public async void TestTimeout()
{
var cachedToken = "cachedToken";
var req = new HttpRequestMessage();
req.RequestUri = new Uri("http://example.com");
var config = new ForgeConfiguration()
{
ClientId = "ClientId",
ClientSecret = "ClientSecret"
};
var sink = new Mock <HttpMessageHandler>(MockBehavior.Strict);
sink.Protected().As <HttpMessageInvoker>().Setup(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == req.RequestUri && r.Headers.Authorization.Parameter == cachedToken), It.IsAny <CancellationToken>()))
.ReturnsAsync(new HttpResponseMessage()
{
StatusCode = System.Net.HttpStatusCode.GatewayTimeout
}, TimeSpan.FromSeconds(12));
var fh = new TweakableForgeHandler(Options.Create(config))
{
InnerHandler = sink.Object
};
var scope = "somescope";
fh.TokenCache.Add(scope, $"Bearer {cachedToken}", TimeSpan.FromSeconds(10));
var invoker = new HttpMessageInvoker(fh);
req.Properties.Add(ForgeConfiguration.ScopeKey, scope);
await Assert.ThrowsAsync <Polly.Timeout.TimeoutRejectedException>(async() => await invoker.SendAsync(req, new CancellationToken()));
sink.VerifyAll();
}
public async void TestRefreshExpiredTokenByOneThreadOnly()
{
var newToken = "newToken";
var cachedToken = "cachedToken";
var requestUri = new Uri("http://example.com");
var config = new ForgeConfiguration()
{
ClientId = "ClientId",
ClientSecret = "ClientSecret"
};
var sink = new Mock <HttpMessageHandler>(MockBehavior.Strict);
sink.Protected().As <HttpMessageInvoker>().Setup(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == config.AuthenticationAddress), It.IsAny <CancellationToken>()))
// some artifical delay to ensure that the other thread will attempt to enter the critical section
.ReturnsAsync(new HttpResponseMessage()
{
Content = new StringContent(JsonConvert.SerializeObject(new Dictionary <string, string> {
{ "token_type", "Bearer" }, { "access_token", newToken }, { "expires_in", "3" }
})),
StatusCode = System.Net.HttpStatusCode.OK
}, TweakableForgeHandler.DefaultTimeout / 2
);
sink.Protected().As <HttpMessageInvoker>().Setup(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == requestUri && r.Headers.Authorization.Parameter == newToken), It.IsAny <CancellationToken>()))
.ReturnsAsync(new HttpResponseMessage()
{
StatusCode = System.Net.HttpStatusCode.OK
});
var fh = new TweakableForgeHandler(Options.Create(config))
{
InnerHandler = sink.Object
};
var scope = "somescope";
//we have token but it is expired already
fh.TokenCache.Add(scope, $"Bearer {cachedToken}", TimeSpan.FromSeconds(0));
//launch 2 threads to make parallel requests
Func <Task> lambda = async() =>
{
var req = new HttpRequestMessage();
req.RequestUri = requestUri;
var invoker = new HttpMessageInvoker(fh);
req.Options.Set(ForgeConfiguration.ScopeKey, scope);
await invoker.SendAsync(req, CancellationToken.None);
};
await Task.WhenAll(lambda(), lambda());
// We expect exactly one auth call
sink.Protected().As <HttpMessageInvoker>().Verify(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == config.AuthenticationAddress), It.IsAny <CancellationToken>()), Times.Once());
sink.VerifyAll();
}
public async void TestCorrectNumberOfRetries()
{
var cachedToken = "cachedToken";
var req = new HttpRequestMessage();
req.RequestUri = new Uri("http://example.com");
var config = new ForgeConfiguration()
{
ClientId = "ClientId",
ClientSecret = "ClientSecret"
};
var gatewayTimeout = new HttpResponseMessage()
{
StatusCode = System.Net.HttpStatusCode.GatewayTimeout
};
var tooManyRequests = new HttpResponseMessage {
