Function test_del_view

atomic-core/src/pristine/txn/write/tests.rs:152–207

()

    #[test]
    fn test_del_view() {
        let dir = tempdir().unwrap();
        let db_path = dir.path().join("pristine");
        let pristine = Pristine::open(&db_path).unwrap();

        // Create a shared parent and a draft view with some changes.
        // del_view only works on Draft views (Shared views are permanent).
        {
            let mut txn = pristine.write_txn().unwrap();

            let parent = txn.open_or_create_view("parent").unwrap();
            let mut view = txn
                .create_view("to-delete", ViewScope::Draft, Some(parent.id))
                .unwrap();
            assert_eq!(view.name, "to-delete");

            // Add some changes
            let hash1 = Hash::of(b"change 1");
            let hash2 = Hash::of(b"change 2");
            let change_id1 = txn.register_change(&hash1).unwrap();
            let change_id2 = txn.register_change(&hash2).unwrap();

            txn.put_change(&mut view, change_id1, &hash1).unwrap();
            txn.put_change(&mut view, change_id2, &hash2).unwrap();
            txn.update_view(&view).unwrap();

            assert_eq!(view.change_count, 2);

            // Verify view exists
            let views = txn.list_views().unwrap();
            assert!(views.contains(&"to-delete".to_string()));

            txn.commit().unwrap();
        }

        // Delete the view
        {
            let mut txn = pristine.write_txn().unwrap();

            let view = txn.get_view("to-delete").unwrap().unwrap();
            txn.del_view(&view).unwrap();

            txn.commit().unwrap();
        }

        // Verify view is gone
        {
            let txn = pristine.read_txn().unwrap();

            let view = txn.get_view("to-delete").unwrap();
            assert!(view.is_none());

            let views = txn.list_views().unwrap();
            assert!(!views.contains(&"to-delete".to_string()));
        }
    }

    #[test]