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test: cover upstream SHA mismatch failure #26

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Merged
vitormattos merged 1 commit into from
Sep 20, 2026
Merged

test: cover upstream SHA mismatch failure #26

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20 changes: 20 additions & 0 deletions tests/test_sync_upstream.py
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Original file line number Diff line number Diff line change
Expand Up @@ -129,6 +129,26 @@ def test_sync_writes_verified_content(self) -> None:
content,
)

def test_sync_rejects_sha_mismatch_without_writing_destination(self) -> None:
expected = b"name: Expected\n"
downloaded = b"name: Unexpected\n"
source = Source(
name="workflow",
url="https://example.invalid/workflow.yml",
sha256=hashlib.sha256(expected).hexdigest(),
destination=Path("templates/workflow.yml"),
)

with tempfile.TemporaryDirectory() as directory:
root = Path(directory)
destination = root / "templates/workflow.yml"

with patch("scripts.sync_upstream._download", return_value=downloaded):
with self.assertRaisesRegex(ValueError, "SHA-256 mismatch"):
sync([source], root)

self.assertFalse(destination.exists())

def test_check_detects_drift(self) -> None:
expected = b"name: Expected\n"
source = Source(
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