/* Copyright 2013 10gen Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <map>
#include <sstream>

#include "mongo/bson/util/builder.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/options_parser/constraints.h"
#include "mongo/util/options_parser/environment.h"
#include "mongo/util/options_parser/option_description.h"
#include "mongo/util/options_parser/option_section.h"
#include "mongo/util/options_parser/options_parser.h"

namespace {

    using mongo::ErrorCodes;
    using mongo::Status;

    namespace moe = mongo::optionenvironment;

#define TEST_CONFIG_PATH(x) "src/mongo/util/options_parser/test_config_files/" x

    class OptionsParserTester : public moe::OptionsParser {
    public:
        Status readConfigFile(const std::string& filename, std::string* config) {
            if (filename != _filename) {
                ::mongo::StringBuilder sb;
                sb << "Parser using filename: " << filename <<
                      " which does not match expected filename: " << _filename;
                return Status(ErrorCodes::InternalError, sb.str());
            }
            *config = _config;
            return Status::OK();
        }
        void setConfig(const std::string& filename, const std::string& config) {
            _filename = filename;
            _config = config;
        }
    private:
        std::string _filename;
        std::string _config;
    };

    TEST(Registration, EmptySingleName) {
        moe::OptionSection testOpts;
        try {
            testOpts.addOptionChaining("dup", "", moe::Switch, "dup");
            testOpts.addOptionChaining("new", "", moe::Switch, "dup");
        }
        catch (::mongo::DBException &e) {
            ::mongo::StringBuilder sb;
            sb << "Was not able to register two options with empty single name: " << e.what();
            FAIL(sb.str());
        }

        // This should fail now, because we didn't specify that these options were not valid in the
        // INI config or on the command line
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;
        moe::OptionsParser parser;
        moe::Environment environment;
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        moe::OptionSection testOptsValid;
        try {
            testOptsValid.addOptionChaining("dup", "", moe::Switch, "dup")
                                           .setSources(moe::SourceYAMLConfig);
            testOptsValid.addOptionChaining("new", "", moe::Switch, "dup")
                                           .setSources(moe::SourceYAMLConfig);
        }
        catch (::mongo::DBException &e) {
            ::mongo::StringBuilder sb;
            sb << "Was not able to register two options with empty single name" << e.what();
            FAIL(sb.str());
        }

        // This should pass now, because we specified that these options were not valid in the INI
        // config or on the command line
        ASSERT_OK(parser.run(testOptsValid, argv, env_map, &environment));
    }

    TEST(Registration, DuplicateSingleName) {
        moe::OptionSection testOpts;
        try {
            testOpts.addOptionChaining("dup", "dup", moe::Switch, "dup");
            testOpts.addOptionChaining("new", "dup", moe::Switch, "dup");
            FAIL("Was able to register duplicate single name");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, DuplicateDottedName) {
        moe::OptionSection testOpts;
        try {
            testOpts.addOptionChaining("dup", "dup", moe::Switch, "dup");
            testOpts.addOptionChaining("dup", "new", moe::Switch, "dup");
            FAIL("Was able to register duplicate single name");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, DuplicatePositional) {
        moe::OptionSection testOpts;
        try {
            testOpts.addOptionChaining("positional", "positional", moe::Int, "Positional")
                                      .positional(1, 1);
            testOpts.addOptionChaining("positional", "positional", moe::Int, "Positional")
                                      .positional(1, 1);
            FAIL("Was able to register duplicate positional option");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, BadRangesPositional) {
        moe::OptionSection testOpts;
        try {
            testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                      .positional(-1, 1);
            FAIL("Was able to register positional with negative start for range");
        }
        catch (::mongo::DBException&) {
        }
        try {
            testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                      .positional(2, 1);
            FAIL("Was able to register positional with start of range larger than end");
        }
        catch (::mongo::DBException&) {
        }
        try {
            testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                      .positional(1, -2);
            FAIL("Was able to register positional with bad end of range");
        }
        catch (::mongo::DBException&) {
        }
        try {
            testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                      .positional(0, 1);
            FAIL("Was able to register positional with bad start of range");
        }
        catch (::mongo::DBException&) {
        }
        try {
            testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                      .positional(1, 2);
            FAIL("Was able to register multi valued positional with non StringVector type");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, DefaultValueWrongType) {
        moe::OptionSection testOpts;
        try {
            testOpts.addOptionChaining("port", "port", moe::Int, "Port")
                                      .setDefault(moe::Value("String"));
            FAIL("Was able to register default value with wrong type");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, ImplicitValueWrongType) {
        moe::OptionSection testOpts;
        try {
            testOpts.addOptionChaining("port", "port", moe::Int, "Port")
                                      .setImplicit(moe::Value("String"));
            FAIL("Was able to register implicit value with wrong type");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, ComposableNotVectorOrMap) {
        moe::OptionSection testOpts;
        try {
            testOpts.addOptionChaining("setParameter", "setParameter", moe::String,
                                       "Multiple Values").composing();
            FAIL("Was able to register composable option with wrong type");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, ComposableWithImplicit) {
        moe::OptionSection testOpts;
        try {
            std::vector<std::string> implicitVal;
            implicitVal.push_back("implicit");
            testOpts.addOptionChaining("setParameter", "setParameter", moe::StringVector,
                                       "Multiple Values")
                                      .setImplicit(moe::Value(implicitVal))
                                      .composing();
            FAIL("Was able to register composable option with implicit value");
        }
        catch (::mongo::DBException&) {
        }

        try {
            std::vector<std::string> implicitVal;
            implicitVal.push_back("implicit");
            testOpts.addOptionChaining("setParameter", "setParameter", moe::StringVector,
                                       "Multiple Values")
                                      .composing()
                                      .setImplicit(moe::Value(implicitVal));
            FAIL("Was able to set implicit value on composable option");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, ComposableWithDefault) {
        moe::OptionSection testOpts;
        try {
            std::vector<std::string> defaultVal;
            defaultVal.push_back("default");
            testOpts.addOptionChaining("setParameter", "setParameter", moe::StringVector,
                                       "Multiple Values")
                                      .setDefault(moe::Value(defaultVal))
                                      .composing();
            FAIL("Was able to register composable option with default value");
        }
        catch (::mongo::DBException&) {
        }

        try {
            std::vector<std::string> defaultVal;
            defaultVal.push_back("default");
            testOpts.addOptionChaining("setParameter", "setParameter", moe::StringVector,
                                       "Multiple Values")
                                      .composing()
                                      .setDefault(moe::Value(defaultVal));
            FAIL("Was able to set default value on composable option");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, NumericRangeConstraint) {
        moe::OptionSection testOpts;
        try {
            std::vector<std::string> defaultVal;
            defaultVal.push_back("default");
            testOpts.addOptionChaining("port", "port", moe::String, "Port")
                                      .validRange(1000, 65535);
            FAIL("Was able to register non numeric option with constraint on range");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Registration, StringFormatConstraint) {
        moe::OptionSection testOpts;
        try {
            testOpts.addOptionChaining("port", "port", moe::Int, "Port")
                                      .format("[0-9]*", "[0-9]*");
            FAIL("Was able to register non string option with constraint on format");
        }
        catch (::mongo::DBException&) {
        }
    }

    TEST(Parsing, Good) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("5");
        argv.push_back("--help");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("help"), &value));
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(Parsing, SubSection) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        moe::OptionSection subSection("Section Name");

        subSection.addOptionChaining("port", "port", moe::Int, "Port");
        testOpts.addSection(subSection);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("5");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(Parsing, StringVector) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("multival", "multival", moe::StringVector, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--multival");
        argv.push_back("val1");
        argv.push_back("--multival");
        argv.push_back("val2");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::vector<std::string> multival;
        std::vector<std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(*multivalit, "val1");
        multivalit++;
        ASSERT_EQUALS(*multivalit, "val2");
    }

    TEST(Parsing, StringMap) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("multival", "multival", moe::StringMap, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--multival");
        argv.push_back("key1=value1");
        argv.push_back("--multival");
        argv.push_back("key2=value2");
        argv.push_back("--multival");
        argv.push_back("key3=");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::map<std::string, std::string> multival;
        std::map<std::string, std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(multivalit->first, "key1");
        ASSERT_EQUALS(multivalit->second, "value1");
        multivalit++;
        ASSERT_EQUALS(multivalit->first, "key2");
        ASSERT_EQUALS(multivalit->second, "value2");
        multivalit++;
        ASSERT_EQUALS(multivalit->first, "key3");
        ASSERT_EQUALS(multivalit->second, "");
    }

