public async Task PolicyCallsTheLoggerIfPolicyHandlesResult()
{
ILogger expectedLogger = new StubLogger();
Func <Context, ILogger> loggerProvider = _ => expectedLogger;
ILogger invokedLogger = null;
Exception exceptionInvokedFor = null;
HttpStatusCode?resultInvokedFor = null;
Action <ILogger, Context, DelegateResult <HttpStatusCode> > logAction = (logger, context, outcome) =>
{
invokedLogger = logger;
exceptionInvokedFor = outcome.Exception;
resultInvokedFor = outcome.Result;
};
AsyncLoggingPolicy <HttpStatusCode> policy = Policy <HttpStatusCode>
.Handle <TaskCanceledException>()
.OrResult(r => r != HttpStatusCode.OK)
.AsyncLog(loggerProvider, logAction);
var returnedResult = HttpStatusCode.InternalServerError;
await policy.ExecuteAsync(() => Task.FromResult(returnedResult));
invokedLogger.Should().Be(expectedLogger);
exceptionInvokedFor.Should().BeNull();
resultInvokedFor.Should().Be(returnedResult);
}
public async Task PolicyDoesNotCallTheLoggerIfSuccessfulExecution()
{
ILogger expectedLogger = new StubLogger();
Func <Context, ILogger> loggerProvider = _ => expectedLogger;
ILogger invokedLogger = null;
Exception exceptionInvokedFor = null;
HttpStatusCode?resultInvokedFor = null;
Action <ILogger, Context, DelegateResult <HttpStatusCode> > logAction = (logger, context, outcome) =>
{
invokedLogger = logger;
exceptionInvokedFor = outcome.Exception;
resultInvokedFor = outcome.Result;
};
AsyncLoggingPolicy <HttpStatusCode> policy = Policy <HttpStatusCode>
.Handle <TaskCanceledException>()
.OrResult(r => r != HttpStatusCode.OK)
.AsyncLog(loggerProvider, logAction);
await policy.ExecuteAsync(() => Task.FromResult(HttpStatusCode.OK));
invokedLogger.Should().BeNull();
exceptionInvokedFor.Should().BeNull();
resultInvokedFor.Should().BeNull();
}
public void PolicyDoesNotCallTheLoggerIfSuccessfulExecution()
{
ILogger expectedLogger = new StubLogger();
Func <Context, ILogger> loggerProvider = _ => expectedLogger;
ILogger invokedLogger = null;
Exception exceptionInvokedFor = null;
Action <ILogger, Context, Exception> logAction = (logger, context, exception) =>
{
invokedLogger = logger;
exceptionInvokedFor = exception;
};
AsyncLoggingPolicy policy = Policy.Handle <TimeoutException>().AsyncLog(loggerProvider, logAction);
policy.ExecuteAsync(() => Task.CompletedTask);
invokedLogger.Should().BeNull();
exceptionInvokedFor.Should().BeNull();
}