feat: inventory storage infrastructure dependencies

tests/test_configuration_provider.py

@@ -1,8 +1,12 @@
 from __future__ import annotations
 
+from pathlib import Path
 from types import SimpleNamespace
+import tempfile
 import unittest
 
+from sqlalchemy import create_engine
+
 from govoplan_core.core.configuration_packages import (
     ConfigurationPackageFragment,
     ConfigurationPreflightContext,
@@ -10,10 +14,14 @@ from govoplan_core.core.configuration_packages import (
 from govoplan_core.core.infrastructure_capabilities import (
     infrastructure_capability_receipt_from_mapping,
 )
+from govoplan_core.db.base import Base
+from govoplan_core.db.session import configure_database, reset_database
 from govoplan_files.backend.configuration_provider import (
     FILES_CONFIGURATION_CAPABILITY,
+    FILES_INFRASTRUCTURE_DEPENDENCY_CAPABILITY,
     FilesConfigurationProvider,
 )
+from govoplan_files.backend.db.models import FileBlob
 from govoplan_files.backend.manifest import manifest
 
 
@@ -78,6 +86,67 @@ def _s3_settings(**overrides):
 class FilesConfigurationProviderTests(unittest.TestCase):
     def test_provider_is_registered(self) -> None:
         self.assertIn(FILES_CONFIGURATION_CAPABILITY, manifest.capability_factories)
+        self.assertIn(
+            FILES_INFRASTRUCTURE_DEPENDENCY_CAPABILITY,
+            manifest.capability_factories,
+        )
+
+    def test_inventory_reports_runtime_binding_and_persisted_blob_aggregate(self) -> None:
+        with tempfile.TemporaryDirectory(prefix="govoplan-files-inventory-") as root:
+            database_path = Path(root) / "files.sqlite3"
+            engine = create_engine(f"sqlite:///{database_path}")
+            Base.metadata.create_all(engine, tables=(FileBlob.__table__,))
+            configure_database(
+                f"sqlite:///{database_path}",
+                engine=engine,
+                dispose_previous=True,
+            )
+            try:
+                with engine.begin() as connection:
+                    connection.execute(
+                        FileBlob.__table__.insert(),
+                        [
+                            {
+                                "id": "blob-1",
+                                "tenant_id": "tenant-1",
+                                "storage_backend": "local",
+                                "storage_key": "tenant-1/a",
+                                "checksum_sha256": "a" * 64,
+                                "size_bytes": 7,
+                                "protection_discriminator": "plaintext",
+                                "ref_count": 1,
+                                "integrity_status": "unchecked",
+                            },
+                            {
+                                "id": "blob-2",
+                                "tenant_id": "tenant-1",
+                                "storage_backend": "local",
+                                "storage_key": "tenant-1/b",
+                                "checksum_sha256": "b" * 64,
+                                "size_bytes": 11,
+                                "protection_discriminator": "plaintext",
+                                "ref_count": 1,
+                                "integrity_status": "unchecked",
+                            },
+                        ],
+                    )
+                provider = FilesConfigurationProvider(
+                    settings=_local_settings(),
+                    environment={},
+                )
+
+                dependencies = provider.infrastructure_dependencies()
+            finally:
+                reset_database()
+                engine.dispose()
+
+        self.assertEqual(
+            ["runtime_storage_binding", "stored_blob_set"],
+            [item.dependency_type for item in dependencies],
+        )
+        blob_set = dependencies[1]
+        self.assertEqual(2, blob_set.metrics["blob_count"])
+        self.assertEqual(18, blob_set.metrics["content_bytes"])
 
     def test_matching_local_storage_is_an_idempotent_noop(self) -> None:
         provider = FilesConfigurationProvider(