public async Task WriteStartAsync_ThrowsExceptionForWriterInCanWriteParameterState()
{
var exception = await Assert.ThrowsAsync <ODataException>(
async() =>
{
var jsonLightOutputContext = CreateJsonLightOutputContext(new MemoryStream(), writingResponse: false, synchronous: false);
var jsonLightParameterWriter = new ODataJsonLightParameterWriter(jsonLightOutputContext, operation: null);
await jsonLightParameterWriter.WriteStartAsync();
await jsonLightParameterWriter.WriteStartAsync();
});
Assert.Equal(Strings.ODataParameterWriterCore_CannotWriteStart, exception.Message);
}
/// <summary>
/// Sets up an ODataJsonLightParameterWriter,
/// then runs the given test code asynchronously,
/// then flushes and reads the stream back as a string for customized verification.
/// </summary>
private async Task <string> SetupJsonLightParameterWriterAndRunTestAsync(
Func <ODataJsonLightParameterWriter, Task> func,
IEdmOperation edmOperation = null,
bool writingResponse = true)
{
var stream = new MemoryStream();
var jsonLightOutputContext = CreateJsonLightOutputContext(
stream,
/*writingResponse*/ writingResponse,
/*synchronous*/ false);
var jsonLightParameterWriter = new ODataJsonLightParameterWriter(
jsonLightOutputContext,
edmOperation);
await jsonLightParameterWriter.WriteStartAsync();
await func(jsonLightParameterWriter);
await jsonLightParameterWriter.WriteEndAsync();
stream.Position = 0;
return(await new StreamReader(stream).ReadToEndAsync());
}
public void AsyncShouldWriteParameterPayloadInRequestWithoutModelAndWithoutFunctionImport()
{
Action <ODataJsonLightOutputContext> test = outputContext =>
{
var parameterWriter = new ODataJsonLightParameterWriter(outputContext, operation: null);
parameterWriter.WriteStartAsync().Wait();
parameterWriter.WriteValueAsync("primitive", Guid.Empty).Wait();
parameterWriter.WriteValueAsync("complex", new ODataComplexValue {
Properties = new[] { new ODataProperty {
Name = "prop1", Value = 1
} }
}).Wait();
var collectionWriter = parameterWriter.CreateCollectionWriterAsync("collection").Result;
collectionWriter.WriteStartAsync(new ODataCollectionStart()).Wait();
collectionWriter.WriteItemAsync("item1").Wait();
collectionWriter.WriteEndAsync().Wait();
parameterWriter.WriteEndAsync().Wait();
parameterWriter.FlushAsync().Wait();
};
WriteAndValidate(test, "{\"primitive\":\"00000000-0000-0000-0000-000000000000\",\"complex\":{\"prop1\":1},\"collection\":[\"item1\"]}", writingResponse: false, synchronous: false);
}