import pytest

from botocore import model
from botocore.compat import OrderedDict
from tests import unittest


@pytest.mark.parametrize("property_name", ['api_version', 'protocol'])
def test_missing_model_attribute_raises_exception(property_name):
    service_model = model.ServiceModel({'metadata': {'endpointPrefix': 'foo'}})
    with pytest.raises(model.UndefinedModelAttributeError):
        getattr(service_model, property_name)


class TestServiceId(unittest.TestCase):
    def test_hypenize_replaces_spaces(self):
        self.assertEqual(
            model.ServiceId('my service').hyphenize(), 'my-service'
        )

    def test_hyphenize_lower_cases(self):
        self.assertEqual(model.ServiceId('MyService').hyphenize(), 'myservice')


class TestServiceModel(unittest.TestCase):
    def setUp(self):
        self.model = {
            'metadata': {
                'protocol': 'query',
                'endpointPrefix': 'endpoint-prefix',
                'serviceId': 'MyService',
            },
            'documentation': 'Documentation value',
            'operations': {},
            'shapes': {'StringShape': {'type': 'string'}},
        }
        self.error_shapes = {
            'ExceptionOne': {
                'exception': True,
                'type': 'structure',
                'members': {},
            },
            'ExceptionTwo': {
                'exception': True,
                'type': 'structure',
                'members': {},
                'error': {'code': 'FooCode'},
            },
        }
        self.service_model = model.ServiceModel(self.model)

    def test_metadata_available(self):
        # You should be able to access the metadata in a service description
        # through the service model object.
        self.assertEqual(self.service_model.metadata.get('protocol'), 'query')

    def test_service_name_can_be_overriden(self):
        service_model = model.ServiceModel(
            self.model, service_name='myservice'
        )
        self.assertEqual(service_model.service_name, 'myservice')

    def test_service_name_defaults_to_endpoint_prefix(self):
        self.assertEqual(self.service_model.service_name, 'endpoint-prefix')

    def test_service_id(self):
        self.assertEqual(self.service_model.service_id, 'MyService')

    def test_hyphenize_service_id(self):
        self.assertEqual(
            self.service_model.service_id.hyphenize(), 'myservice'
        )

    def test_service_id_does_not_exist(self):
        service_model = {
            'metadata': {
                'protocol': 'query',
                'endpointPrefix': 'endpoint-prefix',
            },
            'documentation': 'Documentation value',
            'operations': {},
            'shapes': {'StringShape': {'type': 'string'}},
        }
        service_name = 'myservice'
        service_model = model.ServiceModel(service_model, service_name)
        with self.assertRaisesRegex(
            model.UndefinedModelAttributeError, service_name
        ):
            service_model.service_id

    def test_operation_does_not_exist(self):
        with self.assertRaises(model.OperationNotFoundError):
            self.service_model.operation_model('NoExistOperation')

    def test_signing_name_defaults_to_endpoint_prefix(self):
        self.assertEqual(self.service_model.signing_name, 'endpoint-prefix')

    def test_documentation_exposed_as_property(self):
        self.assertEqual(
            self.service_model.documentation, 'Documentation value'
        )

    def test_shape_names(self):
        self.assertEqual(self.service_model.shape_names, ['StringShape'])

    def test_repr_has_service_name(self):
        self.assertEqual(
            repr(self.service_model), 'ServiceModel(endpoint-prefix)'
        )

    def test_shape_for_error_code(self):
        self.model['shapes'].update(self.error_shapes)
        self.service_model = model.ServiceModel(self.model)
        shape = self.service_model.shape_for_error_code('ExceptionOne')
        self.assertEqual(shape.name, 'ExceptionOne')
        shape = self.service_model.shape_for_error_code('FooCode')
        self.assertEqual(shape.name, 'ExceptionTwo')

    def test_error_shapes(self):
        self.model['shapes'].update(self.error_shapes)
        self.service_model = model.ServiceModel(self.model)
        error_shapes = self.service_model.error_shapes
        error_shape_names = [shape.name for shape in error_shapes]
        self.assertEqual(len(error_shape_names), 2)
        self.assertIn('ExceptionOne', error_shape_names)
        self.assertIn('ExceptionTwo', error_shape_names)

    def test_client_context_params(self):
        service_model = model.ServiceModel(
            {
                'metadata': {
                    'protocol': 'query',
                    'endpointPrefix': 'endpoint-prefix',
                    'serviceId': 'MyServiceWithClientContextParams',
                },
                'documentation': 'Documentation value',
                'operations': {},
                'shapes': {},
                'clientContextParams': {
                    'stringClientContextParam': {
                        'type': 'string',
                        'documentation': 'str-valued',
                    },
                    'booleanClientContextParam': {
                        'type': 'boolean',
                        'documentation': 'bool-valued',
                    },
                },
            }
        )
        self.assertEqual(len(service_model.client_context_parameters), 2)
        client_ctx_param1 = service_model.client_context_parameters[0]
        client_ctx_param2 = service_model.client_context_parameters[1]
        self.assertEqual(client_ctx_param1.name, 'stringClientContextParam')
        self.assertEqual(client_ctx_param1.type, 'string')
        self.assertEqual(client_ctx_param1.documentation, 'str-valued')
        self.assertEqual(client_ctx_param2.name, 'booleanClientContextParam')