StatusCode = (System.Net.HttpStatusCode) 429
};
tooManyRequests.Headers.RetryAfter = new System.Net.Http.Headers.RetryConditionHeaderValue(TimeSpan.FromSeconds(2));
var sink = new Mock <HttpMessageHandler>(MockBehavior.Strict);
sink.Protected().As <HttpMessageInvoker>().SetupSequence(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == req.RequestUri && r.Headers.Authorization.Parameter == cachedToken), It.IsAny <CancellationToken>()))
.ReturnsAsync(tooManyRequests)
.ReturnsAsync(tooManyRequests)
.ReturnsAsync(tooManyRequests)
.ThrowsAsync(new HttpRequestException())
.ReturnsAsync(gatewayTimeout)
.ReturnsAsync(gatewayTimeout);
var fh = new TweakableForgeHandler(Options.Create(config))
{
InnerHandler = sink.Object
};
var scope = "somescope";
fh.TokenCache.Add(scope, $"Bearer {cachedToken}", TimeSpan.FromSeconds(10));
var invoker = new HttpMessageInvoker(fh);
req.Options.Set(ForgeConfiguration.ScopeKey, scope);
var resp = await invoker.SendAsync(req, CancellationToken.None);
Assert.Equal(System.Net.HttpStatusCode.GatewayTimeout, resp.StatusCode);
// We retry 5 times so expect 6 calls
sink.Protected().As <HttpMessageInvoker>().Verify(o => o.SendAsync(It.IsAny <HttpRequestMessage>(), It.IsAny <CancellationToken>()), Times.Exactly(6));
sink.VerifyAll();
}
public async void TestRetryOnceOnAuthenticationFailure()
{
var newToken = "newToken";
var cachedToken = "cachedToken";
var req = new HttpRequestMessage();
req.RequestUri = new Uri("http://example.com");
var config = new ForgeConfiguration()
{
ClientId = "ClientId",
ClientSecret = "ClientSecret"
};
var sink = new Mock <HttpMessageHandler>(MockBehavior.Strict);
sink.Protected().As <HttpMessageInvoker>().Setup(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == req.RequestUri && r.Headers.Authorization.Parameter == cachedToken), It.IsAny <CancellationToken>()))
.ReturnsAsync(new HttpResponseMessage()
{
StatusCode = System.Net.HttpStatusCode.Unauthorized,
RequestMessage = req
});
sink.Protected().As <HttpMessageInvoker>().Setup(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == config.AuthenticationAddress), It.IsAny <CancellationToken>()))
.ReturnsAsync(new HttpResponseMessage()
{
Content = new StringContent(JsonConvert.SerializeObject(new Dictionary <string, string> {
{ "token_type", "Bearer" }, { "access_token", newToken }, { "expires_in", "3" }
})),
StatusCode = System.Net.HttpStatusCode.OK
});
sink.Protected().As <HttpMessageInvoker>().Setup(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == req.RequestUri && r.Headers.Authorization.Parameter == newToken), It.IsAny <CancellationToken>()))
.ReturnsAsync(new HttpResponseMessage()
{
StatusCode = System.Net.HttpStatusCode.OK
});
var fh = new TweakableForgeHandler(Options.Create(config))
{
InnerHandler = sink.Object
};
var scope = "somescope";
//we have token but it bad for some reason (maybe revoked)
fh.TokenCache.Add(scope, $"Bearer {cachedToken}", TimeSpan.FromSeconds(300));
var invoker = new HttpMessageInvoker(fh);
req.Options.Set(ForgeConfiguration.ScopeKey, scope);
await invoker.SendAsync(req, CancellationToken.None);
sink.VerifyAll();
}
/// <summary>
/// Create all required components for custom timeout validation.
/// </summary>
/// <param name="allowedTimeInSec">Allowed time in seconds.</param>
/// <param name="responseTime">Actual response time.</param>
/// <returns>
/// Tuple with:
/// * mock to validate after tests are complete.
/// * functor to perform mocked HTTP request/response operation.
