Exemplo n.º 1
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    def test_observation_failure_ok(self):
        error_text = 'the error'
        context = ExecutionContext()

        observation = jc.Observation()
        error = ValueError(error_text)
        observation.add_error(error)

        ex_pred = jp.ExceptionMatchesPredicate(ValueError, error_text)
        ex_result = ex_pred(context, error)
        ex_observation_predicate_result = jc.ObservationPredicateResult(
            True, observation, jp.LIST_MATCHES([ex_pred]),
            jp.LIST_MATCHES([ex_pred])(context, [error]))

        expect_failure = jc.ObservationVerifyResult(
            valid=True,
            observation=observation,
            good_results=[ex_observation_predicate_result],
            bad_results=[],
            failed_constraints=[])

        builder = jc.ValueObservationVerifierBuilder(title='Test For Error')
        builder.EXPECT(jc.ObservationErrorPredicate(jp.LIST_MATCHES([ex_pred
                                                                     ])))
        verifier = builder.build()

        self.assertEqual(expect_failure, verifier(context, observation))
Exemplo n.º 2
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    def test_result_observation_verifier_disjunction_failure(self):
        builder = jc.ObservationVerifierBuilder(title='Test')
        verifiers = []
        results = []
        for i in range(2):
            result = _makeObservationVerifyResult(valid=False)
            fake_verifier = FakeObservationVerifier(title=i,
                                                    dnf_verifier=[],
                                                    result=result)
            verifiers.append(fake_verifier)
            results.append(result)
            builder.append_verifier(fake_verifier, new_term=True)

        verifier = builder.build()
        self.assertEqual([verifiers[0:1], verifiers[1:2]],
                         verifier.dnf_verifiers)

        expect = _makeObservationVerifyResult(False, bad_results=[results])

        global _called_verifiers
        _called_verifiers = []
        got = verifier(jc.Observation())

        self.assertEqual(expect, got)
        self.assertEqual(verifiers, _called_verifiers)
Exemplo n.º 3
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  def test_result_observation_verifier_disjunction_success_aborts_early(self):
    context = ExecutionContext()
    builder = jc.ObservationVerifierBuilder(title='Test')
    verifiers = []
    results = []
    pred_results = [jp.PredicateResult(False, comment='Result %d' % i)
                                       for i in range(2)]
    for i in range(2):
      result = _makeObservationVerifyResult(
          valid=True, good_results=[pred_results[i]])
      fake_verifier = FakeObservationVerifier(
          title=i, dnf_verifier=[], result=result)
      verifiers.append(fake_verifier)
      results.append(result)
      builder.OR(fake_verifier)

    verifier = builder.build()
    self.assertEqual([verifiers[0:1], verifiers[1:2]], verifier.dnf_verifiers)

    expect = _makeObservationVerifyResult(True, good_results=[pred_results[0]])

    global _called_verifiers
    _called_verifiers = []
    got = verifier(context, jc.Observation())

    self.assertEqual(expect, got)
    self.assertEqual(verifiers[:1], _called_verifiers)
Exemplo n.º 4
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  def test_result_observation_verifier_conjunction_ok(self):
    context = ExecutionContext()
    builder = jc.ObservationVerifierBuilder(title='Test')
    verifiers = []
    pred_results = []
    for i in range(3):
      this_result = jp.PredicateResult(True, comment='Pred {0}'.format(i))
      pred_results.append(this_result)
      result = _makeObservationVerifyResult(
          valid=True, good_results=[this_result])
      fake_verifier = FakeObservationVerifier(
          title=i, dnf_verifier=[], result=result)
      verifiers.append(fake_verifier)
      builder.AND(fake_verifier)

    # verify build can work multiple times
    self.assertEqual(builder.build(), builder.build())
    verifier = builder.build()
    self.assertEqual([verifiers], verifier.dnf_verifiers)

    expect = _makeObservationVerifyResult(True, good_results=pred_results)

    global _called_verifiers
    _called_verifiers = []
    got = verifier(context, jc.Observation())

    self.assertEqual(expect, got)
    self.assertEqual(verifiers, _called_verifiers)
Exemplo n.º 5
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  def test_result_observation_verifier_conjunction_failure_aborts_early(self):
    context = ExecutionContext()
    builder = jc.ObservationVerifierBuilder(title='Test')
    verifiers = []
    results = []
    pred_results = [jp.PredicateResult(False, comment='Result %d' % i)
                                       for i in range(3)]
    for i in range(3):
      result = _makeObservationVerifyResult(
          valid=False, bad_results=[pred_results[i]])
      fake_verifier = FakeObservationVerifier(
          title=i, dnf_verifier=[], result=result)
      verifiers.append(fake_verifier)
      results.append(result)
      builder.AND(fake_verifier)