    TEST(Parsing, StringMapDuplicateKey) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("multival", "multival", moe::StringMap, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--multival");
        argv.push_back("key1=value1");
        argv.push_back("--multival");
        argv.push_back("key1=value2");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(Parsing, Positional) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::String, "Positional")
                                  .positional(1, 1);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::string positional;
        ASSERT_OK(value.get(&positional));
        ASSERT_EQUALS(positional, "positional");
    }

    TEST(Parsing, PositionalTooMany) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::String, "Positional")
                                  .positional(1, 1);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional");
        argv.push_back("extrapositional");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(Parsing, PositionalAndFlag) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::String, "Positional")
                                  .positional(1, 1);
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional");
        argv.push_back("--port");
        argv.push_back("5");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::string positional;
        ASSERT_OK(value.get(&positional));
        ASSERT_EQUALS(positional, "positional");
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(Parsing, PositionalMultiple) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::StringVector, "Positional")
                                  .positional(1, 2);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional1");
        argv.push_back("positional2");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::vector<std::string> positional;
        ASSERT_OK(value.get(&positional));
        std::vector<std::string>::iterator positionalit = positional.begin();
        ASSERT_EQUALS(*positionalit, "positional1");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional2");
    }

    TEST(Parsing, PositionalMultipleExtra) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::StringVector, "Positional")
                                  .positional(1, 2);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional1");
        argv.push_back("positional2");
        argv.push_back("positional2");
        std::map<std::string, std::string> env_map;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(Parsing, PositionalMultipleUnlimited) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::StringVector, "Positional")
                                  .positional(1, -1);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional1");
        argv.push_back("positional2");
        argv.push_back("positional3");
        argv.push_back("positional4");
        argv.push_back("positional5");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::vector<std::string> positional;
        ASSERT_OK(value.get(&positional));
        std::vector<std::string>::iterator positionalit = positional.begin();
        ASSERT_EQUALS(*positionalit, "positional1");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional2");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional3");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional4");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional5");
    }

    TEST(Parsing, PositionalMultipleAndFlag) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::StringVector, "Positional")
                                  .positional(1, 2);
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional1");
        argv.push_back("--port");
        argv.push_back("5");
        argv.push_back("positional2");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::vector<std::string> positional;
        ASSERT_OK(value.get(&positional));
        std::vector<std::string>::iterator positionalit = positional.begin();
        ASSERT_EQUALS(*positionalit, "positional1");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional2");
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(Parsing, NeedArg) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--port");
        std::map<std::string, std::string> env_map;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(Parsing, BadArg) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("string");
        std::map<std::string, std::string> env_map;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(Parsing, ExtraArg) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--help");
        argv.push_back("string");
        std::map<std::string, std::string> env_map;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(Parsing, DefaultValue) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port").setDefault(moe::Value(5));

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(Parsing, DefaultValueOverride) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port").setDefault(moe::Value(5));

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("6");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 6);
    }

    TEST(Parsing, DefaultValuesNotInBSON) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("val1", "val1", moe::Int, "Val1").setDefault(moe::Value(5));
        testOpts.addOptionChaining("val2", "val2", moe::Int, "Val2").setDefault(moe::Value(5));

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--val1");
        argv.push_back("6");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));

        mongo::BSONObj expected = BSON("val1" << 6);
        ASSERT_EQUALS(expected, environment.toBSON());
    }

    TEST(Parsing, ImplicitValue) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port")
                                  .setDefault(moe::Value(6)).setImplicit(moe::Value(7));

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--port");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 7);
    }

    TEST(Parsing, ImplicitValueDefault) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port")
                                  .setDefault(moe::Value(6)).setImplicit(moe::Value(7));

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 6);
    }

    TEST(Parsing, ImplicitValueOverride) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port")
                                  .setDefault(moe::Value(6)).setImplicit(moe::Value(7));

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("5");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(Parsing, ShortName) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help,h", moe::Switch, "Display help");
        testOpts.addOptionChaining("port", "port,p", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("-p");
        argv.push_back("5");
        argv.push_back("-h");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("help"), &value));
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(Style, NoSticky) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("opt", "opt,o", moe::Switch, "first opt");
        testOpts.addOptionChaining("arg", "arg,a", moe::Switch, "first arg");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("-oa");
        std::map<std::string, std::string> env_map;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(Style, NoGuessing) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--hel");
        std::map<std::string, std::string> env_map;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(Style, LongDisguises) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("help", "help", moe::Switch, "Display help");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("-help");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("help"), &value));
        bool help;
        ASSERT_OK(value.get(&help));
        ASSERT_EQUALS(help, true);
    }

    TEST(Style, Verbosity) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("v", "verbose,v", moe::Switch,
                        "be more verbose (include multiple times for more verbosity e.g. -vvvvv)");

        /* support for -vv -vvvv etc. */
        for (std::string s = "vv"; s.length() <= 12; s.append("v")) {
            testOpts.addOptionChaining(s.c_str(), s.c_str(), moe::Switch,
                                       "higher verbosity levels (hidden)").hidden();
        }

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("-vvvvvv");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));

        moe::Value value;
        for (std::string s = "vv"; s.length() <= 12; s.append("v")) {
            if (s.length() == 6) {
                ASSERT_OK(environment.get(moe::Key(s), &value));
                bool verbose;
                ASSERT_OK(value.get(&verbose));
                ASSERT_EQUALS(verbose, true);
            }
            else {
                ASSERT_NOT_OK(environment.get(moe::Key(s), &value));
            }
        }
    }

    TEST(INIConfigFile, Basic) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("default.conf");
        std::map<std::string, std::string> env_map;

        parser.setConfig("default.conf", "port=5");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(INIConfigFile, Empty) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("default.conf");
        std::map<std::string, std::string> env_map;

        parser.setConfig("default.conf", "");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(INIConfigFile, Override) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("default.conf");
        argv.push_back("--port");
        argv.push_back("6");
        std::map<std::string, std::string> env_map;

        parser.setConfig("default.conf", "port=5");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 6);
    }

    TEST(INIConfigFile, Comments) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");
        testOpts.addOptionChaining("str", "str", moe::String, "String");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("default.conf");
        std::map<std::string, std::string> env_map;

        parser.setConfig("default.conf", "# port=5\nstr=NotCommented");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_NOT_OK(environment.get(moe::Key("port"), &value));
        ASSERT_OK(environment.get(moe::Key("str"), &value));
        std::string str;
        ASSERT_OK(value.get(&str));
        ASSERT_EQUALS(str, "NotCommented");
    }

    TEST(INIConfigFile, Monkeys) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("this", "this", moe::Switch, "This");
        testOpts.addOptionChaining("that", "that", moe::Switch, "That");
        testOpts.addOptionChaining("another", "another", moe::String, "Another");
        testOpts.addOptionChaining("other", "other", moe::String, "Other");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("default.conf");
        std::map<std::string, std::string> env_map;

        parser.setConfig("default.conf",
                         "\t this = false \n#that = true\n #another = whocares"
                         "\n\n other = monkeys ");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_NOT_OK(environment.get(moe::Key("this"), &value));
        ASSERT_NOT_OK(environment.get(moe::Key("that"), &value));
        ASSERT_NOT_OK(environment.get(moe::Key("another"), &value));
        ASSERT_OK(environment.get(moe::Key("other"), &value));
        std::string str;
        ASSERT_OK(value.get(&str));
        ASSERT_EQUALS(str, "monkeys");
    }

    TEST(INIConfigFile, DefaultValueOverride) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port").setDefault(moe::Value(5));

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("default.conf");
        std::map<std::string, std::string> env_map;

        parser.setConfig("default.conf", "port=6");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 6);
    }

    TEST(INIConfigFile, StringVector) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringVector, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.ini", "multival = val1\nmultival = val2");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::vector<std::string> multival;
        std::vector<std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(*multivalit, "val1");
        multivalit++;
        ASSERT_EQUALS(*multivalit, "val2");
    }

    TEST(INIConfigFile, StringMap) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringMap, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.ini",
                         "multival = key1=value1\n"
                         "multival = key2=value2\n"
                         "multival = key3=");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::map<std::string, std::string> multival;
        std::map<std::string, std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(multivalit->first, "key1");
        ASSERT_EQUALS(multivalit->second, "value1");
        multivalit++;
        ASSERT_EQUALS(multivalit->first, "key2");
        ASSERT_EQUALS(multivalit->second, "value2");
        multivalit++;
        ASSERT_EQUALS(multivalit->first, "key3");
        ASSERT_EQUALS(multivalit->second, "");
    }

