public void ExecuteCommand(ValidationCommandContext context)
{
bool condition = Condition.Invoke();
object value = RequiredProperty.Compile().Invoke();
var propertyName = RequiredProperty.GetPropertyName();
if (value == null && condition)
{
context.AddError(new ValidationResult(ErrorMessage, new[] { propertyName }));
}
}
public void PropertyValidatorValidateTests()
{
var testObject = new TestObject();
var validator = new RequiredProperty();
Assert.IsFalse(validator.IsValid(null));
Assert.IsFalse(validator.IsValid(" "));
Assert.IsTrue(validator.IsValid("Somthing"));
Assert.IsNotNull(validator.GetErrorMessage("RequiredProperty"));
}
void Ex13()
{
When("the property validation is enabled", () => RequiredProperty.EnableValidation(() => RequiredProperty));
When("the property validation is ensured", () => RequiredProperty.EnsureValidation());
AssertValidationError(RequiredProperty, "Please enter a value.");
}