enable unit test

bindings/dart/lib/turso_dart.dart

@@ -1,3 +1,5 @@
 library;
 
+export 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+
 export 'src/client.dart';

bindings/dart/rust/.gitignore

@@ -1 +1,2 @@
 /target
+/test_build

bindings/dart/test/_memory_test.dart

@@ -0,0 +1,44 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:turso_dart/src/rust/frb_generated.dart';
+import 'package:turso_dart/turso_dart.dart';
+
+void main() async {
+  setUpAll(() async {
+    final lib = await loadExternalLibrary(
+      ExternalLibraryLoaderConfig(
+        stem: "turso_dart",
+        ioDirectory: "rust/test_build/debug/",
+        webPrefix: null,
+      ),
+    );
+    await RustLib.init(externalLibrary: lib);
+  });
+
+  test('should be able to perform queries', () async {
+    final client = TursoClient.memory();
+    await client.connect();
+
+    await client.execute(
+      "create table if not exists tasks (id integer primary key, title text, description text, completed integer)",
+    );
+
+    final rowsAffected = await client.execute(
+      "insert into tasks (title, description, completed) values (?, ?, ?)",
+      positional: ["title", "description", 0],
+    );
+    expect(rowsAffected, equals(1));
+
+    final result = await client.query("select * from tasks");
+    expect(
+      result,
+      equals([
+        {
+          "id": 1,
+          "title": "title",
+          "description": "description",
+          "completed": 0,
+        },
+      ]),
+    );
+  });
+}