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snake-python/tests/test_DatasetExporter.py
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Python

import json
import tempfile
import unittest
from pathlib import Path
from server.DatasetExporter import DatasetExporter
class TestDatasetExporter(unittest.TestCase):
def test_export_jsonl(self):
with tempfile.TemporaryDirectory() as tmp:
input_dir = Path(tmp) / "data"
output_file = Path(tmp) / "out" / "dataset.jsonl"
game_file = input_dir / "game-1.json"
game_file.parent.mkdir(parents=True, exist_ok=True)
game_payload = {
"dataset": {
"game": {"id": "g-1", "map": "standard", "type": {"name": "duel"}},
"snake": {"type": "BestBattleSnake"},
"samples": [
{
"turn": 1,
"move": "up",
"is_good_move": True,
"game_board": {"width": 11, "height": 11},
"history": {"data": []},
}
],
}
}
game_file.write_text(json.dumps(game_payload), encoding="utf-8")
report = DatasetExporter(str(input_dir), str(output_file)).export_jsonl()
self.assertEqual(report["games_scanned"], 1)
self.assertEqual(report["samples_exported"], 1)
self.assertTrue(output_file.exists())
lines = output_file.read_text(encoding="utf-8").strip().splitlines()
self.assertEqual(len(lines), 1)
first = json.loads(lines[0])
self.assertEqual(first["game_id"], "g-1")
self.assertEqual(first["move"], "up")
self.assertTrue(first["is_good_move"])
if __name__ == "__main__":
unittest.main()