public async Task TestNetworkDown() { var throwingApiAccess = new ThrowingFeatureToggleApiAccess(); IoCManager.RegisterInstance(typeof(IFeatureToggleApiAccess), throwingApiAccess); IFeatureToggleRouter router = await FeatureToggleRouter.CreateAsync(); foreach (var defaultEnabledFeatureId in FeatureConfiguration.DefaultEnabledFeatureIds) { var observer = new CachingObserver <bool>(); router.IsFeatureEnabled(defaultEnabledFeatureId).Subscribe(observer); Assert.IsTrue(observer.Last); } // Now generate some random disabled features and check whether // the router tells us that they are disabled var random = new Random(); for (var i = 0; i < 10;) { var featureId = random.Next(); if (FeatureConfiguration.DefaultEnabledFeatureIds.Contains((FeatureId)featureId)) { continue; } var observer = new CachingObserver <bool>(); router.IsFeatureEnabled((FeatureId)featureId).Subscribe(observer); Assert.IsFalse(observer.Last); i++; } }
public async Task TestSuccessfulUpdate() { var dummyApiAccess = new DummyFeatureToggleApiAccess { ReturnValue = new List <FeatureDto> { new FeatureDto(0, "Test", null, new List <int>(), new List <int>()) } }; IoCManager.RegisterInstance(typeof(IFeatureToggleApiAccess), dummyApiAccess); IFeatureToggleRouter router = await FeatureToggleRouter.CreateAsync(); var feature0Observer = new CachingObserver <bool>(); var feature1Observer = new CachingObserver <bool>(); router.IsFeatureEnabled(0).Subscribe(feature0Observer); router.IsFeatureEnabled((FeatureId)1).Subscribe(feature1Observer); Assert.IsTrue(feature0Observer.Last); Assert.IsFalse(feature1Observer.Last); // Swap feature states dummyApiAccess.ReturnValue = new List <FeatureDto> { new FeatureDto(1, "Test", null, new List <int>(), new List <int>()) }; await router.RefreshEnabledFeaturesAsync(); Assert.IsFalse(feature0Observer.Last); Assert.IsTrue(feature1Observer.Last); }
public async Task TestFailingUpdate() { var random = new Random(); var nonDefaultEnabledFeatureId = random.Next(); while (FeatureConfiguration.DefaultEnabledFeatureIds.Contains((FeatureId)nonDefaultEnabledFeatureId)) { nonDefaultEnabledFeatureId = random.Next(); } var dummyApiAccess = new DummyFeatureToggleApiAccess { ReturnValue = new List <FeatureDto> { new FeatureDto(nonDefaultEnabledFeatureId, "Test", null, new List <int>(), new List <int>()) } }; IoCManager.RegisterInstance(typeof(IFeatureToggleApiAccess), dummyApiAccess); IFeatureToggleRouter router = await FeatureToggleRouter.CreateAsync(); var feature0Observer = new CachingObserver <bool>(); router.IsFeatureEnabled((FeatureId)nonDefaultEnabledFeatureId).Subscribe(feature0Observer); Assert.IsTrue(feature0Observer.Last); // Make network fail, make sure no change is made and value doesn't revert to default // state (disabled) IoCManager.RegisterInstance(typeof(IFeatureToggleApiAccess), new ThrowingFeatureToggleApiAccess()); await router.RefreshEnabledFeaturesAsync(); Assert.IsTrue(feature0Observer.Last); }