Add a test for ignoring _toggle_sel_translate

qutebrowser/browser/webengine/webenginetab.py

@@ -535,6 +535,8 @@ class WebEngineCaret(browsertab.AbstractCaret):
             # This may happen if the user switches to another mode after
             # `:toggle-selection` is executed and before this callback function
             # is asynchronously called.
+            log.misc.debug("Ignoring caret selection callback in {}".format(
+                self._mode_manager.mode))
             return
         if state_str is None:
             message.error("Error toggling caret selection")

tests/unit/browser/test_caret.py

@@ -99,6 +99,21 @@ def test_toggle(caret, selection, qtbot):
     assert selection.toggle() == browsertab.SelectionState.none
 
 
+def test_selection_callback_wrong_mode(qtbot, caplog,
+                                       webengine_tab, mode_manager):
+    """Test what calling the selection callback outside of caret mode.
+
+    It should be ignored, as something could have left caret mode while the
+    async callback was happening, so we don't want to mess with the status bar.
+    """
+    assert mode_manager.mode == usertypes.KeyMode.normal
+    with qtbot.assertNotEmitted(webengine_tab.caret.selection_toggled):
+        webengine_tab.caret._toggle_sel_translate('normal')
+
+    msg = 'Ignoring caret selection callback in KeyMode.normal'
+    assert caplog.messages == [msg]
+
+
 class TestDocument:
 
     def test_selecting_entire_document(self, caret, selection):