C# ODataMessageWrapper类代码示例

        public void ODataEntityReferenceLinkSerializer_Serializes_UrisAndEntityReferenceLinks(object uris)
        {
            // Arrange
            ODataEntityReferenceLinksSerializer serializer = new ODataEntityReferenceLinksSerializer();
            ODataSerializerContext writeContext = new ODataSerializerContext();
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);

            ODataMessageWriterSettings settings = new ODataMessageWriterSettings
            {
                ODataUri = new ODataUri { ServiceRoot = new Uri("http://any/") }
            };

            settings.SetContentType(ODataFormat.Json);
            ODataMessageWriter writer = new ODataMessageWriter(message, settings);

            // Act
            serializer.WriteObject(uris, typeof(ODataEntityReferenceLinks), writer, writeContext);
            stream.Seek(0, SeekOrigin.Begin);
            string result = new StreamReader(stream).ReadToEnd();

            // Assert
            Assert.Equal("{\"@odata.context\":\"http://any/$metadata#Collection($ref)\"," +
                "\"value\":[{\"@odata.id\":\"http://uri1/\"},{\"@odata.id\":\"http://uri2/\"}]}",
                result);
        }

        public void Can_deserialize_payload_with_primitive_parameters()
        {
            string actionName = "Primitive";
            int quantity = 1;
            string productCode = "PCode";
            string body = "{" + string.Format(@" ""Quantity"": {0} , ""ProductCode"": ""{1}"" ", quantity, productCode) + "}";

            ODataMessageWrapper message = new ODataMessageWrapper(GetStringAsStream(body));
            message.SetHeader("Content-Type", "application/json;odata=verbose");

            IEdmModel model = GetModel();
            ODataMessageReader reader = new ODataMessageReader(message as IODataRequestMessage, new ODataMessageReaderSettings(), model);
            ODataActionPayloadDeserializer deserializer = new ODataActionPayloadDeserializer(new DefaultODataDeserializerProvider());
            ODataPath path = CreatePath(model, actionName);
            ODataDeserializerContext context = new ODataDeserializerContext { Path = path, Model = model };
            ODataActionParameters payload = deserializer.Read(reader, context) as ODataActionParameters;

            Assert.NotNull(payload);
            Assert.Same(
                model.EntityContainers().Single().FunctionImports().SingleOrDefault(f => f.Name == "Primitive"),
                ODataActionPayloadDeserializer.GetFunctionImport(context));
            Assert.True(payload.ContainsKey("Quantity"));
            Assert.Equal(quantity, payload["Quantity"]);
            Assert.True(payload.ContainsKey("ProductCode"));
            Assert.Equal(productCode, payload["ProductCode"]);
        }

        public void WriteObject_Calls_CreateODataComplexValue()
        {
            // Arrange
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);
            ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
            settings.SetServiceDocumentUri(new Uri("http://any/"));
            settings.SetContentType(ODataFormat.Atom);
            ODataMessageWriter messageWriter = new ODataMessageWriter(message, settings);
            Mock<ODataComplexTypeSerializer> serializer = new Mock<ODataComplexTypeSerializer>(new DefaultODataSerializerProvider());
            ODataSerializerContext writeContext = new ODataSerializerContext { RootElementName = "ComplexPropertyName", Model = _model };
            object graph = new object();
            ODataComplexValue complexValue = new ODataComplexValue
            {
                TypeName = "NS.Name",
                Properties = new[] { new ODataProperty { Name = "Property1", Value = 42 } }
            };

            serializer.CallBase = true;
            serializer.Setup(s => s.CreateODataComplexValue(graph, It.Is<IEdmComplexTypeReference>(e => e.Definition == _addressType), writeContext))
                .Returns(complexValue).Verifiable();

            // Act
            serializer.Object.WriteObject(graph, typeof(Address), messageWriter, writeContext);

            // Assert
            serializer.Verify();
            stream.Seek(0, SeekOrigin.Begin);
            XElement element = XElement.Load(stream);
            Assert.Equal("value", element.Name.LocalName);
            Assert.Equal("#NS.Name", element.Attributes().Single(a => a.Name.LocalName == "type").Value);
            Assert.Equal(1, element.Descendants().Count());
            Assert.Equal("42", element.Descendants().Single().Value);
            Assert.Equal("Property1", element.Descendants().Single().Name.LocalName);
        }

        public void Can_deserialize_payload_with_complex_parameters()
        {
            string actionName = "Complex";
            string body = @"{ ""Quantity"": 1 , ""Address"": { ""StreetAddress"":""1 Microsoft Way"", ""City"": ""Redmond"", ""State"": ""WA"", ""ZipCode"": 98052 } }";

