if __name__ == '__main__':
    import sys
    sys.path.insert(0, '..')
    sys.path.insert(0, '../..')

from hamcrest.library.collection.isdict_containingkey 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 IsDictContainingKeyTest(MatcherTest):

    def testMatchesSingletonDictionaryContainingKey(self):
        dict = {'a': 1}
        self.assert_matches('same single key', has_key(equal_to('a')), dict)

    def testMatchesDictionaryContainingKey(self):
        dict = {'a': 1, 'b': 2, 'c': 3}
        self.assert_matches('Matches a', has_key(equal_to('a')), dict)
        self.assert_matches('Matches c', has_key(equal_to('c')), dict)

    def testProvidesConvenientShortcutForMatchingWithEqualTo(self):
        dict = {'a': 1, 'b': 2, 'c': 3}
        self.assert_matches('Matches c', has_key('c'), dict)

    def testDoesNotMatchEmptyDictionary(self):
        self.assert_does_not_match('empty', has_key('foo'), {});

    def testDoesNotMatchDictionaryMissingKey(self):
        dict = {'a': 1, 'b': 2, 'c': 3}
        self.assert_does_not_match('no matching key', has_key('d'), dict)

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

    def testHasReadableDescription(self):
        self.assert_description("a dictionary containing key 'a'", has_key('a'))

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

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

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


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