Property validators
These operate on structure, not value.
Property — Should exist
Used for
Checking whether a property or key exists in the filter output.
How it works
- Tests presence of the property
What it will find
- Missing parameters
- Incorrect filter design
What it will not find
- Empty values
- Invalid content
Property — Should not exist
Used for
Ensuring something is not applicable in this context.
How it works
- Passes only if property is absent
What it will find
- Over-modeled data
- Misplaced parameters
What it will not find
- Wrong values inside existing properties