    # verify build can work multiple times
    self.assertEqual(builder.build(), builder.build())
    verifier = builder.build()
    self.assertEqual([verifiers], verifier.dnf_verifiers)

    expect = _makeObservationVerifyResult(
        False, bad_results=[pred_results[0]])

    global _called_verifiers
    _called_verifiers = []
    got = verifier(context, jc.Observation())

    self.assertEqual(expect, got)
    self.assertEqual(verifiers[:1], _called_verifiers)
Exemplo n.º 6
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    def test_result_observation_verifier_conjunction_failure_aborts_early(
            self):
        builder = jc.ObservationVerifierBuilder(title='Test')
        verifiers = []
        results = []
        for i in range(3):
            result = _makeObservationVerifyResult(valid=False)
            fake_verifier = FakeObservationVerifier(title=i,
                                                    dnf_verifier=[],
                                                    result=result)
            verifiers.append(fake_verifier)
            results.append(result)
            builder.append_verifier(fake_verifier)

        # verify build can work multiple times
        self.assertEqual(builder.build(), builder.build())
        verifier = builder.build()
        self.assertEqual([verifiers], verifier.dnf_verifiers)

        expect = _makeObservationVerifyResult(False, bad_results=[results[0]])

        global _called_verifiers
        _called_verifiers = []
        got = verifier(jc.Observation())

        self.assertEqual(expect, got)
        self.assertEqual(verifiers[:1], _called_verifiers)
    def test_object_observation_verifier_multiple_constraint_found(self):
        pred_list = [
            jp.PathPredicate('a', jp.STR_EQ('A')),
            jp.PathPredicate('b', jp.STR_EQ('B'))
        ]
        # This is our object verifier for these tests.
        verifier = jc.ValueObservationVerifier(title='Find Both',
                                               constraints=pred_list)

        test_cases = [('dict', _LETTER_DICT), ('array', _DICT_ARRAY),
                      ('multi', _MULTI_ARRAY)]
        for test in test_cases:
            observation = jc.Observation()
            builder = jc.ObservationVerifyResultBuilder(observation)

            obj = test[1]
            if isinstance(test, list):
                observation.add_all_objects(obj)
            else:
                observation.add_object(obj)

            for pred in pred_list:
                builder.add_path_predicate_result(pred(observation.objects))

            # All of these tests succeed.
            verify_results = builder.build(True)

            try:
                self._try_verify(verifier, observation, True, verify_results)
            except:
                print 'testing {0}'.format(test[0])
                raise
Exemplo n.º 8
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    def test_object_observation_verifier_one_constraint_not_found(self):
        context = ExecutionContext()
        pred_list = [jp.PathPredicate('a', jp.STR_EQ('NOT_FOUND'))]

        # This is our object verifier for these tests.
        verifier = (jc.ValueObservationVerifierBuilder(
            'Cannot find one').contains_match(pred_list).build())

        test_cases = [('array', _DICT_ARRAY), ('dict', _LETTER_DICT),
                      ('array', _DICT_ARRAY), ('multi', _MULTI_ARRAY)]

        for test in test_cases:
            observation = jc.Observation()
            builder = jc.ObservationVerifyResultBuilder(observation)

            obj = test[1]
            if isinstance(test, list):
                observation.add_all_objects(obj)
            else:
                observation.add_object(obj)

            for pred in pred_list:
                builder.add_path_predicate_result(
                    pred(context, observation.objects))

            # None of these tests succeed.
            verify_results = builder.build(False)
            self.assertEqual(pred_list, verify_results.failed_constraints)

            try:
                self._try_verify(context, verifier, observation, False,
                                 verify_results)
            except:
                print 'testing {0}'.format(test[0])
                raise
Exemplo n.º 9
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    def mixed_exclude_helper(self, strict):
        context = ExecutionContext()
        observation = jc.Observation()
        observation.add_object('A')
        observation.add_object('B')
        observation.add_object('C')
        fake_observer = FakeObserver(observation)

