public async Task DataContractFormatterThrowsOnWriteWhenOverridenCreateReturnsNull()
{
// Arrange
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
formatter.ReturnNullOnCreate = true;
formatter.UseXmlSerializer = true;
MemoryStream memoryStream = new MemoryStream();
HttpContent content = new StringContent(String.Empty);
// Act & Assert
Func <Task> action = () =>
formatter.WriteToStreamAsync(
typeof(SampleType),
new SampleType(),
memoryStream,
content,
transportContext: null
);
await Assert.ThrowsAsync <InvalidOperationException>(action);
Assert.Null(formatter.InnerDataContractSerializer);
Assert.NotNull(formatter.InnerXmlSerializer);
}
public void FormatterThrowsOnWriteWhenOverridenCreateFails()
{
// Arrange
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
formatter.ThrowAnExceptionOnCreate = true;
MemoryStream memoryStream = new MemoryStream();
HttpContent content = new StringContent(String.Empty);
// Act & Assert
Action action = () => formatter.WriteToStreamAsync(typeof(SampleType), new SampleType(), memoryStream, content, transportContext: null).Wait();
Assert.Throws <InvalidOperationException>(action);
Assert.NotNull(formatter.InnerDataContractSerializer);
Assert.Null(formatter.InnerXmlSerializer);
}
public void ReadFromStreamAsync_RoundTripsWriteToStreamAsyncUsingXmlSerializer(Type variationType, object testData)
{
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
HttpContentHeaders contentHeaders = FormattingUtilities.CreateEmptyContentHeaders();
bool canSerialize = IsSerializableWithXmlSerializer(variationType, testData) && Assert.Http.CanRoundTrip(variationType);
if (canSerialize)
{
formatter.SetSerializer(variationType, new XmlSerializer(variationType));
object readObj = null;
Assert.Stream.WriteAndRead(
stream =>
{
Assert.Task.Succeeds(formatter.WriteToStreamAsync(variationType, testData, stream, contentHeaders, transportContext: null));
contentHeaders.ContentLength = stream.Length;
},
stream => readObj = Assert.Task.SucceedsWithResult(formatter.ReadFromStreamAsync(variationType, stream, contentHeaders, null)));
Assert.Equal(testData, readObj);
}
}
public void ReadFromStreamAsyncRoundTripsWriteToStreamUsingDataContractSerializer()
{
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
HttpContentHeaders contentHeaders = new StringContent(string.Empty).Headers;
TestDataAssert.Execute(
TestData.RepresentativeValueAndRefTypeTestDataCollection,
(type, obj) =>
{
bool canSerialize = IsSerializableWithDataContractSerializer(type, obj) && HttpTestData.CanRoundTrip(type);
if (canSerialize)
{
formatter.SetSerializer(type, new DataContractSerializer(type));
object readObj = null;
StreamAssert.WriteAndRead(
(stream) => TaskAssert.Succeeds(formatter.WriteToStreamAsync(type, obj, stream, contentHeaders, /*transportContext*/ null)),
(stream) => readObj = TaskAssert.SucceedsWithResult(formatter.ReadFromStreamAsync(type, stream, contentHeaders))
);
TestDataAssert.AreEqual(obj, readObj, "Failed to round trip object.");
}
});
}
public void ReadFromStream_AsyncRoundTripsWriteToStreamUsingDataContractSerializer(Type variationType, object testData)
{
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
HttpContent content = new StringContent(String.Empty);
HttpContentHeaders contentHeaders = content.Headers;
bool canSerialize = IsSerializableWithDataContractSerializer(variationType, testData) && Assert.Http.CanRoundTrip(variationType);
if (canSerialize)
{
formatter.SetSerializer(variationType, new DataContractSerializer(variationType));
object readObj = null;
Assert.Stream.WriteAndRead(
stream =>
{
Assert.Task.Succeeds(formatter.WriteToStreamAsync(variationType, testData, stream, content, transportContext: null));
contentHeaders.ContentLength = stream.Length;
},
stream => readObj = Assert.Task.SucceedsWithResult(formatter.ReadFromStreamAsync(variationType, stream, content, null))
);
Assert.Equal(testData, readObj);
}
}