            ODataMessageWrapper message = new ODataMessageWrapper(GetStringAsStream(body));
            message.SetHeader("Content-Type", "application/json;odata=verbose");
            IEdmModel model = GetModel();
            ODataMessageReader reader = new ODataMessageReader(message as IODataRequestMessage, new ODataMessageReaderSettings(), model);

            ODataActionPayloadDeserializer deserializer = new ODataActionPayloadDeserializer(typeof(ODataActionParameters), new DefaultODataDeserializerProvider(model));
            string url = "http://server/service/Customers(10)/" + actionName;
            HttpRequestMessage request = GetPostRequest(url);
            ODataDeserializerContext context = new ODataDeserializerContext { Request = request, Model = model };
            ODataActionParameters payload = deserializer.Read(reader, context) as ODataActionParameters;

            Assert.NotNull(payload);
            Assert.Same(model.EntityContainers().Single().FunctionImports().SingleOrDefault(f => f.Name == "Complex"), payload.GetFunctionImport(context));
            Assert.True(payload.ContainsKey("Quantity"));
            Assert.Equal(1, payload["Quantity"]);
            Assert.True(payload.ContainsKey("Address"));
            MyAddress address = payload["Address"] as MyAddress;
            Assert.NotNull(address);
            Assert.Equal("1 Microsoft Way", address.StreetAddress);
            Assert.Equal("Redmond", address.City);
            Assert.Equal("WA", address.State);
            Assert.Equal(98052, address.ZipCode);
        }

        public void WriteObject_WritesValueReturnedFrom_CreateODataCollectionValue()
        {
            // Arrange
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);
            ODataMessageWriter messageWriter = new ODataMessageWriter(message);
            Mock<ODataCollectionSerializer> serializer = new Mock<ODataCollectionSerializer>(new DefaultODataSerializerProvider());
            ODataSerializerContext writeContext = new ODataSerializerContext { RootElementName = "CollectionName", Model = _model };
            IEnumerable enumerable = new object[0];
            ODataCollectionValue collectionValue = new ODataCollectionValue { TypeName = "NS.Name", Items = new[] { 0, 1, 2 } };

            serializer.CallBase = true;
            serializer
                .Setup(s => s.CreateODataCollectionValue(enumerable, It.Is<IEdmTypeReference>(e => e.Definition == _edmIntType.Definition), writeContext))
                .Returns(collectionValue).Verifiable();

            // Act
            serializer.Object.WriteObject(enumerable, typeof(int[]), messageWriter, writeContext);

            // Assert
            serializer.Verify();
            stream.Seek(0, SeekOrigin.Begin);
            XElement element = XElement.Load(stream);
            Assert.Equal("CollectionName", element.Name.LocalName);
            Assert.Equal(3, element.Descendants().Count());
            Assert.Equal(new[] { "0", "1", "2" }, element.Descendants().Select(e => e.Value));
        }

        public void WriteObject_WritesValueReturnedFrom_CreateODataCollectionValue()
        {
            // Arrange
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);
            ODataMessageWriterSettings settings = new ODataMessageWriterSettings()
            {
                ODataUri = new ODataUri { ServiceRoot = new Uri("http://any/") }
            };

            settings.SetContentType(ODataFormat.Json);

            ODataMessageWriter messageWriter = new ODataMessageWriter(message, settings);
            Mock<ODataCollectionSerializer> serializer = new Mock<ODataCollectionSerializer>(new DefaultODataSerializerProvider());
            ODataSerializerContext writeContext = new ODataSerializerContext { RootElementName = "CollectionName", Model = _model };
            IEnumerable enumerable = new object[0];
            ODataCollectionValue collectionValue = new ODataCollectionValue { TypeName = "NS.Name", Items = new[] { 0, 1, 2 } };

            serializer.CallBase = true;
            serializer
                .Setup(s => s.CreateODataCollectionValue(enumerable, It.Is<IEdmTypeReference>(e => e.Definition == _edmIntType.Definition), writeContext))
                .Returns(collectionValue).Verifiable();