        # We dont expect to see B in the list.
        # This can be interpreted two ways -- strictly or not strictly.
        # Strictly means no results should ever contain B.
        # Non strict means some result should not contain B.
        builder = jc.ValueObservationVerifierBuilder('Test Excludes',
                                                     strict=strict)
        builder.excludes_path_value(None, 'B')

        clause = jc.ContractClause('TestClause', fake_observer,
                                   builder.build())
        contract = jc.Contract()
        contract.add_clause(clause)

        # Doesnt matter whether strict or not since this is checking cardinality
        # over the entire list via the excludes clause.
        expect_result = jc.contract.ContractVerifyResult(
            False, [clause.verify(context)])
        result = contract.verify(context)
        self.assertEqual(expect_result, result)
        self.assertEqual(False, result.valid)
Exemplo n.º 10
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    def test_result_observation_verifier_disjunction_success_aborts_early(
            self):
        context = ExecutionContext()
        builder = jc.ObservationVerifierBuilder(title='Test')
        verifiers = []
        results = []
        for i in range(2):
            result = _makeObservationVerifyResult(valid=True)
            fake_verifier = FakeObservationVerifier(title=i,
                                                    dnf_verifier=[],
                                                    result=result)
            verifiers.append(fake_verifier)
            results.append(result)
            builder.append_verifier(fake_verifier, new_term=True)

        verifier = builder.build()
        self.assertEqual([verifiers[0:1], verifiers[1:2]],
                         verifier.dnf_verifiers)

        expect = _makeObservationVerifyResult(True, bad_results=[results[0]])

        global _called_verifiers
        _called_verifiers = []
        got = verifier(context, jc.Observation())

        self.assertEqual(expect, got)
        self.assertEqual(verifiers[:1], _called_verifiers)
Exemplo n.º 11
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    def test_result_observation_verifier_conjunction_ok(self):
        context = ExecutionContext()
        builder = jc.ObservationVerifierBuilder(title='Test')
        verifiers = []
        results = []
        for i in range(3):
            result = _makeObservationVerifyResult(valid=True)
            fake_verifier = FakeObservationVerifier(title=i,
                                                    dnf_verifier=[],
                                                    result=result)
            verifiers.append(fake_verifier)
            results.append(result)
            builder.append_verifier(fake_verifier)

        # verify build can work multiple times
        self.assertEqual(builder.build(), builder.build())
        verifier = builder.build()
        self.assertEqual([verifiers], verifier.dnf_verifiers)

        expect = _makeObservationVerifyResult(True, good_results=results)

        global _called_verifiers
        _called_verifiers = []
        got = verifier(context, jc.Observation())

        self.assertEqual(expect, got)
        self.assertEqual(verifiers, _called_verifiers)
Exemplo n.º 12
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    def __do_test_observation_failure_verifier_with_error(self, klass):
        context = ExecutionContext()
        valid = klass == IOError
        error = klass('Could not connect')
        observation = jc.Observation()
        observation.add_error(error)

        verifier = TestIoErrorFailureVerifier('Test')
        result = verifier(context, observation)
        self.assertEqual(valid, result.valid)

        if valid:
            attempt = jp.ObjectResultMapAttempt(
                observation, jc.ObservationFailedError([error], valid=valid))
            self.assertFalse(result.bad_results)
            self.assertEqual([attempt], result.good_results)
            self.assertEqual('HAVE Could not connect', result.comment)
        else:
            attempt = jp.ObjectResultMapAttempt(
                observation,
                jp.PredicateResult(valid=False,
                                   comment='Expected error was not found.'))
            self.assertFalse(result.good_results)
            self.assertEqual([attempt], result.bad_results)
            self.assertEqual('Expected error was not found.', result.comment)
Exemplo n.º 13
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  def test_result_observation_verifier_disjunction_failure(self):
    context = ExecutionContext()
    observation = jc.Observation()
    builder = jc.ObservationVerifierBuilder(title='Test')
    verifiers = []
    results = []
    pred_results = [jp.PredicateResult(False, comment='Result %d' % i)
                                       for i in range(2)]
    for i in range(2):
      result = _makeObservationVerifyResult(observation=observation,
          valid=False, bad_results=[pred_results[i]])
      fake_verifier = FakeObservationVerifier(
          title=i, dnf_verifier=[], result=result)
      verifiers.append(fake_verifier)
      results.append(result)
      builder.OR(fake_verifier)

