{"id":"inline-tests-with-unittest","text":"Some solution files include a `unittest.TestCase` subclass and `__main__` block alongside the solution, making them independently runnable via `python -m unittest` or direct execution.","truth_value":"IN","source":"entries/2026/06/06/surface-area-of-3d-shapes-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"inline-tests-with-unittest","truth_value":"IN","reason":"premise"}]}}