build: version release metadata filename

tests/test_packaging.py

@@ -95,7 +95,23 @@ class PackagingTests(unittest.TestCase):
         self.assertIn('Assert-NoExcludedData -Root $releaseDir', script)
         self.assertIn('-m app.release_manifest manifest', script)
         self.assertIn('-m app.release_manifest metadata', script)
-        self.assertIn('release-metadata.json', script)
+        self.assertIn(
+            '$releaseMetadata = Join-Path $releaseRoot "release-metadata${appVersion}.json"',
+            script,
+        )
+        self.assertIn(
+            '$legacyReleaseMetadata = Join-Path $releaseRoot "release-metadata.json"',
+            script,
+        )
+        self.assertIn(
+            '@($releaseDir, $portableZip, $releaseMetadata, $legacyReleaseMetadata)',
+            script,
+        )
+        self.assertNotIn(
+            '$releaseMetadata = Join-Path $releaseRoot "release-metadata.json"',
+            script,
+        )
+        self.assertNotIn('release-metadata*.json', script)
         self.assertIn('cmshopee-updater.spec', script)
         self.assertIn('cmshopee-updater.exe', script)
 
@@ -158,6 +174,25 @@ class PackagingTests(unittest.TestCase):
             )
             self.assertEqual("cmshopee-portable-v1", release["package_format"])
 
+    def test_release_metadata_can_be_written_to_versioned_filename(self):
+        with tempfile.TemporaryDirectory() as temp_dir:
+            zip_path = Path(temp_dir) / "蝦皮圈優化助手1.2.3.zip"
+            zip_path.write_bytes(b"portable-zip")
+            output = Path(temp_dir) / "release-metadata1.2.3.json"
+
+            written = release_manifest.write_release_metadata(zip_path, "1.2.3", output)
+            metadata = json.loads(written.read_text(encoding="utf-8"))
+
+            self.assertEqual(output, written)
+            self.assertEqual("release-metadata1.2.3.json", written.name)
+            self.assertEqual("1.2.3", metadata["release"]["version"])
+            self.assertEqual(zip_path.name, metadata["release"]["download_filename"])
+            self.assertEqual(zip_path.stat().st_size, metadata["release"]["size_bytes"])
+            self.assertEqual(
+                hashlib.sha256(b"portable-zip").hexdigest(),
+                metadata["release"]["sha256"],
+            )
+
 
 if __name__ == "__main__":
     unittest.main()