Samuel Bouchet
97bca7d7df
GameSim snapshots the state before each undoable command (PlacePiece / RemovePiece / MovePiece) into a bounded LinkedList stack (max 32). Undo() pops the last checkpoint and emits StateRestoredEvent, reusing the presentation rebuild path already wired for QuickLoad. Ctrl+Z in Main triggers the engine method; the harness exposes undo() for tests. QuickLoad clears the stack (fresh timeline). Seven unit tests cover empty stack, place/remove/move undo, reverse-order multiple undos, rejected commands not checkpointing, and post-simulation rewind.
44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
"""End-to-end smoke test for Undo."""
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import sys
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from pathlib import Path
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sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
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from tools.automation.harness import Harness
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def main():
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with Harness.launch(run_name="undo") as h:
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h.load_mission("campaign_01", 0)
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h.screenshot("01_loaded")
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initial = h.state()
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assert len(initial['pieces']) == 0
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h.place("Pawn", (0, 0), (0, 1))
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h.place("Pawn", (1, 0), (1, 1))
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h.screenshot("02_two_pieces")
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s = h.state()
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assert len(s['pieces']) == 2, f"expected 2 pieces, got {len(s['pieces'])}"
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r = h.undo()
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print(f"[undo] {r}")
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h.screenshot("03_after_first_undo")
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s = h.state()
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assert len(s['pieces']) == 1, f"expected 1 piece, got {len(s['pieces'])}"
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r = h.undo()
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print(f"[undo] {r}")
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h.screenshot("04_after_second_undo")
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s = h.state()
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assert len(s['pieces']) == 0
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assert s['remainingStock']['Pawn'] == 4
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r = h.undo()
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print(f"[undo empty] {r}")
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assert r['undone'] is False
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print("OK — Undo works")
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if __name__ == "__main__":
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main()
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