def test_send_signals(self):
previewer = WidgetPreview(self.widgetClass)
previewer.create_widget()
widget = previewer.widget
previewer.send_signals(42)
widget.int1.assert_called_with(42)
widget.int1.reset_mock()
previewer.send_signals([(42, 1), (40, 2)],
str2="foo",
float1=[(3.14, 1), (5.1, 8)])
widget.int1.assert_has_calls([call(42, 1), call(40, 2)])
widget.str2.assert_called_with("foo")
widget.float1.assert_has_calls([call(3.14, 1), call(5.1, 8)])
def test_find_handler_name(self):
previewer = WidgetPreview(self.widgetClass)
previewer.create_widget()
find_name = previewer._find_handler_name
self.assertEqual(find_name(42), "int1")
self.assertEqual(find_name(3.14), "float1")
self.assertRaises(ValueError, find_name, "foo")
self.assertRaises(ValueError, find_name, [])
self.assertRaises(ValueError, find_name, [42])
self.assertEqual(find_name([(42, 1)]), "int1")
self.assertEqual(find_name([(2, 1), (3, 2)]), "int1")
self.assertEqual(find_name([(42.4, 1)]), "float1")
self.assertEqual(find_name([(42.4, 1), (5.1, 1)]), "float1")
self.assertRaises(ValueError, find_name, [("foo", 1)])
self.assertRaises(ValueError, find_name, [])
def test_create_widget(self):
previewer = WidgetPreview(self.widgetClass)
self.assertIsNone(previewer.widget)
previewer.create_widget()
self.assertIsInstance(previewer.widget, self.widgetClass)
