public void AddResponseToRetryOn_RetriesOnConfiguredResponse_ForResponseType()
{
var service = Substitute.For <ITestService>();
var failResponse = new Response {
ResponseMessage = "fail"
};
var successResponse = new Response {
ResponseMessage = "success"
};
service
.TestMethodComplex(Arg.Any <Request>())
.Returns(failResponse, failResponse, successResponse);
var actionInvoker = new RetryingWcfActionInvoker <ITestService>(
() => service,
() => new ConstantDelayPolicy(TimeSpan.FromMilliseconds(50)),
retryCount: 2);
actionInvoker.AddResponseToRetryOn <Response>(r => r.ResponseMessage == failResponse.ResponseMessage);
var response = actionInvoker.Invoke(s => s.TestMethodComplex(new Request()));
Assert.That(response.ResponseMessage, Is.EqualTo(successResponse.ResponseMessage));
}
public void AddResponseToRetryOn_RetriesOnMatchedPredicate_WhenMultiplePredicatesAreRegistered()
{
var service = Substitute.For <ITestService>();
var firstFailResponse = new Response {
StatusCode = 100
};
var secondFailResponse = new Response {
StatusCode = 101
};
var successResponse = new Response {
StatusCode = 1
};
service
.TestMethodComplex(Arg.Any <Request>())
.Returns(firstFailResponse, secondFailResponse, successResponse);
var actionInvoker = new RetryingWcfActionInvoker <ITestService>(
() => service,
() => new ConstantDelayPolicy(TimeSpan.FromMilliseconds(50)),
retryCount: 2);
actionInvoker.AddResponseToRetryOn <IResponseStatus>(r => r.StatusCode == firstFailResponse.StatusCode);
actionInvoker.AddResponseToRetryOn <IResponseStatus>(r => r.StatusCode == secondFailResponse.StatusCode);
var response = actionInvoker.Invoke(s => s.TestMethodComplex(new Request()));
Assert.That(response.StatusCode, Is.EqualTo(successResponse.StatusCode));
}
public void Benchmark_RetryingWcfActionInvoker_Invoke()
{
var service = Substitute.For <ITestService>();
service
.TestMethodComplex(Arg.Any <Request>())
.Returns(new Response {
StatusCode = 1
});
var actionInvoker = new RetryingWcfActionInvoker <ITestService>(
() => service);
actionInvoker.AddResponseToRetryOn <IResponseStatus>(r => r.StatusCode == 100);
var sw = Stopwatch.StartNew();
foreach (var i in Enumerable.Range(0, 300000))
{
var response = actionInvoker.Invoke(s => s.TestMethodComplex(new Request()));
Assert.That(response.StatusCode, Is.EqualTo(1));
}
sw.Stop();
Trace.WriteLine(string.Format("Complete in {0}", sw.Elapsed));
}
public void AddResponseToRetryOn_RetriesOnConfiguredResponse_ForResponseType()
{
var mockService = new Mock <ITestService>();
var failResponse = new Response {
ResponseMessage = "fail"
};
var successResponse = new Response {
ResponseMessage = "success"
};
mockService
.SetupSequence(m => m.TestMethodComplex(It.IsAny <Request>()))
.Returns(failResponse)
.Returns(failResponse)
.Returns(successResponse);
var actionInvoker = new RetryingWcfActionInvoker <ITestService>(
() => new TestServiceImpl(mockService),
() => new ConstantDelayPolicy(TimeSpan.FromMilliseconds(50)),
retryCount: 2);
actionInvoker.AddResponseToRetryOn <Response>(r => r.ResponseMessage == failResponse.ResponseMessage);
var response = actionInvoker.Invoke(s => s.TestMethodComplex(new Request()));
Assert.That(response.ResponseMessage, Is.EqualTo(successResponse.ResponseMessage));
}
public void AddExceptionToRetryOn_PassesThroughException_OnConfiguredException_WhenPredicateDoesNotMatch()
{
var mockService = new Mock <ITestService>();
mockService.Setup(m => m.TestMethod(It.IsAny <string>())).Throws <TimeoutException>();
var actionInvoker = new RetryingWcfActionInvoker <ITestService>(
() => new TestServiceImpl(mockService),
() => new ConstantDelayPolicy(TimeSpan.FromMilliseconds(50)));
actionInvoker.AddExceptionToRetryOn <TimeoutException>(where : e => e.Message == "not the message");
Assert.That(() => actionInvoker.Invoke(s => s.TestMethod("test")), Throws.TypeOf <TimeoutException>());
}
public void Benchmark_RetryingWcfActionInvoker_Invoke()
{
var service = Substitute.For<ITestService>();
service
.TestMethodComplex(Arg.Any<Request>())
.Returns(new Response { StatusCode = 1 });
var actionInvoker = new RetryingWcfActionInvoker<ITestService>(
() => service);
actionInvoker.AddResponseToRetryOn<IResponseStatus>(r => r.StatusCode == 100);
var sw = Stopwatch.StartNew();
foreach (var i in Enumerable.Range(0, 300000))
{
var response = actionInvoker.Invoke(s => s.TestMethodComplex(new Request()));
Assert.That(response.StatusCode, Is.EqualTo(1));
}
sw.Stop();
Trace.WriteLine(string.Format("Complete in {0}", sw.Elapsed));
}
private void AssertThatCallRetriesOnException <TException>(
Action <RetryingWcfActionInvoker <ITestService> > configurator = null,
Func <TException> exceptionFactory = null)
where TException : Exception, new()
{
var service = Substitute.For <ITestService>();
if (exceptionFactory != null)
{
service
.TestMethod(Arg.Any <string>())
.Throws(exceptionFactory());
}
else
{
service
.TestMethod(Arg.Any <string>())
.Throws <TException>();
}
var delayPolicy = Substitute.For <IDelayPolicy>();
var actionInvoker = new RetryingWcfActionInvoker <ITestService>(
() => service,
() => delayPolicy,
retryCount: 5);
configurator?.Invoke(actionInvoker);
Assert.That(
() => actionInvoker.Invoke(s => s.TestMethod("test")),
Throws.TypeOf <WcfRetryFailedException>());
delayPolicy
.Received(5)
.GetDelay(Arg.Is <int>(i => i >= 0 && i <= 4));
}
private void AssertThatCallRetriesOnException <TException>(
Action <RetryingWcfActionInvoker <ITestService> > configurator = null,
Func <TException> exceptionFactory = null)
where TException : Exception, new()
{
var mockService = new Mock <ITestService>();
if (exceptionFactory != null)
{
mockService.Setup(m => m.TestMethod(It.IsAny <string>())).Throws(exceptionFactory());
}
else
{
mockService.Setup(m => m.TestMethod(It.IsAny <string>())).Throws <TException>();
}
var mockDelayPolicy = new Mock <IDelayPolicy>();
var actionInvoker = new RetryingWcfActionInvoker <ITestService>(
() => new TestServiceImpl(mockService),
() => mockDelayPolicy.Object,
retryCount: 5);
if (configurator != null)
{
configurator(actionInvoker);
}
Assert.That(
() => actionInvoker.Invoke(s => s.TestMethod("test")),
Throws.TypeOf <WcfRetryFailedException>());
mockDelayPolicy.Verify(
m => m.GetDelay(It.IsInRange(0, 4, Range.Inclusive)),
Times.Exactly(5));
}
