/// <summary>
/// Gets some information using the Retry resilience pattern.
///
/// Upon encountering an Internal Server Error (500), the repository method will perform
/// a maximum of 3 retries and will wait respectively 1, 2 and 3 seconds between the attempts.
/// </summary>
public string GetDataUsingRetryPatternWithSpecifiedTimeouts()
{
var request =
new RestClientWrapper("http://localhost:60540")
.SetResource(_endpointWithTransientFaultsRoute)
.SetMethod(Method.GET);
string response = ExecuteWithRetryAndTimeoutPolicy <string>(() => request.Execute());
return(response);
}
public void Api_RestClientWrapper_Execute_TriesToExecute(RestResponse response, bool expectedFromOneAttempt)
{
var clientMock = new Mock <RestClient>();
clientMock.Setup(x => x.Execute(It.IsAny <IRestRequest>())).Returns(response);
var restClientWrapper = new RestClientWrapper(new RestClientWrapperCredentials());
restClientWrapper.Execute(clientMock.Object, It.IsAny <IRestRequest>());
var times = expectedFromOneAttempt ? Times.Once() : Times.AtLeastOnce();
clientMock.Verify(mock => mock.Execute(It.IsAny <IRestRequest>()), times);
}
/// <summary>
/// Gets some information using both the Circuit Breaker and Retry resilience pattern.
/// </summary>
public string GetDataUsingRetryAndCircuitBreakerPattern()
{
var request =
new RestClientWrapper("http://localhost:60540")
.SetResource(_endpointWithTransientFaultsRoute)
.SetMethod(Method.GET);
try
{
var response = ExecuteWithResiliencePolicy <string>(() => request.Execute());
return(response);
}
catch (BrokenCircuitException ex)
{
_logger.Information("OUT OF ORDER: Circuit breaker is currently tripped. Sorry.");
return("Service unavailable");
}
}