    verifier = builder.build()
    self.assertEqual([verifiers[0:1], verifiers[1:2]], verifier.dnf_verifiers)

    expect = _makeObservationVerifyResult(
        False, observation=observation, bad_results=pred_results)

    global _called_verifiers
    _called_verifiers = []
    got = verifier(context, observation)

    self.assertEqual(expect, got)
    self.assertEqual(verifiers, _called_verifiers)
Exemplo n.º 14
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    def test_observation_failure_or_found(self):
        context = ExecutionContext()
        observation = jc.Observation()
        observation.add_object(_LETTER_DICT)

        failure_predicate = jc.ObservationErrorPredicate(
            jp.ExceptionMatchesPredicate(ValueError, regex='an error'))
        failure_result = failure_predicate(context, observation)
        self.assertFalse(failure_result)

        good_predicate = jc.ObservationValuePredicate(
            jp.PathPredicate('a', jp.STR_EQ('A')))

        builder = jc.ObservationVerifierBuilder('TestAddConstraint')
        verifier = (
            builder.EXPECT(failure_predicate).OR(good_predicate).build())

        expect = jc.ObservationVerifyResult(
            valid=True,
            observation=observation,
            bad_results=[failure_result],
            good_results=[good_predicate(context, observation)],
            failed_constraints=[])

        got = verifier(context, observation)
        self.assertEqual(expect, got)
Exemplo n.º 15
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  def test_obsolete_observation_failure_ok(self):
    error_text = 'the error'
    context = ExecutionContext()

    observation = jc.Observation()
    error = ValueError(error_text)
    observation.add_error(error)

    failure_verifier = TestObsoleteObservationFailureVerifier(
        'Test', error_text)
    failure_pred_result = jc.ObservationFailedError([error], valid=True)

    expect_failure = jc.ObservationVerifyResult(
        valid=True, observation=observation,
        good_results=[jp.ObjectResultMapAttempt(observation,
                                                failure_pred_result)],
        bad_results=[], failed_constraints=[],
        comment=_TEST_FOUND_ERROR_COMMENT)
    got = failure_verifier(context, observation)
    self.assertEqual(expect_failure, got)

    builder = jc.ObservationVerifierBuilder(title='Test')
    builder.EXPECT(failure_verifier)
    verifier = builder.build()

    expect = jc.ObservationVerifyResult(
        valid=True, observation=observation,
        good_results=expect_failure.good_results,
        bad_results=[], failed_constraints=[])

    got = verifier(context, observation)
    self.assertEqual(expect, got)
Exemplo n.º 16
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  def test_obsolete_observation_failure_not_ok(self):
    error_text = 'the error'
    context = ExecutionContext()
    observation = jc.Observation()
    error = ValueError('not the error')
    observation.add_error(error)

    failure_verifier = TestObsoleteObservationFailureVerifier(
        'Test', error_text)
    comment = failure_verifier._error_not_found_comment(observation)
    failure_pred_result = jp.PredicateResult(valid=False, comment=comment)

    expect_failure = jc.ObservationVerifyResult(
        valid=False, observation=observation,
        bad_results=[jp.ObjectResultMapAttempt(observation,
                                               failure_pred_result)],
        good_results=[], failed_constraints=[],
        comment=comment)
    self.assertEqual(expect_failure, failure_verifier(context, observation))

    builder = jc.ObservationVerifierBuilder(title='Test Verifier')
    builder.EXPECT(failure_verifier)
    verifier = builder.build()

    expect = jc.ObservationVerifyResult(
        valid=False, observation=observation,
        bad_results=expect_failure.bad_results,
        good_results=[], failed_constraints=[])
    got = verifier(context, observation)
    self.assertEqual(expect, got)
Exemplo n.º 17
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  def test_obsolete_observation_failure_or_found(self):
    context = ExecutionContext()
    observation = jc.Observation()
    observation.add_error(ValueError('not the error'))

