public void OnCreation_ImmediatelyRetrievesFeatureValues()
{
var featureContext = Substitute.For<IFeaturesContext>();
featureContext.Features.Returns(new TestDbSet<Feature>(new[]
{
new Feature { Name = "Test1" },
new Feature { Name = "Test2" }
}));
var pollingFeatureCache = new PollingCacheFeatureProvider(featureContext);
Assert.IsNotNull(pollingFeatureCache.Get("Test1"));
}
public void OnCreation_SchedulesNextUpdate()
{
var featureContext = CreateContext(new[]
{
new Feature { Name = "Test1" },
new Feature { Name = "Test2" }
});
var pollingFeatureCache = new PollingCacheFeatureProvider(featureContext, TimeSpan.FromMilliseconds(100));
Assert.IsNull(pollingFeatureCache.Get("Test3"));
featureContext.Features.Add(new Feature { Name = "Test3" });
Thread.Sleep(200);
Assert.IsNotNull(pollingFeatureCache.Get("Test3"));
}
public void WhenMultipleScheduledValuesExist_ReturnsCurrentlyActiveValue()
{
var featureContext = CreateContext(new[]
{
new Feature { Name = "Feature1", EffectiveAt = new DateTimeOffset(2015, 01, 01, 12, 00, 00, TimeSpan.Zero), Enabled = true },
new Feature { Name = "Feature1", EffectiveAt = new DateTimeOffset(2015, 01, 01, 17, 00, 00, TimeSpan.Zero), Enabled = false }
});
var pollingFeatureCache = new PollingCacheFeatureProvider(featureContext);
Clock.Freeze(new DateTime(2015, 01, 01, 12, 00, 00));
Assert.IsTrue(pollingFeatureCache.Get("Feature1").Enabled);
Clock.Freeze(new DateTime(2015, 01, 01, 16, 59, 59, 999));
Assert.IsTrue(pollingFeatureCache.Get("Feature1").Enabled);
Clock.Freeze(new DateTime(2015, 01, 01, 17, 0, 0));
Assert.IsFalse(pollingFeatureCache.Get("Feature1").Enabled);
}