diff --git a/test/general_test.dart b/test/general_test.dart
new file mode 100644
index 0000000..236db4a
--- /dev/null
+++ b/test/general_test.dart
@@ -0,0 +1,22 @@
+import 'package:notion_api/notion/general/base_fields.dart';
+import 'package:notion_api/notion/general/types/notion_types.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('Base fields tests =>', () {
+    test('Create an instance from json', () {
+      BaseFields base = BaseFields.fromJson({
+        "object": "database",
+        "id": "386da3c6-46bb-4581-8807-1fdb2fbbf447",
+        "created_time": "2021-05-19T20:21:11.420Z",
+        "last_edited_time": "2021-06-07T23:02:00.000Z",
+        "title": [],
+      });
+
+      expect(base.object, ObjectTypes.Database);
+      expect(base.id, "386da3c6-46bb-4581-8807-1fdb2fbbf447");
+      expect(base.createdTime, "2021-05-19T20:21:11.420Z");
+      expect(base.lastEditedTime, "2021-06-07T23:02:00.000Z");
+    });
+  });
+}