40 lines
1.8 KiB
Python
40 lines
1.8 KiB
Python
import json
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from pathlib import Path
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import tempfile
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import unittest
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from unittest.mock import patch
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import hint_library as lib
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class HintLibraryTests(unittest.TestCase):
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def setUp(self):
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self.temp=tempfile.TemporaryDirectory()
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self.path=Path(self.temp.name)/"hints.json"
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self.patch=patch.object(lib,"PATH",self.path); self.patch.start()
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def tearDown(self):
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self.patch.stop(); self.temp.cleanup()
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def hint(self):
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return {"title":"Find the records","text":"Look at the sleeve — then the record.","categories":["Records","Discovery"],
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"phase":"ARCADE","target":"P03","condition":"incomplete","level":1}
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def test_persists_and_updates_with_stable_id(self):
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data=lib.save({"revision":0,"hint":self.hint()})
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self.assertEqual(lib.read(),data)
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added=data["hints"][-1]
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added["text"]="A clearer hint"
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updated=lib.save({"revision":1,"hint":added})
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self.assertEqual(len(data["hints"]),len(updated["hints"]))
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self.assertEqual(lib.read()["hints"][-1]["text"],"A clearer hint")
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self.assertTrue(self.path.with_suffix(".bak").exists())
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def test_conflict_preserves_other_device_edits(self):
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lib.save({"revision":0,"hint":self.hint()})
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before=self.path.read_bytes()
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with self.assertRaises(lib.Conflict): lib.save({"revision":0,"hint":self.hint()})
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self.assertEqual(self.path.read_bytes(),before)
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def test_bad_input_and_corrupt_file_are_not_overwritten(self):
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hint=self.hint(); hint["text"]="x"*1501
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with self.assertRaises(ValueError): lib.save({"revision":0,"hint":hint})
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self.path.write_text("broken",encoding="utf-8")
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with self.assertRaises(ValueError): lib.save({"revision":0,"hint":self.hint()})
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self.assertEqual(self.path.read_text(),"broken")
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if __name__=="__main__": unittest.main()
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