public void UsedOnWrongTypeShouldThrow()
{
// the attribute should be used only types that implement IList
// so if the attribute is used on an incorrect type the developer should get feedback and not say everything is ok
ListPropertyForbiddenValueAttribute attr = new ListPropertyForbiddenValueAttribute("vrk");
Action act = () => attr.IsValid("NotAnIList");
act.ShouldThrow <Exception>("Because attribute is used on a wrong type (should be used only on types that implement IList).");
}
public void AllowOnlyStringsInList()
{
ListPropertyForbiddenValueAttribute attr = new ListPropertyForbiddenValueAttribute("vrk");
List <int> inValues = new List <int>(3)
{
10, 100, 151
};
attr.IsValid(inValues).Should().BeFalse();
}
public void ForbiddenValueInList()
{
ListPropertyForbiddenValueAttribute attr = new ListPropertyForbiddenValueAttribute("vrk");
List <string> inValues = new List <string>(4)
{
"ptv", "question", " ", "vrk"
};
attr.IsValid(inValues).Should().BeFalse();
}
public void NullValueInListIsNotValid()
{
// null values are not allowed in list
ListPropertyForbiddenValueAttribute attr = new ListPropertyForbiddenValueAttribute("vrk");
List <string> inValues = new List <string>()
{
"ptv", "some long string", null
};
attr.IsValid(inValues).Should().BeFalse();
}
public void ForbiddenValueInCustomObjectList()
{
ListPropertyForbiddenValueAttribute attr = new ListPropertyForbiddenValueAttribute("vrk", "String");
List <SomeDemoObject> inValues = new List <SomeDemoObject>()
{
new SomeDemoObject()
{
Integer = 10,
String = "text"
},
new SomeDemoObject()
{
Integer = 100,
String = "vrk"
}
};
attr.IsValid(inValues).Should().BeFalse();
}
public void EmptyListIsValidationSuccess()
{
ListPropertyForbiddenValueAttribute attr = new ListPropertyForbiddenValueAttribute("vrk");
attr.IsValid(new List <string>()).Should().BeTrue();
}
public void NullListIsValidationSuccess()
{
ListPropertyForbiddenValueAttribute attr = new ListPropertyForbiddenValueAttribute("vrk");
attr.IsValid(null).Should().BeTrue();
}