Implement governed tabular source snapshots

tests/test_manifest.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+import unittest
+
+from govoplan_core.core.tabular_sources import (
+    CAPABILITY_CONNECTORS_TABULAR_SNAPSHOT_WRITER,
+    CAPABILITY_CONNECTORS_TABULAR_SOURCES,
+)
+from govoplan_connectors.backend.manifest import manifest
+
+
+class ConnectorsManifestTests(unittest.TestCase):
+    def test_manifest_exposes_versioned_tabular_capabilities(self) -> None:
+        self.assertEqual("connectors", manifest.id)
+        self.assertIn("access", manifest.optional_dependencies)
+        self.assertIn(
+            "connectors.tabular_sources",
+            {interface.name for interface in manifest.provides_interfaces},
+        )
+        self.assertIn(
+            CAPABILITY_CONNECTORS_TABULAR_SOURCES,
+            manifest.capability_factories,
+        )
+        self.assertIn(
+            CAPABILITY_CONNECTORS_TABULAR_SNAPSHOT_WRITER,
+            manifest.capability_factories,
+        )
+        self.assertIsNotNone(manifest.migration_spec)
+
+
+if __name__ == "__main__":
+    unittest.main()