            // Act
            serializer.Object.WriteObject(enumerable, typeof(int[]), messageWriter, writeContext);

            // Assert
            serializer.Verify();
            stream.Seek(0, SeekOrigin.Begin);
            string result = new StreamReader(stream).ReadToEnd();
            Assert.Equal("{\"@odata.context\":\"http://any/$metadata#Collection(Edm.Int32)\",\"value\":[0,1,2]}", result);
        }

        public void Can_deserialize_payload_with_primitive_collection_parameters()
        {
            string actionName = "PrimitiveCollection";
            string body = @"{ ""Name"": ""Avatar"", ""Ratings"": [ 5, 5, 3, 4, 5, 5, 4, 5, 5, 4 ] }";
            int[] expectedRatings = new int[] { 5, 5, 3, 4, 5, 5, 4, 5, 5, 4 };
            ODataMessageWrapper message = new ODataMessageWrapper(GetStringAsStream(body));
            message.SetHeader("Content-Type", "application/json;odata=verbose");
            IEdmModel model = GetModel();
            ODataMessageReader reader = new ODataMessageReader(message as IODataRequestMessage, new ODataMessageReaderSettings(), model);

            ODataActionPayloadDeserializer deserializer = new ODataActionPayloadDeserializer(typeof(ODataActionParameters), new DefaultODataDeserializerProvider(model));
            string url = "http://server/service/EntitySet(key)/" + actionName;
            HttpRequestMessage request = GetPostRequest(url);
            ODataDeserializerContext context = new ODataDeserializerContext { Request = request, Model = model };
            ODataActionParameters payload = deserializer.Read(reader, context) as ODataActionParameters;

            Assert.NotNull(payload);
            Assert.Same(model.EntityContainers().Single().FunctionImports().SingleOrDefault(f => f.Name == "PrimitiveCollection"), payload.GetFunctionImport(context));
            Assert.True(payload.ContainsKey("Name"));
            Assert.Equal("Avatar", payload["Name"]);
            Assert.True(payload.ContainsKey("Ratings"));
            IList<int> ratings = payload["Ratings"] as IList<int>;
            Assert.Equal(10, ratings.Count);
            Assert.True(expectedRatings.Zip(ratings, (expected, actual) => expected - actual).All(diff => diff == 0));
        }

        public void WriteObject_Calls_CreateODataComplexValue()
        {
            // Arrange
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);

            ODataMessageWriterSettings settings = new ODataMessageWriterSettings
            {
                ODataUri = new ODataUri { ServiceRoot = new Uri("http://any/"), }
            };
            settings.SetContentType(ODataFormat.Json);

            ODataMessageWriter messageWriter = new ODataMessageWriter(message, settings);
            Mock<ODataComplexTypeSerializer> serializer = new Mock<ODataComplexTypeSerializer>(new DefaultODataSerializerProvider());
            ODataSerializerContext writeContext = new ODataSerializerContext { RootElementName = "ComplexPropertyName", Model = _model };
            object graph = new object();
            ODataComplexValue complexValue = new ODataComplexValue
            {
                TypeName = "NS.Name",
                Properties = new[] { new ODataProperty { Name = "Property1", Value = 42 } }
            };

            serializer.CallBase = true;
            serializer.Setup(s => s.CreateODataComplexValue(graph, It.Is<IEdmComplexTypeReference>(e => e.Definition == _addressType), writeContext))
                .Returns(complexValue).Verifiable();

            // Act
            serializer.Object.WriteObject(graph, typeof(Address), messageWriter, writeContext);

            // Assert
            serializer.Verify();
            stream.Seek(0, SeekOrigin.Begin);
            string result = new StreamReader(stream).ReadToEnd();
            Assert.Equal("{\"@odata.context\":\"http://any/$metadata#NS.Name\",\"Property1\":42}", result);
        }

        public void ODataWorkspaceSerializer_Works()
        {
            // Arrange
            ODataWorkspaceSerializer serializer = new ODataWorkspaceSerializer();
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);

            // Act
            serializer.WriteObject(new ODataWorkspace(), _workspaceType, new ODataMessageWriter(message), new ODataSerializerContext());

            // Assert
            stream.Seek(0, SeekOrigin.Begin);
            XElement element = XElement.Load(stream);
            Assert.Equal("service", element.Name.LocalName);
        }

        public void ODataErrorSerializer_Works()
        {
            // Arrange
            ODataErrorSerializer serializer = new ODataErrorSerializer();
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);
            ODataError error = new ODataError { Message = "Error!!!" };

