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);
}
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);
}