public void ViewModel_must_be_invalid_when_created()
{
var mainViewModelValidator = new MainViewModelValidator ();
var repository = new Mock<IRepository> ();
var vm = new MainViewModel (mainViewModelValidator, repository.Object);
vm.IsValid.ShouldBeFalse ();
}
private bool IsValid()
{
var result = new MainViewModelValidator().Validate(this);
this.ValidationErrors = new ObservableCollection <ValidationError>(result.ValidationErrors);
this.RaisePropertyChanged(nameof(ValidationErrors));
return(result.IsValid);
}
public MainPage()
{
var viewModelValidator = new MainViewModelValidator ();
//This really should be an Dependency Injection container
var repository = new Repository (new InstructorModelValidator(), new ClassModelValidator());
_viewModel = new MainViewModel (viewModelValidator, repository);
this.BindingContext = _viewModel;
InitializeComponent ();
agreementSwitch.Toggled += (sender, args) =>
{
ageValidator.Validate(null, null);
};
}
public void Email_must_be_a_valid_address_format()
{
var fixture = new Fixture();
var mainViewModelValidator = new MainViewModelValidator ();
var repository = new Mock<IRepository> ();
var vm = new MainViewModel (mainViewModelValidator, repository.Object);
fixture.Customizations.Add(new RandomNumericSequenceGenerator(1, 17));
vm.Age = fixture.Create<int> ();
vm.IsAgreementAccepted = false;
vm.EmailAddress = fixture.Create<string>();
vm.IsValid.ShouldBeFalse ();
}
public void Agreement_can_be_false_when_age_is_less_than_18()
{
var fixture = new Fixture();
var mainViewModelValidator = new MainViewModelValidator ();
var repository = new Mock<IRepository> ();
var vm = new MainViewModel (mainViewModelValidator, repository.Object);
fixture.Customizations.Add(new RandomNumericSequenceGenerator(1, 17));
vm.Age = fixture.Create<int> ();
vm.IsAgreementAccepted = false;
vm.EmailAddress = fixture.Create<string>() + "@foobar.com";
vm.IsValid.ShouldBeTrue ();
}
public void ViewModel_must_not_save_models_when_invalid()
{
var mainViewModelValidator = new MainViewModelValidator ();
var repository = new Mock<IRepository> ();
var vm = new MainViewModel (mainViewModelValidator, repository.Object);
vm.Save.Execute (null);
repository.Verify (x => x.Save (), Times.Never);
}
public void ViewModel_must_save_models_when_valid()
{
var fixture = new Fixture();
var mainViewModelValidator = new MainViewModelValidator ();
var repository = new Mock<IRepository> ();
var vm = new MainViewModel (mainViewModelValidator, repository.Object);
fixture.Customizations.Add(new RandomNumericSequenceGenerator(1, 17));
vm.Age = fixture.Create<int> ();
vm.IsAgreementAccepted = true;
vm.EmailAddress = fixture.Create<string>() + "@foobar.com";
vm.Save.Execute (null);
repository.Verify (x => x.Save (), Times.Once);
}
