public void ConfigurationModelValidator_TryValidateObject__when__no_errors__then__returns_false()
{
ConfigurationModelValidator v = new ConfigurationModelValidator();
IEnumerable <ConfigurationModelValidationError> errors;
bool isValid = v.TryValidateModel(
new MyModel()
{
Max5Characters = "1234"
}, out errors);
Assert.IsTrue(isValid);
Assert.IsNotNull(errors);
Assert.AreEqual(0, errors.Count());
}
public void ConfigurationModelValidator_TryValidateObject__when__single_error__then__returns_false_and_well_formed_error()
{
ConfigurationModelValidator v = new ConfigurationModelValidator();
IEnumerable <ConfigurationModelValidationError> errors;
bool isValid = v.TryValidateModel(
new MyModel()
{
Max5Characters = "123456789"
}, out errors);
Assert.IsFalse(isValid); // !
Assert.IsNotNull(errors);
Assert.AreEqual(1, errors.Count());
Assert.AreEqual("The field Max5Characters must be a string with a maximum length of 5.", errors.First().ErrorMessage);
Assert.AreEqual(nameof(MyModel.Max5Characters), errors.First().MemberNames.First());
}
public void ConfigurationModelValidator_TryValidateObject__when__a_nested_object_is_invalid__then__returns_false_and_well_formed_error()
{
ConfigurationModelValidator v = new ConfigurationModelValidator();
IEnumerable <ConfigurationModelValidationError> errors;
bool isValid = v.TryValidateModel(
new MyModel()
{
Max5Characters = "12345",
SingleLetter = "a",
AnotherModel = new AnotherModel()
{
SingleLetter = "Oops"
}
}, out errors);
Assert.IsFalse(isValid); // !
Assert.IsNotNull(errors);
Assert.AreEqual(1, errors.Count());
Assert.AreEqual("The field AnotherModel references an object that failed validation.", errors.First().ErrorMessage);
Assert.AreEqual(nameof(MyModel.AnotherModel), errors.First().MemberNames.First());
}