feat: implement governed cases workspace

tests/test_migrations.py

@@ -0,0 +1,53 @@
+from __future__ import annotations
+
+from pathlib import Path
+import tempfile
+import unittest
+
+from alembic.runtime.migration import MigrationContext
+from sqlalchemy import create_engine, inspect
+
+from govoplan_cases.backend.manifest import get_manifest
+from govoplan_core.db.migrations import migrate_database
+
+
+class CasesMigrationTests(unittest.TestCase):
+    def test_fresh_migration_creates_case_sharing_schema_and_head(self) -> None:
+        with tempfile.TemporaryDirectory(prefix="govoplan-cases-migration-") as directory:
+            url = f"sqlite:///{Path(directory) / 'cases.db'}"
+            migrate_database(
+                database_url=url,
+                enabled_modules=("cases",),
+                manifest_factories=(get_manifest,),
+            )
+            engine = create_engine(url)
+            try:
+                inspector = inspect(engine)
+                self.assertTrue(
+                    {
+                        "case_access_grants",
+                        "case_identities",
+                        "case_record_revisions",
+                        "case_status_definitions",
+                        "case_timeline_entries",
+                        "case_type_definitions",
+                    }.issubset(inspector.get_table_names())
+                )
+                self.assertIn(
+                    "access_mode",
+                    {
+                        item["name"]
+                        for item in inspector.get_columns("case_record_revisions")
+                    },
+                )
+                with engine.connect() as connection:
+                    self.assertIn(
+                        "f6d3a8b1c4e7",
+                        set(MigrationContext.configure(connection).get_current_heads()),
+                    )
+            finally:
+                engine.dispose()
+
+
+if __name__ == "__main__":
+    unittest.main()