public void Init() { _gauge = new FakeGauge(); _requestDelegate = context => Task.CompletedTask; _sut = new HttpInFlightMiddleware(_requestDelegate, _gauge); }
public async Task Given_request_throws_then_InFlightGauge_is_decreased() { _requestDelegate = context => throw new InvalidOperationException(); _sut = new HttpInFlightMiddleware(_requestDelegate, _gauge); await Assert.ThrowsExceptionAsync <InvalidOperationException>(() => _sut.Invoke(new DefaultHttpContext())); Assert.AreEqual(1, _gauge.IncrementCount); Assert.AreEqual(1, _gauge.DecrementCount); Assert.AreEqual(0, _gauge.Value); }
public void Setup() { _registry = Metrics.NewCustomRegistry(); _factory = Metrics.WithCustomRegistry(_registry); _inFlightMiddleware = new HttpInFlightMiddleware(next => Task.CompletedTask, _factory.CreateGauge("in_flight", "help")); _countMiddleware = new HttpRequestCountMiddleware(next => Task.CompletedTask, _factory.CreateCounter("count", "help")); _durationMiddleware = new HttpRequestDurationMiddleware(next => Task.CompletedTask, _factory.CreateHistogram("duration", "help")); }