    def test_client_context_params_absent(self):
        self.assertIsInstance(
            self.service_model.client_context_parameters, list
        )
        self.assertEqual(len(self.service_model.client_context_parameters), 0)

    def test_protocol_resolution_without_protocols_trait(self):
        self.assertIsNone(self.service_model.metadata.get('protocols'))
        self.assertEqual(self.service_model.resolved_protocol, 'query')

    def test_protocol_resolution_picks_highest_supported(self):
        self.service_model.metadata['protocols'] = ['query', 'json']
        self.assertEqual(self.service_model.resolved_protocol, 'json')

    def test_protocol_raises_error_for_unsupported_protocol(self):
        self.service_model.metadata['protocols'] = ['wrongprotocol']
        with self.assertRaises(model.UnsupportedServiceProtocolsError):
            self.service_model.resolved_protocol


class TestOperationModelFromService(unittest.TestCase):
    def setUp(self):
        self.model = {
            'metadata': {'protocol': 'query', 'endpointPrefix': 'foo'},
            'documentation': '',
            'operations': {
                'OperationName': {
                    'http': {
                        'method': 'POST',
                        'requestUri': '/',
                    },
                    'name': 'OperationName',
                    'input': {'shape': 'OperationNameRequest'},
                    'output': {
                        'shape': 'OperationNameResponse',
                    },
                    'errors': [{'shape': 'NoSuchResourceException'}],
                    'documentation': 'Docs for OperationName',
                    'authtype': 'v4',
                    'auth': ['aws.auth#sigv4'],
                },
                'OperationTwo': {
                    'http': {
                        'method': 'POST',
                        'requestUri': '/',
                    },
                    'name': 'OperationTwo',
                    'input': {'shape': 'OperationNameRequest'},
                    'output': {
                        'shape': 'OperationNameResponse',
                    },
                    'errors': [{'shape': 'NoSuchResourceException'}],
                    'documentation': 'Docs for OperationTwo',
                },
                'PayloadOperation': {
                    'http': {
                        'method': 'POST',
                        'requestUri': '/',
                    },
                    'name': 'PayloadOperation',
                    'input': {'shape': 'PayloadOperationRequest'},
                    'output': {
                        'shape': 'PayloadOperationResponse',
                    },
                    'errors': [{'shape': 'NoSuchResourceException'}],
                    'documentation': 'Docs for PayloadOperation',
                    'requestcompression': {'encodings': ['gzip']},
                },
                'NoBodyOperation': {
                    'http': {
                        'method': 'GET',
                        'requestUri': '/',
                    },
                    'name': 'NoBodyOperation',
                    'input': {'shape': 'NoBodyOperationRequest'},
                    'output': {
                        'shape': 'OperationNameResponse',
                    },
                    'errors': [{'shape': 'NoSuchResourceException'}],
                    'documentation': 'Docs for NoBodyOperation',
                },
                'ContextParamOperation': {
                    'http': {
                        'method': 'POST',
                        'requestUri': '/',
                    },
                    'name': 'ContextParamOperation',
                    'input': {'shape': 'ContextParamOperationRequest'},
                    'output': {'shape': 'OperationNameResponse'},
                    'errors': [{'shape': 'NoSuchResourceException'}],
                    'documentation': 'Docs for ContextParamOperation',
                    'staticContextParams': {
                        'stringStaticContextParam': {
                            'value': 'Static Context Param Value',
                        },
                        'booleanStaticContextParam': {
                            'value': True,
                        },
                    },
                },
            },
            'shapes': {
                'OperationNameRequest': {
                    'type': 'structure',
                    'members': {
                        'Arg1': {'shape': 'stringType'},
                        'Arg2': {'shape': 'stringType'},
                    },
                },
                'OperationNameResponse': {
                    'type': 'structure',
                    'members': {
                        'String': {
                            'shape': 'stringType',
                        }
                    },
                },
                'PayloadOperationRequest': {
                    'type': 'structure',
                    'members': {
                        'Arg1': {'shape': 'TestConfig'},
                        'Arg2': {'shape': 'stringType'},
                    },
                    'payload': 'Arg1',
                },
                'PayloadOperationResponse': {
                    'type': 'structure',
                    'members': {
                        'String': {
                            'shape': 'stringType',
                        }
                    },
                    'payload': 'String',
                },
                'NoBodyOperationRequest': {
                    'type': 'structure',
                    'members': {
                        'data': {
                            'location': 'header',
                            'locationName': 'x-amz-data',
                            'shape': 'stringType',
                        }
                    },
                },
                'ContextParamOperationRequest': {
                    'type': 'structure',
                    'members': {
                        'ContextParamArg': {
                            'shape': 'stringType',
                            'contextParam': {
                                'name': 'contextParamName',
                            },
                        }
                    },
                    'payload': 'ContextParamArg',
                },
                'NoSuchResourceException': {
                    'type': 'structure',
                    'members': {},
                },
                'stringType': {
                    'type': 'string',
                },
                'TestConfig': {
                    'type': 'structure',
                    'members': {'timeout': {'shape': 'stringType'}},
                },
            },
        }
        self.service_model = model.ServiceModel(self.model)

