public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
IFeatureManager featureManager = context.HttpContext.RequestServices.GetRequiredService <IFeatureManagerSnapshot>();
if (await featureManager.IsEnabledAsync(FeatureName).ConfigureAwait(false))
{
var serviceProvider = context.HttpContext.RequestServices.GetRequiredService <IServiceProvider>();
IAsyncActionFilter filter = ActivatorUtilities.CreateInstance <T>(serviceProvider);
await filter.OnActionExecutionAsync(context, next).ConfigureAwait(false);
}
else
{
await next().ConfigureAwait(false);
}
}
public async Task OnActionExecutionAsyncMethodHappyPath2()
{
const string messageFormat = "My message format: {0}";
const LogLevel logLevel = LogLevel.Info;
const string exceptionMessageFormat = "My exception message format: {0}.";
const LogLevel exceptionLogLevel = LogLevel.Fatal;
const string actionName = "MyAction";
const string actionArgumentName = "foo";
const int actionArgument = 123;
var mockActionFilter = new Mock <LoggingActionFilter>(messageFormat, null, logLevel);
mockActionFilter.Object.ExceptionMessageFormat = exceptionMessageFormat;
mockActionFilter.Object.ExceptionLogLevel = exceptionLogLevel;
IAsyncActionFilter loggingActionFilter = mockActionFilter.Object;
var mockLogger = new MockLogger();
var httpContext = new DefaultHttpContext()
{
RequestServices = GetServiceProvider(mockLogger.Object)
};
var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor()
{
DisplayName = actionName
});
var context = new ActionExecutingContext(actionContext, Array.Empty <IFilterMetadata>(), new Dictionary <string, object>(), null);
context.ActionArguments.Add(actionArgumentName, actionArgument);
var actionExecutedContext = new ActionExecutedContext(actionContext, Array.Empty <IFilterMetadata>(), null);
var exception = actionExecutedContext.Exception = new Exception();
ActionExecutionDelegate next = () => Task.FromResult(actionExecutedContext);
await loggingActionFilter.OnActionExecutionAsync(context, next);
mockLogger.VerifyFatal(string.Format(exceptionMessageFormat, actionName), exception,
new { foo = 123, ResponseStatusCode = 500 }, Times.Once());
}