public async Task WriteObjectAsync_ThrowsArgumentNull_MessageWriter()
{
// Arrange
ODataErrorSerializer serializer = new ODataErrorSerializer();
// Act & Assert
await ExceptionAssert.ThrowsArgumentNullAsync(
() => serializer.WriteObjectAsync(graph: 42, type: typeof(ODataError), messageWriter: null, writeContext: null),
"messageWriter");
}
public async Task WriteObject_ThrowsAsync_ErrorTypeMustBeODataErrorOrHttpError()
{
// Arrange
ODataErrorSerializer serializer = new ODataErrorSerializer();
// Act & Assert
await ExceptionAssert.ThrowsAsync <SerializationException>(
() => serializer.WriteObjectAsync(42, typeof(ODataError), ODataTestUtil.GetMockODataMessageWriter(), new ODataSerializerContext()),
"The type 'System.Int32' is not supported by the ODataErrorSerializer. The type must be ODataError or HttpError.");
}
public void WriteObjectAsync_SupportsHttpError()
{
// Arrange
ODataErrorSerializer serializer = new ODataErrorSerializer();
SerializableError error = new SerializableError();
Mock <IODataResponseMessageAsync> mockResponseMessage = new Mock <IODataResponseMessageAsync>();
mockResponseMessage.Setup(response => response.GetStreamAsync()).ReturnsAsync(new MemoryStream());
// Act & Assert
ExceptionAssert.DoesNotThrow(() => serializer.WriteObjectAsync(error, typeof(ODataError), new ODataMessageWriter(mockResponseMessage.Object), new ODataSerializerContext())
.Wait());
}
public async Task ODataErrorSerializer_Works()
{
// Arrange
ODataErrorSerializer serializer = new ODataErrorSerializer();
MemoryStream stream = new MemoryStream();
IODataResponseMessageAsync 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
await serializer.WriteObjectAsync(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);
}
