public void Validation_Of_Field_When_Valid_Should_Succeeed()
{
var model = new MockModelWithValidation() { Title = "A valid Title" };
var target = new BindableValidator(model);
bool isValid = target.ValidateProperty("Title");
Assert.IsTrue(isValid);
Assert.IsTrue(target.GetAllErrors().Values.Count == 0);
}
public void Validation_Of_Field_When_Invalid_Should_Fail()
{
var model = new MockModelWithValidation() { Title = string.Empty };
var target = new BindableValidator(model);
bool isValid = target.ValidateProperty("Title");
Assert.IsFalse(isValid);
Assert.IsFalse(target.GetAllErrors().Values.Count == 0);
}
public void Validation_Of_Fields_When_Invalid_Should_Fail()
{
// Test model with invalid title
var modelWithInvalidTitle = new MockModelWithValidation()
{
Title = string.Empty,
Description = "A valid description"
};
var targetWithInvalidTitle = new BindableValidator(modelWithInvalidTitle);
bool resultWithInvalidTitle = targetWithInvalidTitle.ValidateProperties();
Assert.IsFalse(resultWithInvalidTitle);
Assert.IsFalse(targetWithInvalidTitle.GetAllErrors().Values.Count == 0);
// Test model with invalid description
var modelWithInvalidDescription = new MockModelWithValidation()
{
Title = "A valid Title",
Description = string.Empty
};
var targetWithInvalidDescription = new BindableValidator(modelWithInvalidDescription);
bool resultWithInvalidDescription = targetWithInvalidDescription.ValidateProperties();
Assert.IsFalse(resultWithInvalidDescription);
Assert.IsFalse(targetWithInvalidDescription.GetAllErrors().Values.Count == 0);
// Test model with invalid title + description
var modelInvalid = new MockModelWithValidation()
{
Title = "1234567894",
Description = string.Empty
};
var targetInvalid = new BindableValidator(modelInvalid);
bool resultInvalid = targetInvalid.ValidateProperties();
Assert.IsFalse(resultInvalid);
Assert.IsFalse(targetInvalid.GetAllErrors().Values.Count == 0);
}
public void Validation_Of_A_Nonexistent_Property_Should_Throw()
{
var model = new MockModelWithValidation();
var target = new BindableValidator(model);
var exception = Assert.ThrowsException<ArgumentException>(() =>
{
target.ValidateProperty("DoesNotExist");
});
const string expectedMessage = "The entity does not contain a property with that name\r\nParameter name: DoesNotExist";
Assert.AreEqual(expectedMessage, exception.Message);
}