public void ResiliencePolicyManager_WhenRequestIsWorthRetrying_RequestIsRetriedAccordingToSettings()
{
var AMOUNT_OF_RETRIES = 3;
var resilienceSettings = new ResilienceSettings()
{
AmountOfRetries = AMOUNT_OF_RETRIES, BreakerAttemptThreshold = AMOUNT_OF_RETRIES * 2, CircuitBreakerTrippedTimeoutInSeconds = 10
};
var sut = new ResiliencePolicyManager(resilienceSettings);
var expected = 1 + AMOUNT_OF_RETRIES;
int actual = 0;
var func = new Func <IRestResponse>(
() =>
{
actual++;
return(new RestResponse {
StatusCode = sut.StatusCodesWorthRetrying.First()
});
}
);
sut.ResiliencePolicy.Execute(func);
Assert.Equal(actual, expected);
}
public void ResiliencePolicyManager_WhenRequestIsSuccessful_RequestIsExecutedOnce()
{
var _fixture = new Fixture();
var resilienceSettings = _fixture.Create <ResilienceSettings>();
var sut = new ResiliencePolicyManager(resilienceSettings);
var expected = 1;
int actual = 0;
var func = new Func <IRestResponse>(
() =>
{
actual++;
return(new RestResponse {
StatusCode = System.Net.HttpStatusCode.OK
});
}
);
sut.ResiliencePolicy.Execute(func);
Assert.Equal(actual, expected);
}
public void ResiliencePolicyManager_WhenRequestFailsTooManyTimes_CircuitBreakerIsTripped()
{
var AMOUNT_OF_RETRIES = 10;
var BREAKER_ATTEMPT_THRESHOLD = 3;
var resilienceSettings = new ResilienceSettings()
{
AmountOfRetries = AMOUNT_OF_RETRIES, BreakerAttemptThreshold = BREAKER_ATTEMPT_THRESHOLD, CircuitBreakerTrippedTimeoutInSeconds = 10
};
var sut = new ResiliencePolicyManager(resilienceSettings);
var expected = BREAKER_ATTEMPT_THRESHOLD;
var func = new Func <IRestResponse>(
() =>
{
return(new RestResponse {
StatusCode = sut.StatusCodesWorthRetrying.First()
});
}
);
Assert.Throws <BrokenCircuitException <IRestResponse> >(() => sut.ResiliencePolicy.Execute(func));
}