    TEST(INIConfigFile, StringMapDuplicateKey) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringMap, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.ini",
                         "multival = key1=value1\n"
                         "multival = key1=value2");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(JSONConfigFile, Basic) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "{ port : 5 }");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(JSONConfigFile, Empty) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(JSONConfigFile, EmptyObject) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "{}");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(JSONConfigFile, Override) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        argv.push_back("--port");
        argv.push_back("6");
        std::map<std::string, std::string> env_map;


        parser.setConfig("config.json", "{ port : 5 }");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 6);
    }

    TEST(JSONConfigFile, UnregisteredOption) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "{ port : 5 }");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(JSONConfigFile, DuplicateOption) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "{ port : 5, port : 5 }");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(JSONConfigFile, TypeChecking) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("stringVectorVal", "stringVectorVal", moe::StringVector,
                                   "StringVectorVal");
        testOpts.addOptionChaining("boolVal", "boolVal", moe::Bool, "BoolVal");
        testOpts.addOptionChaining("doubleVal", "doubleVal", moe::Double, "DoubleVal");
        testOpts.addOptionChaining("intVal", "intVal", moe::Int, "IntVal");
        testOpts.addOptionChaining("longVal", "longVal", moe::Long, "LongVal");
        testOpts.addOptionChaining("stringVal", "stringVal", moe::String, "StringVal");
        testOpts.addOptionChaining("unsignedLongLongVal", "unsignedLongLongVal",
                                   moe::UnsignedLongLong, "UnsignedLongLongVal");
        testOpts.addOptionChaining("unsignedVal", "unsignedVal", moe::Unsigned, "UnsignedVal");
        testOpts.addOptionChaining("switchVal", "switchVal", moe::Switch, "SwitchVal");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        // Test StringVector type
        std::vector<std::string> stringVectorVal;

        parser.setConfig("config.json", "{ stringVectorVal : \"scalar\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ stringVectorVal : \"true\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ stringVectorVal : \"5\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ stringVectorVal : [ [ \"string\" ], true, 1, 1.0 ] }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a string vector type and treat it as an array of strings, even if the
        // elements are not surrounded by quotes
        environment = moe::Environment();
        parser.setConfig("config.json", "{ stringVectorVal : [ \"string\", bare, true, 1, 1.0 ] }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVectorVal"), &value));
        std::vector<std::string>::iterator stringVectorValIt;
        ASSERT_OK(value.get(&stringVectorVal));
        stringVectorValIt = stringVectorVal.begin();
        ASSERT_EQUALS(*stringVectorValIt, "string");
        stringVectorValIt++;
        ASSERT_EQUALS(*stringVectorValIt, "bare");
        stringVectorValIt++;
        ASSERT_EQUALS(*stringVectorValIt, "true");
        stringVectorValIt++;
        ASSERT_EQUALS(*stringVectorValIt, "1");
        stringVectorValIt++;
        ASSERT_EQUALS(*stringVectorValIt, "1.0");

        // Test Bool type
        bool boolVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "{ boolVal : \"lies\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ boolVal : truth }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ boolVal : 1 }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a bool type and try to convert it to a bool, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "{ boolVal : \"true\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("boolVal"), &value));
        ASSERT_OK(value.get(&boolVal));
        ASSERT_EQUALS(boolVal, true);
        environment = moe::Environment();
        parser.setConfig("config.json", "{ boolVal : false }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("boolVal"), &value));
        ASSERT_OK(value.get(&boolVal));
        ASSERT_EQUALS(boolVal, false);

        // Test Double type
        double doubleVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "{ doubleVal : \"double the monkeys\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ doubleVal : true }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a double type and try to convert it to a double, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "{ doubleVal : 1.5 }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("doubleVal"), &value));
        ASSERT_OK(value.get(&doubleVal));
        ASSERT_EQUALS(doubleVal, 1.5);
        environment = moe::Environment();
        parser.setConfig("config.json", "{ doubleVal : -1.5 }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("doubleVal"), &value));
        ASSERT_OK(value.get(&doubleVal));
        ASSERT_EQUALS(doubleVal, -1.5);
        environment = moe::Environment();
        parser.setConfig("config.json", "{ doubleVal : \"3.14\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("doubleVal"), &value));
        ASSERT_OK(value.get(&doubleVal));
        ASSERT_EQUALS(doubleVal, 3.14);
        environment = moe::Environment();
        parser.setConfig("config.json", "{ doubleVal : \"-3.14\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("doubleVal"), &value));
        ASSERT_OK(value.get(&doubleVal));
        ASSERT_EQUALS(doubleVal, -3.14);

        // Test Int type
        int intVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "{ intVal : \"hungry hippos\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ intVal : 1.5 }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ intVal : 18446744073709551617 }"); // 2^64 + 1
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ intVal : true }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as an int type and try to convert it to a int, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "{ intVal : \"5\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("intVal"), &value));
        ASSERT_OK(value.get(&intVal));
        ASSERT_EQUALS(intVal, 5);

        environment = moe::Environment();
        parser.setConfig("config.json", "{ intVal : \"-5\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("intVal"), &value));
        ASSERT_OK(value.get(&intVal));
        ASSERT_EQUALS(intVal, -5);

        // Test Long type
        long longVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "{ longVal : \"in an eating race\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ longVal : 1.5 }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ longVal : 18446744073709551617 }"); // 2^64 + 1
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ longVal : true }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a long type and try to convert it to a long, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "{ longVal : \"5\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("longVal"), &value));
        ASSERT_OK(value.get(&longVal));
        ASSERT_EQUALS(longVal, 5);

        environment = moe::Environment();
        parser.setConfig("config.json", "{ longVal : \"-5\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("longVal"), &value));
        ASSERT_OK(value.get(&longVal));
        ASSERT_EQUALS(longVal, -5);

        // Test String type
        std::string stringVal;

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a string type and treat it as a string, even if the element is not
        // surrounded by quotes
        environment = moe::Environment();
        parser.setConfig("config.json", "{ stringVal : }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVal"), &value));
        ASSERT_OK(value.get(&stringVal));
        ASSERT_EQUALS(stringVal, "");

        environment = moe::Environment();
        parser.setConfig("config.json", "{ stringVal : \"1000\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVal"), &value));
        ASSERT_OK(value.get(&stringVal));
        ASSERT_EQUALS(stringVal, "1000");

        environment = moe::Environment();
        parser.setConfig("config.json", "{ stringVal : wat man }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVal"), &value));
        ASSERT_OK(value.get(&stringVal));
        ASSERT_EQUALS(stringVal, "wat man");

        environment = moe::Environment();
        parser.setConfig("config.json", "{ stringVal : true 1 string 1.0 }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVal"), &value));
        ASSERT_OK(value.get(&stringVal));
        ASSERT_EQUALS(stringVal, "true 1 string 1.0");

        // Test UnsignedLongLong type
        unsigned long long unsignedLongLongVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedLongLongVal : \"unsigned hungry hippos\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedLongLongVal : 1.5 }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json",
                         "{ unsignedLongLongVal : 18446744073709551617 }"); // 2^64 + 1
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedLongLongVal : true }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedLongLongVal : \"-5\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as an unsigned long long type and try to convert it to an unsigned long long,
        // even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedLongLongVal : \"5\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("unsignedLongLongVal"), &value));
        ASSERT_OK(value.get(&unsignedLongLongVal));
        ASSERT_EQUALS(unsignedLongLongVal, 5ULL);

        // Test Unsigned type
        unsigned unsignedVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedVal : \"unsigned hungry hippos\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedVal : 1.5 }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedVal : 18446744073709551617 }"); // 2^64 + 1
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedVal : true }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedVal : \"-5\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as an unsigned type and try to convert it to an unsigned, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "{ unsignedVal : \"5\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("unsignedVal"), &value));
        ASSERT_OK(value.get(&unsignedVal));
        ASSERT_EQUALS(unsignedVal, 5U);

        // Test Switch type
        bool switchVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "{ switchVal : \"lies\" }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ switchVal : truth }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "{ switchVal : 1 }");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a switch type and try to convert it to a bool, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "{ switchVal : \"true\" }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("switchVal"), &value));
        ASSERT_OK(value.get(&switchVal));
        ASSERT_EQUALS(switchVal, true);
        environment = moe::Environment();
        parser.setConfig("config.json", "{ switchVal : false }");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));

