public async Task ReadFromStream_AsyncRoundTripsWriteToStreamUsingDataContractSerializer_KnownTypes(
Type variationType,
object testData
)
{
// Guard
bool canSerialize =
IsSerializableWithDataContractSerializer(variationType, testData) &&
Assert.Http.CanRoundTrip(variationType);
if (canSerialize)
{
// Arrange
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
formatter.SetSerializer(
variationType,
new DataContractSerializer(variationType, new Type[] { typeof(DBNull), })
);
// Arrange & Act & Assert
object readObj = await ReadFromStreamAsync_RoundTripsWriteToStreamAsync_Helper(
formatter,
variationType,
testData
);
Assert.Equal(testData, readObj);
}
}
public async Task ReadFromStreamAsync_RoundTripsWriteToStreamAsyncUsingXmlSerializer(
Type variationType,
object testData
)
{
// Guard
bool canSerialize =
IsSerializableWithXmlSerializer(variationType, testData) &&
Assert.Http.CanRoundTrip(variationType);
if (canSerialize)
{
// Arrange
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
formatter.SetSerializer(variationType, new XmlSerializer(variationType));
// Arrange & Act & Assert
object readObj = await ReadFromStreamAsync_RoundTripsWriteToStreamAsync_Helper(
formatter,
variationType,
testData
);
Assert.Equal(testData, readObj);
}
}
public async Task ReadFromStreamAsync_RoundTripsWriteToStreamAsyncUsingXmlSerializer_DBNull()
{
// Arrange
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
Type variationType = typeof(DBNull);
formatter.SetSerializer(variationType, new XmlSerializer(variationType));
object testData = DBNull.Value;
// Arrange & Act & Assert
object readObj = await ReadFromStreamAsync_RoundTripsWriteToStreamAsync_Helper(formatter, variationType, testData);
Assert.Equal(testData, readObj);
}
public async Task ReadFromStreamAsync_RoundTripsWriteToStreamAsyncUsingDataContractSerializer_DBNullAsEmptyString()
{
// Arrange
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
Type variationType = typeof(string);
formatter.SetSerializer(variationType, new DataContractSerializer(variationType, new Type[] { typeof(DBNull), }));
object testData = DBNull.Value;
// Arrange & Act & Assert
object readObj = await ReadFromStreamAsync_RoundTripsWriteToStreamAsync_Helper(formatter, variationType, testData);
// Lower levels convert DBNull.Value to empty string on read
Assert.Equal(String.Empty, readObj);
}
public async Task ReadFromStreamAsync_RoundTripsWriteToStreamAsyncUsingDataContractSerializer_DBNull()
{
// Arrange
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
Type variationType = typeof(DBNull);
formatter.SetSerializer(variationType, new DataContractSerializer(variationType));
object testData = DBNull.Value;
// Arrange & Act & Assert
object readObj = await ReadFromStreamAsync_RoundTripsWriteToStreamAsync_Helper(formatter, variationType, testData);
// DBNull.Value round-trips as either Object or DBNull because serialization includes its type
Assert.Equal(testData, readObj);
}
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 ReadFromStreamRoundTripsWriteToStreamUsingDataContractSerializer()
{
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
HttpContentHeaders contentHeaders = new StringContent(string.Empty).Headers;
TestDataAssert.Execute(
TestData.ValueAndRefTypeTestDataCollection,
(type, obj) =>
{
bool canSerialize = IsSerializableWithDataContractSerializer(type, obj) && HttpTestData.CanRoundTrip(type);
if (canSerialize)
{
formatter.SetSerializer(type, new DataContractSerializer(type));
object readObj = null;
StreamAssert.WriteAndRead(
(stream) => formatter.WriteToStream(type, obj, stream, contentHeaders, /*transportContext*/ null),
(stream) => readObj = formatter.ReadFromStream(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);
}
}
public void ReadFromStreamRoundTripsWriteToStreamUsingXmlSerializer()
{
TestXmlMediaTypeFormatter formatter = new TestXmlMediaTypeFormatter();
HttpContentHeaders contentHeaders = new StringContent(string.Empty).Headers;
// Excludes ReferenceDataContractType tests because XmlSerializer cannot handle circular references
TestDataAssert.Execute(
TestData.ValueAndRefTypeTestDataCollection.Where((td) => !(typeof(RefTypeTestData <ReferenceDataContractType>).IsAssignableFrom(td.GetType()))),
(type, obj) =>
{
bool canSerialize = IsSerializableWithXmlSerializer(type, obj) && HttpTestData.CanRoundTrip(type);
if (canSerialize)
{
formatter.SetSerializer(type, new XmlSerializer(type));
object readObj = null;
StreamAssert.WriteAndRead(
(stream) => formatter.WriteToStream(type, obj, stream, contentHeaders, /*transportContext*/ null),
(stream) => readObj = formatter.ReadFromStream(type, stream, contentHeaders));
TestDataAssert.AreEqual(obj, readObj, "Failed to round trip object");
}
});
}
