1 files changed, 51 insertions, 0 deletions
diff --git a/packages/merchant-backoffice-ui/tests/hooks/notification.test.ts b/packages/merchant-backoffice-ui/tests/hooks/notification.test.ts
new file mode 100644
index 000000000..6825a825a
--- /dev/null
+++ b/packages/merchant-backoffice-ui/tests/hooks/notification.test.ts
@@ -0,0 +1,51 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+ /**
+ *
+ * @author Sebastian Javier Marchano (sebasjm)
+ */
+
+import { renderHook, act} from '@testing-library/preact-hooks';
+import { useNotifications } from '../../src/hooks/notifications';
+
+jest.useFakeTimers()
+
+test('notification should disapear after timeout', () => {
+  jest.spyOn(global, 'setTimeout');
+
+  const timeout = 1000
+  const { result, rerender } = renderHook(() => useNotifications(undefined, timeout));
+
+  expect(result.current?.notifications.length).toBe(0);
+
+  act(() => {
+    result.current?.pushNotification({
+      message: 'some_id',
+      type: 'INFO'
+    });
+  });
+  expect(result.current?.notifications.length).toBe(1);
+
+  jest.advanceTimersByTime(timeout/2);
+  rerender()
+  expect(result.current?.notifications.length).toBe(1);
+
+  jest.advanceTimersByTime(timeout);
+  rerender()
+  expect(result.current?.notifications.length).toBe(0);
+
+});