        // A switch not being present results in it not getting added to the map for legacy reasons.
        // The downside of this is that switches can't override a default value of "true" in a
        // config file.  We should change this once we elminate the places in the code that depend
        // on this behavior.
        ASSERT_NOT_OK(environment.get(moe::Key("switchVal"), &value));
    }

    TEST(JSONConfigFile, Nested) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("nested.port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "{ nested : { port : 5 } }");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("nested.port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(JSONConfigFile, Dotted) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("dotted.port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "{ \"dotted.port\" : 5 }");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("dotted.port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(JSONConfigFile, DottedAndNested) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("dottednested.var1", "var1", moe::Int, "Var1");
        testOpts.addOptionChaining("dottednested.var2", "var2", moe::Int, "Var2");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json",
                         "{ \"dottednested.var1\" : 5, dottednested : { var2 : 6 } }");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("dottednested.var1"), &value));
        int var1;
        ASSERT_OK(value.get(&var1));
        ASSERT_EQUALS(var1, 5);
        ASSERT_OK(environment.get(moe::Key("dottednested.var2"), &value));
        int var2;
        ASSERT_OK(value.get(&var2));
        ASSERT_EQUALS(var2, 6);
    }

    TEST(JSONConfigFile, StringVector) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringVector, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "{ multival : [ \"val1\", \"val2\" ] }");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::vector<std::string> multival;
        std::vector<std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(*multivalit, "val1");
        multivalit++;
        ASSERT_EQUALS(*multivalit, "val2");
    }

    TEST(JSONConfigFile, StringMap) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringMap, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json",
                         "{ multival : { key1 : \"value1\", key2 : \"value2\", key3 : \"\" } }");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::map<std::string, std::string> multival;
        std::map<std::string, std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(multivalit->first, "key1");
        ASSERT_EQUALS(multivalit->second, "value1");
        multivalit++;
        ASSERT_EQUALS(multivalit->first, "key2");
        ASSERT_EQUALS(multivalit->second, "value2");
        multivalit++;
        ASSERT_EQUALS(multivalit->first, "key3");
        ASSERT_EQUALS(multivalit->second, "");
    }

    TEST(JSONConfigFile, StringMapDuplicateKey) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringMap, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json",
                         "{ multival : { key1 : \"value1\", key1 : \"value2\" } }");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(JSONConfigFile, StringVectorNonString) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringVector, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        // NOTE: The yaml config file just reads things as strings, and it's up to us to decide what
        // the type should be later.  This means that we can't tell the difference between when a
        // user provides a non string value or a string value in some cases.
        parser.setConfig("config.json", "{ multival : [ 1, true ] }");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::vector<std::string> multival;
        std::vector<std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(*multivalit, "1");
        multivalit++;
        ASSERT_EQUALS(*multivalit, "true");
    }

    TEST(JSONConfigFile, DefaultValueOverride) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port").setDefault(moe::Value(5));

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "{ port : 6 }");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 6);
    }

    TEST(Parsing, BadConfigFileOption) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;

        // TODO: Should the error be in here?
        testOpts.addOptionChaining("config", "config", moe::Int, "Config file to parse");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("1");
        std::map<std::string, std::string> env_map;

        parser.setConfig("default.conf", "");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(ConfigFromFilesystem, JSONGood) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back(TEST_CONFIG_PATH("good.json"));
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(ConfigFromFilesystem, INIGood) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back(TEST_CONFIG_PATH("good.conf"));
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(ConfigFromFilesystem, Empty) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back(TEST_CONFIG_PATH("empty.json"));
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(JSONConfigFile, ComposingStringVector) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("setParameter", "setParameter", moe::StringVector,
                                                  "Multiple Values").composing();

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        argv.push_back("--setParameter");
        argv.push_back("val1");
        argv.push_back("--setParameter");
        argv.push_back("val2");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "{ setParameter : [ \"val3\", \"val4\" ] }");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("setParameter"), &value));
        std::vector<std::string> setParameter;
        std::vector<std::string>::iterator setParameterit;
        ASSERT_OK(value.get(&setParameter));
        ASSERT_EQUALS(setParameter.size(), static_cast<size_t>(4));
        setParameterit = setParameter.begin();
        ASSERT_EQUALS(*setParameterit, "val3");
        setParameterit++;
        ASSERT_EQUALS(*setParameterit, "val4");
        setParameterit++;
        ASSERT_EQUALS(*setParameterit, "val1");
        setParameterit++;
        ASSERT_EQUALS(*setParameterit, "val2");
    }

    TEST(JSONConfigFile, ComposingStringMap) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("setParameter", "setParameter", moe::StringMap,
                                                  "Multiple Values").composing();

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        argv.push_back("--setParameter");
        argv.push_back("key1=value1");
        argv.push_back("--setParameter");
        argv.push_back("key2=value2");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json",
                         "{ setParameter : { key2 : \"overridden_value2\", key3 : \"value3\" } }");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("setParameter"), &value));
        std::map<std::string, std::string> setParameter;
        std::map<std::string, std::string>::iterator setParameterIt;
        ASSERT_OK(value.get(&setParameter));
        ASSERT_EQUALS(setParameter.size(), static_cast<size_t>(3));
        setParameterIt = setParameter.begin();
        ASSERT_EQUALS(setParameterIt->first, "key1");
        ASSERT_EQUALS(setParameterIt->second, "value1");
        setParameterIt++;
        ASSERT_EQUALS(setParameterIt->first, "key2");
        ASSERT_EQUALS(setParameterIt->second, "value2");
        setParameterIt++;
        ASSERT_EQUALS(setParameterIt->first, "key3");
        ASSERT_EQUALS(setParameterIt->second, "value3");
    }

    TEST(INIConfigFile, ComposingStringVector) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("setParameter", "setParameter", moe::StringVector,
                                   "Multiple Values").composing();

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("default.conf");
        argv.push_back("--setParameter");
        argv.push_back("val1");
        argv.push_back("--setParameter");
        argv.push_back("val2");
        std::map<std::string, std::string> env_map;

        parser.setConfig("default.conf", "setParameter=val3\nsetParameter=val4");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("setParameter"), &value));
        std::vector<std::string> setParameter;
        std::vector<std::string>::iterator setParameterit;
        ASSERT_OK(value.get(&setParameter));
        ASSERT_EQUALS(setParameter.size(), static_cast<size_t>(4));
        setParameterit = setParameter.begin();
        ASSERT_EQUALS(*setParameterit, "val3");
        setParameterit++;
        ASSERT_EQUALS(*setParameterit, "val4");
        setParameterit++;
        ASSERT_EQUALS(*setParameterit, "val1");
        setParameterit++;
        ASSERT_EQUALS(*setParameterit, "val2");
    }

    TEST(INIConfigFile, ComposingStringMap) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("setParameter", "setParameter", moe::StringMap,
                                                  "Multiple Values").composing();

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");
        argv.push_back("--setParameter");
        argv.push_back("key1=value1");
        argv.push_back("--setParameter");
        argv.push_back("key2=value2");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.ini",
                         "setParameter=key2=overridden_value2\nsetParameter=key3=value3");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("setParameter"), &value));
        std::map<std::string, std::string> setParameter;
        std::map<std::string, std::string>::iterator setParameterIt;
        ASSERT_OK(value.get(&setParameter));
        ASSERT_EQUALS(setParameter.size(), static_cast<size_t>(3));
        setParameterIt = setParameter.begin();
        ASSERT_EQUALS(setParameterIt->first, "key1");
        ASSERT_EQUALS(setParameterIt->second, "value1");
        setParameterIt++;
        ASSERT_EQUALS(setParameterIt->first, "key2");
        ASSERT_EQUALS(setParameterIt->second, "value2");
        setParameterIt++;
        ASSERT_EQUALS(setParameterIt->first, "key3");
        ASSERT_EQUALS(setParameterIt->second, "value3");
    }

    TEST(YAMLConfigFile, ComposingStringVector) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("setParameter", "setParameter", moe::StringVector,
                                                  "Multiple Values").composing();