    def test_wire_name_always_matches_model(self):
        service_model = model.ServiceModel(self.model)
        operation = model.OperationModel(
            self.model['operations']['OperationName'], service_model, 'Foo'
        )
        self.assertEqual(operation.name, 'Foo')
        self.assertEqual(operation.wire_name, 'OperationName')

    def test_operation_name_in_repr(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertIn('OperationName', repr(operation))

    def test_name_and_wire_name_defaults_to_same_value(self):
        service_model = model.ServiceModel(self.model)
        operation = model.OperationModel(
            self.model['operations']['OperationName'], service_model
        )
        self.assertEqual(operation.name, 'OperationName')
        self.assertEqual(operation.wire_name, 'OperationName')

    def test_name_from_service(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertEqual(operation.name, 'OperationName')

    def test_name_from_service_model_when_differs_from_name(self):
        self.model['operations']['Foo'] = self.model['operations'][
            'OperationName'
        ]
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('Foo')
        self.assertEqual(operation.name, 'Foo')

    def test_operation_input_model(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertEqual(operation.name, 'OperationName')
        # Operations should also have a reference to the top level metadata.
        self.assertEqual(operation.metadata['protocol'], 'query')
        self.assertEqual(operation.http['method'], 'POST')
        self.assertEqual(operation.http['requestUri'], '/')
        shape = operation.input_shape
        self.assertEqual(shape.name, 'OperationNameRequest')
        self.assertEqual(list(sorted(shape.members)), ['Arg1', 'Arg2'])

    def test_has_documentation_property(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertEqual(operation.documentation, 'Docs for OperationName')

    def test_service_model_available_from_operation_model(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        # This is an identity comparison because we don't implement
        # __eq__, so we may need to change this in the future.
        self.assertEqual(operation.service_model, service_model)

    def test_operation_output_model(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        output = operation.output_shape
        self.assertEqual(list(output.members), ['String'])
        self.assertFalse(operation.has_streaming_output)

    def test_operation_shape_not_required(self):
        # It's ok if there's no output shape. We'll just get a return value of
        # None.
        del self.model['operations']['OperationName']['output']
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        output_shape = operation.output_shape
        self.assertIsNone(output_shape)

    def test_error_shapes(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        # OperationName only has a NoSuchResourceException
        self.assertEqual(len(operation.error_shapes), 1)
        self.assertEqual(
            operation.error_shapes[0].name, 'NoSuchResourceException'
        )

    def test_has_auth(self):
        operation = self.service_model.operation_model('OperationName')
        self.assertEqual(operation.auth, ["aws.auth#sigv4"])

    def test_auth_not_set(self):
        operation = self.service_model.operation_model('OperationTwo')
        self.assertIsNone(operation.auth)

    def test_has_resolved_auth_type(self):
        operation = self.service_model.operation_model('OperationName')
        self.assertEqual(operation.resolved_auth_type, 'v4')

    def test_resolved_auth_type_not_set(self):
        operation = self.service_model.operation_model('OperationTwo')
        self.assertIsNone(operation.resolved_auth_type)

    def test_has_auth_type(self):
        operation = self.service_model.operation_model('OperationName')
        self.assertEqual(operation.auth_type, 'v4')

    def test_auth_type_not_set(self):
        operation = self.service_model.operation_model('OperationTwo')
        self.assertIsNone(operation.auth_type)

    def test_deprecated_present(self):
        self.model['operations']['OperationName']['deprecated'] = True
        service_model = model.ServiceModel(self.model)
        operation_name = service_model.operation_model('OperationName')
        self.assertTrue(operation_name.deprecated)

    def test_deprecated_present_false(self):
        self.model['operations']['OperationName']['deprecated'] = False
        service_model = model.ServiceModel(self.model)
        operation_name = service_model.operation_model('OperationName')
        self.assertFalse(operation_name.deprecated)

    def test_deprecated_absent(self):
        service_model = model.ServiceModel(self.model)
        operation_two = service_model.operation_model('OperationTwo')
        self.assertFalse(operation_two.deprecated)

    def test_endpoint_operation_present(self):
        self.model['operations']['OperationName']['endpointoperation'] = True
        service_model = model.ServiceModel(self.model)
        operation_name = service_model.operation_model('OperationName')
        self.assertTrue(operation_name.is_endpoint_discovery_operation)

