from __future__ import absolute_import

from hamcrest.library.collection.isdict_containing import *

from hamcrest.core.core.isequal import equal_to

from hamcrest_unit_test.matcher_test import MatcherTest
from .quasidict import QuasiDictionary
import unittest

__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"


class IsDictContainingTest(MatcherTest):

    def testMatchesDictionaryContainingMatchingKeyAndValue(self):
        dict = {'a': 1, 'b': 2}
        self.assert_matches('has a:1', has_entry(equal_to('a'), equal_to(1)), dict)
        self.assert_matches('has b:2', has_entry(equal_to('b'), equal_to(2)), dict)
        self.assert_does_not_match('no c:3', has_entry(equal_to('c'), equal_to(3)), dict)

    def testProvidesConvenientShortcutForMatchingWithEqualTo(self):
        dict = {'a': 1, 'b': 2}
        self.assert_matches('has a:1', has_entry('a', equal_to(1)), dict)
        self.assert_matches('has b:2', has_entry(equal_to('b'), 2), dict)
        self.assert_does_not_match('no c:3', has_entry('c', 3), dict)

    def testMatchesAnyConformingDictionary(self):
        self.assert_matches('quasi-dictionary', has_entry(1, '1'), QuasiDictionary())
        self.assert_does_not_match('non-dictionary', has_entry(1, '1'), object())

    def testHasReadableDescription(self):
        self.assert_description("a dictionary containing ['a': <1>]",
                                has_entry('a', 1))

    def testSuccessfulMatchDoesNotGenerateMismatchDescription(self):
        self.assert_no_mismatch_description(has_entry('a', 1), {'a': 1})

    def testMismatchDescriptionShowsActualArgument(self):
        self.assert_mismatch_description("was 'bad'", has_entry('a', 1), 'bad')

    def testDescribeMismatch(self):
        self.assert_describe_mismatch("was 'bad'", has_entry('a', 1), 'bad')


if __name__ == '__main__':
    unittest.main()