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        argv.push_back("--setParameter");
        argv.push_back("val1");
        argv.push_back("--setParameter");
        argv.push_back("val2");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "setParameter : \n - \"val3\"\n - \"val4\"");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("setParameter"), &value));
        std::vector<std::string> setParameter;
        std::vector<std::string>::iterator setParameterit;
        ASSERT_OK(value.get(&setParameter));
        ASSERT_EQUALS(setParameter.size(), static_cast<size_t>(4));
        setParameterit = setParameter.begin();
        ASSERT_EQUALS(*setParameterit, "val3");
        setParameterit++;
        ASSERT_EQUALS(*setParameterit, "val4");
        setParameterit++;
        ASSERT_EQUALS(*setParameterit, "val1");
        setParameterit++;
        ASSERT_EQUALS(*setParameterit, "val2");
    }

    TEST(YAMLConfigFile, ComposingStringMap) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("setParameter", "setParameter", moe::StringMap,
                                                  "Multiple Values").composing();

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        argv.push_back("--setParameter");
        argv.push_back("key1=value1");
        argv.push_back("--setParameter");
        argv.push_back("key2=value2");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml",
                         // NOTE: Indentation is used to determine whether an option is in a sub
                         // category, so the spaces after the newlines before key2 and key3 is
                         // significant
                         "setParameter:\n key2: \"overridden_value2\"\n key3: \"value3\"");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("setParameter"), &value));
        std::map<std::string, std::string> setParameter;
        std::map<std::string, std::string>::iterator setParameterIt;
        ASSERT_OK(value.get(&setParameter));
        ASSERT_EQUALS(setParameter.size(), static_cast<size_t>(3));
        setParameterIt = setParameter.begin();
        ASSERT_EQUALS(setParameterIt->first, "key1");
        ASSERT_EQUALS(setParameterIt->second, "value1");
        setParameterIt++;
        ASSERT_EQUALS(setParameterIt->first, "key2");
        ASSERT_EQUALS(setParameterIt->second, "value2");
        setParameterIt++;
        ASSERT_EQUALS(setParameterIt->first, "key3");
        ASSERT_EQUALS(setParameterIt->second, "value3");
    }

    TEST(LegacyInterface, Good) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("5");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_TRUE(environment.count("port"));
        int port;
        try {
            port = environment["port"].as<int>();
        }
        catch ( std::exception &e ) {
            FAIL(e.what());
        }
        ASSERT_EQUALS(port, 5);
    }

    TEST(LegacyInterface, NotSpecified) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_FALSE(environment.count("port"));
    }

    TEST(LegacyInterface, BadType) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("5");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_TRUE(environment.count("port"));
        std::string port;
        try {
            port = environment["port"].as<std::string>();
            FAIL("Expected exception trying to convert int to type string");
        }
        catch ( std::exception &e ) {
        }
    }

    TEST(ChainingInterface, GoodReference) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        // This test is to make sure our reference stays good even after we add more options.  This
        // would not be true if we were using a std::vector in our option section which may need to
        // be moved and resized.
        moe::OptionDescription& optionRef = testOpts.addOptionChaining("ref", "ref", moe::String,
                                                                       "Save this Reference");
        int i;
        for (i = 0; i < 100; i++) {
            ::mongo::StringBuilder sb;
            sb << "filler" << i;
            testOpts.addOptionChaining(sb.str(), sb.str(), moe::String, "Filler Option");
        }
        moe::Value defaultVal(std::string("default"));
        moe::Value implicitVal(std::string("implicit"));
        optionRef.hidden().setDefault(defaultVal);
        optionRef.setImplicit(implicitVal);

        std::vector<moe::OptionDescription> options_vector;
        ASSERT_OK(testOpts.getAllOptions(&options_vector));

        bool foundRef = false;
        for(std::vector<moe::OptionDescription>::const_iterator iterator = options_vector.begin();
            iterator != options_vector.end(); iterator++) {

            if (iterator->_dottedName == "ref") {
                ASSERT_EQUALS(iterator->_singleName, "ref");
                ASSERT_EQUALS(iterator->_type, moe::String);
                ASSERT_EQUALS(iterator->_description, "Save this Reference");
                ASSERT_EQUALS(iterator->_isVisible, false);
                ASSERT_TRUE(iterator->_default.equal(defaultVal));
                ASSERT_TRUE(iterator->_implicit.equal(implicitVal));
                ASSERT_EQUALS(iterator->_isComposing, false);
                foundRef = true;
            }
        }
        if (!foundRef) {
            FAIL("Could not find \"ref\" options that we registered");
        }
    }

    TEST(ChainingInterface, Basic) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("basic",
                                   "basic",
                                   moe::String,
                                   "Default Option");

        std::vector<moe::OptionDescription> options_vector;
        ASSERT_OK(testOpts.getAllOptions(&options_vector));

        for(std::vector<moe::OptionDescription>::const_iterator iterator = options_vector.begin();
            iterator != options_vector.end(); iterator++) {

            if (iterator->_dottedName == "basic") {
                ASSERT_EQUALS(iterator->_singleName, "basic");
                ASSERT_EQUALS(iterator->_type, moe::String);
                ASSERT_EQUALS(iterator->_description, "Default Option");
                ASSERT_EQUALS(iterator->_isVisible, true);
                ASSERT_TRUE(iterator->_default.isEmpty());
                ASSERT_TRUE(iterator->_implicit.isEmpty());
                ASSERT_EQUALS(iterator->_isComposing, false);
            }
            else {
                ::mongo::StringBuilder sb;
                sb << "Found extra option: " << iterator->_dottedName <<
                      " which we did not register";
                FAIL(sb.str());
            }
        }
    }

    TEST(ChainingInterface, Hidden) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("hidden",
                                   "hidden",
                                   moe::String,
                                   "Hidden Option").hidden();

        std::vector<moe::OptionDescription> options_vector;
        ASSERT_OK(testOpts.getAllOptions(&options_vector));

        for(std::vector<moe::OptionDescription>::const_iterator iterator = options_vector.begin();
            iterator != options_vector.end(); iterator++) {

            if (iterator->_dottedName == "hidden") {
                ASSERT_EQUALS(iterator->_singleName, "hidden");
                ASSERT_EQUALS(iterator->_type, moe::String);
                ASSERT_EQUALS(iterator->_description, "Hidden Option");
                ASSERT_EQUALS(iterator->_isVisible, false);
                ASSERT_TRUE(iterator->_default.isEmpty());
                ASSERT_TRUE(iterator->_implicit.isEmpty());
                ASSERT_EQUALS(iterator->_isComposing, false);
            }
            else {
                ::mongo::StringBuilder sb;
                sb << "Found extra option: " << iterator->_dottedName <<
                      " which we did not register";
                FAIL(sb.str());
            }
        }
    }

    TEST(ChainingInterface, DefaultValue) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::Value defaultVal(std::string("default"));

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("default",
                                   "default",
                                   moe::String,
                                   "Option With Default Value").setDefault(defaultVal);

        std::vector<moe::OptionDescription> options_vector;
        ASSERT_OK(testOpts.getAllOptions(&options_vector));

        for(std::vector<moe::OptionDescription>::const_iterator iterator = options_vector.begin();
            iterator != options_vector.end(); iterator++) {

            if (iterator->_dottedName == "default") {
                ASSERT_EQUALS(iterator->_singleName, "default");
                ASSERT_EQUALS(iterator->_type, moe::String);
                ASSERT_EQUALS(iterator->_description, "Option With Default Value");
                ASSERT_EQUALS(iterator->_isVisible, true);
                ASSERT_TRUE(iterator->_default.equal(defaultVal));
                ASSERT_TRUE(iterator->_implicit.isEmpty());
                ASSERT_EQUALS(iterator->_isComposing, false);
            }
            else {
                ::mongo::StringBuilder sb;
                sb << "Found extra option: " << iterator->_dottedName <<
                      " which we did not register";
                FAIL(sb.str());
            }
        }
    }

    TEST(ChainingInterface, ImplicitValue) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::Value implicitVal(std::string("implicit"));

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("implicit",
                                   "implicit",
                                   moe::String,
                                   "Option With Implicit Value").setImplicit(implicitVal);

        std::vector<moe::OptionDescription> options_vector;
        ASSERT_OK(testOpts.getAllOptions(&options_vector));

        for(std::vector<moe::OptionDescription>::const_iterator iterator = options_vector.begin();
            iterator != options_vector.end(); iterator++) {

            if (iterator->_dottedName == "implicit") {
                ASSERT_EQUALS(iterator->_singleName, "implicit");
                ASSERT_EQUALS(iterator->_type, moe::String);
                ASSERT_EQUALS(iterator->_description, "Option With Implicit Value");
                ASSERT_EQUALS(iterator->_isVisible, true);
                ASSERT_TRUE(iterator->_default.isEmpty());
                ASSERT_TRUE(iterator->_implicit.equal(implicitVal));
                ASSERT_EQUALS(iterator->_isComposing, false);
            }
            else {
                ::mongo::StringBuilder sb;
                sb << "Found extra option: " << iterator->_dottedName <<
                      " which we did not register";
                FAIL(sb.str());
            }
        }
    }