    def test_endpoint_operation_present_false(self):
        self.model['operations']['OperationName']['endpointoperation'] = False
        service_model = model.ServiceModel(self.model)
        operation_name = service_model.operation_model('OperationName')
        self.assertFalse(operation_name.is_endpoint_discovery_operation)

    def test_endpoint_operation_absent(self):
        operation_two = self.service_model.operation_model('OperationName')
        self.assertFalse(operation_two.is_endpoint_discovery_operation)

    def test_endpoint_discovery_required(self):
        operation = self.model['operations']['OperationName']
        operation['endpointdiscovery'] = {'required': True}
        service_model = model.ServiceModel(self.model)
        self.assertTrue(service_model.endpoint_discovery_required)

    def test_endpoint_discovery_required_false(self):
        self.model['operations']['OperationName']['endpointdiscovery'] = {}
        service_model = model.ServiceModel(self.model)
        self.assertFalse(service_model.endpoint_discovery_required)

    def test_endpoint_discovery_required_no_value(self):
        operation = self.model['operations']['OperationName']
        self.assertTrue(operation.get('endpointdiscovery') is None)
        service_model = model.ServiceModel(self.model)
        self.assertFalse(service_model.endpoint_discovery_required)

    def test_endpoint_discovery_present(self):
        operation = self.model['operations']['OperationName']
        operation['endpointdiscovery'] = {'required': True}
        service_model = model.ServiceModel(self.model)
        operation_name = service_model.operation_model('OperationName')
        self.assertTrue(operation_name.endpoint_discovery.get('required'))

    def test_endpoint_discovery_absent(self):
        operation_name = self.service_model.operation_model('OperationName')
        self.assertIsNone(operation_name.endpoint_discovery)

    def test_http_checksum_absent(self):
        operation_name = self.service_model.operation_model('OperationName')
        self.assertEqual(operation_name.http_checksum, {})

    def test_http_checksum_present(self):
        operation = self.model['operations']['OperationName']
        operation['httpChecksum'] = {
            "requestChecksumRequired": True,
            "requestAlgorithmMember": "ChecksumAlgorithm",
            "requestValidationModeMember": "ChecksumMode",
            "responseAlgorithms": [
                "crc32",
                "crc32c",
                "sha256",
                "sha1",
                "sha512",
                "md5",
                "xxhash64",
                "xxhash3",
                "xxhash128",
            ],
        }
        service_model = model.ServiceModel(self.model)
        operation_model = service_model.operation_model('OperationName')
        http_checksum = operation_model.http_checksum
        self.assertEqual(
            http_checksum["requestChecksumRequired"],
            True,
        )
        self.assertEqual(
            http_checksum["requestAlgorithmMember"],
            "ChecksumAlgorithm",
        )
        self.assertEqual(
            http_checksum["requestValidationModeMember"],
            "ChecksumMode",
        )
        self.assertEqual(
            http_checksum["responseAlgorithms"],
            [
                "crc32",
                "crc32c",
                "sha256",
                "sha1",
                "sha512",
                "md5",
                "xxhash64",
                "xxhash3",
                "xxhash128",
            ],
        )

    def test_context_parameter_present(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('ContextParamOperation')
        self.assertEqual(len(operation.context_parameters), 1)
        context_param = operation.context_parameters[0]
        self.assertEqual(context_param.name, 'contextParamName')
        self.assertEqual(context_param.member_name, 'ContextParamArg')

    def test_context_parameter_absent(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationTwo')
        self.assertIsInstance(operation.context_parameters, list)
        self.assertEqual(len(operation.context_parameters), 0)

    def test_static_context_parameter_present(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('ContextParamOperation')
        self.assertEqual(len(operation.static_context_parameters), 2)
        static_ctx_param1 = operation.static_context_parameters[0]
        static_ctx_param2 = operation.static_context_parameters[1]
        self.assertEqual(static_ctx_param1.name, 'stringStaticContextParam')
        self.assertEqual(static_ctx_param1.value, 'Static Context Param Value')
        self.assertEqual(static_ctx_param2.name, 'booleanStaticContextParam')
        self.assertEqual(static_ctx_param2.value, True)

    def test_static_context_parameter_absent(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationTwo')
        self.assertIsInstance(operation.static_context_parameters, list)
        self.assertEqual(len(operation.static_context_parameters), 0)

    def test_request_compression(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('PayloadOperation')
        self.assertEqual(
            operation.request_compression, {'encodings': ['gzip']}
        )


