def test_ensure_clear_handle_removes_all_workspaces(self, _):
presenter = PeaksViewerCollectionPresenter(MagicMock())
presenter.remove_peaksworkspace = MagicMock()
presenter.workspace_names = MagicMock(return_value=["ws", "ws1", "ws2"])
presenter.clear_handle()
presenter.remove_peaksworkspace.assert_any_call("ws")
presenter.remove_peaksworkspace.assert_any_call("ws1")
presenter.remove_peaksworkspace.assert_any_call("ws2")
self.assertEqual(3, presenter.remove_peaksworkspace.call_count)
def test_ensure_that_the_ads_observer_calls_clear_handle(self, _):
presenter = PeaksViewerCollectionPresenter(MagicMock())
presenter.clear_handle = MagicMock()
self.assertTrue(isinstance(presenter._ads_observer, SliceViewerADSObserver))
presenter._ads_observer = SliceViewerADSObserver(presenter.replace_handle, presenter.rename_handle,
presenter.clear_handle, presenter.delete_handle)
CreateSampleWorkspace(OutputWorkspace="ws")
ADS.clear()
presenter.clear_handle.assert_called_once()