    TEST(ChainingInterface, Composing) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("setParameter",
                                   "setParameter",
                                   moe::StringVector,
                                   "Multiple Values").composing();

        std::vector<moe::OptionDescription> options_vector;
        ASSERT_OK(testOpts.getAllOptions(&options_vector));

        for(std::vector<moe::OptionDescription>::const_iterator iterator = options_vector.begin();
            iterator != options_vector.end(); iterator++) {

            if (iterator->_dottedName == "setParameter") {
                ASSERT_EQUALS(iterator->_singleName, "setParameter");
                ASSERT_EQUALS(iterator->_type, moe::StringVector);
                ASSERT_EQUALS(iterator->_description, "Multiple Values");
                ASSERT_EQUALS(iterator->_isVisible, true);
                ASSERT_TRUE(iterator->_default.isEmpty());
                ASSERT_TRUE(iterator->_implicit.isEmpty());
                ASSERT_EQUALS(iterator->_isComposing, true);
            }
            else {
                ::mongo::StringBuilder sb;
                sb << "Found extra option: " << iterator->_dottedName <<
                      " which we did not register";
                FAIL(sb.str());
            }
        }
    }

    TEST(ChainingInterface, Positional) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::String, "Positional")
                                  .positional(1, 1);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::string positional;
        ASSERT_OK(value.get(&positional));
        ASSERT_EQUALS(positional, "positional");
    }

    TEST(ChainingInterface, PositionalTooMany) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::String, "Positional")
                                  .positional(1, 1);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional");
        argv.push_back("extrapositional");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(ChainingInterface, PositionalAndFlag) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::String, "Positional")
                                  .positional(1, 1);
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional");
        argv.push_back("--port");
        argv.push_back("5");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::string positional;
        ASSERT_OK(value.get(&positional));
        ASSERT_EQUALS(positional, "positional");
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(ChainingInterface, PositionalMultiple) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::StringVector, "Positional")
                                  .positional(1, 2);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional1");
        argv.push_back("positional2");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::vector<std::string> positional;
        ASSERT_OK(value.get(&positional));
        std::vector<std::string>::iterator positionalit = positional.begin();
        ASSERT_EQUALS(*positionalit, "positional1");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional2");
    }

    TEST(ChainingInterface, PositionalMultipleExtra) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::StringVector, "Positional")
                                  .positional(1, 2);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional1");
        argv.push_back("positional2");
        argv.push_back("positional2");
        std::map<std::string, std::string> env_map;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(ChainingInterface, PositionalMultipleUnlimited) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::StringVector, "Positional")
                                  .positional(1, -1);

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional1");
        argv.push_back("positional2");
        argv.push_back("positional3");
        argv.push_back("positional4");
        argv.push_back("positional5");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::vector<std::string> positional;
        ASSERT_OK(value.get(&positional));
        std::vector<std::string>::iterator positionalit = positional.begin();
        ASSERT_EQUALS(*positionalit, "positional1");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional2");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional3");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional4");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional5");
    }

    TEST(ChainingInterface, PositionalMultipleAndFlag) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional", "positional", moe::StringVector, "Positional")
                                  .positional(1, 2);
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional1");
        argv.push_back("--port");
        argv.push_back("5");
        argv.push_back("positional2");
        std::map<std::string, std::string> env_map;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("positional"), &value));
        std::vector<std::string> positional;
        ASSERT_OK(value.get(&positional));
        std::vector<std::string>::iterator positionalit = positional.begin();
        ASSERT_EQUALS(*positionalit, "positional1");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional2");
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(ChainingInterface, PositionalSingleMultipleUnlimitedAndFlag) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                  .positional(1, 1);
        testOpts.addOptionChaining("positional2", "positional2", moe::StringVector, "Positional")
                                  .positional(2, 3);
        testOpts.addOptionChaining("positional3", "positional3", moe::StringVector, "Positional")
                                  .positional(4, -1);
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("positional1");
        argv.push_back("positional2");
        argv.push_back("positional3");
        argv.push_back("positional4");
        argv.push_back("positional5");
        argv.push_back("positional6");
        argv.push_back("--port");
        argv.push_back("5");
        argv.push_back("positional7");
        argv.push_back("positional8");
        argv.push_back("positional9");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        std::vector<std::string>::iterator positionalit;

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("positional1"), &value));
        std::string positionalSingle;
        ASSERT_OK(value.get(&positionalSingle));
        ASSERT_EQUALS(positionalSingle, "positional1");

        ASSERT_OK(environment.get(moe::Key("positional2"), &value));
        std::vector<std::string> positionalMultiple;
        ASSERT_OK(value.get(&positionalMultiple));
        positionalit = positionalMultiple.begin();
        ASSERT_EQUALS(*positionalit, "positional2");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional3");

        ASSERT_OK(environment.get(moe::Key("positional3"), &value));
        std::vector<std::string> positionalUnlimited;
        ASSERT_OK(value.get(&positionalUnlimited));
        positionalit = positionalUnlimited.begin();
        ASSERT_EQUALS(*positionalit, "positional4");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional5");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional6");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional7");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional8");
        positionalit++;
        ASSERT_EQUALS(*positionalit, "positional9");

        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(ChainingInterface, PositionalHoleInRange) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                  .positional(1, 1);
        testOpts.addOptionChaining("positional3", "positional2", moe::StringVector, "Positional")
                                  .positional(3, -1);
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        std::vector<std::string>::iterator positionalit;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(ChainingInterface, PositionalOverlappingRange) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                  .positional(1, 1);
        testOpts.addOptionChaining("positional3", "positional2", moe::StringVector, "Positional")
                                  .positional(1, 2);
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        std::vector<std::string>::iterator positionalit;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(ChainingInterface, PositionalOverlappingRangeInfinite) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                  .positional(1, 1);
        testOpts.addOptionChaining("positional3", "positional2", moe::StringVector, "Positional")
                                  .positional(1, -1);
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        std::vector<std::string>::iterator positionalit;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(ChainingInterface, PositionalMultipleInfinite) {
        moe::OptionsParser parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("positional1", "positional1", moe::String, "Positional")
                                  .positional(1, -1);
        testOpts.addOptionChaining("positional3", "positional2", moe::StringVector, "Positional")
                                  .positional(3, -1);
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        std::map<std::string, std::string> env_map;

        moe::Value value;
        std::vector<std::string>::iterator positionalit;

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(OptionSources, SourceCommandLine) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;
        std::string parameter;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("parameter", "parameter", moe::String, "Parameter")
                                  .setSources(moe::SourceCommandLine);

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--parameter");
        argv.push_back("allowed");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");

        parser.setConfig("config.json", "{ parameter : \"disallowed\" }");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");

        parser.setConfig("config.ini", "parameter=disallowed");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(OptionSources, SourceINIConfig) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;
        std::string parameter;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("parameter", "parameter", moe::String, "Parameter")
                                  .setSources(moe::SourceINIConfig);

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--parameter");
        argv.push_back("disallowed");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");

        parser.setConfig("config.json", "{ parameter : \"disallowed\" }");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");

        parser.setConfig("config.ini", "parameter=allowed");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");

    }

    TEST(OptionSources, SourceYAMLConfig) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;
        std::string parameter;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("parameter", "parameter", moe::String, "Parameter")
                                  .setSources(moe::SourceYAMLConfig);

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--parameter");
        argv.push_back("disallowed");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");

        parser.setConfig("config.json", "{ parameter : \"allowed\" }");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");

        parser.setConfig("config.ini", "parameter=disallowed");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(OptionSources, SourceAllConfig) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;
        std::string parameter;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("parameter", "parameter", moe::String, "Parameter")
                                  .setSources(moe::SourceAllConfig);

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--parameter");
        argv.push_back("disallowed");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");

        parser.setConfig("config.json", "{ parameter : \"allowed\" }");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");

        parser.setConfig("config.ini", "parameter=allowed");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");
    }

    TEST(OptionSources, SourceAllLegacy) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;
        std::string parameter;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("parameter", "parameter", moe::String, "Parameter")
                                  .setSources(moe::SourceAllLegacy);

