feat: define bulk governance projection contract

2026-08-20 19:46:53 +02:00
parent 604f20eed7
commit 8e687c4420
3 changed files with 212 additions and 0 deletions
@@ -0,0 +1,61 @@
+from __future__ import annotations
+
+import unittest
+
+from govoplan_core.core.access import (
+    AccessGovernanceProjectionV1,
+    GovernanceProjectionBatch,
+    GovernanceProjectionCommand,
+    GovernanceProjectionResult,
+    GovernanceTemplateMaterialization,
+)
+
+
+def _command(assignment_id: str) -> GovernanceProjectionCommand:
+    return GovernanceProjectionCommand(
+        assignment_id=assignment_id,
+        operation="upsert",
+        template=GovernanceTemplateMaterialization(
+            template_id="template-1",
+            kind="role",
+            tenant_id=f"tenant-{assignment_id}",
+            slug="reader",
+            name="Reader",
+        ),
+        provenance={"source": "contract-test"},
+    )
+
+
+class _Projection:
+    def reconcile(self, session: object, batch: GovernanceProjectionBatch) -> GovernanceProjectionResult:
+        del session
+        return GovernanceProjectionResult(
+            operation_id=batch.operation_id,
+            outcomes=(),
+            dry_run=batch.dry_run,
+        )
+
+
+class GovernanceProjectionContractTests(unittest.TestCase):
+    def test_protocol_is_runtime_checkable(self) -> None:
+        self.assertIsInstance(_Projection(), AccessGovernanceProjectionV1)
+
+    def test_batch_rejects_duplicate_assignment_ids(self) -> None:
+        with self.assertRaisesRegex(ValueError, "unique"):
+            GovernanceProjectionBatch(
+                operation_id="duplicate",
+                commands=(_command("same"), _command("same")),
+            )
+
+    def test_batch_enforces_bounds(self) -> None:
+        with self.assertRaisesRegex(ValueError, "between 1 and 500"):
+            GovernanceProjectionBatch(operation_id="empty", commands=())
+        with self.assertRaisesRegex(ValueError, "between 1 and 500"):
+            GovernanceProjectionBatch(
+                operation_id="large",
+                commands=tuple(_command(str(index)) for index in range(501)),
+            )
+
+
+if __name__ == "__main__":
+    unittest.main()