    failure_verifier = TestObsoleteObservationFailureVerifier(
        'Verify', 'NotFound')
    comment = failure_verifier._error_not_found_comment(observation)
    failure_result = jp.PredicateResult(valid=False, comment=comment)
    # We've already established this result is what we expect
    bad_observation_result = failure_verifier(context, observation)

    success_pred_result = jp.PredicateResult(valid=True)
    good_observation_result = _makeObservationVerifyResult(
      valid=True,
      good_results=[success_pred_result],
      observation=observation)
    success_verifier = FakeObservationVerifier(
          'Found', dnf_verifier=[], result=good_observation_result)

    builder = jc.ObservationVerifierBuilder(title='Observation Verifier')
    builder.EXPECT(failure_verifier).OR(success_verifier)
    verifier = builder.build()

    expect = jc.ObservationVerifyResult(
        valid=True, observation=observation,
        bad_results=bad_observation_result.bad_results,
        good_results=good_observation_result.good_results,
        failed_constraints=[])

    got = verifier(context, observation)
    self.assertEqual(expect, got)
Exemplo n.º 18
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 def test_assertVerifyResults_ok(self):
     observation = jc.Observation()
     verify_results = jc.ObservationVerifyResult(valid=True,
                                                 observation=observation,
                                                 good_results=[],
                                                 bad_results=[],
                                                 failed_constraints=[])
     self.assertVerifyResults(verify_results)
Exemplo n.º 19
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    def test_observation_strict_vs_nonstrict(self):
        aA = jp.PathEqPredicate('a', 'A')
        bB = jp.PathEqPredicate('b', 'B')

        unstrict_object_list = [_NUMBER_DICT, _LETTER_DICT, _MIXED_DICT]
        unstrict_observation = jc.Observation()
        unstrict_observation.add_all_objects(unstrict_object_list)

        strict_object_list = [_LETTER_DICT, {'a': 'A', 'b': 'B', 'x': 'X'}]
        strict_observation = jc.Observation()
        strict_observation.add_all_objects(strict_object_list)

        none_object_list = [_NUMBER_DICT, _MIXED_DICT]
        none_observation = jc.Observation()
        none_observation.add_all_objects(none_object_list)

        # pylint: disable=bad-whitespace
        test_cases = [
            #  Name      jc.Observation        Strict,  Unstrict
            #---------------------------------------------------
            ('Strict', strict_observation, True, True),
            ('Unstrict', unstrict_observation, False, True),
            ('None', none_observation, False, False)
        ]

        # For each of the cases, test it with strict and non-strict verification.
        context = ExecutionContext()
        for test in test_cases:
            name = test[0]
            observation = test[1]

            # For this case, check it strict (2) and unstrict (3).
            for index in [2, 3]:
                test_strict = index == 2
                expected = test[index]
                verifier = jc.ValueObservationVerifier(title='Verifier',
                                                       constraints=[aA, bB],
                                                       strict=test_strict)

                verify_result = verifier(context, observation)
                try:
                    self.assertEqual(expected, verify_result.__nonzero__())
                except Exception as e:
                    print '*** FAILED case={0}:\n{1}'.format(name, e)
                    print 'GOT {0}'.format(verify_result)
                    raise
Exemplo n.º 20
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 def test_assertVerifyResults_failed(self):
     observation = jc.Observation()
     verify_results = jc.ObservationVerifyResult(valid=False,
                                                 observation=observation,
                                                 good_results=[],
                                                 bad_results=[],
                                                 failed_constraints=[])
     self.assertRaises(AssertionError, self.assertVerifyResults,
                       verify_results)
Exemplo n.º 21
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    def test_object_observation_verifier_with_conditional(self):
        # We need strict True here because we want each object to pass
        # the constraint test. Otherwise, if any object passes, then the whole
        # observation would pass. This causes a problem when we say that
        # we dont ever want to see 'name' unless it has a particular 'value'.
        # Without strict test, we'd allow this to occur as long as another object
        # satisfied that constraint.
        # When we use 'excludes', it applies to the whole observation since this
        # is normally the intent. However, here we are excluding values under
        # certain context -- "If the 'name' field is 'NAME' then it must contain
        # a value field 'VALUE'". Excluding name='NAME' everywhere would
        # not permit the context where value='VALUE' which we want to permit.
        verifier_builder = jc.ValueObservationVerifierBuilder(
            title='Test Conditional', strict=True)

