40 lines
1.7 KiB
Python
40 lines
1.7 KiB
Python
"""Guard cache invalidation against stale documents and needless metadata rebuilds."""
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from pathlib import Path
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import subprocess
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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 ci
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class FingerprintTests(unittest.TestCase):
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def test_build_inputs_invalidate_but_metadata_and_caches_do_not(self):
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with tempfile.TemporaryDirectory() as directory:
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root = Path(directory)
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subprocess.run(["git", "init", "-q", str(root)], check=True)
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(root / ".gitignore").write_text(".artifacts/\n**/.next/\n")
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doc = root / "content/docs/concept.md"
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doc.parent.mkdir(parents=True)
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doc.write_text("# Original\n")
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package = root / "package.json"
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package.write_text('{"private":true}\n')
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with patch.object(ci, "ROOT", root):
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original = ci.fingerprint()
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(root / "README.md").write_text("metadata only\n")
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cache = root / "apps/docs/.next/cache/state"
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cache.parent.mkdir(parents=True)
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cache.write_text("compiler cache\n")
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self.assertEqual(original, ci.fingerprint())
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doc.write_text("# Updated\n")
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self.assertNotEqual(original, ci.fingerprint())
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doc.write_text("# Original\n")
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package.write_text('{"private":true,"version":"2"}\n')
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self.assertNotEqual(original, ci.fingerprint())
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package.write_text('{"private":true}\n')
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doc.rename(doc.with_name("renamed.md"))
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self.assertNotEqual(original, ci.fingerprint())
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if __name__ == "__main__":
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unittest.main()
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