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How to use test_empty_matcher method in pyshould

Best Python code snippet using pyshould_python

test_matcher.py

...115        bindings = OrderedBindings(bindings)116        with self.assertRaises(matcher.MatchError):117          matcher.merge_bindings(bindings, bindings)118class AccumulatingMatcherTest(absltest.TestCase):119  def test_empty_matcher(self):120    class TestMatcher(matcher.Matcher):121      @matcher.accumulating_matcher122      def _match(self, context, candidate):123        return124        yield  # pylint: disable=unreachable125    self.assertIsNotNone(TestMatcher().match(_FAKE_CONTEXT, 0))126  def test_submatcher_extraction(self):127    """Tests that the return values of submatchers are sent to the generator."""128    class ValueReturningMatcher(matcher.Matcher):129      def _match(self, context, candidate):130        del candidate  # unused131        return matcher.MatchInfo(132            matcher.create_match(context.parsed_file, 'hello world'), {})133    class TestMatcher(matcher.Matcher):...

dsl.py

Source: dsl.py

...115    def test_callback_matcher(self):116        1 | should.pass_callback(lambda x: x == 1)117    def test_callback_matcher_nested_expectation(self):118        1 | should.pass_callback(lambda x: x | should.eq(1))119    def test_empty_matcher(self):120        [] | should.be_empty121        '' | should.be_empty122        {} | should.be_empty123        ['foo'] | should_not.be_empty124        'foo' | should_not.be_empty125        {'foo': 'foo'} | should_not.be_empty126    def test_matcher_composition(self):127        d = {'foo': 'bar'}128        d | should.have_value(should.eq('bar'))129        d | should.have_entry('foo', should.eq('baz').or_eq('bar'))130        d | should.have_key('foo').and_have_value(should.eq('bar'))131        self.assertRaises(132            AssertionError,133            lambda: d | should.have_entry('foo', should.eq('baz'))...

matcher.py

Source: matcher.py

...11        self.sim.simulate(10, 13579)12        13    def test_matcher(self):14        """Test various matcher subclasses"""15        def test_empty_matcher(MatcherSub):16            """Test empty Matcher returns valid empty results"""17            ## Test that an empty set returns valid, emtpy results18            matcher_sub = MatcherSub(set([]))19            unmatched = matcher_sub.get_unmatched()20            best_matches = matcher_sub.get_best_matches()21            self.assertEqual(unmatched, set([]));22            self.assertEqual(best_matches, set([]));23        def test_matcher_matches(MatcherSub, expected_matches, expected_unmatches):24            """Spin up Matcher subclass and confirm expected results"""25            users = self.sim.get_users()26            self.assertEqual(len(users),10, "Sanity check simulator user count")27            matcher_sub = MatcherSub(users,seed=1234)28            best_matches = set([(tup[0].user_id, tup[1].user_id) for tup in matcher_sub.get_best_matches() ])29            unmatched = set([user.user_id for user in matcher_sub.get_unmatched()])30            print best_matches31            print unmatched32            for match in expected_matches:33                self.assertIn(match, best_matches, "Expected match not found - perhaps the algo or simulator changed?")34            for unmatch in expected_unmatches:35                self.assertIn(unmatch, unmatched, "Expected unmatched not found - perhaps the algo or simulator changed?")36        ## Test empty matcher return valid results37        for MatcherSub in self.all_matchers:38            test_empty_matcher(MatcherSub)39        ## For each Matcher subclass, work out what the answers should be40        ## given the simulator's users, and record the answers here41        geog_matched = [(7736498, 2837615), (5072324, 795755), (4454245, 3882723)]42        geog_unmatched = [1510961, 8148259, 6505708, 2432669]43        ## Feed the expected results into 3-tuples below to be tested44        ## (MatcherSubclass , expected_match_results, expected_unmatched_results)45        test_cases = [46            (GeogMatcher, geog_matched,geog_unmatched)47            ]48        ## Test full matchers return correct results49        for match_case in test_cases:50            test_matcher_matches(*match_case)51if __name__ == '__main__':52    unittest.main()

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