        name_eq_pred = jp.PathEqPredicate('name', 'NAME')
        value_eq_pred = jp.PathEqPredicate('value', 'VALUE')

        conditional = jp.IF(name_eq_pred, value_eq_pred)
        pred_list = [jp.PathPredicate('', conditional)]

        verifier_builder.add_constraint(conditional)

        match_name_value_obj = {'name': 'NAME', 'value': 'VALUE'}
        match_value_not_name_obj = {'name': 'GOOD', 'value': 'VALUE'}
        match_neither_obj = {'name': 'GOOD', 'value': 'GOOD'}
        match_name_not_value_obj = {'name': 'NAME', 'value': 'BAD'}  # bad

        test_cases = [(True, [match_name_value_obj, match_neither_obj]),
                      (True, [match_value_not_name_obj, match_neither_obj]),
                      (False, [match_neither_obj, match_name_not_value_obj])]

        context = ExecutionContext()
        verifier = verifier_builder.build()
        for test in test_cases:
            observation = jc.Observation()
            result_builder = jc.ObservationVerifyResultBuilder(observation)

            expect_valid = test[0]
            obj_list = test[1]
            observation.add_all_objects(obj_list)

            result_builder.add_observation_predicate_result(
                jc.ObservationValuePredicate(conditional)(context,
                                                          observation))

            # All of these tests succeed.
            verify_results = result_builder.build(expect_valid)
            try:
                self._try_verify(context, verifier, observation, expect_valid,
                                 verify_results)
            except:
                print 'testing {0}'.format(obj_list)
                raise
Exemplo n.º 22
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def _makeObservationVerifyResult(valid,
                                 good_results=None,
                                 bad_results=None,
                                 failed_constraints=None):
    good_results = good_results or []
    bad_results = bad_results or []
    failed_constraints = failed_constraints or []

    return jc.ObservationVerifyResult(valid=valid,
                                      observation=jc.Observation(),
                                      good_results=[],
                                      bad_results=[],
                                      failed_constraints=[])
Exemplo n.º 23
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    def test_observation_failure_verifier_without_error(self):
        observation = jc.Observation()

        verifier = TestIoErrorFailureVerifier('Test')
        result = verifier(observation)
        self.assertFalse(result.valid)  # Because has no error
        self.assertFalse(result.good_results)
        attempt_list = result.bad_results
        self.assertEqual([
            jp.ObjectResultMapAttempt(
                observation,
                jp.PredicateResult(valid=False,
                                   comment='Observation had no errors.'))
        ], result.bad_results)
Exemplo n.º 24
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    def test_clause_failure(self):
        observation = jc.Observation()
        observation.add_object('B')
        fake_observer = FakeObserver(observation)

        eq_A = jp.STR_EQ('A')
        verifier = jc.ValueObservationVerifier('Has A', constraints=[eq_A])

        clause = jc.ContractClause('TestClause', fake_observer, verifier)

        expect_result = jc.contract.ContractClauseVerifyResult(
            False, clause, verifier(observation))
        result = clause.verify()
        self.assertEqual(expect_result, result)
        self.assertFalse(result)
Exemplo n.º 25
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    def test_clause_success(self):
        context = ExecutionContext()
        observation = jc.Observation()
        observation.add_object('A')
        fake_observer = FakeObserver(observation)

        eq_A = jp.STR_EQ('A')
        verifier = jc.ValueObservationVerifier('Has A', constraints=[eq_A])

        clause = jc.ContractClause('TestClause', fake_observer, verifier)

        expect_result = jc.contract.ContractClauseVerifyResult(
            True, clause, verifier(context, observation))
        result = clause.verify(context)
        self.assertEqual(expect_result, result)
        self.assertTrue(result)
Exemplo n.º 26
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    def test_clause_failure(self):
        context = ExecutionContext()
        observation = jc.Observation()
        observation.add_object('B')
        fake_observer = FakeObserver(observation)

        eq_A = jp.LIST_MATCHES([jp.STR_EQ('A')])
        verifier = jc.ValueObservationVerifierBuilder('Has A').EXPECT(
            eq_A).build()

