C# Deserialization.ODataEntityDeserializer類代碼示例

 public void Read_ThrowsArgumentNull_MessageReader()
 {
     var deserializer = new ODataEntityDeserializer(_productEdmType, _deserializerProvider);
     Assert.ThrowsArgumentNull(
         () => deserializer.Read(messageReader: null, readContext: _readContext),
         "messageReader");
 }

 public void Read_ThrowsArgument_EntitysetMissing()
 {
     var deserializer = new ODataEntityDeserializer(_deserializerProvider);
     Assert.Throws<SerializationException>(
         () => deserializer.Read(ODataTestUtil.GetMockODataMessageReader(), typeof(Product), new ODataDeserializerContext { Path = new ODataPath() }),
         "The related entity set could not be found from the OData path. The related entity set is required to deserialize the payload.");
 }

 public void Read_ThrowsArgumentNull_ReadContext()
 {
     var deserializer = new ODataEntityDeserializer(_productEdmType, _deserializerProvider);
     Assert.ThrowsArgumentNull(
         () => deserializer.Read(messageReader: ODataTestUtil.GetMockODataMessageReader(), readContext: null),
         "readContext");
 }

 public void Read_ThrowsArgument_ODataPathMissing()
 {
     var deserializer = new ODataEntityDeserializer(_productEdmType, _deserializerProvider);
     Assert.ThrowsArgument(
         () => deserializer.Read(ODataTestUtil.GetMockODataMessageReader(), new ODataDeserializerContext()),
         "readContext",
         "The operation cannot be completed because no ODataPath is available for the request.");
 }

 /// <summary>
 /// Initializes a new instance of the <see cref="DefaultODataDeserializerProvider"/> class.
 /// </summary>
 public DefaultODataDeserializerProvider()
 {
     _actionPayloadDeserializer = new ODataActionPayloadDeserializer(this);
     _entityDeserializer = new ODataEntityDeserializer(this);
     _feedDeserializer = new ODataFeedDeserializer(this);
     _collectionDeserializer = new ODataCollectionDeserializer(this);
     _complexDeserializer = new ODataComplexTypeDeserializer(this);
 }

        public void Read_Throws_On_UnknownEntityType()
        {
            IEdmEntityType supplierEntityType = EdmTestHelpers.GetModel().FindType("ODataDemo.Supplier") as IEdmEntityType;

            ODataEntityDeserializer deserializer = new ODataEntityDeserializer(_productEdmType, _deserializerProvider);

            Assert.Throws<ODataException>(
                () => deserializer.Read(GetODataMessageReader(GetODataMessage(BaselineResource.SuppliersInsertData), _edmModel), _readContext),
                "An entry with type 'ODataDemo.Supplier' was found, but it is not assignable to the expected type 'ODataDemo.Product'. The type specified in the entry must be equal to either the expected type or a derived type.");
        }

        public void ReadFromStreamAsync()
        {
            ODataEntityDeserializer deserializer = new ODataEntityDeserializer(_productEdmType, _deserializerProvider);
            Product product = deserializer.Read(GetODataMessageReader(GetODataMessage(BaselineResource.ProductInsertData), _edmModel), _readContext) as Product;

            Assert.Equal(product.ID, 0);
            Assert.Equal(product.Rating, 4);
            Assert.Equal(product.Price, 2.5m);
            Assert.Equal(product.ReleaseDate, new DateTime(1992, 1, 1, 0, 0, 0));
            Assert.Null(product.DiscontinuedDate);
        }

        private void ReadFromStreamAsync(string content, bool json)
        {
            ODataEntityDeserializer deserializer = new ODataEntityDeserializer(_productEdmType, _deserializerProvider);
            Product product = deserializer.Read(GetODataMessageReader(GetODataMessage(content, json), _edmModel),
                _readContext) as Product;

            Assert.Equal(product.ID, 0);
            Assert.Equal(product.Rating, 4);
            Assert.Equal(product.Price, 2.5m);
            Assert.Equal(product.ReleaseDate, new DateTime(1992, 1, 1, 0, 0, 0));
            Assert.Null(product.DiscontinuedDate);
        }

        public void Read_PatchMode()
        {
            IEdmEntityType supplierEntityType = EdmTestHelpers.GetModel().FindType("ODataDemo.Supplier") as IEdmEntityType;
            _readContext.IsPatchMode = true;

            ODataEntityDeserializer deserializer = new ODataEntityDeserializer(_supplierEdmType, _deserializerProvider);
            Delta<Supplier> supplier = deserializer.Read(GetODataMessageReader(GetODataMessage(BaselineResource.SuppliersPatchData), _edmModel), _readContext) as Delta<Supplier>;

