chore: Move the drift_offline_first to legacy in favor of Serverpod implementation (#32)

legacy/drift_offline_sync/test/utils/executor.dart

@@ -0,0 +1,44 @@
+import 'package:drift/native.dart';
+import 'package:sqlite3/sqlite3.dart';
+import 'package:test/test.dart';
+import 'package:test_descriptor/test_descriptor.dart';
+
+/// Sets the test executor for the SQLite3 database.
+///
+/// This is a file-based SQLite3 executor that is used for testing. It follows
+/// the same pattern as the `test_descriptor` package to ensure one executor is
+/// created for each test. The executor is closed once test ends.
+///
+/// After setting the test executor, the database can be accessed using the
+/// [testExecutor] getter.
+void setTestFileExecutor([String fileName = 'test.db']) {
+  final databaseFile = file(fileName);
+  final sqliteDatabase = sqlite3.open(databaseFile.io.path);
+  final executor = NativeDatabase.opened(sqliteDatabase);
+  _setTestExecutor(executor);
+}
+
+/// The test executor for the SQLite3 database.
+///
+/// This is a memory-based SQLite3 executor that is used for testing. It follows
+/// the same pattern as the `test_descriptor` package to ensure one executor is
+/// created for each test. The executor is closed once test ends.
+NativeDatabase get testExecutor {
+  if (_testExecutor != null) return _testExecutor!;
+  final executor = NativeDatabase.memory();
+  _setTestExecutor(executor);
+  return executor;
+}
+
+NativeDatabase? _testExecutor;
+
+void _setTestExecutor(NativeDatabase executor) {
+  _testExecutor = executor;
+
+  addTearDown(() async {
+    final executor = _testExecutor;
+    if (executor == null) return;
+    _testExecutor = null;
+    await executor.close();
+  });
+}