class TestOperationModelEventStreamTypes(unittest.TestCase):
    def setUp(self):
        super().setUp()
        self.model = {
            'metadata': {'protocol': 'rest-xml', 'endpointPrefix': 'foo'},
            'documentation': '',
            'operations': {
                'OperationName': {
                    'http': {
                        'method': 'POST',
                        'requestUri': '/',
                    },
                    'name': 'OperationName',
                    'input': {'shape': 'OperationRequest'},
                    'output': {'shape': 'OperationResponse'},
                }
            },
            'shapes': {
                'NormalStructure': {
                    'type': 'structure',
                    'members': {'Input': {'shape': 'StringType'}},
                },
                'OperationRequest': {
                    'type': 'structure',
                    'members': {
                        'String': {'shape': 'StringType'},
                        "Body": {'shape': 'EventStreamStructure'},
                    },
                    'payload': 'Body',
                },
                'OperationResponse': {
                    'type': 'structure',
                    'members': {
                        'String': {'shape': 'StringType'},
                        "Body": {'shape': 'EventStreamStructure'},
                    },
                    'payload': 'Body',
                },
                'StringType': {'type': 'string'},
                'BlobType': {'type': 'blob'},
                'EventStreamStructure': {
                    'eventstream': True,
                    'type': 'structure',
                    'members': {
                        'EventA': {'shape': 'EventAStructure'},
                        'EventB': {'shape': 'EventBStructure'},
                    },
                },
                'EventAStructure': {
                    'event': True,
                    'type': 'structure',
                    'members': {
                        'Payload': {'shape': 'BlobType', 'eventpayload': True},
                        'Header': {'shape': 'StringType', 'eventheader': True},
                    },
                },
                'EventBStructure': {
                    'event': True,
                    'type': 'structure',
                    'members': {'Records': {'shape': 'StringType'}},
                },
            },
        }

    def update_operation(self, **kwargs):
        operation = self.model['operations']['OperationName']
        operation.update(kwargs)

    def test_event_stream_input_for_operation(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertTrue(operation.has_event_stream_input)
        event_stream_input = operation.get_event_stream_input()
        self.assertEqual(event_stream_input.name, 'EventStreamStructure')

    def test_no_event_stream_input_for_operation(self):
        self.update_operation(input={'shape': 'NormalStructure'})
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertFalse(operation.has_event_stream_input)
        self.assertEqual(operation.get_event_stream_input(), None)

    def test_event_stream_output_for_operation(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertTrue(operation.has_event_stream_output)
        output = operation.get_event_stream_output()
        self.assertEqual(output.name, 'EventStreamStructure')

    def test_no_event_stream_output_for_operation(self):
        self.update_operation(output={'shape': 'NormalStructure'})
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertFalse(operation.has_event_stream_output)
        self.assertEqual(operation.get_event_stream_output(), None)

    def test_no_output_shape(self):
        self.update_operation(output=None)
        del self.model['operations']['OperationName']['output']
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertFalse(operation.has_event_stream_output)
        self.assertEqual(operation.get_event_stream_output(), None)


class TestOperationModelStreamingTypes(unittest.TestCase):
    def setUp(self):
        super().setUp()
        self.model = {
            'metadata': {'protocol': 'query', 'endpointPrefix': 'foo'},
            'documentation': '',
            'operations': {
                'OperationName': {
                    'name': 'OperationName',
                    'input': {
                        'shape': 'OperationRequest',
                    },
                    'output': {
                        'shape': 'OperationResponse',
                    },
                }
            },
            'shapes': {
                'OperationRequest': {
                    'type': 'structure',
                    'members': {
                        'String': {
                            'shape': 'stringType',
                        },
                        "Body": {
                            'shape': 'blobType',
                        },
                    },
                    'payload': 'Body',
                },
                'OperationResponse': {
                    'type': 'structure',
                    'members': {
                        'String': {
                            'shape': 'stringType',
                        },
                        "Body": {
                            'shape': 'blobType',
                        },
                    },
                    'payload': 'Body',
                },
                'stringType': {
                    'type': 'string',
                },
                'blobType': {'type': 'blob'},
            },
        }

    def remove_payload(self, type):
        self.model['shapes']['Operation' + type].pop('payload')

    def test_streaming_input_for_operation(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertTrue(operation.has_streaming_input)
        self.assertEqual(operation.get_streaming_input().name, 'blobType')

    def test_not_streaming_input_for_operation(self):
        self.remove_payload('Request')
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertFalse(operation.has_streaming_input)
        self.assertEqual(operation.get_streaming_input(), None)

    def test_streaming_output_for_operation(self):
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertTrue(operation.has_streaming_output)
        self.assertEqual(operation.get_streaming_output().name, 'blobType')

    def test_not_streaming_output_for_operation(self):
        self.remove_payload('Response')
        service_model = model.ServiceModel(self.model)
        operation = service_model.operation_model('OperationName')
        self.assertFalse(operation.has_streaming_output)
        self.assertEqual(operation.get_streaming_output(), None)


