def test_erase(Event, brush_shape, expected_sum): """Test erasing labels with different brush shapes.""" data = np.ones((20, 20)) layer = Labels(data) layer.brush_size = 10 layer.mode = 'erase' layer.brush_shape = brush_shape layer.selected_label = 3 layer.position = (0, 0) # Simulate click event = ReadOnlyWrapper(Event(type='mouse_press', is_dragging=False)) mouse_press_callbacks(layer, event) layer.position = (19, 19) # Simulate drag event = ReadOnlyWrapper(Event(type='mouse_move', is_dragging=True)) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper(Event(type='mouse_release', is_dragging=False)) mouse_release_callbacks(layer, event) # Painting goes from (0, 0) to (19, 19) with a brush size of 10, changing # all pixels along that path, but non outside it. assert np.unique(layer.data[:8, :8]) == 0 assert np.unique(layer.data[-8:, -8:]) == 0 assert np.unique(layer.data[:5, -5:]) == 1 assert np.unique(layer.data[-5:, :5]) == 1 assert np.sum(layer.data == 1) == expected_sum
def test_selecting_shapes_with_drag(mode, create_known_shapes_layer, Event): """Select all shapes when drag box includes all of them.""" layer, n_shapes, known_non_shape = create_known_shapes_layer layer.mode = mode layer.position = known_non_shape # Simulate click event = ReadOnlyWrapper( Event(type='mouse_press', is_dragging=False, modifiers=[])) mouse_press_callbacks(layer, event) # Simulate drag start event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, modifiers=[])) mouse_move_callbacks(layer, event) layer.position = [0, 0] # Simulate drag end event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, modifiers=[])) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=True, modifiers=[])) mouse_release_callbacks(layer, event) # Check all shapes selected as drag box contains them assert len(layer.selected_data) == n_shapes
def test_selecting_no_points_with_drag_2d(create_known_points_layer_2d): """Select no points when drag box outside of all of them.""" layer, n_points, known_non_point = create_known_points_layer_2d layer.mode = 'select' # Simulate click event = ReadOnlyWrapper(Event(type='mouse_press', position=known_non_point)) mouse_press_callbacks(layer, event) # Simulate drag start event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, position=known_non_point)) mouse_move_callbacks(layer, event) # Simulate drag end event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, position=(50, 60))) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=True, position=(50, 60))) mouse_release_callbacks(layer, event) # Check no points selected as drag box doesn't contain them assert len(layer.selected_data) == 0
def setup(self, n): np.random.seed(0) self.data = [50 * np.random.random((6, 2)) for i in range(n)] self.layer = Shapes(self.data, shape_type='polygon') self.layer.mode = 'select' # initialize the position and select a shape position = tuple(np.mean(self.layer.data[0], axis=0)) # create events click_event = ReadOnlyWrapper( Event( type='mouse_press', is_dragging=False, modifiers=[], position=position, )) # Simulate click mouse_press_callbacks(self.layer, click_event) release_event = ReadOnlyWrapper( Event( type='mouse_release', is_dragging=False, modifiers=[], position=position, )) # Simulate release mouse_release_callbacks(self.layer, release_event)
def test_add_point_3d(create_known_points_layer_3d): """Add a point by clicking in 3D mode.""" layer, n_points, known_not_point = create_known_points_layer_3d layer.mode = 'add' # Simulate click event = ReadOnlyWrapper( Event( type='mouse_press', position=known_not_point, view_direction=[1, 0, 0], dims_displayed=[0, 1, 2], ) ) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', position=known_not_point) ) mouse_release_callbacks(layer, event) # Check clicked point selected assert len(layer.data) == (n_points + 1) np.testing.assert_array_equal(layer.data[-1], known_not_point)
def test_paint(Event, brush_shape, expected_sum): """Test painting labels with circle/square brush.""" data = np.ones((20, 20), dtype=np.int32) layer = Labels(data) layer.brush_size = 10 assert layer.cursor_size == 10 with pytest.warns(FutureWarning): layer.brush_shape = brush_shape layer.mode = 'paint' layer.selected_label = 3 # Simulate click event = ReadOnlyWrapper( Event(type='mouse_press', is_dragging=False, position=(0, 0))) mouse_press_callbacks(layer, event) # Simulate drag event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, position=(19, 19))) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=False, position=(19, 19))) mouse_release_callbacks(layer, event) # Painting goes from (0, 0) to (19, 19) with a brush size of 10, changing # all pixels along that path, but none outside it. assert np.unique(layer.data[:8, :8]) == 3 assert np.unique(layer.data[-8:, -8:]) == 3 assert np.unique(layer.data[:5, -5:]) == 1 assert np.unique(layer.data[-5:, :5]) == 1 assert np.sum(layer.data == 3) == expected_sum
def test_unselect_select_shape(mode, create_known_shapes_layer, Event): """Select a shape by clicking on one in select mode.""" layer, n_shapes, _ = create_known_shapes_layer layer.mode = mode position = tuple(layer.data[0][0]) layer.selected_data = {1} # Simulate click event = ReadOnlyWrapper( Event( type='mouse_press', is_dragging=False, modifiers=[], position=position, )) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event( type='mouse_release', is_dragging=False, modifiers=[], position=position, )) mouse_release_callbacks(layer, event) # Check clicked shape selected assert len(layer.selected_data) == 1 assert layer.selected_data == {0}
