public async Task event_should_report_Failure_if_one_handler_throws_an_exception() { var registry = new EventHandlerRegistry(); var container = Substitute.For <IContainer>(); var scope1 = Substitute.For <IContainerScope>(); var scope2 = Substitute.For <IContainerScope>(); var successHandler = new SuccessfulHandler(); var failingHandler = new FailingHandler(); bool actual = false; registry.Map <TestEvent>(failingHandler.GetType()); registry.Map <TestEvent>(successHandler.GetType()); container.CreateScope().Returns(scope1, scope2); scope1.Resolve(failingHandler.GetType()).Returns(failingHandler); scope2.Resolve(successHandler.GetType()).Returns(successHandler); var sut = new SeparateScopesIocEventBus(container, registry); sut.EventPublished += (sender, args) => actual = args.Successful; try { sut.PublishAsync(new TestEvent()); } catch { } actual.Should().BeFalse(); }
public async Task one_failing_handler_should_not_abort_others() { var registry = new EventHandlerRegistry(); var container = Substitute.For <IContainer>(); var scope1 = Substitute.For <IContainerScope>(); var scope2 = Substitute.For <IContainerScope>(); var evt = new TestEvent(); var successHandler = new SuccessfulHandler(); var failingHandler = new FailingHandler(); Exception actual = null; registry.Map <TestEvent>(failingHandler.GetType()); registry.Map <TestEvent>(successHandler.GetType()); container.CreateScope().Returns(scope1, scope2); scope1.Resolve(failingHandler.GetType()).Returns(failingHandler); scope2.Resolve(successHandler.GetType()).Returns(successHandler); var sut = new SeparateScopesIocEventBus(container, registry); try { await sut.PublishAsync(evt); } catch (Exception exception) { actual = exception; } successHandler.IsCalled.Should().BeTrue(); actual.Should().BeOfType <AggregateException>(); }
public async Task should_trigger_scope_closing_on_failing_handler() { var registry = new EventHandlerRegistry(); var container = Substitute.For <IContainer>(); var scope = Substitute.For <IContainerScope>(); var handler = new FailingHandler(); ScopeClosingEventArgs actual = null; registry.Map <TestEvent>(handler.GetType()); scope.Resolve(handler.GetType()).Returns(handler); container.CreateScope().Returns(scope); var sut = new SeparateScopesIocEventBus(container, registry); sut.ScopeClosing += (sender, args) => actual = args; try { await sut.PublishAsync(new TestEvent()); } catch (AggregateException) { //ignore for test purposes } actual.Should().NotBeNull(); actual.HandlersWasSuccessful.Should().BeFalse(); }
public void Handlers_can_return_false_safely() { var handler = new FailingHandler(); var hub = new Hub(); hub.Subscribe(handler); bool result = hub.Publish(new InheritedEvent()); Assert.Equal(1, handler.Handled); Assert.False(result); }