public void Merge(IValidationSummary summary)
{
foreach (var result in summary.ValidationResults)
{
AddResult(result);
}
}
protected override void Validate(IValidationSummary summary, Person item)
{
if (item.Name == "Taylor" && item.Firstname == "Tim")
{
summary.AddResult(new ValidationResult(Severity.Error, "Tim Taylor is not alowed"));
}
base.Validate(summary, item);
}
protected override void Validate(IValidationSummary summary, TestClass item)
{
if (item.Index < 1)
{
summary.AddResult(new ValidationResult(Severity.Error, "Index is smaller than 1"));
}
base.Validate(summary, item);
}
public void ViewModelBaseNoErrorsTest()
{
var personViewModel = new PersonViewModel {
PersonFirstName = "Igr Alexánder", PersonLastName = "Fernández Saúco"
};
personViewModel.Validate();
IValidationSummary validationSummary = personViewModel.ValidationContext.GetValidationSummary("Person");
Assert.IsFalse(validationSummary.HasErrors);
Assert.IsFalse(validationSummary.HasWarnings);
}
public void ModelBaseWithFieldValidationTest()
{
var personViewModel = new PersonViewModelWithModel {
Person = new Person {
FirstName = "Igr Alexánder", LastName = string.Empty
}
};
// I have to add this call here
personViewModel.Validate();
IValidationSummary validationSummary = personViewModel.ValidationContext.GetValidationSummary("Person");
Assert.IsTrue(validationSummary.HasErrors);
}
/// <summary>
/// Creates a new <see cref="Command{TExecuteParameter}"/> that automatically determines whether it can be executed. It does this
/// by checking the right validation summary, which should be in a property..
/// </summary>
/// <typeparam name="TExecuteParameter">The type of the execute parameter.</typeparam>
/// <param name="execute">The action to execute when the command is being invoked.</param>
/// <param name="validationSummaryPropertyExpression">The validation summary property expression.</param>
/// <param name="tag">The tag for the command.</param>
/// <returns>The created command.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="execute"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">The <paramref name="validationSummaryPropertyExpression"/> is <c>null</c>.</exception>
public static Command <TExecuteParameter> CreateCommand <TExecuteParameter>(Action <TExecuteParameter> execute, Expression <Func <IValidationSummary> > validationSummaryPropertyExpression, object tag = null)
{
Argument.IsNotNull("execute", execute);
Argument.IsNotNull("validationSummaryPropertyExpression", validationSummaryPropertyExpression);
var property = validationSummaryPropertyExpression.Compile();
var command = new Command <TExecuteParameter>(execute, parameter =>
{
IValidationSummary validationSummary = property.Invoke();
return((validationSummary != null) && (!validationSummary.HasErrors));
}, tag);
return(command);
}
public void ViewModelBaseWithFieldErrorsAndBusinessRuleWarningsValidationTest()
{
var personViewModel = new PersonViewModel();
personViewModel.Validate();
IValidationSummary validationSummary = personViewModel.ValidationContext.GetValidationSummary("Person");
Assert.IsTrue(validationSummary.HasErrors);
Assert.IsTrue(validationSummary.HasFieldErrors);
Assert.AreEqual(2, validationSummary.FieldErrors.Count);
Assert.IsTrue(validationSummary.FieldErrors[0].Message.Contains("First name"));
Assert.IsTrue(validationSummary.FieldErrors[1].Message.Contains("Last name"));
Assert.IsTrue(validationSummary.HasWarnings);
Assert.IsTrue(validationSummary.HasBusinessRuleWarnings);
Assert.AreEqual(2, validationSummary.BusinessWarnings.Count);
Assert.IsTrue(validationSummary.BusinessWarnings[0].Message.Contains("First name"));
Assert.IsTrue(validationSummary.BusinessWarnings[1].Message.Contains("Last name"));
}
protected virtual void Validate(IValidationSummary summary, T item)
{
// method that is called for custom validation implemented in inherited object
}
