#
# Author:: Jay Mundrawala <jdm@getchef.com>
# Copyright:: Copyright (c) 2014 Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# 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.
#

require 'chef'
require 'chef/util/powershell/cmdlet'

describe Chef::Util::Powershell::Cmdlet do
  before (:all) do
    @node = Chef::Node.new
    @cmdlet = Chef::Util::Powershell::Cmdlet.new(@node, 'Some-Commandlet')
  end

  describe '#validate_switch_name!' do
    it 'should not raise an error if a name contains all upper case letters' do
      @cmdlet.send(:validate_switch_name!, "HELLO")
    end

    it 'should not raise an error if the name contains all lower case letters' do
      @cmdlet.send(:validate_switch_name!, "hello")
    end

    it 'should not raise an error if no special characters are used except _' do
      @cmdlet.send(:validate_switch_name!, "hello_world")
    end

    %w{! @ # $ % ^ & * & * ( ) - = + \{ \} . ? < > \\ /}.each do |sym|
      it "raises an Argument error if it configuration name contains #{sym}" do
        expect {
          @cmdlet.send(:validate_switch_name!, "Hello#{sym}")
        }.to raise_error(ArgumentError)
      end
    end
  end

  describe '#escape_parameter_value' do
    # Is this list really complete?
    %w{` " # '}.each do |c|
      it "escapse #{c}" do
        expect(@cmdlet.send(:escape_parameter_value, "stuff #{c}")).to eql("stuff `#{c}")
      end
    end

    it 'does not do anything to a string without special characters' do
      expect(@cmdlet.send(:escape_parameter_value, 'stuff')).to eql('stuff')
    end
  end

  describe '#escape_string_parameter_value' do
    it "surrounds a string with ''" do
      expect(@cmdlet.send(:escape_string_parameter_value, 'stuff')).to eql("'stuff'")
    end
  end

  describe '#command_switches_string' do
    it 'raises an ArgumentError if the key is not a symbol' do
      expect {
        @cmdlet.send(:command_switches_string, {'foo' => 'bar'})
      }.to raise_error(ArgumentError)
    end

    it 'does not allow invalid switch names' do
      expect {
        @cmdlet.send(:command_switches_string, {:foo! => 'bar'})
      }.to raise_error(ArgumentError)
    end

    it 'ignores switches with a false value' do
      expect(@cmdlet.send(:command_switches_string, {foo: false})).to eql('')
    end

    it 'should correctly handle a value type of string' do
      expect(@cmdlet.send(:command_switches_string, {foo: 'bar'})).to eql("-foo 'bar'")
    end

    it 'should correctly handle a value type of string even when it is 0 length' do
      expect(@cmdlet.send(:command_switches_string, {foo: ''})).to eql("-foo ''")
    end

    it 'should not quote integers' do
      expect(@cmdlet.send(:command_switches_string, {foo: 1})).to eql("-foo 1")
    end

    it 'should not quote floats' do
      expect(@cmdlet.send(:command_switches_string, {foo: 1.0})).to eql("-foo 1.0")
    end

    it 'has just the switch when the value is true' do
      expect(@cmdlet.send(:command_switches_string, {foo: true})).to eql("-foo")
    end
  end
end
