public void RecreateStorageCommandSubscibesRecreateStorage()
{
var term = new Term("term4", "def 4");
// Create service mock that allows to load terms, prevents
// adding a term, and verifies recreation attempt.
var observable = new Mock <IObservable <Unit> >();
observable.Setup(o => o.Subscribe(It.IsAny <IObserver <Unit> >())).Verifiable();
var service = this._termsServiceMock;
service
.Setup(s => s.AddTerm(term, ThreadPoolScheduler.Instance))
.Returns(() => Observable.Throw <Term>(new InvalidTermsStorageException("Invalid")));
service
.Setup(s => s.RecreateStorage(
It.Is <IEnumerable <Term> >(terms => !TermListViewModelFixture.SampleTerms.Except(terms).Any()),
ThreadPoolScheduler.Instance))
.Returns(() => observable.Object);
// Create view model to test invokation on RecreateStorage.
var editModel = TermListViewModelFixture.MockEditModel(term);
var listModel = TermListViewModelFixture.CreateViewModelLoaded(service.Object, editModel);
listModel.AddTerm.Execute(null);
DispatcherHelper.ProcessCurrentQueue();
listModel.RecreateStorage.Execute(null);
observable.Verify();
}
public void ModelNotifiesWhenRecreateStorageFailed()
{
var term = new Term("term4", "def 4");
var service = new Mock <ITermsService>();
service
.Setup(s => s.LoadTerms(ThreadPoolScheduler.Instance))
.Returns(() => Observable.Throw <IEnumerable <Term> >(new InvalidTermsStorageException("Invalid")));
service
.Setup(s => s.RecreateStorage(It.Is <IEnumerable <Term> >(terms => !terms.Any()), ThreadPoolScheduler.Instance))
.Returns(() => Observable.Throw <Unit>(new InvalidTermsStorageException("Invalid")));
var editModel = TermListViewModelFixture.MockEditModel(term);
var listModel = TermListViewModelFixture.CreateViewModelLoaded(service.Object, editModel);
Assert.IsTrue(listModel.RecreateStorage.CanExecute(null));
listModel.RecreateStorage.Execute(null);
DispatcherHelper.ProcessCurrentQueue();
Assert.IsNotNull(listModel.Notification);
Assert.IsTrue(listModel.RecreateStorage.CanExecute(null));
}
public void ModelNotifiesAndStaysInEditModeWhenAcceptEditFailed()
{
var oldTerm = TermListViewModelFixture.SampleTerms[0];
var newTerm = new Term("term4", "def 4");
var msg = "Failed";
var service = this._termsServiceMock;
service
.Setup(s => s.UpdateTerm(oldTerm, newTerm, ThreadPoolScheduler.Instance))
.Returns(() => Observable.Throw <Term>(new Exception(msg)));
var editModel = TermListViewModelFixture.MockEditModel(newTerm);
var listModel = TermListViewModelFixture.CreateViewModelLoaded(service.Object, editModel);
listModel.EditTerm.Execute(oldTerm);
listModel.Accept.Execute(null);
DispatcherHelper.ProcessCurrentQueue();
Assert.IsTrue(listModel.Terms.Cast <Term>().Contains(oldTerm));
Assert.IsFalse(listModel.Terms.Cast <Term>().Contains(newTerm));
Assert.AreEqual(msg, listModel.Notification);
Assert.IsTrue(listModel.IsEditMode);
}
public void AcceptCommandShouldRefreshCommandState()
{
var oldTerm = TermListViewModelFixture.SampleTerms[0];
var newTerm = new Term("term4", "def 4");
var service = this._termsServiceMock;
service
.Setup(s => s.UpdateTerm(oldTerm, newTerm, ThreadPoolScheduler.Instance))
.Returns(() => Observable.Return(newTerm));
var editModel = TermListViewModelFixture.MockEditModel(newTerm);
var listModel = TermListViewModelFixture.CreateViewModelLoaded(service.Object, editModel);
listModel.EditTerm.Execute(oldTerm);
listModel.Accept.Execute(null);
DispatcherHelper.ProcessCurrentQueue();
Assert.IsTrue(listModel.AddTerm.CanExecute(null));
Assert.IsTrue(listModel.EditTerm.CanExecute(newTerm));
Assert.IsFalse(listModel.DeleteTerm.CanExecute(null));
Assert.IsFalse(listModel.Accept.CanExecute(null));
Assert.IsFalse(listModel.Cancel.CanExecute(null));
}
public void AcceptAddCommandShowsNewTerm()
{
var term = new Term("term4", "def 4");
var service = this._termsServiceMock;
service.Setup(s => s.AddTerm(term, ThreadPoolScheduler.Instance)).Returns(() => Observable.Return(term));
var editModel = TermListViewModelFixture.MockEditModel(term);
var listModel = TermListViewModelFixture.CreateViewModelLoaded(service.Object, editModel);
listModel.AddTerm.Execute(null);
listModel.Accept.Execute(null);
DispatcherHelper.ProcessCurrentQueue();
Assert.IsTrue(listModel.Terms.Cast <Term>().Contains(term));
Assert.IsFalse(listModel.IsEditMode);
}
public void AcceptAddCommandSubscibesAddTerm()
{
var term = new Term("term4", "def 4");
var observable = new Mock <IObservable <Term> >();
observable.Setup(o => o.Subscribe(It.IsAny <IObserver <Term> >())).Verifiable();
var service = this._termsServiceMock;
service.Setup(s => s.AddTerm(term, ThreadPoolScheduler.Instance)).Returns(() => observable.Object);
var editModel = TermListViewModelFixture.MockEditModel(term);
var listModel = TermListViewModelFixture.CreateViewModelLoaded(service.Object, editModel);
listModel.AddTerm.Execute(null);
listModel.Accept.Execute(null);
DispatcherHelper.ProcessCurrentQueue();
observable.Verify();
}
public void AcceptAddCommandEnablesRecreateStorageForInvalidStorage()
{
var term = new Term("term4", "def 4");
var service = this._termsServiceMock;
service
.Setup(s => s.AddTerm(term, ThreadPoolScheduler.Instance))
.Returns(() => Observable.Throw <Term>(new InvalidTermsStorageException("Invalid")));
var editModel = TermListViewModelFixture.MockEditModel(term);
var listModel = TermListViewModelFixture.CreateViewModelLoaded(service.Object, editModel);
listModel.AddTerm.Execute(null);
Assert.IsFalse(listModel.RecreateStorage.CanExecute(null));
listModel.Accept.Execute(null);
DispatcherHelper.ProcessCurrentQueue();
Assert.IsTrue(listModel.RecreateStorage.CanExecute(null));
}