owdatasets: Test

Author: astaric

Orange/widgets/data/tests/test_owdatasets.py

@@ -0,0 +1,15 @@
+from unittest.mock import patch, Mock
+
+import requests
+
+from Orange.widgets.data.owdatasets import OWDataSets
+from Orange.widgets.tests.base import WidgetTest
+
+
+class TestOWDataSets(WidgetTest):
+    @patch("Orange.widgets.data.owdatasets.list_remote",
+           Mock(side_effect=requests.exceptions.ConnectionError))
+    @patch("Orange.widgets.data.owdatasets.log", Mock())
+    def test_works_without_internet_connection(self):
+        w = self.create_widget(OWDataSets)  # type: OWDataSets
+        self.assertTrue(w.Error.no_remote_datasets.is_shown())