public void IsValidReturnsFalseWhenGivenCollectionIsNull()
{
IValidationRule <FakeObjectToValidate> rule = new CollectionCannotBeEmptyRule <FakeObjectToValidate, string>
(f => f.ListOfStrings, "list");
bool isValid = rule.IsValid(new FakeObjectToValidate());
Assert.IsFalse(isValid, "IsValid returned true for null collection.");
}
public void GetErrorMessageReturnsMessageWhenNonNullObjectGiven()
{
IValidationRule <FakeObjectToValidate> rule = new CollectionCannotBeEmptyRule <FakeObjectToValidate, string>
(f => f.ListOfStrings, "list");
string errorMessage = rule.GetErrorMessage(new FakeObjectToValidate());
Assert.IsNotNull(errorMessage);
Assert.IsNotEmpty(errorMessage);
}
public void IsValidReturnsFalseForEmptyCollection()
{
IValidationRule <FakeObjectToValidate> rule = new CollectionCannotBeEmptyRule <FakeObjectToValidate, string>
(f => f.ListOfStrings, "list");
bool isValid = rule.IsValid(new FakeObjectToValidate {
ListOfStrings = new List <string>()
});
Assert.IsFalse(isValid, "IsValid returned false for empty collection.");
}
public void IsValidReturnsTrueForCollectionThatIsNotEmpty()
{
IValidationRule <FakeObjectToValidate> rule = new CollectionCannotBeEmptyRule <FakeObjectToValidate, string>
(f => f.ListOfStrings, "list");
bool isValid = rule.IsValid(new FakeObjectToValidate {
ListOfStrings = new List <string> {
"3"
}
});
Assert.IsTrue(isValid, "IsValid returned false for non-empty collection.");
}
