Organize gallery into highlighted photo groups

scripts/tests/test_photo_manifest.py

@@ -0,0 +1,37 @@
+import os
+import runpy
+import tempfile
+import unittest
+from pathlib import Path
+from unittest.mock import patch
+
+
+class PhotoManifestTest(unittest.TestCase):
+    def test_photo_receipts_accept_single_and_double_quoted_ids(self):
+        first = "a" * 64
+        second = "b" * 64
+        with tempfile.TemporaryDirectory() as directory:
+            root = Path(directory)
+            (root / "_site/art").mkdir(parents=True)
+            (root / "_site/snippets").mkdir(parents=True)
+            (root / "_site/art/index.html").write_text(
+                f'<span id="photo-{first}"></span><span id=\'photo-{second}\'></span>'
+            )
+            (root / "_site/snippets/index.html").write_text("")
+
+            with patch("os.environ", {"GITHUB_SHA": "test-commit"}):
+                old_cwd = Path.cwd()
+                try:
+                    os.chdir(root)
+                    script = Path(__file__).resolve().parents[1] / "photo-manifest.py"
+                    runpy.run_path(str(script))
+                finally:
+                    os.chdir(old_cwd)
+
+            manifest = (root / "_site/photo-publication.json").read_text()
+            self.assertIn(first, manifest)
+            self.assertIn(second, manifest)
+
+
+if __name__ == "__main__":
+    unittest.main()