/// </returns>
private (Mock <HttpMessageHandler> sink, Func <Task <HttpResponseMessage> > requestSender) GetReady(int allowedTimeInSec, TimeSpan responseTime)
{
var req = RequestWithTimeout(allowedTimeInSec);
var sink = MakeSink(req, responseTime);
var fh = new TweakableForgeHandler(Options.Create(_forgeConfig))
{
InnerHandler = sink.Object
};
fh.TokenCache.Add(Scope, $"Bearer {CachedToken}", TimeSpan.FromSeconds(10));
var invoker = new HttpMessageInvoker(fh);
return(sink, () => invoker.SendAsync(req, new CancellationToken()));
}
public async void TestCircuitBreaker()
{
var cachedToken = "cachedToken";
var req = new HttpRequestMessage();
req.RequestUri = new Uri("http://example.com");
var config = new ForgeConfiguration()
{
ClientId = "ClientId",
ClientSecret = "ClientSecret"
};
var sink = new Mock <HttpMessageHandler>(MockBehavior.Strict);
sink.Protected().As <HttpMessageInvoker>().Setup(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == req.RequestUri && r.Headers.Authorization.Parameter == cachedToken), It.IsAny <CancellationToken>()))
.ReturnsAsync(new HttpResponseMessage()
{
StatusCode = System.Net.HttpStatusCode.InternalServerError
});
var fh = new TweakableForgeHandler(Options.Create(config))
{
InnerHandler = sink.Object
};
var scope = "somescope";
fh.TokenCache.Add(scope, $"Bearer {cachedToken}", TimeSpan.FromSeconds(10));
var invoker = new HttpMessageInvoker(fh);
req.Options.Set(ForgeConfiguration.ScopeKey, scope);
// We tolerate 3 failures before we break the circuit
for (int i = 0; i < 3; i++)
{
var resp = await invoker.SendAsync(req, CancellationToken.None);
Assert.Equal(System.Net.HttpStatusCode.InternalServerError, resp.StatusCode);
}
await Assert.ThrowsAsync <Polly.CircuitBreaker.BrokenCircuitException <HttpResponseMessage> >(async() => await invoker.SendAsync(req, CancellationToken.None));
sink.Protected().As <HttpMessageInvoker>().Verify(o => o.SendAsync(It.IsAny <HttpRequestMessage>(), It.IsAny <CancellationToken>()), Times.Exactly(3));
sink.VerifyAll();
}
public async void TestUseGoodToken()
{
var cachedToken = "cachedToken";
var req = new HttpRequestMessage();
req.RequestUri = new Uri("http://example.com");
var config = new ForgeConfiguration()
{
ClientId = "ClientId",
ClientSecret = "ClientSecret"
};
var sink = new Mock <HttpMessageHandler>(MockBehavior.Strict);
sink.Protected().As <HttpMessageInvoker>().Setup(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == req.RequestUri && r.Headers.Authorization.Parameter == cachedToken), It.IsAny <CancellationToken>()))
.ReturnsAsync(new HttpResponseMessage()
{
StatusCode = System.Net.HttpStatusCode.OK
});
var fh = new TweakableForgeHandler(Options.Create(config))
{
InnerHandler = sink.Object
};
var scope = "somescope";
fh.TokenCache.Add(scope, $"Bearer {cachedToken}", TimeSpan.FromSeconds(10));
var invoker = new HttpMessageInvoker(fh);
req.Options.Set(ForgeConfiguration.ScopeKey, scope);
var resp = await invoker.SendAsync(req, CancellationToken.None);
Assert.Equal(System.Net.HttpStatusCode.OK, resp.StatusCode);
// We expect exactly one network call
sink.Protected().As <HttpMessageInvoker>().Verify(o => o.SendAsync(It.IsAny <HttpRequestMessage>(), It.IsAny <CancellationToken>()), Times.Once());
sink.VerifyAll();
}
public async void TestNoRefreshOnClientProvidedToken()
{
var token = "blabla";
var req = new HttpRequestMessage();
req.RequestUri = new Uri("http://example.com");
var config = new ForgeConfiguration()
{
ClientId = "ClientId",
ClientSecret = "ClientSecret"
};
var sink = new Mock <HttpMessageHandler>(MockBehavior.Strict);
sink.Protected().As <HttpMessageInvoker>().Setup(o => o.SendAsync(It.Is <HttpRequestMessage>(r => r.RequestUri == req.RequestUri && r.Headers.Authorization.Parameter == token), It.IsAny <CancellationToken>()))
.ReturnsAsync(new HttpResponseMessage()
{
StatusCode = System.Net.HttpStatusCode.Unauthorized
});
var fh = new TweakableForgeHandler(Options.Create(config))
{
InnerHandler = sink.Object
};
var scope = "somescope";
var invoker = new HttpMessageInvoker(fh);
req.Options.Set(ForgeConfiguration.ScopeKey, scope);
req.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
var resp = await invoker.SendAsync(req, CancellationToken.None);
Assert.Equal(System.Net.HttpStatusCode.Unauthorized, resp.StatusCode);
// We expect exactly one network call
sink.Protected().As <HttpMessageInvoker>().Verify(o => o.SendAsync(It.IsAny <HttpRequestMessage>(), It.IsAny <CancellationToken>()), Times.Once());
sink.VerifyAll();
}