tests/grid/test_game_import.py

def test_game_module_imports_and_action_maps_are_consistent():
    from proteus.game.engine.grid import (
        MotiveGridGame,
        _DIRECTION_DELTAS,
        _ACTION_TO_GAMEACTION,
        _GAMEACTION_TO_ACTION,
    )
    # Every *movement* action has a delta and a GameAction, and the reverse map
    # is exact. "interact" is the lone no-move action: it has a delta (0, 0) but
    # no dedicated GameAction (it reuses stay's ACTION5 in apply_motive_action),
    # so it is intentionally absent from _ACTION_TO_GAMEACTION.
    assert set(_DIRECTION_DELTAS) - {"interact"} == set(_ACTION_TO_GAMEACTION)
    assert "interact" in _DIRECTION_DELTAS and "interact" not in _ACTION_TO_GAMEACTION
    assert _GAMEACTION_TO_ACTION == {v: k for k, v in _ACTION_TO_GAMEACTION.items()}