public void PersonViewModelIsValidTest()
{
var personView = new MockPersonView();
var personViewModel = new PersonViewModel(personView);
Assert.IsTrue(personViewModel.IsValid);
AssertHelper.PropertyChangedEvent(personViewModel, x => x.IsValid, () => personViewModel.IsValid = false);
Assert.IsFalse(personViewModel.IsValid);
}
public void PersonViewModelCommandsTest()
{
MockPersonView personView = new MockPersonView();
PersonViewModel personViewModel = new PersonViewModel(personView);
DelegateCommand mockCommand = new DelegateCommand(() => { });
AssertHelper.PropertyChangedEvent(personViewModel, x => x.CreateNewEmailCommand, () =>
personViewModel.CreateNewEmailCommand = mockCommand);
Assert.AreEqual(mockCommand, personViewModel.CreateNewEmailCommand);
}
public void PersonViewModelIsValidTest()
{
MockPersonView personView = new MockPersonView();
PersonViewModel personViewModel = new PersonViewModel(personView);
Assert.IsTrue(personViewModel.IsValid);
AssertHelper.PropertyChangedEvent(personViewModel, x => x.IsValid, () => personViewModel.IsValid = false);
Assert.IsFalse(personViewModel.IsValid);
}
public void CreateNewEmailTest()
{
Person harry = new Person()
{
Firstname = "Harry", Email = "*****@*****.**"
};
Person ron = new Person()
{
Firstname = "Ron", Email = "Wrong Address"
};
IEntityService entityService = Container.GetExportedValue <IEntityService>();
entityService.Persons.Add(harry);
entityService.Persons.Add(ron);
PersonController personController = Container.GetExportedValue <PersonController>();
personController.Initialize();
MockPersonListView personListView = Container.GetExportedValue <MockPersonListView>();
PersonListViewModel personListViewModel = ViewHelper.GetViewModel <PersonListViewModel>(personListView);
MockPersonView personView = Container.GetExportedValue <MockPersonView>();
PersonViewModel personViewModel = ViewHelper.GetViewModel <PersonViewModel>(personView);
ICommand command = personListViewModel.CreateNewEmailCommand;
Assert.AreEqual(command, personViewModel.CreateNewEmailCommand);
MockEmailService emailService = Container.GetExportedValue <MockEmailService>();
command.Execute(harry);
Assert.AreEqual(harry.Email, emailService.ToEmailAddress);
// An error message should occur when the email address is invalid.
MockMessageService messageService = Container.GetExportedValue <MockMessageService>();
messageService.Clear();
emailService.ToEmailAddress = null;
command.Execute(ron);
Assert.AreEqual(MessageType.Error, messageService.MessageType);
Assert.AreEqual(Resources.CorrectEmailAddress, messageService.Message);
Assert.IsNull(emailService.ToEmailAddress);
// An error message should occur when no email address was entered.