class TestDeepMerge(unittest.TestCase):
    def setUp(self):
        self.shapes = {
            'SetQueueAttributes': {
                'type': 'structure',
                'members': {
                    'MapExample': {
                        'shape': 'StrToStrMap',
                        'locationName': 'Attribute',
                    },
                },
            },
            'SetQueueAttributes2': {
                'type': 'structure',
                'members': {
                    'MapExample': {
                        'shape': 'StrToStrMap',
                        'locationName': 'Attribute2',
                    },
                },
            },
            'StrToStrMap': {
                'type': 'map',
                'key': {'shape': 'StringType', 'locationName': 'Name'},
                'value': {'shape': 'StringType', 'locationName': 'Value'},
                'flattened': True,
                'name': 'NotAttribute',
            },
            'StringType': {'type': 'string'},
        }
        self.shape_resolver = model.ShapeResolver(self.shapes)

    def test_deep_merge(self):
        shape = self.shape_resolver.get_shape_by_name('SetQueueAttributes')
        map_merged = shape.members['MapExample']
        # map_merged has a serialization as a member trait as well as
        # in the StrToStrMap.
        # The member trait should have precedence.
        self.assertEqual(
            map_merged.serialization,
            # member beats the definition.
            {
                'name': 'Attribute',
                # From the definition.
                'flattened': True,
            },
        )
        # Ensure we don't merge/mutate the original dicts.
        self.assertEqual(map_merged.key.serialization['name'], 'Name')
        self.assertEqual(map_merged.value.serialization['name'], 'Value')
        self.assertEqual(map_merged.key.serialization['name'], 'Name')

    def test_merges_copy_dict(self):
        shape = self.shape_resolver.get_shape_by_name('SetQueueAttributes')
        map_merged = shape.members['MapExample']
        self.assertEqual(map_merged.serialization.get('name'), 'Attribute')

        shape2 = self.shape_resolver.get_shape_by_name('SetQueueAttributes2')
        map_merged2 = shape2.members['MapExample']
        self.assertEqual(map_merged2.serialization.get('name'), 'Attribute2')


class TestShapeResolver(unittest.TestCase):
    def test_get_shape_by_name(self):
        shape_map = {
            'Foo': {
                'type': 'structure',
                'members': {
                    'Bar': {'shape': 'StringType'},
                    'Baz': {'shape': 'StringType'},
                },
            },
            "StringType": {"type": "string"},
        }
        resolver = model.ShapeResolver(shape_map)
        shape = resolver.get_shape_by_name('Foo')
        self.assertEqual(shape.name, 'Foo')
        self.assertEqual(shape.type_name, 'structure')

    def test_resolve_shape_reference(self):
        shape_map = {
            'Foo': {
                'type': 'structure',
                'members': {
                    'Bar': {'shape': 'StringType'},
                    'Baz': {'shape': 'StringType'},
                },
            },
            "StringType": {"type": "string"},
        }
        resolver = model.ShapeResolver(shape_map)
        shape = resolver.resolve_shape_ref({'shape': 'StringType'})
        self.assertEqual(shape.name, 'StringType')
        self.assertEqual(shape.type_name, 'string')

    def test_resolve_shape_references_with_member_traits(self):
        shape_map = {
            'Foo': {
                'type': 'structure',
                'members': {
                    'Bar': {'shape': 'StringType'},
                    'Baz': {'shape': 'StringType', 'locationName': 'other'},
                },
            },
            "StringType": {"type": "string"},
        }
        resolver = model.ShapeResolver(shape_map)
        shape = resolver.resolve_shape_ref(
            {'shape': 'StringType', 'locationName': 'other'}
        )
        self.assertEqual(shape.serialization['name'], 'other')
        self.assertEqual(shape.name, 'StringType')

    def test_serialization_cache(self):
        shape_map = {
            'Foo': {
                'type': 'structure',
                'members': {
                    'Baz': {'shape': 'StringType', 'locationName': 'other'},
                },
            },
            "StringType": {"type": "string"},
        }
        resolver = model.ShapeResolver(shape_map)
        shape = resolver.resolve_shape_ref(
            {'shape': 'StringType', 'locationName': 'other'}
        )
        self.assertEqual(shape.serialization['name'], 'other')
        # serialization is computed on demand, and a cache is kept.
        # This is just verifying that trying to access serialization again
        # gives the same result.  We don't actually care that it's cached,
        # we just care that the cache doesn't mess with correctness.
        self.assertEqual(shape.serialization['name'], 'other')

    def test_shape_overrides(self):
        shape_map = {
            "StringType": {
                "type": "string",
                "documentation": "Original documentation",
            }
        }
        resolver = model.ShapeResolver(shape_map)
        shape = resolver.get_shape_by_name('StringType')
        self.assertEqual(shape.documentation, 'Original documentation')

        shape = resolver.resolve_shape_ref(
            {'shape': 'StringType', 'documentation': 'override'}
        )
        self.assertEqual(shape.documentation, 'override')

