public void NoDataWritten_Flush_DoesNotFlushUnderlyingStream()
{
// Arrange
var stream = new TestMemoryStream();
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
// Act
writer.Flush();
// Assert
Assert.Equal(0, stream.FlushCallCount);
Assert.Equal(0, stream.Length);
}
public void FlushesBuffer_ButNotStream_OnFlush(int byteLength)
{
// Arrange
var stream = new TestMemoryStream();
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
writer.Write(new string('a', byteLength));
var expectedWriteCount = Math.Ceiling((double)byteLength / HttpResponseStreamWriter.DefaultBufferSize);
// Act
writer.Flush();
// Assert
Assert.Equal(0, stream.FlushCallCount);
Assert.Equal(expectedWriteCount, stream.WriteCallCount);
Assert.Equal(byteLength, stream.Length);
}
public static void Run()
{
var host = new WebHostBuilder()
.UseUrls("http://*:5000")
.ConfigureServices(services =>
{
// Use a custom server
services.AddTransient <IServer, HttpServer>();
})
// .UseKestrel()
.Configure(app =>
{
app.Run(context =>
{
if (context.Request.Path.StartsWithSegments("/plaintext"))
{
context.Response.StatusCode = 200;
context.Response.ContentType = "text/plain";
// HACK: Setting the Content-Length header manually avoids the cost of serializing the int to a string.
// This is instead of: httpContext.Response.ContentLength = _helloWorldPayload.Length;
context.Response.Headers["Content-Length"] = "13";
return(context.Response.Body.WriteAsync(_helloWorldPayload, 0, _helloWorldPayload.Length));
}
else if (context.Request.Path.StartsWithSegments("/json"))
{
context.Response.ContentType = "application/json";
context.Response.ContentLength = 3072;
var model = BigModels.About100Fields;
var outputWriter = new StreamWriter(context.Response.Body, _utf8Encoding);
var jsonWriter = new JsonTextWriter(outputWriter);
_json.Serialize(outputWriter, model);
jsonWriter.Flush();
outputWriter.Flush();
}
else if (context.Request.Path.StartsWithSegments("/jsonpool"))
{
context.Response.ContentType = "application/json";
context.Response.ContentLength = 3072;
var model = BigModels.About100Fields;
var outputWriter = new HttpResponseStreamWriter(context.Response.Body, _utf8Encoding);
var jsonWriter = new JsonTextWriter(outputWriter);
jsonWriter.ArrayPool = new JsonArrayPool <char>(ArrayPool <char> .Shared);
_json.Serialize(outputWriter, model);
jsonWriter.Flush();
outputWriter.Flush();
}
else if (context.Request.Path.StartsWithSegments("/jsonbuffered"))
{
context.Response.ContentType = "application/json";
var model = BigModels.About100Fields;
var ms = new MemoryStream();
var outputWriter = new StreamWriter(ms, _utf8Encoding);
var jsonWriter = new JsonTextWriter(outputWriter);
_json.Serialize(outputWriter, model);
context.Response.ContentLength = ms.Length;
ms.Position = 0;
return(ms.CopyToAsync(context.Response.Body));
}
else if (context.Request.Path.StartsWithSegments("/jsonbufferedpool"))
{
context.Response.ContentType = "application/json";
var model = BigModels.About100Fields;
var ms = new MemoryStream();
var outputWriter = new HttpResponseStreamWriter(ms, _utf8Encoding);
var jsonWriter = new JsonTextWriter(outputWriter);
jsonWriter.ArrayPool = new JsonArrayPool <char>(ArrayPool <char> .Shared);
_json.Serialize(outputWriter, model);
context.Response.ContentLength = ms.Length;
ms.Position = 0;
return(ms.CopyToAsync(context.Response.Body));
}
// REVIEW: Echo is broken for now because of handling of content length
else if (context.Request.Path.StartsWithSegments("/jsonecho"))
{
var inputReader = new StreamReader(context.Request.Body, _utf8Encoding);
var jsonReader = new JsonTextReader(inputReader);
Pet value = _json.Deserialize <Pet>(jsonReader);
var outputWriter = new StreamWriter(context.Response.Body, _utf8Encoding);
var jsonWriter = new JsonTextWriter(outputWriter);
_json.Serialize(outputWriter, value);
jsonWriter.Flush();
}
else if (context.Request.Path.StartsWithSegments("/jsonechopool"))
{
var inputReader = new StreamReader(context.Request.Body, _utf8Encoding);
var jsonReader = new JsonTextReader(inputReader);
jsonReader.ArrayPool = new JsonArrayPool <char>(ArrayPool <char> .Shared);
Pet value = _json.Deserialize <Pet>(jsonReader);
var outputWriter = new StreamWriter(context.Response.Body, _utf8Encoding);
var jsonWriter = new JsonTextWriter(outputWriter);
jsonWriter.ArrayPool = new JsonArrayPool <char>(ArrayPool <char> .Shared);
_json.Serialize(outputWriter, value);
jsonWriter.Flush();
}
return(Task.CompletedTask);
});
})
.Build();
host.Run();
}
public void FlushesBuffer_ButNotStream_OnFlush(int byteLength)
{
// Arrange
var stream = new TestMemoryStream();
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
writer.Write(new string('a', byteLength));
var expectedWriteCount = Math.Ceiling((double)byteLength / HttpResponseStreamWriter.DefaultBufferSize);
// Act
writer.Flush();
// Assert
Assert.Equal(0, stream.FlushCallCount);
Assert.Equal(expectedWriteCount, stream.WriteCallCount);
Assert.Equal(byteLength, stream.Length);
}
public void NoDataWritten_Flush_DoesNotFlushUnderlyingStream()
{
// Arrange
var stream = new TestMemoryStream();
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
// Act
writer.Flush();
// Assert
Assert.Equal(0, stream.FlushCallCount);
Assert.Equal(0, stream.Length);
}
