def test_presenter_subscribes_to_view_updates(self, _):
mock_view = MagicMock()
presenter = PeaksViewerPresenter(create_peaks_viewer_model([], 'r'),
mock_view)
mock_view.subscribe.assert_called_once_with(presenter)
def test_sort_by_value_not_string(self):
npeaks = 5
peaks_ws = WorkspaceCreationHelper.createPeaksWorkspace(npeaks)
view = PeaksViewerView(None, None)
model = PeaksViewerModel(peaks_ws, fg_color='r', bg_color='w')
presenter = PeaksViewerPresenter(model, view)
table_view = view.table_view
table_model = table_view.model()
# Very difficult to simulate mouse click to sort - trust Qt to do that
# We are more interested that the sort is based on value no a string comparison
# check a few columns
for column_index in (7, 16): # tof & qlab
table_model.sort(column_index, Qt.DescendingOrder)
self.assertEqual(npeaks, view.table_view.rowCount())
# assert sort has happened
col_values = [
table_model.index(i, column_index).data(
PeaksWorkspaceDataPresenter.DATA_SORT_ROLE)
for i in range(npeaks)
]
self.assertTrue(
all(col_values[i + 1] < col_values[i]
for i in range(npeaks - 1)),
msg="TOF values have not been sorted into descending order")
view.close()
del presenter
def test_add_delete_peaks(self, mock_peaks_list_presenter):
name = 'ws1'
mock_model = create_mock_model(name)
self.mock_view.frame = 'Frame'
presenter = PeaksViewerPresenter(mock_model, self.mock_view)
presenter.add_peak([1, 2, 3])
mock_model.add_peak.assert_called_once_with([1, 2, 3], 'Frame')
presenter.delete_peak([1, 2, 3])
mock_model.delete_peak.assert_called_once_with([1, 2, 3], 'Frame')
def test_single_peak_selection(self, mock_peaks_list_presenter):
mock_view = MagicMock()
name = 'ws1'
mock_model = create_mock_model(name)
mock_view.selected_index = 0
presenter = PeaksViewerPresenter(mock_model, mock_view)
presenter.notify(PeaksViewerPresenter.Event.PeakSelected)
mock_model.zoom_to.assert_called_once_with(0)
def test_view_populated_on_presenter_construction(self, mock_peaks_list_presenter):
name = "ws1"
fg_color = "r"
test_model = create_peaks_viewer_model([(1, 2, 3)], fg_color=fg_color, name=name)
PeaksViewerPresenter(test_model, self.mock_view)
self.mock_view.set_title.assert_called_once_with(name)
self.mock_view.set_peak_color.assert_called_once_with(fg_color)
# peaks list presenter construction
mock_peaks_list_presenter.assert_called_once_with(ANY, self.mock_view.table_view)
self.mock_view.table_view.enable_sorting.assert_called_once()
def test_single_peak_selection(self, mock_peaks_list_presenter):
name = 'ws1'
mock_model = create_mock_model(name)
viewlimits = (-1, 1), (-2, 2)
mock_model.viewlimits.return_value = viewlimits
self.mock_view.selected_index = 0
presenter = PeaksViewerPresenter(mock_model, self.mock_view)
presenter.notify(PeaksViewerPresenter.Event.PeakSelected)
mock_model.viewlimits.assert_called_once_with(0)
self.mock_view.set_axes_limits.assert_called_once_with(*viewlimits, auto_transform=False)
def test_single_peak_selection_if_peaks_not_drawn(
self, mock_peaks_list_presenter):
# peaks not drawn if one fo viewing axes non-Q
name = 'ws1'
mock_model = create_mock_model(name)
mock_model.has_representations_drawn.return_value = False
self.mock_view.selected_index = 0
presenter = PeaksViewerPresenter(mock_model, self.mock_view)
presenter.notify(PeaksViewerPresenter.Event.PeakSelected)
mock_model.viewlimits.assert_not_called()
self.mock_view.set_axes_limits.assert_not_called()
def test_clear_removes_painted_peaks(self, mock_peaks_list_presenter):
centers = ((1, 2, 3), (4, 5, 3.01))
slice_info = create_slice_info(centers, slice_value=3, slice_width=5)
test_model = create_peaks_viewer_model(centers, fg_color="r")
painter = MagicMock()
test_model.draw_peaks(slice_info, painter)
mock_view = MagicMock()
mock_view.painter = painter
presenter = PeaksViewerPresenter(test_model, mock_view)
presenter.notify(PeaksViewerPresenter.Event.ClearPeaks)
self.assertEqual(2, mock_view.painter.remove.call_count)
def test_clear_removes_painted_peaks(self, mock_peaks_list_presenter):
centers = ((1, 2, 3), (4, 5, 3.01))
slice_info = create_slice_info(centers, slice_value=3, slice_width=5)
test_model = create_peaks_viewer_model(centers, fg_color="r")
painter, axes = MagicMock(), MagicMock()
axes.get_xlim.return_value = (-1, 1)
painter.axes = axes
test_model.draw_peaks(slice_info, painter, SpecialCoordinateSystem.QSample)
self.mock_view.painter = painter
presenter = PeaksViewerPresenter(test_model, self.mock_view)
presenter.notify(PeaksViewerPresenter.Event.ClearPeaks)
self.assertEqual(2, self.mock_view.painter.remove.call_count)
def test_slice_point_changed_clears_old_peaks_and_overlays_visible(
self, mock_peaks_list_presenter):
centers = ((1, 2, 3), (4, 5, 3.01))
slice_info = create_slice_info(centers, slice_value=3, slice_width=5)
test_model = create_peaks_viewer_model(centers, fg_color="r")
# draw some peaks first so we can test clearing them
painter, axes = MagicMock(), MagicMock()
axes.get_xlim.return_value = (-1, 1)
painter.axes = axes
test_model.draw_peaks(slice_info, painter, SpecialCoordinateSystem.QSample)
# clear draw calls
painter.cross.reset_mock()
self.mock_view.painter = painter
self.mock_view.sliceinfo = create_slice_info(centers, slice_value=3, slice_width=5)
presenter = PeaksViewerPresenter(test_model, self.mock_view)
presenter.notify(PeaksViewerPresenter.Event.SlicePointChanged)
self.assertEqual(2, self.mock_view.painter.remove.call_count)
self.assertEqual(2, self.mock_view.painter.cross.call_count)
def test_slice_point_changed_clears_old_peaks_and_overlays_visible(
self, mock_peaks_list_presenter):
centers = ((1, 2, 3), (4, 5, 3.01))
slice_info = create_slice_info(centers, slice_value=3, slice_width=5)
test_model = create_peaks_viewer_model(centers, fg_color="r")
# draw some peaks first so we can test clearing them
painter = MagicMock()
test_model.draw_peaks(slice_info, painter)
# clear draw calls
painter.cross.reset_mock()
mock_view = MagicMock()
mock_view.painter = painter
mock_view.sliceinfo = create_slice_info(centers,
slice_value=3,
slice_width=5)
presenter = PeaksViewerPresenter(test_model, mock_view)
presenter.notify(PeaksViewerPresenter.Event.SlicePointChanged)
self.assertEqual(2, mock_view.painter.remove.call_count)
self.assertEqual(2, mock_view.painter.cross.call_count)