        clause = jc.ContractClause('TestClause', fake_observer, verifier)

        expect_result = jc.contract.ContractClauseVerifyResult(
            False, clause, verifier(context, observation))
        result = clause.verify(context)
        self.assertEqual(expect_result, result)
        self.assertFalse(result)
Exemplo n.º 27
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    def test_contract_success(self):
        observation = jc.Observation()
        observation.add_object('A')
        fake_observer = FakeObserver(observation)

        eq_A = jp.STR_EQ('A')
        verifier = jc.ValueObservationVerifier('Has A', constraints=[eq_A])

        clause = jc.ContractClause('TestClause', fake_observer, verifier)
        contract = jc.Contract()
        contract.add_clause(clause)

        expect_result = jc.contract.ContractVerifyResult(
            True, [clause.verify()])

        result = contract.verify()
        self.assertEqual(expect_result, result)
        self.assertTrue(result)
Exemplo n.º 28
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    def test_object_observer_map(self):
        # Test no filter.
        context = ExecutionContext()
        observer = jc.ObjectObserver()
        observation = jc.Observation()
        expected = jc.Observation()
        expected.add_object(_NUMBER_DICT)
        observer.filter_all_objects_to_observation(context, [_NUMBER_DICT],
                                                   observation)
        self.assertEqual([_NUMBER_DICT], observation.objects)
        self.assertEqual(expected, observation)

        pred_list = [
            jp.PathEqPredicate('a', 'A'),
            jp.PathEqPredicate('b', 'B')
        ]
        conjunction = jp.AND(pred_list)
        observer = jc.ObjectObserver(conjunction)
        observation = jc.Observation()

        expected = jc.Observation()
        expected.add_object(_LETTER_DICT)
        observer.filter_all_objects_to_observation(context, [_LETTER_DICT],
                                                   observation)
        self.assertEqual([_LETTER_DICT], observation.objects)
        self.assertEqual(expected, observation)

        observation = jc.Observation()
        expected = jc.Observation()
        expected.add_object(_LETTER_DICT)
        expected.add_object(_LETTER_DICT)
        observer.filter_all_objects_to_observation(
            context, [_LETTER_DICT, _NUMBER_DICT, _LETTER_DICT], observation)
        self.assertEqual([_LETTER_DICT, _LETTER_DICT], observation.objects)

        observation = jc.Observation()
        expected = jc.Observation()
        observer.filter_all_objects_to_observation(context, [_NUMBER_DICT],
                                                   observation)
        self.assertEqual([], observation.objects)
        # Note that filtering doesnt observe errors.
        self.assertEqual(expected, observation)
Exemplo n.º 29
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    def test_result_builder_add_bad_result(self):
        observation = jc.Observation()
        observation.add_object('A')

        pred = jp.PathPredicate(None, jp.STR_EQ('B'))
        builder = jc.ObservationVerifyResultBuilder(observation)

        map_pred = jp.MapPredicate(pred)
        map_result = map_pred(observation.objects)
        builder.add_map_result(map_result)
        verify_results = builder.build(False)

        self.assertFalse(verify_results)
        self.assertEqual(observation, verify_results.observation)
        self.assertEqual([], verify_results.good_results)
        self.assertEqual([pred], verify_results.failed_constraints)
        self.assertEqual(map_result.bad_object_result_mappings,
                         verify_results.bad_results)
Exemplo n.º 30
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def _makeObservationVerifyResult(
    valid, observation=None,
    good_results=None, bad_results=None, failed_constraints=None):
  default_result = jp.PredicateResult(valid=valid)
  good_results = good_results or ([default_result] if valid else [])
  bad_results = bad_results or ([] if valid else [default_result])
  failed_constraints = failed_constraints or []

  observation = observation or jc.Observation()
  good_attempt_results = [jp.ObjectResultMapAttempt(observation, result)
                          for result in good_results]
  bad_attempt_results = [jp.ObjectResultMapAttempt(observation, result)
                         for result in bad_results]
  return jc.ObservationVerifyResult(
      valid=valid, observation=observation,
      good_results=good_attempt_results,
      bad_results=bad_attempt_results,
      failed_constraints=failed_constraints)