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--parameter");
        argv.push_back("allowed");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");

        parser.setConfig("config.json", "{ parameter : \"disallowed\" }");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");

        parser.setConfig("config.ini", "parameter=allowed");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");
    }

    TEST(OptionSources, SourceAll) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;
        std::string parameter;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("parameter", "parameter", moe::String, "Parameter")
                                  .setSources(moe::SourceAll);

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--parameter");
        argv.push_back("allowed");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");

        parser.setConfig("config.json", "{ parameter : \"allowed\" }");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");

        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.ini");

        parser.setConfig("config.ini", "parameter=allowed");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("parameter"), &value));
        ASSERT_OK(value.get(&parameter));
        ASSERT_EQUALS(parameter, "allowed");
    }

    TEST(Constraints, NumericRangeConstraint) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;
        int port;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("port", "port", moe::Int, "Port")
                                  .validRange(1000, 65535);

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("999");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_NOT_OK(environment.validate());;

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("65536");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_NOT_OK(environment.validate());;

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("65535");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.validate());;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 65535);

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--port");
        argv.push_back("1000");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.validate());;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 1000);
    }

    TEST(Constraints, MutuallyExclusiveConstraint) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("option1", "option1", moe::Switch, "Option1")
                                  .incompatibleWith("section.option2");
        testOpts.addOptionChaining("section.option2", "option2", moe::Switch, "Option2");

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--option1");
        argv.push_back("--option2");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_NOT_OK(environment.validate());;

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--option1");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.validate());;
        ASSERT_OK(environment.get(moe::Key("option1"), &value));

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--option2");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.validate());;
        ASSERT_OK(environment.get(moe::Key("section.option2"), &value));
    }

    TEST(Constraints, RequiresOtherConstraint) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("option1", "option1", moe::Switch, "Option1")
                                  .requires("section.option2");
        testOpts.addOptionChaining("section.option2", "option2", moe::Switch, "Option2");

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--option1");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_NOT_OK(environment.validate());;

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--option1");
        argv.push_back("--option2");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.validate());;
        ASSERT_OK(environment.get(moe::Key("option1"), &value));
        ASSERT_OK(environment.get(moe::Key("section.option2"), &value));

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--option2");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.validate());;
        ASSERT_OK(environment.get(moe::Key("section.option2"), &value));
    }

    TEST(Constraints, StringFormatConstraint) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;
        std::vector<std::string> argv;
        std::map<std::string, std::string> env_map;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("option", "option", moe::String, "Option")
                                  .format("[a-z][0-9]", "[character][number]");

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--option");
        argv.push_back("aa");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_NOT_OK(environment.validate());;

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--option");
        argv.push_back("11");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_NOT_OK(environment.validate());;

        environment = moe::Environment();
        argv.clear();
        argv.push_back("binaryname");
        argv.push_back("--option");
        argv.push_back("a1");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.validate());
        ASSERT_OK(environment.get(moe::Key("option"), &value));
        std::string option;
        ASSERT_OK(value.get(&option));
        ASSERT_EQUALS(option, "a1");
    }

    TEST(YAMLConfigFile, Basic) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "port: 5");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(YAMLConfigFile, Empty) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(YAMLConfigFile, Override) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        argv.push_back("--port");
        argv.push_back("6");
        std::map<std::string, std::string> env_map;


        parser.setConfig("config.yaml", "port: 5");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 6);
    }

    TEST(YAMLConfigFile, UnregisteredOption) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "port: 5");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(YAMLConfigFile, DuplicateOption) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "port: 5\nport: 5");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(YAMLConfigFile, TypeChecking) {
        OptionsParserTester parser;
        moe::Environment environment;
        moe::Value value;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("stringVectorVal", "stringVectorVal", moe::StringVector,
                                   "StringVectorVal");
        testOpts.addOptionChaining("boolVal", "boolVal", moe::Bool, "BoolVal");
        testOpts.addOptionChaining("doubleVal", "doubleVal", moe::Double, "DoubleVal");
        testOpts.addOptionChaining("intVal", "intVal", moe::Int, "IntVal");
        testOpts.addOptionChaining("longVal", "longVal", moe::Long, "LongVal");
        testOpts.addOptionChaining("stringVal", "stringVal", moe::String, "StringVal");
        testOpts.addOptionChaining("unsignedLongLongVal", "unsignedLongLongVal",
                                   moe::UnsignedLongLong, "UnsignedLongLongVal");
        testOpts.addOptionChaining("unsignedVal", "unsignedVal", moe::Unsigned, "UnsignedVal");
        testOpts.addOptionChaining("switchVal", "switchVal", moe::Switch, "SwitchVal");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        // Test StringVector type
        std::vector<std::string> stringVectorVal;

        parser.setConfig("config.json", "stringVectorVal : \"scalar\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "stringVectorVal : \"true\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "stringVectorVal : \"5\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "stringVectorVal : [ [ \"string\" ], true, 1, 1.0 ]");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a string vector type and treat it as an array of strings, even if the
        // elements are not surrounded by quotes
        environment = moe::Environment();
        parser.setConfig("config.json", "stringVectorVal : [ \"string\", bare, true, 1, 1.0 ]");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVectorVal"), &value));
        std::vector<std::string>::iterator stringVectorValIt;
        ASSERT_OK(value.get(&stringVectorVal));
        stringVectorValIt = stringVectorVal.begin();
        ASSERT_EQUALS(*stringVectorValIt, "string");
        stringVectorValIt++;
        ASSERT_EQUALS(*stringVectorValIt, "bare");
        stringVectorValIt++;
        ASSERT_EQUALS(*stringVectorValIt, "true");
        stringVectorValIt++;
        ASSERT_EQUALS(*stringVectorValIt, "1");
        stringVectorValIt++;
        ASSERT_EQUALS(*stringVectorValIt, "1.0");

        // Test Bool type
        bool boolVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "boolVal : \"lies\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "boolVal : truth");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "boolVal : 1");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a bool type and try to convert it to a bool, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "boolVal : \"true\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("boolVal"), &value));
        ASSERT_OK(value.get(&boolVal));
        ASSERT_EQUALS(boolVal, true);
        environment = moe::Environment();
        parser.setConfig("config.json", "boolVal : false");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("boolVal"), &value));
        ASSERT_OK(value.get(&boolVal));
        ASSERT_EQUALS(boolVal, false);

        // Test Double type
        double doubleVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "doubleVal : \"double the monkeys\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "doubleVal : true");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a double type and try to convert it to a double, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "doubleVal : 1.5");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("doubleVal"), &value));
        ASSERT_OK(value.get(&doubleVal));
        ASSERT_EQUALS(doubleVal, 1.5);
        environment = moe::Environment();
        parser.setConfig("config.json", "doubleVal : -1.5");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("doubleVal"), &value));
        ASSERT_OK(value.get(&doubleVal));
        ASSERT_EQUALS(doubleVal, -1.5);
        environment = moe::Environment();
        parser.setConfig("config.json", "doubleVal : \"3.14\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("doubleVal"), &value));
        ASSERT_OK(value.get(&doubleVal));
        ASSERT_EQUALS(doubleVal, 3.14);
        environment = moe::Environment();
        parser.setConfig("config.json", "doubleVal : \"-3.14\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("doubleVal"), &value));
        ASSERT_OK(value.get(&doubleVal));
        ASSERT_EQUALS(doubleVal, -3.14);

        // Test Int type
        int intVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "intVal : \"hungry hippos\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "intVal : 1.5");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "intVal : 18446744073709551617"); // 2^64 + 1
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "intVal : true");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as an int type and try to convert it to a int, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "intVal : \"5\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("intVal"), &value));
        ASSERT_OK(value.get(&intVal));
        ASSERT_EQUALS(intVal, 5);

        environment = moe::Environment();
        parser.setConfig("config.json", "intVal : \"-5\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("intVal"), &value));
        ASSERT_OK(value.get(&intVal));
        ASSERT_EQUALS(intVal, -5);

        // Test Long type
        long longVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "longVal : \"in an eating race\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "longVal : 1.5");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "longVal : 18446744073709551617"); // 2^64 + 1
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "longVal : true");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a long type and try to convert it to a long, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "longVal : \"5\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("longVal"), &value));
        ASSERT_OK(value.get(&longVal));
        ASSERT_EQUALS(longVal, 5);

        environment = moe::Environment();
        parser.setConfig("config.json", "longVal : \"-5\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("longVal"), &value));
        ASSERT_OK(value.get(&longVal));
        ASSERT_EQUALS(longVal, -5);