    def test_shape_type_structure(self):
        shapes = {
            'ChangePasswordRequest': {
                'type': 'structure',
                'members': {
                    'OldPassword': {'shape': 'passwordType'},
                    'NewPassword': {'shape': 'passwordType'},
                },
            },
            'passwordType': {
                "type": "string",
            },
        }
        resolver = model.ShapeResolver(shapes)
        shape = resolver.get_shape_by_name('ChangePasswordRequest')
        self.assertEqual(shape.type_name, 'structure')
        self.assertEqual(shape.name, 'ChangePasswordRequest')
        self.assertEqual(
            list(sorted(shape.members)), ['NewPassword', 'OldPassword']
        )
        self.assertEqual(shape.members['OldPassword'].name, 'passwordType')
        self.assertEqual(shape.members['OldPassword'].type_name, 'string')
        self.assertEqual(shape.error_code, None)

    def test_exception_error_code(self):
        shapes = {
            'FooException': {
                'exception': True,
                'type': 'structure',
                'members': {},
            }
        }
        # Test without explicit error code
        resolver = model.ShapeResolver(shapes)
        shape = resolver.get_shape_by_name('FooException')
        self.assertTrue(shape.metadata['exception'])
        self.assertEqual(shape.error_code, 'FooException')
        # Test with explicit error code
        shapes['FooException']['error'] = {'code': 'ExceptionCode'}
        resolver = model.ShapeResolver(shapes)
        shape = resolver.get_shape_by_name('FooException')
        self.assertTrue(shape.metadata['exception'])
        self.assertEqual(shape.error_code, 'ExceptionCode')

    def test_shape_metadata(self):
        shapes = {
            'ChangePasswordRequest': {
                'type': 'structure',
                'required': ['OldPassword', 'NewPassword'],
                'members': {
                    'OldPassword': {'shape': 'passwordType'},
                    'NewPassword': {'shape': 'passwordType'},
                },
            },
            'passwordType': {
                "type": "string",
                "min": 1,
                "max": 128,
                "pattern": ".*",
                "sensitive": True,
            },
        }
        resolver = model.ShapeResolver(shapes)
        shape = resolver.get_shape_by_name('ChangePasswordRequest')
        self.assertEqual(
            shape.metadata['required'], ['OldPassword', 'NewPassword']
        )
        member = shape.members['OldPassword']
        self.assertEqual(member.metadata['min'], 1)
        self.assertEqual(member.metadata['max'], 128)
        self.assertEqual(member.metadata['pattern'], '.*')
        self.assertEqual(member.metadata['sensitive'], True)

    def test_error_shape_metadata(self):
        shapes = {
            'ResourceNotFoundException': {
                'type': 'structure',
                'members': {
                    'message': {
                        'shape': 'ErrorMessage',
                    }
                },
                'exception': True,
                'retryable': {'throttling': True},
            }
        }
        resolver = model.ShapeResolver(shapes)
        shape = resolver.get_shape_by_name('ResourceNotFoundException')
        self.assertEqual(
            shape.metadata,
            {'exception': True, 'retryable': {'throttling': True}},
        )

    def test_shape_list(self):
        shapes = {
            'mfaDeviceListType': {
                "type": "list",
                "member": {"shape": "MFADevice"},
            },
            'MFADevice': {
                'type': 'structure',
                'members': {'UserName': {'shape': 'userNameType'}},
            },
            'userNameType': {'type': 'string'},
        }
        resolver = model.ShapeResolver(shapes)
        shape = resolver.get_shape_by_name('mfaDeviceListType')
        self.assertEqual(shape.member.type_name, 'structure')
        self.assertEqual(shape.member.name, 'MFADevice')
        self.assertEqual(list(shape.member.members), ['UserName'])

    def test_shape_does_not_exist(self):
        resolver = model.ShapeResolver({})
        with self.assertRaises(model.NoShapeFoundError):
            resolver.get_shape_by_name('NoExistShape')

    def test_missing_type_key(self):
        shapes = {'UnknownType': {'NotTheTypeKey': 'someUnknownType'}}
        resolver = model.ShapeResolver(shapes)
        with self.assertRaises(model.InvalidShapeError):
            resolver.get_shape_by_name('UnknownType')

    def test_bad_shape_ref(self):
        # This is an example of a denormalized model,
        # which should raise an exception.
        shapes = {
            'Struct': {
                'type': 'structure',
                'members': {
                    'A': {'type': 'string'},
                    'B': {'type': 'string'},
                },
            }
        }
        resolver = model.ShapeResolver(shapes)
        with self.assertRaises(model.InvalidShapeReferenceError):
            struct = resolver.get_shape_by_name('Struct')
            # Resolving the members will fail because
            # the 'A' and 'B' members are not shape refs.
            struct.members

    def test_shape_name_in_repr(self):
        shapes = {
            'StringType': {
                'type': 'string',
            }
        }
        resolver = model.ShapeResolver(shapes)
        self.assertIn(
            'StringType', repr(resolver.get_shape_by_name('StringType'))
        )


