def test_change_account_from_none(self):
widget = Mock(spec='PyQt5.QtWidgets.QMainWindow', create=True)
widget.installEventFilter = Mock()
ui = Mock(spec='sakia.gen_resources.mainwindow_uic.Ui_MainWindow', create=True)
ui.setupUi = Mock()
label_icon = Mock()
label_status = Mock()
label_time = Mock()
combo_referentials = Mock()
combo_referentials.currentIndexChanged = {int: Mock()}
type(self.app).current_account = PropertyMock(return_value=None)
mainwindow = MainWindow(self.app, None, self.homescreen, self.community_view, self.node_manager,
widget, ui, label_icon,
label_status, label_time, combo_referentials, self.password_asker)
mainwindow.refresh = Mock()
mainwindow.action_change_account("doe")
self.app.change_current_account.assert_called_once_with(self.account_doe)
mainwindow.change_account()
self.community_view.change_account.assert_called_once_with(self.account_doe, self.password_asker)
self.password_asker.change_account.assert_called_once_with(self.account_doe)
self.account_joe.contacts_changed.disconnect.assert_not_called()
self.account_doe.contacts_changed.connect.assert_called_once_with(mainwindow.refresh_contacts)
mainwindow.refresh.assert_called_once_with()
