public void AbstractViewModel_with_no_validation_service_always_validates_to_true()
{
var sut = new SampleTestViewModel();
var isValid = sut.Validate();
Assert.IsTrue(isValid);
}
public void AbstractViewModel_with_no_validation_service_has_no_errors()
{
var sut = new SampleTestViewModel();
sut.Validate();
var errors = sut.ValidationErrors;
Assert.IsTrue(errors.Count == 0);
}
public void AbstractViewModel_When_merge_errors_changes_it_should_not_fail()
{
var sut = new SampleTestViewModel();
var svc = new DataAnnotationValidationService <SampleTestViewModel>(sut);
sut.ValidateUsing(svc, forceIsValidationEnabledTo: true);
sut.Validate();
svc.MergeValidationErrors = !svc.MergeValidationErrors;
}
public void AbstractViewModel_with_validation_service_should_generate_expected_errors()
{
var sut = new SampleTestViewModel();
sut.ValidateUsing(
new DataAnnotationValidationService <SampleTestViewModel>(sut));
sut.Validate();
var errors = sut.ValidationErrors;
Assert.IsTrue(errors.Count == 1);
}
public void AbstractMementoViewModel_When_Validate_and_Validation_is_suspended_Validated_event_should_not_be_raised()
{
Boolean raised = false;
var sut = new SampleTestViewModel();
var svc = new DataAnnotationValidationService <SampleTestViewModel>(sut);
sut.ValidateUsing(svc, forceIsValidationEnabledTo: true);
sut.Validated += (s, e) => raised = true;
using (svc.SuspendValidation()) //so that we can change a property without triggering the validation process
{
sut.Validate();
}
Assert.IsFalse(raised);
}
public void AbstractViewModel_when_validating_entire_entity_PropertyChanged_for_IsValid_property_should_be_raised()
{
bool raised = false;
var sut = new SampleTestViewModel();
sut.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "IsValid")
{
raised = true;
}
};
sut.ValidateUsing(
new DataAnnotationValidationService <SampleTestViewModel>(sut),
forceIsValidationEnabledTo: true);
var isValid = sut.Validate();
Assert.IsFalse(isValid);
Assert.IsTrue(raised);
}