public Task ExpectedKeysAreAvailable()
{
var handler = new ClientHandler(env =>
{
var context = new DefaultHttpContext((IFeatureCollection)env);
// TODO: Assert.True(context.RequestAborted.CanBeCanceled);
Assert.Equal("HTTP/1.1", context.Request.Protocol);
Assert.Equal("GET", context.Request.Method);
Assert.Equal("https", context.Request.Scheme);
Assert.Equal("/A/Path", context.Request.PathBase.Value);
Assert.Equal("/and/file.txt", context.Request.Path.Value);
Assert.Equal("?and=query", context.Request.QueryString.Value);
Assert.NotNull(context.Request.Body);
Assert.NotNull(context.Request.Headers);
Assert.NotNull(context.Response.Headers);
Assert.NotNull(context.Response.Body);
Assert.Equal(200, context.Response.StatusCode);
Assert.Null(context.Features.Get<IHttpResponseFeature>().ReasonPhrase);
Assert.Equal("example.com", context.Request.Host.Value);
return Task.FromResult(0);
}, new PathString("/A/Path/"));
var httpClient = new HttpClient(handler);
return httpClient.GetAsync("https://example.com/A/Path/and/file.txt?and=query");
}
public Task SingleSlashNotMovedToPathBase()
{
var handler = new ClientHandler(env =>
{
var context = new DefaultHttpContext((IFeatureCollection)env);
Assert.Equal("", context.Request.PathBase.Value);
Assert.Equal("/", context.Request.Path.Value);
return Task.FromResult(0);
}, new PathString(""));
var httpClient = new HttpClient(handler);
return httpClient.GetAsync("https://example.com/");
}
public async Task ResubmitRequestWorks()
{
int requestCount = 1;
var handler = new ClientHandler(env =>
{
var context = new DefaultHttpContext((IFeatureCollection)env);
int read = context.Request.Body.Read(new byte[100], 0, 100);
Assert.Equal(11, read);
context.Response.Headers["TestHeader"] = "TestValue:" + requestCount++;
return Task.FromResult(0);
}, PathString.Empty);
HttpMessageInvoker invoker = new HttpMessageInvoker(handler);
HttpRequestMessage message = new HttpRequestMessage(HttpMethod.Post, "https://example.com/");
message.Content = new StringContent("Hello World");
HttpResponseMessage response = await invoker.SendAsync(message, CancellationToken.None);
Assert.Equal("TestValue:1", response.Headers.GetValues("TestHeader").First());
response = await invoker.SendAsync(message, CancellationToken.None);
Assert.Equal("TestValue:2", response.Headers.GetValues("TestHeader").First());
}
public async Task MiddlewareOnlySetsHeaders()
{
var handler = new ClientHandler(env =>
{
var context = new DefaultHttpContext((IFeatureCollection)env);
context.Response.Headers["TestHeader"] = "TestValue";
return Task.FromResult(0);
}, PathString.Empty);
var httpClient = new HttpClient(handler);
HttpResponseMessage response = await httpClient.GetAsync("https://example.com/");
Assert.Equal("TestValue", response.Headers.GetValues("TestHeader").First());
}
public async Task ExceptionAfterFirstWriteIsReported()
{
ManualResetEvent block = new ManualResetEvent(false);
var handler = new ClientHandler(async env =>
{
var context = new DefaultHttpContext((IFeatureCollection)env);
context.Response.Headers["TestHeader"] = "TestValue";
await context.Response.WriteAsync("BodyStarted");
block.WaitOne();
throw new InvalidOperationException("Test Exception");
}, PathString.Empty);
var httpClient = new HttpClient(handler);
HttpResponseMessage response = await httpClient.GetAsync("https://example.com/",
HttpCompletionOption.ResponseHeadersRead);
Assert.Equal("TestValue", response.Headers.GetValues("TestHeader").First());
block.Set();
var ex = await Assert.ThrowsAsync<HttpRequestException>(() => response.Content.ReadAsStringAsync());
Assert.IsType<InvalidOperationException>(ex.GetBaseException());
}
public Task ExceptionBeforeFirstWriteIsReported()
{
var handler = new ClientHandler(env =>
{
throw new InvalidOperationException("Test Exception");
}, PathString.Empty);
var httpClient = new HttpClient(handler);
return Assert.ThrowsAsync<InvalidOperationException>(() => httpClient.GetAsync("https://example.com/",
HttpCompletionOption.ResponseHeadersRead));
}
public async Task ClientCancellationAborts()
{
ManualResetEvent block = new ManualResetEvent(false);
var handler = new ClientHandler(env =>
{
var context = new DefaultHttpContext((IFeatureCollection)env);
context.Response.Headers["TestHeader"] = "TestValue";
context.Response.Body.Flush();
block.WaitOne();
return Task.FromResult(0);
}, PathString.Empty);
var httpClient = new HttpClient(handler);
HttpResponseMessage response = await httpClient.GetAsync("https://example.com/",
HttpCompletionOption.ResponseHeadersRead);
Assert.Equal("TestValue", response.Headers.GetValues("TestHeader").First());
Stream responseStream = await response.Content.ReadAsStreamAsync();
CancellationTokenSource cts = new CancellationTokenSource();
Task<int> readTask = responseStream.ReadAsync(new byte[100], 0, 100, cts.Token);
Assert.False(readTask.IsCompleted);
cts.Cancel();
Thread.Sleep(50);
Assert.True(readTask.IsCompleted);
Assert.True(readTask.IsFaulted);
block.Set();
}
public async Task FlushSendsHeaders()
{
ManualResetEvent block = new ManualResetEvent(false);
var handler = new ClientHandler(async env =>
{
var context = new DefaultHttpContext((IFeatureCollection)env);
context.Response.Headers["TestHeader"] = "TestValue";
context.Response.Body.Flush();
block.WaitOne();
await context.Response.WriteAsync("BodyFinished");
}, PathString.Empty);
var httpClient = new HttpClient(handler);
HttpResponseMessage response = await httpClient.GetAsync("https://example.com/",
HttpCompletionOption.ResponseHeadersRead);
Assert.Equal("TestValue", response.Headers.GetValues("TestHeader").First());
block.Set();
Assert.Equal("BodyFinished", await response.Content.ReadAsStringAsync());
}
public async Task BlockingMiddlewareShouldNotBlockClient()
{
ManualResetEvent block = new ManualResetEvent(false);
var handler = new ClientHandler(env =>
{
block.WaitOne();
return Task.FromResult(0);
}, PathString.Empty);
var httpClient = new HttpClient(handler);
Task<HttpResponseMessage> task = httpClient.GetAsync("https://example.com/");
Assert.False(task.IsCompleted);
Assert.False(task.Wait(50));
block.Set();
HttpResponseMessage response = await task;
}