public void CreateWriter_ResultIsNull_ThrowsArgumentNullException(INdjsonWriterFactory ndjsonWriterFactory)
{
Assert.Throws <ArgumentNullException>("result", () =>
{
ndjsonWriterFactory.CreateWriter <ValueType>(PrepareActionContext(), null);
});
}
public void CreateWriter_ContextIsNull_ThrowsArgumentNullException(INdjsonWriterFactory ndjsonWriterFactory)
{
Assert.Throws <ArgumentNullException>("context", () =>
{
ndjsonWriterFactory.CreateWriter <ValueType>(null, OK_RESULT);
});
}
public void CreateWriter_CreatesWriter(INdjsonWriterFactory ndjsonWriterFactory)
{
ActionContext actionContext = PrepareActionContext();
INdjsonWriter <ValueType> ndjsonWriter = ndjsonWriterFactory.CreateWriter <ValueType>(actionContext, OK_RESULT);
Assert.NotNull(ndjsonWriter);
}
public void CreateWriter_ResponseStatusCodeIsProvided(INdjsonWriterFactory ndjsonWriterFactory)
{
ActionContext actionContext = PrepareActionContext();
ndjsonWriterFactory.CreateWriter <ValueType>(actionContext, OK_RESULT);
Assert.Equal(OK_RESULT.StatusCode, actionContext.HttpContext.Response.StatusCode);
}
public void CreateWriter_ResponseContentTypeIsSetToNdjsonWithUtf8Encoding(INdjsonWriterFactory ndjsonWriterFactory)
{
ActionContext actionContext = PrepareActionContext();
ndjsonWriterFactory.CreateWriter <ValueType>(actionContext, OK_RESULT);
Assert.Equal(CONTENT_TYPE, actionContext.HttpContext.Response.ContentType);
}
public void CreateWriter_DisablesResponseBuffering(INdjsonWriterFactory ndjsonWriterFactory)
{
Mock <StreamResponseBodyFeature> httpResponseBodyFeatureMock = new (Stream.Null);
ActionContext actionContext = PrepareActionContext(httpResponseBodyFeatureMock.Object);
ndjsonWriterFactory.CreateWriter <ValueType>(actionContext, OK_RESULT);
httpResponseBodyFeatureMock.Verify(m => m.DisableBuffering(), Times.Once);
}
public override async Task ExecuteResultAsync(ActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
INdjsonWriterFactory ndjsonTextWriterFactory = context.HttpContext.RequestServices.GetRequiredService <INdjsonWriterFactory>();
using (_ndjsonTextWriter = ndjsonTextWriterFactory.CreateWriter(context, this))
{
_readyTaskCompletionSource.SetResult(true);
await _completeTaskCompletionSource.Task;
}
}
/// <summary>
/// Executes the result operation of the action method asynchronously. This method is called by MVC to process the result of an action method.
/// </summary>
/// <param name="context">The <see cref="ActionContext"/> in which the result is executed. The context information includes information about the action that was executed and request information.</param>
/// <returns>A <see cref="Task"/> that represents the asynchronous execute operation.</returns>
public override async Task ExecuteResultAsync(ActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
INdjsonWriterFactory ndjsonTextWriterFactory = context.HttpContext.RequestServices.GetRequiredService <INdjsonWriterFactory>();
using (INdjsonWriter ndjsonTextWriter = ndjsonTextWriterFactory.CreateWriter(context, this))
{
await foreach (object value in _values)
{
await ndjsonTextWriter.WriteAsync(value);
}
}
}
/// <summary>
/// Executes the result operation of the action method asynchronously. This method is called by MVC to process the result of an action method.
/// </summary>
/// <param name="context">The <see cref="ActionContext"/> in which the result is executed. The context information includes information about the action that was executed and request information.</param>
/// <returns>A <see cref="Task"/> that represents the asynchronous execute operation.</returns>
public override async Task ExecuteResultAsync(ActionContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
INdjsonWriterFactory ndjsonTextWriterFactory = context.HttpContext.RequestServices.GetRequiredService <INdjsonWriterFactory>();
using INdjsonWriter <T> ndjsonTextWriter = ndjsonTextWriterFactory.CreateWriter <T>(context, this);
try
{
await foreach (T value in _values.WithCancellation(context.HttpContext.RequestAborted))
{
await ndjsonTextWriter.WriteAsync(value, context.HttpContext.RequestAborted);
}
}
catch (OperationCanceledException) when(context.HttpContext.RequestAborted.IsCancellationRequested)
{
}
}
