public void NotifyObservers_MultipleObserversDetachingOrAttachingOthers_NoUpdatesForAttachedAndDetachedObservers() { // Setup var mocks = new MockRepository(); var testObservable = new TestObservable(); var observer1 = mocks.Stub <IObserver>(); var observer2 = mocks.Stub <IObserver>(); var observer3 = mocks.Stub <IObserver>(); var observer4 = mocks.Stub <IObserver>(); var observer5 = mocks.Stub <IObserver>(); var observer6 = mocks.Stub <IObserver>(); testObservable.Attach(observer1); testObservable.Attach(observer2); testObservable.Attach(observer3); testObservable.Attach(observer4); testObservable.Attach(observer6); observer1.Expect(o => o.UpdateObserver()); observer2.Expect(o => o.UpdateObserver()).Do((Action)(() => testObservable.Detach(observer3))); observer3.Expect(o => o.UpdateObserver()).Repeat.Never(); // A detached observer should no longer be updated observer4.Expect(o => o.UpdateObserver()).Do((Action)(() => testObservable.Attach(observer5))); observer5.Expect(o => o.UpdateObserver()).Repeat.Never(); // An attached observer should not be updated too observer6.Expect(o => o.UpdateObserver()); mocks.ReplayAll(); // Call testObservable.NotifyObservers(); // Assert mocks.VerifyAll(); }
public void DoPostImport_AfterImport_CallUpdateStrategyAndObserversNotified() { // Setup var updateSectionsWithImportedDataObservable = new TestObservable(); var doPostUpdateActionsObservable = new TestObservable(); var mocks = new MockRepository(); var updateStrategy = mocks.StrictMock <IFailureMechanismSectionUpdateStrategy>(); updateStrategy.Expect(us => us.UpdateSectionsWithImportedData(null, null)) .IgnoreArguments() .Return(new[] { updateSectionsWithImportedDataObservable }); updateStrategy.Expect(us => us.DoPostUpdateActions()) .Return(new[] { doPostUpdateActionsObservable }); var messageProvider = mocks.Stub <IImporterMessageProvider>(); var updateSectionsWithImportedDataObserver = mocks.StrictMock <IObserver>(); updateSectionsWithImportedDataObserver.Expect(o => o.UpdateObserver()); var doPostUpdateActionsObserver = mocks.StrictMock <IObserver>(); doPostUpdateActionsObserver.Expect(o => o.UpdateObserver()); mocks.ReplayAll(); string referenceLineFilePath = TestHelper.GetTestDataPath(TestDataPath.Riskeer.Common.IO, Path.Combine("ReferenceLine", "traject_1-1.shp")); string sectionsFilePath = TestHelper.GetTestDataPath(TestDataPath.Riskeer.Common.IO, Path.Combine("FailureMechanismSections", "traject_1-1_vakken.shp")); ReferenceLine importReferenceLine = ImportReferenceLine(referenceLineFilePath); var failureMechanism = new TestFailureMechanism(); var importer = new FailureMechanismSectionsImporter(failureMechanism, importReferenceLine, sectionsFilePath, updateStrategy, messageProvider); importer.Import(); updateSectionsWithImportedDataObservable.Attach(updateSectionsWithImportedDataObserver); doPostUpdateActionsObservable.Attach(doPostUpdateActionsObserver); // Call importer.DoPostImport(); // Assert mocks.VerifyAll(); }
public void Observers_WhenAttachingObserver_ContainsExpectedObserver() { // Setup var mocks = new MockRepository(); var testObservable = new TestObservable(); var observer = mocks.Stub <IObserver>(); testObservable.Attach(observer); mocks.ReplayAll(); // Call IEnumerable <IObserver> observers = testObservable.Observers; // Assert Assert.AreSame(observer, observers.Single()); mocks.VerifyAll(); }
public void NotifyObserver_AttachedObserverDetachedAgain_ObserverNoLongerNotified() { // Setup var mocks = new MockRepository(); var observer = mocks.StrictMock <IObserver>(); mocks.ReplayAll(); var observable = new TestObservable(); observable.Attach(observer); observable.Detach(observer); // Call observable.NotifyObservers(); // Assert mocks.VerifyAll(); // Expect no calls on 'observer' }
public void NotifyObservers_WithObserverAttached_ObserverIsNotified() { // Setup var mocks = new MockRepository(); var observer = mocks.StrictMock <IObserver>(); observer.Expect(o => o.UpdateObserver()); // Expect to be called once mocks.ReplayAll(); var observable = new TestObservable(); observable.Attach(observer); // Call observable.NotifyObservers(); // Assert mocks.VerifyAll(); }