class TestBuilders(unittest.TestCase):
    def test_structure_shape_builder_with_scalar_types(self):
        b = model.DenormalizedStructureBuilder()
        shape = b.with_members(
            {
                'A': {'type': 'string'},
                'B': {'type': 'integer'},
            }
        ).build_model()
        self.assertIsInstance(shape, model.StructureShape)
        self.assertEqual(sorted(list(shape.members)), ['A', 'B'])
        self.assertEqual(shape.members['A'].type_name, 'string')
        self.assertEqual(shape.members['B'].type_name, 'integer')

    def test_structure_shape_with_structure_type(self):
        b = model.DenormalizedStructureBuilder()
        shape = b.with_members(
            {
                'A': {
                    'type': 'structure',
                    'members': {
                        'A-1': {'type': 'string'},
                    },
                },
            }
        ).build_model()
        self.assertIsInstance(shape, model.StructureShape)
        self.assertEqual(list(shape.members), ['A'])
        self.assertEqual(shape.members['A'].type_name, 'structure')
        self.assertEqual(list(shape.members['A'].members), ['A-1'])

    def test_structure_shape_with_list(self):
        b = model.DenormalizedStructureBuilder()
        shape = b.with_members(
            {
                'A': {'type': 'list', 'member': {'type': 'string'}},
            }
        ).build_model()
        self.assertIsInstance(shape.members['A'], model.ListShape)
        self.assertEqual(shape.members['A'].member.type_name, 'string')

    def test_structure_shape_with_map_type(self):
        b = model.DenormalizedStructureBuilder()
        shape = b.with_members(
            {
                'A': {
                    'type': 'map',
                    'key': {'type': 'string'},
                    'value': {'type': 'string'},
                }
            }
        ).build_model()
        self.assertIsInstance(shape.members['A'], model.MapShape)
        map_shape = shape.members['A']
        self.assertEqual(map_shape.key.type_name, 'string')
        self.assertEqual(map_shape.value.type_name, 'string')

    def test_nested_structure(self):
        b = model.DenormalizedStructureBuilder()
        shape = b.with_members(
            {
                'A': {
                    'type': 'structure',
                    'members': {
                        'B': {
                            'type': 'structure',
                            'members': {
                                'C': {
                                    'type': 'string',
                                }
                            },
                        }
                    },
                }
            }
        ).build_model()
        self.assertEqual(
            shape.members['A'].members['B'].members['C'].type_name, 'string'
        )

    def test_enum_values_on_string_used(self):
        b = model.DenormalizedStructureBuilder()
        enum_values = ['foo', 'bar', 'baz']
        shape = b.with_members(
            {
                'A': {
                    'type': 'string',
                    'enum': enum_values,
                },
            }
        ).build_model()
        self.assertIsInstance(shape, model.StructureShape)
        string_shape = shape.members['A']
        self.assertIsInstance(string_shape, model.StringShape)
        self.assertEqual(string_shape.metadata['enum'], enum_values)
        self.assertEqual(string_shape.enum, enum_values)

    def test_documentation_on_shape_used(self):
        b = model.DenormalizedStructureBuilder()
        shape = b.with_members(
            {
                'A': {
                    'type': 'string',
                    'documentation': 'MyDocs',
                },
            }
        ).build_model()
        self.assertEqual(shape.members['A'].documentation, 'MyDocs')

    def test_min_max_used_in_metadata(self):
        b = model.DenormalizedStructureBuilder()
        shape = b.with_members(
            {
                'A': {
                    'type': 'string',
                    'documentation': 'MyDocs',
                    'min': 2,
                    'max': 3,
                },
            }
        ).build_model()
        metadata = shape.members['A'].metadata
        self.assertEqual(metadata.get('min'), 2)
        self.assertEqual(metadata.get('max'), 3)

    def test_use_shape_name_when_provided(self):
        b = model.DenormalizedStructureBuilder()
        shape = b.with_members(
            {
                'A': {
                    'type': 'string',
                    'shape_name': 'MyStringShape',
                },
            }
        ).build_model()
        self.assertEqual(shape.members['A'].name, 'MyStringShape')

    def test_unknown_shape_type(self):
        b = model.DenormalizedStructureBuilder()
        with self.assertRaises(model.InvalidShapeError):
            b.with_members(
                {
                    'A': {
                        'type': 'brand-new-shape-type',
                    },
                }
            ).build_model()

    def test_ordered_shape_builder(self):
        b = model.DenormalizedStructureBuilder()
        shape = b.with_members(
            OrderedDict(
                [
                    ('A', {'type': 'string'}),
                    (
                        'B',
                        {
                            'type': 'structure',
                            'members': OrderedDict(
                                [
                                    ('C', {'type': 'string'}),
                                    ('D', {'type': 'string'}),
                                ]
                            ),
                        },
                    ),
                ]
            )
        ).build_model()

        # Members should be in order
        self.assertEqual(['A', 'B'], list(shape.members.keys()))

        # Nested structure members should *also* stay ordered
        self.assertEqual(['C', 'D'], list(shape.members['B'].members.keys()))


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