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();
}