def test_not_adding_or_selecting_shape(create_known_shapes_layer, Event): """Don't add or select a shape by clicking on one in pan_zoom mode.""" layer, n_shapes, _ = create_known_shapes_layer layer.mode = 'pan_zoom' # Simulate click event = ReadOnlyWrapper( Event( type='mouse_press', is_dragging=False, modifiers=[], position=(0, 0), )) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event( type='mouse_release', is_dragging=False, modifiers=[], position=(0, 0), )) mouse_release_callbacks(layer, event) # Check no new shape added and non selected assert len(layer.data) == n_shapes assert len(layer.selected_data) == 0
def test_drag_in_add_mode(create_known_points_layer, Event): """Drag in add mode and make sure no point is added.""" layer, n_points, known_non_point = create_known_points_layer # Add point at location where non exists layer.mode = 'add' layer.interactive = True layer.position = known_non_point # Simulate click event = ReadOnlyWrapper( Event(type='mouse_press', is_dragging=False, modifiers=[])) mouse_press_callbacks(layer, event) known_non_point_end = [40, 60] layer.position = known_non_point_end # Simulate drag end event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, modifiers=[])) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=False, modifiers=[])) mouse_release_callbacks(layer, event) # Check that no new point has been added assert len(layer.data) == n_points
def test_unselect_by_click_empty_3d(create_known_points_layer_3d): """Select unselecting point by clicking in empty space""" layer, n_points, known_not_point = create_known_points_layer_3d layer.mode = 'select' layer.selected_data = {0, 1} # Simulate click on point event = ReadOnlyWrapper( Event( type='mouse_press', position=known_not_point, view_direction=[1, 0, 0], dims_displayed=[0, 1, 2], ) ) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', position=known_not_point) ) mouse_release_callbacks(layer, event) # Check clicked point selected assert len(layer.selected_data) == 0
def test_selecting_all_points_with_drag(create_known_points_layer_2d): """Select all points when drag box includes all of them.""" layer, n_points, known_non_point = create_known_points_layer_2d layer.mode = 'select' # Simulate click event = ReadOnlyWrapper( Event(type='mouse_press', position=known_non_point) ) mouse_press_callbacks(layer, event) # Simulate drag start event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, position=known_non_point) ) mouse_move_callbacks(layer, event) # Simulate drag end event = ReadOnlyWrapper(Event(type='mouse_move', is_dragging=True)) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper(Event(type='mouse_release', is_dragging=True)) mouse_release_callbacks(layer, event) # Check all points selected as drag box contains them assert len(layer.selected_data) == n_points
def test_selct_by_shift_click_3d(create_known_points_layer_3d): """Select selecting point by shift clicking on an additional point in 3D""" layer, n_points, _ = create_known_points_layer_3d layer.mode = 'select' position = tuple(layer.data[1]) layer.selected_data = {0} # Simulate shift+click on point 1 event = ReadOnlyWrapper( Event( type='mouse_press', position=position, modifiers=['Shift'], view_direction=[1, 0, 0], dims_displayed=[0, 1, 2], ) ) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', modifiers=['Shift'], position=position) ) mouse_release_callbacks(layer, event) # Check clicked point selected assert layer.selected_data == {0, 1}
def test_select_point_3d(create_known_points_layer_3d): """Select a point by clicking on one in select mode in 3D mode.""" layer, n_points, _ = create_known_points_layer_3d layer.mode = 'select' position = tuple(layer.data[1]) # Simulate click event = ReadOnlyWrapper( Event( type='mouse_press', position=position, view_direction=[1, 0, 0], dims_displayed=[0, 1, 2], ) ) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper(Event(type='mouse_release', position=position)) mouse_release_callbacks(layer, event) # Check clicked point selected assert len(layer.selected_data) == 1 assert 1 in layer.selected_data
def time_select_shape(self, n): """Time to process shape selection events""" position = tuple(np.mean(self.layer.data[1], axis=0)) # create events click_event = ReadOnlyWrapper( Event( type='mouse_press', is_dragging=False, modifiers=[], position=position, )) # Simulate click mouse_press_callbacks(self.layer, click_event) release_event = ReadOnlyWrapper( Event( type='mouse_release', is_dragging=False, modifiers=[], position=position, )) # Simulate release mouse_release_callbacks(self.layer, release_event)
def test_add_simple_shape(shape_type, create_known_shapes_layer, Event): """Add simple shape by clicking in add mode.""" layer, n_shapes, known_non_shape = create_known_shapes_layer # Add shape at location where non exists layer.mode = 'add_' + shape_type layer.position = known_non_shape # Simulate click event = ReadOnlyWrapper( Event(type='mouse_press', is_dragging=False, modifiers=[])) mouse_press_callbacks(layer, event) known_non_shape_end = [40, 60] layer.position = known_non_shape_end # Simulate drag end event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, modifiers=[])) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=False, modifiers=[])) mouse_release_callbacks(layer, event) # Check new shape added at coordinates assert len(layer.data) == n_shapes + 1 np.testing.assert_allclose(layer.data[-1][0], known_non_shape) new_shape_max = np.max(layer.data[-1], axis=0) np.testing.assert_allclose(new_shape_max, known_non_shape_end) assert layer.shape_type[-1] == shape_type
