Re #2727 - Adding test

changedetectionio/tests/test_notification.py

@@ -429,3 +429,24 @@ def test_global_send_test_notification(client, live_server, measure_memory_usage
         follow_redirects=True
     )
 
+    #2727 - be sure a test notification when there are zero watches works ( should all be deleted now)
+
+    os.unlink("test-datastore/notification.txt")
+
+
+    ######### Test global/system settings
+    res = client.post(
+        url_for("ajax_callback_send_notification_test")+"?mode=global-settings",
+        data={"notification_urls": test_notification_url},
+        follow_redirects=True
+    )
+
+    assert res.status_code != 400
+    assert res.status_code != 500
+
+    # Give apprise time to fire
+    time.sleep(4)
+
+    with open("test-datastore/notification.txt", 'r') as f:
+        x = f.read()
+        assert 'change detection is cool 网站监测 内容更新了' in x