public async Task AddFailureUponCrossingThreadholdShouldCallOpenCircuitOrchestrator()
{
Mock <IDurableClient> clientMock = new Mock <IDurableClient>();
clientMock.Setup(service => service.StartNewAsync("OpenCircuit", It.IsAny <FailureRequest>())).Returns(Task.FromResult(string.Empty)).Verifiable();
CircuitBreakerActor function = new CircuitBreakerActor(clientMock.Object, this.logger);
FailureRequest req = new FailureRequest
{
RequestId = "RequestId",
FailureTime = DateTime.UtcNow,
InstanceId = "InstanceId",
ResourceId = "ResourceID",
};
for (int i = 1; i <= 2; i++)
{
req.RequestId = $"Req{i}";
req.FailureTime = req.FailureTime.AddSeconds(10);
await function.AddFailure(req).ConfigureAwait(false);
}
string expectedLogText = "Break this circuit for entity";
Assert.Contains(expectedLogText, this.logger.Logs[1], StringComparison.OrdinalIgnoreCase);
Mock.Verify();
}
public void VeirfyOpenCircuitState()
{
CircuitBreakerActor function = new CircuitBreakerActor(this.durableClientMock.Object, this.logger);
function.OpenCircuit();
Assert.Equal(CircuitState.Open, function.State);
}
public async Task AddFailureThrowExceptionWhenFailureRequestIsNull()
{
CircuitBreakerActor function = new CircuitBreakerActor(this.durableClientMock.Object, this.logger);
Func <Task> testCode = async() => await function.AddFailure(null).ConfigureAwait(false);
var ex = await Record.ExceptionAsync(testCode).ConfigureAwait(false);
Assert.NotNull(ex);
Assert.IsType <ArgumentNullException>(ex);
}
public async Task AddFailureShouldCountIncomingEvents1()
{
this.durableClientMock.Setup(service => service.StartNewAsync(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <string>())).Returns(Task.FromResult(string.Empty));
CircuitBreakerActor function = new CircuitBreakerActor(this.durableClientMock.Object, this.logger);
FailureRequest req = new FailureRequest
{
RequestId = "RequestId",
FailureTime = DateTime.UtcNow,
InstanceId = "InstanceId",
ResourceId = "ResourceID",
};
req.RequestId = "Req1";
await function.AddFailure(req).ConfigureAwait(false);
string expectedLogText = "currently has 1 exceptions in the window";
Assert.Contains(expectedLogText, this.logger.Logs[0], StringComparison.OrdinalIgnoreCase);
}
public async Task ShouldGenerateWarningLogIfCircuitIsAlreadyOpen()
{
this.durableClientMock.Setup(service => service.StartNewAsync(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <string>())).Returns(Task.FromResult(string.Empty));
CircuitBreakerActor function = new CircuitBreakerActor(this.durableClientMock.Object, this.logger);
FailureRequest req = new FailureRequest
{
RequestId = "RequestId",
FailureTime = DateTime.UtcNow,
InstanceId = "InstanceId",
ResourceId = "ResourceID",
};
for (int i = 1; i <= 3; i++)
{
req.RequestId = $"Req{i}";
req.FailureTime = req.FailureTime.AddSeconds(10);
await function.AddFailure(req).ConfigureAwait(false);
}
string expectedLogText = "Tried to add additional failure to";
Assert.Contains(expectedLogText, this.logger.Logs[3], StringComparison.OrdinalIgnoreCase);
}
