static void TestTransitionBrokenStateAfterTimeOutPeriodBackToABrokenStateOnAFailedSingleCallByThread()
{
var validThreshold = 3;
var validTimeSpan = TimeSpan.FromMilliseconds(400);
var circuitBreaker = new CircuitBreaker(validThreshold, validTimeSpan);
var testMethodCall = new TestMethodCall();
CircuitBreaker actual = null;
for (var errorCount = 1; errorCount <= circuitBreaker.Threshold; errorCount++)
{
actual = circuitBreaker.TryInvoke(() => testMethodCall.ErrorProneMethod());
}
Thread.Sleep(validTimeSpan);
actual.Should().NotBeNull();
var beforeInvokeCallCount = 0;
actual.BeforeInvoke += (sender, args) =>
{
actual.IsMendingAndHalfway.Should().BeTrue();
beforeInvokeCallCount++;
};
actual = actual.TryInvoke(() => testMethodCall.ErrorProneMethod());
testMethodCall.FailingMethodCallCount.Should().Be(4);
actual.Failures.Should().Be(4);
beforeInvokeCallCount.Should().Be(1);
actual.IsMendingAndHalfway.Should().BeFalse();
actual.IsHealthyAndClosed.Should().BeFalse();
actual.IsBrokenAndOpen.Should().BeTrue();
actual.IsThresholdReached.Should().BeTrue();
actual.LastError.Should().NotBeNull();
Debug.WriteLine(Thread.CurrentThread.Name);
}
public CircuitBreakerShould()
{
validThreshold = 3;
validTimeSpan = TimeSpan.FromMilliseconds(400);
circuitBreaker = new CircuitBreaker(validThreshold, validTimeSpan);
this.testMethodCall = new TestMethodCall();
}
