public void After_it_is_subscribed_a_Feature_is_available_if_an_initialization_function_is_supplied() { var feature = new Feature<string>(() => "hello"); feature.Subscribe(f => { }); Assert.That(feature.Availability.First(), Is.True); }
public void Feature_observable_returns_feature_from_object_ctor() { var feature = new Feature<string>((object) "hello"); feature.Subscribe(v => { }); Assert.That(feature.First(), Is.EqualTo("hello")); }
public void Feature_observable_returns_feature_from_object_ctor_when_passed_a_delegate() { Func<object> getter = () => "hello"; var feature = new Feature<string>(getter); feature.Subscribe(v => { }); Assert.That(feature.First(), Is.EqualTo("hello")); }
public void Feature_starts_in_an_unavailable_state_if_no_instance_is_provided() { var feature = new Feature<string>(); var scheduler = new TestScheduler(); bool wasAvailable = false; feature.Availability.Timeout(TimeSpan.FromMinutes(5), scheduler).Subscribe(i => wasAvailable = i, ex => { }); scheduler.AdvanceBy(TimeSpan.FromDays(1).Ticks); Assert.That(wasAvailable, Is.False); }
public void Feature_initialization_can_time_out() { string result = null; var feature = new Feature<string>(() => { Thread.Sleep(TimeSpan.FromSeconds(1)); return "hi"; }); var featureWithTimeout = feature.Timeout(TimeSpan.FromSeconds(.1)); featureWithTimeout.Subscribe(s => result = s, ex => { /* ignore the TimeoutException */ }); Assert.That(result, Is.Null); }
public void A_feature_can_be_subscribed_before_it_is_registered_and_when_it_is_later_initialized_subscribers_will_be_notified() { string result = null; var feature = new Feature<string>(); feature.Subscribe(s => result = s); Assert.That(result, Is.Null); feature.OnNext("hello"); Assert.That(result, Is.EqualTo("hello")); }
public void When_a_feature_fails_to_load_the_error_is_published_to_OnError_and_not_thrown() { var feature = new Feature<string>(() => { throw new ArgumentException("oops!"); }); Exception error = null; string result = null; feature.Subscribe(f => result = f, ex => error = ex); Assert.That(result, Is.Null); Assert.That(error, Is.InstanceOf<ArgumentException>()); }
public void A_Feature_whose_instance_is_an_IFeature_is_unavailable_until_the_IFeature_is_available() { var inner = new Feature<string>(); var outer = new Feature<Feature<string>>(inner); bool available = false; outer.Availability.Subscribe(a => available = a); Assert.That(available, Is.False); inner.OnNext("hello"); Assert.That(available, Is.True); }
public void When_wrapped_class_duck_types_IFeature_then_its_Availability_is_mirrored_by_Feature_of_Ts_Availability() { var feature = new Feature<DuckTypedFeature>(() => new DuckTypedFeature()); DuckTypedFeature.ActivateCount.Should().Be(0); feature.Availability .SubscribeOn(Scheduler.Immediate) .Subscribe(); DuckTypedFeature.ActivateCount.Should().Be(1); }
public void When_true_availability_has_been_signaled_then_IsAvailable_is_true() { var feature = new Feature<ActivatableFeature>(new ActivatableFeature(Observable.Return(true))); Assert.That(feature.IsAvailable(), Is.True); }
public void When_no_availability_has_been_signaled_then_IsAvailable_is_false() { var subject = new ReplaySubject<bool>(); var feature = new Feature<ActivatableFeature>(new ActivatableFeature(subject)); Assert.That(feature.IsAvailable(), Is.False); }
public void A_Feature_name_can_be_overridden_using_DisplayNameAttribute() { var feature = new Feature<SomethingWithDisplayName>(); Assert.That(feature.Name, Is.EqualTo("hello")); }
public void A_Feature_has_a_name_based_on_the_type() { var feature = new Feature<string>(); Assert.That(feature.Name, Is.EqualTo("System.String")); }
public void A_Feature_whose_instance_is_an_IFeature_produces_a_value_when_the_IFeature_is_available() { var inner = new Feature<string>(); var outer = new Feature<Feature<string>>(inner); Feature<string> result = null; outer.Subscribe(v => result = v); inner.OnNext("hello"); Assert.That(outer.Availability.First(), Is.EqualTo(true)); Assert.That(outer.First().First(), Is.EqualTo("hello")); }