feat(fc-cleanup): audit lifecycle service functions (start/apply/cancel) + tests — Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/test_cleanup_service_audit.py

@@ -74,3 +74,99 @@ def test_delete_min_dimension_violations_unlinks_and_cascades(db_sync, tmp_path)
     ).scalars().all()
     assert remaining_ids == [rec_big.id]
     assert not small_path.exists()  # file unlinked
+
+
+# --- Audit lifecycle tests (Task 5) ---
+
+import backend.app.tasks.library_audit  # noqa: F401, E402 — celery registration
+
+
+def test_start_audit_run_creates_row_and_dispatches(db_sync, monkeypatch):
+    dispatched = []
+    from backend.app.tasks import library_audit as la_mod
+    monkeypatch.setattr(
+        la_mod.scan_library_for_rule, "delay",
+        lambda audit_id: dispatched.append(audit_id),
+    )
+    audit_id = cleanup_service.start_audit_run(
+        db_sync, rule="transparency", params={"threshold": 0.9},
+    )
+    db_sync.commit()
+    row_status = db_sync.execute(
+        select(LibraryAuditRun.status).where(LibraryAuditRun.id == audit_id)
+    ).scalar_one()
+    assert row_status == "running"
+    assert dispatched == [audit_id]
+
+
+def test_start_audit_run_rejects_when_another_is_running(db_sync, monkeypatch):
+    from backend.app.tasks import library_audit as la_mod
+    monkeypatch.setattr(
+        la_mod.scan_library_for_rule, "delay", lambda audit_id: None,
+    )
+    cleanup_service.start_audit_run(
+        db_sync, rule="transparency", params={"threshold": 0.9},
+    )
+    db_sync.commit()
+    with pytest.raises(cleanup_service.AuditAlreadyRunning):
+        cleanup_service.start_audit_run(
+            db_sync, rule="single_color",
+            params={"threshold": 0.95, "tolerance": 30},
+        )
+
+
+def test_apply_audit_run_with_correct_token_deletes_matched(db_sync, tmp_path):
+    rec = _make_image_record(
+        db_sync, tmp_path, width=100, height=100, color=(60, 0, 0),
+    )
+    db_sync.flush()
+    audit = LibraryAuditRun(
+        rule="transparency", params={"threshold": 0.9},
+        status="ready", scanned_count=1, matched_count=1,
+        matched_ids=[rec.id],
+    )
+    db_sync.add(audit)
+    db_sync.commit()
+
+    deleted = cleanup_service.apply_audit_run(
+        db_sync, audit_id=audit.id,
+        confirm_token=f"apply-audit-{audit.id}",
+        images_root=tmp_path,
+    )
+    assert deleted == 1
+    remaining_count = db_sync.execute(
+        select(func.count()).select_from(ImageRecord)
+    ).scalar_one()
+    assert remaining_count == 0
+    new_status = db_sync.execute(
+        select(LibraryAuditRun.status).where(LibraryAuditRun.id == audit.id)
+    ).scalar_one()
+    assert new_status == "applied"
+
+
+def test_apply_audit_run_with_wrong_token_raises(db_sync, tmp_path):
+    audit = LibraryAuditRun(
+        rule="transparency", params={"threshold": 0.9},
+        status="ready", matched_ids=[],
+    )
+    db_sync.add(audit)
+    db_sync.commit()
+    with pytest.raises(cleanup_service.ConfirmTokenMismatch):
+        cleanup_service.apply_audit_run(
+            db_sync, audit_id=audit.id,
+            confirm_token="wrong-token", images_root=tmp_path,
+        )
+
+
+def test_cancel_audit_run_flips_status(db_sync):
+    audit = LibraryAuditRun(
+        rule="transparency", params={"threshold": 0.9},
+        status="running", matched_ids=[],
+    )
+    db_sync.add(audit)
+    db_sync.commit()
+    cleanup_service.cancel_audit_run(db_sync, audit_id=audit.id)
+    new_status = db_sync.execute(
+        select(LibraryAuditRun.status).where(LibraryAuditRun.id == audit.id)
+    ).scalar_one()
+    assert new_status == "cancelled"