            Assert.NotNull(supplier);
            Assert.Equal(supplier.GetChangedPropertyNames(), new string[] { "Name", "Address" });

            Assert.Equal((supplier as dynamic).Name, "Supplier Name");
            Assert.Equal("Supplier City", (supplier as dynamic).Address.City);
            Assert.Equal("123456", (supplier as dynamic).Address.ZipCode);
        }

        public void ReadFromStreamAsync_ComplexTypeAndInlineData()
        {
            IEdmEntityType supplierEntityType = EdmTestHelpers.GetModel().FindType("ODataDemo.Supplier") as IEdmEntityType;

            ODataEntityDeserializer deserializer = new ODataEntityDeserializer(_supplierEdmType, _deserializerProvider);
            Supplier supplier = deserializer.Read(GetODataMessageReader(GetODataMessage(BaselineResource.SuppliersInsertData), _edmModel), _readContext) as Supplier;

            Assert.Equal(supplier.Name, "Supplier Name");

            Assert.NotNull(supplier.Products);
            Assert.Equal(6, supplier.Products.Count);
            Assert.Equal("soda", supplier.Products.ToList()[1].Name);

            Assert.NotNull(supplier.Address);
            Assert.Equal("Supplier City", supplier.Address.City);
            Assert.Equal("123456", supplier.Address.ZipCode);
        }

        public void ReadEntry_ThrowsSerializationException_TypeCannotBeDeserialized()
        {
            Mock<ODataDeserializerProvider> deserializerProvider = new Mock<ODataDeserializerProvider>();
            deserializerProvider.Setup(d => d.GetEdmTypeDeserializer(It.IsAny<IEdmTypeReference>())).Returns<ODataEdmTypeDeserializer>(null);
            var deserializer = new ODataEntityDeserializer(_productEdmType, deserializerProvider.Object);
            ODataEntryWithNavigationLinks entry = new ODataEntryWithNavigationLinks(new ODataEntry { TypeName = _supplierEdmType.FullName() });

            Assert.Throws<SerializationException>(
                () => deserializer.ReadEntry(entry, _readContext),
                "'ODataDemo.Supplier' cannot be deserialized using the ODataMediaTypeFormatter.");
        }

 public void CreateEntityResource_ThrowsArgumentNull_ReadContext()
 {
     var deserializer = new ODataEntityDeserializer(_productEdmType, _deserializerProvider);
     Assert.ThrowsArgumentNull(
         () => deserializer.CreateEntityResource(readContext: null),
         "readContext");
 }

        public void ReadEntry_DispatchesToRightDeserializer_IfEntityTypeNameIsDifferent()
        {
            // Arrange
            Mock<ODataEdmTypeDeserializer> supplierDeserializer = new Mock<ODataEdmTypeDeserializer>(_supplierEdmType, ODataPayloadKind.Entry);
            Mock<ODataDeserializerProvider> deserializerProvider = new Mock<ODataDeserializerProvider>();
            var deserializer = new ODataEntityDeserializer(_productEdmType, deserializerProvider.Object);
            ODataEntryWithNavigationLinks entry = new ODataEntryWithNavigationLinks(new ODataEntry { TypeName = _supplierEdmType.FullName() });

            deserializerProvider.Setup(d => d.GetEdmTypeDeserializer(It.IsAny<IEdmTypeReference>())).Returns(supplierDeserializer.Object);
            supplierDeserializer.Setup(d => d.ReadInline(entry, _readContext)).Returns(42).Verifiable();

            // Act
            object result = deserializer.ReadEntry(entry, _readContext);

            // Assert
            Assert.Equal(42, result);
            supplierDeserializer.Verify();
        }

        private void Read_ThrowsOnUnknownEntityType(string content, bool json, string expectedMessage)
        {
            IEdmEntityType supplierEntityType =
                EdmTestHelpers.GetModel().FindType("ODataDemo.Supplier") as IEdmEntityType;

            ODataEntityDeserializer deserializer = new ODataEntityDeserializer(_productEdmType, _deserializerProvider);

            Assert.Throws<ODataException>(() => deserializer.Read(GetODataMessageReader(GetODataMessage(content, json),
                _edmModel), _readContext), expectedMessage);
        }

 public void CreateEntityResource_ThrowsArgument_ModelMissingFromReadContext()
 {
     var deserializer = new ODataEntityDeserializer(_productEdmType, _deserializerProvider);
     Assert.ThrowsArgument(
         () => deserializer.CreateEntityResource(new ODataDeserializerContext()),
         "readContext",
         "The EDM model is missing on the read context. The model is required on the read context to deserialize the payload.");
 }