            // Act
            serializer.WriteObject(error, new ODataMessageWriter(message), new ODataSerializerContext());

            // Assert
            stream.Seek(0, SeekOrigin.Begin);
            XElement element = XElement.Load(stream);
            Assert.Equal("Error!!!", element.Descendants().Single(e => e.Name.LocalName == "message").Value);
        }

        public void ODataMetadataSerializer_Works()
        {
            // Arrange
            ODataMetadataSerializer serializer = new ODataMetadataSerializer();
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);
            ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
            IEdmModel model = new EdmModel();

            // Act
            serializer.WriteObject("42", typeof(IEdmModel), new ODataMessageWriter(message, settings, model), new ODataSerializerContext());

            // Assert
            stream.Seek(0, SeekOrigin.Begin);
            XElement element = XElement.Load(stream);
            Assert.Equal("Edmx", element.Name.LocalName);
        }

        public void ODataWorkspaceSerializer_Works()
        {
            // Arrange
            ODataServiceDocumentSerializer serializer = new ODataServiceDocumentSerializer();
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);
            ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
            settings.SetServiceDocumentUri(new Uri("http://any/"));
            settings.SetContentType(ODataFormat.Atom);
            ODataMessageWriter writer = new ODataMessageWriter(message, settings);

            // Act
            serializer.WriteObject(new ODataServiceDocument(), _workspaceType, writer, new ODataSerializerContext());

            // Assert
            stream.Seek(0, SeekOrigin.Begin);
            XElement element = XElement.Load(stream);
            Assert.Equal("service", element.Name.LocalName);
        }

        public void ODataErrorSerializer_Works()
        {
            // Arrange
            ODataErrorSerializer serializer = new ODataErrorSerializer();
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);
            ODataError error = new ODataError { Message = "Error!!!" };
            ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
            settings.SetContentType(ODataFormat.Json);
            ODataMessageWriter writer = new ODataMessageWriter(message, settings);

            // Act
            serializer.WriteObject(error, typeof(ODataError), writer, new ODataSerializerContext());
            stream.Seek(0, SeekOrigin.Begin);
            string result = new StreamReader(stream).ReadToEnd();

            // Assert
            Assert.Equal("{\"error\":{\"code\":\"\",\"message\":\"Error!!!\"}}", result);
        }

        public void ODataMetadataSerializer_Works_ForSingleton()
        {
            // Arrange
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            builder.Singleton<Customer>("Me");
            builder.EntitySet<Order>("MyOrders");
            IEdmModel model = builder.GetEdmModel();

            ODataMetadataSerializer serializer = new ODataMetadataSerializer();
            MemoryStream stream = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);
            ODataMessageWriterSettings settings = new ODataMessageWriterSettings();

            // Act
            serializer.WriteObject(model, typeof(IEdmModel), new ODataMessageWriter(message, settings, model), new ODataSerializerContext());

            // Assert
            stream.Seek(0, SeekOrigin.Begin);
            string result = new StreamReader(stream).ReadToEnd();
            Assert.Contains("<Singleton Name=\"Me\" Type=\"System.Web.OData.Formatter.Serialization.Models.Customer\">", result);
        }

        public void Read_Primitive(object obj)
        {
            // Arrange
            IEdmPrimitiveTypeReference primitive = EdmLibHelpers.GetEdmPrimitiveTypeReferenceOrNull(typeof(int));

            ODataPrimitiveSerializer serializer = new ODataPrimitiveSerializer(primitive);
            ODataPrimitiveDeserializer deserializer = new ODataPrimitiveDeserializer(primitive);

            MemoryStream stream = new MemoryStream();
            ODataMessageWrapper message = new ODataMessageWrapper(stream);

            serializer.WriteObject(
                obj,
                new ODataMessageWriter(message as IODataResponseMessage, new ODataMessageWriterSettings(), EdmCoreModel.Instance),
                new ODataSerializerContext { RootElementName = "Property" });
            stream.Seek(0, SeekOrigin.Begin);
            Assert.Equal(
                obj,
                deserializer.Read(
                new ODataMessageReader(message as IODataResponseMessage, new ODataMessageReaderSettings(), EdmCoreModel.Instance),
                new ODataDeserializerContext()));
        }