public ValidationResult CombineWith(ValidationResult other)
{
Requires.NotNull("other", other);
//Just concatenate the errors collection
return new ValidationResult(_Errors.Concat(other.Errors));
}
public void ValidateObject_Returns_Failed_Result_If_Any_Attribute_Does_Not_Validate()
{
// Arrange
TestClass cls = new TestClass {
Foo = new object(), Bar = "BarBaz"
};
DataAnnotationsObjectValidator validator = new DataAnnotationsObjectValidator();
// Act
ValidationResult result = validator.ValidateObject(cls);
// Assert
Assert.IsFalse(result.IsValid);
}
public void ValidateObject_Returns_Successful_Result_If_All_Attributes_On_All_Properties_Validate()
{
// Arrange
TestClass cls = new TestClass {
Foo = new object(), Bar = "Baz"
};
DataAnnotationsObjectValidator validator = new DataAnnotationsObjectValidator();
// Act
ValidationResult result = validator.ValidateObject(cls);
// Assert
Assert.IsTrue(result.IsValid);
}
public void ValidateObject_Collects_Error_Messages_From_Validation_Attributes()
{
// Arrange
TestClass cls = new TestClass {
Foo = null, Bar = "BarBaz"
};
DataAnnotationsObjectValidator validator = new DataAnnotationsObjectValidator();
// Act
ValidationResult result = validator.ValidateObject(cls);
// Assert
Assert.IsFalse(result.IsValid);
Assert.AreEqual("Dude, you forgot to enter a Foo", result.Errors.Where(e => e.PropertyName == "Foo").Single().ErrorMessage);
Assert.AreEqual("Yo, you have to specify 5 characters for Bar", result.Errors.Where(e => e.PropertyName == "Bar").Single().ErrorMessage);
}
public void ValidateObject_Collects_ValidationAttribute_Objects_From_Failed_Validation()
{
// Arrange
TestClass cls = new TestClass {
Foo = null, Bar = "BarBaz"
};
DataAnnotationsObjectValidator validator = new DataAnnotationsObjectValidator();
// Act
ValidationResult result = validator.ValidateObject(cls);
// Assert
Assert.IsFalse(result.IsValid);
Assert.IsInstanceOf <RequiredAttribute>(result.Errors.Single(e => e.PropertyName == "Foo").Validator);
Assert.IsInstanceOf <StringLengthAttribute>(result.Errors.Single(e => e.PropertyName == "Bar").Validator);
}
