private static void AssertValidationError(ValidationException validationException,
string propertyName,
string errorMessage)
{
Assert.IsNotNull(validationException.ValidationErrors);
Assert.GreaterThan(validationException.ValidationErrors.Count, 0);
//asser the correct error
Assert.AreEqual(validationException.ValidationErrors
.Count(e => e.PropertyName == propertyName &&
e.ErrorMessage == errorMessage), 1);
}
public void posting_invalid_data_to_edit_returns_view_and_adds_modelerror()
{
//arrange
var id = 1;
var name = string.Empty;
var subject = "Welcome to Springfield!";
var text = "Lorem ipsum dolor sit amet.";
var html = "<p>Lorem <b>ipsum</b> dolor sit amet.</p>";
var form = new FormCollection{
{ "Name", name },
{ "Subject", subject },
{ "Text", text },
{ "Html", html }
};
controller.ValueProvider = form.ToValueProvider();
var ex = new ValidationException(
new List<ValidationError>{
new ValidationError( "Name", "Name is a required field." )
}
);
service.Expect( x => x.Update( It.IsAny<Message>() ) ).Throws( ex );
//act
var result = controller.Edit_Post( id );
//assert
Assert.IsAssignableFrom( typeof(ViewResult), result );
var viewResult = (ViewResult)result;
Assert.AreEqual( "", viewResult.ViewName );
Assert.IsFalse( viewResult.ViewData.ModelState.IsValid );
}