aspnetcore/test/Microsoft.AspNetCore.Socket.../ServerSentEventsTests.cs

59 lines
1.9 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Pipelines;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading.Tasks.Channels;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Sockets.Transports;
using Microsoft.Extensions.Logging;
using Xunit;
namespace Microsoft.AspNetCore.Sockets.Tests
{
public class ServerSentEventsTests
{
[Fact]
public async Task SSESetsContentType()
{
var channel = Channel.CreateUnbounded<Message>();
var context = new DefaultHttpContext();
var sse = new ServerSentEventsTransport(channel, new LoggerFactory());
Assert.True(channel.TryComplete());
await sse.ProcessRequestAsync(context);
Assert.Equal("text/event-stream", context.Response.ContentType);
Assert.Equal("no-cache", context.Response.Headers["Cache-Control"]);
}
[Fact]
public async Task SSEAddsAppropriateFraming()
{
var channel = Channel.CreateUnbounded<Message>();
var context = new DefaultHttpContext();
var sse = new ServerSentEventsTransport(channel, new LoggerFactory());
var ms = new MemoryStream();
context.Response.Body = ms;
await channel.WriteAsync(new Message(
ReadableBuffer.Create(Encoding.UTF8.GetBytes("Hello World")).Preserve(),
Format.Text,
endOfMessage: true));
Assert.True(channel.TryComplete());
await sse.ProcessRequestAsync(context);
var expected = "data: Hello World\n\n";
Assert.Equal(expected, Encoding.UTF8.GetString(ms.ToArray()));
}
}
}