        // Test String type
        std::string stringVal;

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a string type and treat it as a string, even if the element is not
        // surrounded by quotes
        environment = moe::Environment();
        parser.setConfig("config.json", "stringVal :");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVal"), &value));
        ASSERT_OK(value.get(&stringVal));
        ASSERT_EQUALS(stringVal, "");

        environment = moe::Environment();
        parser.setConfig("config.json", "stringVal : \"1000\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVal"), &value));
        ASSERT_OK(value.get(&stringVal));
        ASSERT_EQUALS(stringVal, "1000");

        environment = moe::Environment();
        parser.setConfig("config.json", "stringVal : wat man");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVal"), &value));
        ASSERT_OK(value.get(&stringVal));
        ASSERT_EQUALS(stringVal, "wat man");

        environment = moe::Environment();
        parser.setConfig("config.json", "stringVal : true 1 string 1.0");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("stringVal"), &value));
        ASSERT_OK(value.get(&stringVal));
        ASSERT_EQUALS(stringVal, "true 1 string 1.0");

        // Test UnsignedLongLong type
        unsigned long long unsignedLongLongVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedLongLongVal : \"unsigned hungry hippos\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedLongLongVal : 1.5");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json",
                         "unsignedLongLongVal : 18446744073709551617"); // 2^64 + 1
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedLongLongVal : true");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedLongLongVal : \"-5\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as an unsigned long long type and try to convert it to an unsigned long long,
        // even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedLongLongVal : \"5\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("unsignedLongLongVal"), &value));
        ASSERT_OK(value.get(&unsignedLongLongVal));
        ASSERT_EQUALS(unsignedLongLongVal, 5ULL);

        // Test Unsigned type
        unsigned unsignedVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedVal : \"unsigned hungry hippos\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedVal : 1.5");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedVal : 18446744073709551617"); // 2^64 + 1
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedVal : true");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedVal : \"-5\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as an unsigned type and try to convert it to an unsigned, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "unsignedVal : \"5\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("unsignedVal"), &value));
        ASSERT_OK(value.get(&unsignedVal));
        ASSERT_EQUALS(unsignedVal, 5U);

        // Test Switch type
        bool switchVal;
        environment = moe::Environment();
        parser.setConfig("config.json", "switchVal : \"lies\"");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "switchVal : truth");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
        environment = moe::Environment();
        parser.setConfig("config.json", "switchVal : 1");
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));

        // The YAML parser treats everything as a string, so we just take anything that was
        // specified as a switch type and try to convert it to a bool, even if it was quoted
        environment = moe::Environment();
        parser.setConfig("config.json", "switchVal : \"true\"");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("switchVal"), &value));
        ASSERT_OK(value.get(&switchVal));
        ASSERT_EQUALS(switchVal, true);
        environment = moe::Environment();
        parser.setConfig("config.json", "switchVal : false");
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));

        // A switch not being present results in it not getting added to the map for legacy reasons.
        // The downside of this is that switches can't override a default value of "true" in a
        // config file.  We should change this once we elminate the places in the code that depend
        // on this behavior.
        ASSERT_NOT_OK(environment.get(moe::Key("switchVal"), &value));
    }

    TEST(YAMLConfigFile, Nested) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("nested.port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "nested:\n    port: 5");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("nested.port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(YAMLConfigFile, Dotted) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("dotted.port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "dotted.port: 5");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("dotted.port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
    }

    TEST(YAMLConfigFile, DottedAndNested) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("dottednested.var1", "var1", moe::Int, "Var1");
        testOpts.addOptionChaining("dottednested.var2", "var2", moe::Int, "Var2");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml",
                         "dottednested.var1: 5\ndottednested:\n    var2: 6");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("dottednested.var1"), &value));
        int var1;
        ASSERT_OK(value.get(&var1));
        ASSERT_EQUALS(var1, 5);
        ASSERT_OK(environment.get(moe::Key("dottednested.var2"), &value));
        int var2;
        ASSERT_OK(value.get(&var2));
        ASSERT_EQUALS(var2, 6);
    }

    TEST(YAMLConfigFile, ListBrackets) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringVector, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "multival: [ \"val1\", \"val2\" ]");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::vector<std::string> multival;
        std::vector<std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(*multivalit, "val1");
        multivalit++;
        ASSERT_EQUALS(*multivalit, "val2");
    }

    TEST(YAMLConfigFile, ListDashes) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringVector, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "multival:\n - \"val1\"\n - \"val2\"");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::vector<std::string> multival;
        std::vector<std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(*multivalit, "val1");
        multivalit++;
        ASSERT_EQUALS(*multivalit, "val2");
    }

    TEST(YAMLConfigFile, DefaultValueOverride) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port").setDefault(moe::Value(5));

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", "port: 6");

        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        moe::Value value;
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 6);
    }

    TEST(YAMLConfigFile, Comments) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");
        testOpts.addOptionChaining("host", "host", moe::String, "Host");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml",
                         "# comment on port\nport: 5\n"
                         "# comment on host\nhost: localhost\n");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("port"), &value));
        int port;
        ASSERT_OK(value.get(&port));
        ASSERT_EQUALS(port, 5);
        ASSERT_OK(environment.get(moe::Key("host"), &value));
        std::string host;
        ASSERT_OK(value.get(&host));
        ASSERT_EQUALS(host, "localhost");
    }

    TEST(YAMLConfigFile, EmptyKey) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("port", "port", moe::Int, "Port");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.yaml");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.yaml", ":");

        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(YAMLConfigFile, StringVector) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringVector, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json", "multival : [ \"val1\", \"val2\" ]");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::vector<std::string> multival;
        std::vector<std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(*multivalit, "val1");
        multivalit++;
        ASSERT_EQUALS(*multivalit, "val2");
    }

    TEST(YAMLConfigFile, StringMap) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringMap, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json",
                         // NOTE: Indentation is used to determine whether an option is in a sub
                         // category, so the spaces after the newlines before key2 and key3 is
                         // significant
                         "multival : \n key1 : \"value1\"\n key2 : \"value2\"\n key3 : \"\"");

        moe::Value value;
        ASSERT_OK(parser.run(testOpts, argv, env_map, &environment));
        ASSERT_OK(environment.get(moe::Key("multival"), &value));
        std::map<std::string, std::string> multival;
        std::map<std::string, std::string>::iterator multivalit;
        ASSERT_OK(value.get(&multival));
        multivalit = multival.begin();
        ASSERT_EQUALS(multivalit->first, "key1");
        ASSERT_EQUALS(multivalit->second, "value1");
        multivalit++;
        ASSERT_EQUALS(multivalit->first, "key2");
        ASSERT_EQUALS(multivalit->second, "value2");
        multivalit++;
        ASSERT_EQUALS(multivalit->first, "key3");
        ASSERT_EQUALS(multivalit->second, "");
    }

    TEST(YAMLConfigFile, StringMapDuplicateKey) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("config", "config", moe::String, "Config file to parse");
        testOpts.addOptionChaining("multival", "multival", moe::StringMap, "Multiple Values");

        std::vector<std::string> argv;
        argv.push_back("binaryname");
        argv.push_back("--config");
        argv.push_back("config.json");
        std::map<std::string, std::string> env_map;

        parser.setConfig("config.json",
                         // NOTE: Indentation is used to determine whether an option is in a sub
                         // category, so the spaces after the newlines before key2 and key3 is
                         // significant
                         "multival : \n key1 : \"value1\"\n key1 : \"value2\"");

        moe::Value value;
        ASSERT_NOT_OK(parser.run(testOpts, argv, env_map, &environment));
    }

    TEST(OptionCount, Basic) {
        OptionsParserTester parser;
        moe::Environment environment;

        moe::OptionSection testOpts;
        testOpts.addOptionChaining("basic", "basic", moe::String, "Basic Option");
        testOpts.addOptionChaining("hidden", "hidden", moe::String, "Hidden Option").hidden();

        moe::OptionSection subSection("Section Name");
        subSection.addOptionChaining("port", "port", moe::Int, "Port")
                                    .setSources(moe::SourceYAMLConfig);
        testOpts.addSection(subSection);

        int numOptions;
        ASSERT_OK(testOpts.countOptions(&numOptions, true /*visibleOnly*/, moe::SourceCommandLine));
        ASSERT_EQUALS(numOptions, 1);
    }

} // unnamed namespace
