Add an additional validation test to the tag backfill worker tests

workers/test/test_tagbackfillworker.py

@@ -111,6 +111,21 @@ def test_tagbackfillworker(clear_all_rows, initialized_db):
     assert len(tags) == len(oci_tags)
     assert {t.name for t in tags} == {t.name for t in oci_tags}
 
+    for tag in tags:
+      tag_manifest = TagManifest.get(tag=tag)
+      ttr = TagToRepositoryTag.get(repository_tag=tag)
+      manifest = ttr.tag.manifest
+
+      assert tag_manifest.json_data == manifest.manifest_bytes
+      assert tag_manifest.digest == manifest.digest
+      assert tag.image == ManifestLegacyImage.get(manifest=manifest).image
+      assert tag.lifetime_start_ts == (ttr.tag.lifetime_start_ms / 1000)
+
+      if tag.lifetime_end_ts:
+        assert tag.lifetime_end_ts == (ttr.tag.lifetime_end_ms / 1000)
+      else:
+        assert ttr.tag.lifetime_end_ms is None
+
   assert found_dead_tag