messageService.Clear();
emailService.ToEmailAddress = null;
ron.Email = null;
command.Execute(ron);
Assert.AreEqual(MessageType.Error, messageService.MessageType);
Assert.AreEqual(Resources.CorrectEmailAddress, messageService.Message);
Assert.IsNull(emailService.ToEmailAddress);
}
public void PersonViewModelCommandsTest()
{
MockPersonView personView = new MockPersonView();
PersonViewModel personViewModel = new PersonViewModel(personView);
DelegateCommand mockCommand = new DelegateCommand(() => { });
AssertHelper.PropertyChangedEvent(personViewModel, x => x.CreateNewEmailCommand, () =>
personViewModel.CreateNewEmailCommand = mockCommand);
Assert.AreEqual(mockCommand, personViewModel.CreateNewEmailCommand);
}
public void PersonViewModelPersonTest()
{
MockPersonView personView = new MockPersonView();
PersonViewModel personViewModel = new PersonViewModel(personView);
Assert.IsFalse(personViewModel.IsEnabled);
Person person = new Person();
AssertHelper.PropertyChangedEvent(personViewModel, x => x.Person, () => personViewModel.Person = person);
Assert.AreEqual(person, personViewModel.Person);
Assert.IsTrue(personViewModel.IsEnabled);
AssertHelper.PropertyChangedEvent(personViewModel, x => x.IsEnabled, () => personViewModel.Person = null);
Assert.IsNull(personViewModel.Person);
Assert.IsFalse(personViewModel.IsEnabled);
}
public void PersonViewModelPersonTest()
{
var personView = new MockPersonView();
var personViewModel = new PersonViewModel(personView);
Assert.IsFalse(personViewModel.IsEnabled);
var person = new Person();
AssertHelper.PropertyChangedEvent(personViewModel, x => x.Person, () => personViewModel.Person = person);
Assert.AreEqual(person, personViewModel.Person);
Assert.IsTrue(personViewModel.IsEnabled);
AssertHelper.PropertyChangedEvent(personViewModel, x => x.IsEnabled, () => personViewModel.Person = null);
Assert.IsNull(personViewModel.Person);
Assert.IsFalse(personViewModel.IsEnabled);
}
public void AddAndRemoveTest()
{
Person harry = new Person()
{
Firstname = "Harry"
};
Person ron = new Person()
{
Firstname = "Ron"
};
IEntityService entityService = Container.GetExportedValue <IEntityService>();
entityService.Persons.Add(harry);
entityService.Persons.Add(ron);
PersonController personController = Container.GetExportedValue <PersonController>();
personController.Initialize();
MockPersonListView personListView = Container.GetExportedValue <MockPersonListView>();
PersonListViewModel personListViewModel = ViewHelper.GetViewModel <PersonListViewModel>(personListView);
personListViewModel.PersonCollectionView = personListViewModel.Persons;
MockPersonView personView = Container.GetExportedValue <MockPersonView>();
PersonViewModel personViewModel = ViewHelper.GetViewModel <PersonViewModel>(personView);
// Add a new Person
Assert.AreEqual(2, entityService.Persons.Count);
Assert.IsTrue(personListViewModel.AddNewCommand.CanExecute(null));
personListViewModel.AddNewCommand.Execute(null);
Assert.AreEqual(3, entityService.Persons.Count);
// Check that the new Person is selected and the first control gets the focus
Assert.AreEqual(entityService.Persons.Last(), personViewModel.Person);
Assert.IsTrue(personListView.FirstCellHasFocus);
// Simulate an invalid UI input state => the user can't add more persons
AssertHelper.CanExecuteChangedEvent(personListViewModel.AddNewCommand, () =>
personViewModel.IsValid = false);
Assert.IsFalse(personListViewModel.AddNewCommand.CanExecute(null));
Assert.IsFalse(personListViewModel.RemoveCommand.CanExecute(null));
// Remove the last two Persons at once
personViewModel.IsValid = true;
personListView.FirstCellHasFocus = false;
personListViewModel.AddSelectedPerson(ron);
personListViewModel.AddSelectedPerson(entityService.Persons.Last());
Assert.IsTrue(personListViewModel.RemoveCommand.CanExecute(null));
personListViewModel.RemoveCommand.Execute(null);
Assert.IsTrue(entityService.Persons.SequenceEqual(new Person[] { harry }));
Assert.AreEqual(harry, personViewModel.Person);
Assert.IsTrue(personListView.FirstCellHasFocus);
// Deselect all Persons => the Remove command must be deactivated
AssertHelper.CanExecuteChangedEvent(personListViewModel.RemoveCommand, () =>
{
personListViewModel.SelectedPersons.ToList().ForEach(x => personListViewModel.RemoveSelectedPerson(x));
personListViewModel.SelectedPerson = null;
});
Assert.IsFalse(personListViewModel.RemoveCommand.CanExecute(null));
}