def test_add_complex_shape(shape_type, create_known_shapes_layer, Event): """Add simple shape by clicking in add mode.""" layer, n_shapes, known_non_shape = create_known_shapes_layer desired_shape = [[20, 30], [10, 50], [60, 40], [80, 20]] # Add shape at location where non exists layer.mode = 'add_' + shape_type layer.position = desired_shape[0] for coord in desired_shape: layer.position = coord # Simulate move, click, and release event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=False, modifiers=[])) mouse_move_callbacks(layer, event) event = ReadOnlyWrapper( Event(type='mouse_press', is_dragging=False, modifiers=[])) mouse_press_callbacks(layer, event) event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=False, modifiers=[])) mouse_release_callbacks(layer, event) # finish drawing layer._finish_drawing() # Check new shape added at coordinates assert len(layer.data) == n_shapes + 1 np.testing.assert_allclose(layer.data[-1], desired_shape) assert layer.shape_type[-1] == shape_type
def test_selecting_no_points_with_drag(create_known_points_layer, Event): """Select all points when drag box includes all of them.""" layer, n_points, known_non_point = create_known_points_layer layer.mode = 'select' layer.position = known_non_point # Simulate click event = ReadOnlyWrapper( Event(type='mouse_press', is_dragging=False, modifiers=[])) mouse_press_callbacks(layer, event) # Simulate drag start event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, modifiers=[])) mouse_move_callbacks(layer, event) layer.position = [50, 60] # Simulate drag end event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, modifiers=[])) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=True, modifiers=[])) mouse_release_callbacks(layer, event) # Check no points selected as drag box doesn't contain them assert len(layer.selected_data) == 0
def test_drag_vertex(create_known_shapes_layer, Event): """Select and drag vertex.""" layer, n_shapes, _ = create_known_shapes_layer layer.mode = 'direct' layer.selected_data = {0} layer.position = tuple(layer.data[0][0]) # Simulate click event = ReadOnlyWrapper( Event(type='mouse_press', is_dragging=False, modifiers=[])) mouse_press_callbacks(layer, event) layer.position = [0, 0] # Simulate move, click, and release event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, modifiers=[])) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=True, modifiers=[])) mouse_release_callbacks(layer, event) # Check clicked shape selected assert len(layer.selected_data) == 1 assert layer.selected_data == {0} np.testing.assert_allclose(layer.data[0][-1], [0, 0])
def test_paint_scale(Event, brush_shape, expected_sum): """Test painting labels with circle/square brush when scaled.""" data = np.ones((20, 20)) layer = Labels(data, scale=(2, 2)) layer.brush_size = 20 layer.brush_shape = brush_shape layer.mode = 'paint' layer.selected_label = 3 layer.position = (0, 0) # Simulate click event = ReadOnlyWrapper(Event(type='mouse_press', is_dragging=False)) mouse_press_callbacks(layer, event) layer.position = (39, 39) # Simulate drag event = ReadOnlyWrapper(Event(type='mouse_move', is_dragging=True)) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper(Event(type='mouse_release', is_dragging=False)) mouse_release_callbacks(layer, event) # Painting goes from (0, 0) to (19, 19) with a brush size of 10, changing # all pixels along that path, but none outside it. assert np.unique(layer.data[:8, :8]) == 3 assert np.unique(layer.data[-8:, -8:]) == 3 assert np.unique(layer.data[:5, -5:]) == 1 assert np.unique(layer.data[-5:, :5]) == 1 assert np.sum(layer.data == 3) == expected_sum
def test_unselecting_shapes(mode, create_known_shapes_layer, Event): """Unselect shapes by not clicking on one in select mode.""" layer, n_shapes, known_non_shape = create_known_shapes_layer layer.mode = mode layer.selected_data = {0, 1} assert len(layer.selected_data) == 2 # Simulate click event = ReadOnlyWrapper( Event( type='mouse_press', is_dragging=False, modifiers=[], position=known_non_shape, )) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event( type='mouse_release', is_dragging=False, modifiers=[], position=known_non_shape, )) mouse_release_callbacks(layer, event) # Check clicked shape selected assert len(layer.selected_data) == 0
def time_select_shape(self, n): """Time to process shape selection events""" self.layer.position = tuple(np.mean(self.layer.data[1], axis=0)) # Simulate click mouse_press_callbacks(self.layer, self.click_event) # Simulate release mouse_release_callbacks(self.layer, self.release_event)
def test_paint(MouseEvent): """Test painting labels with circle brush.""" data = np.ones((20, 20), dtype=np.int32) layer = Labels(data) layer.brush_size = 10 assert layer.cursor_size == 10 layer.mode = 'paint' layer.selected_label = 3 # Simulate click event = ReadOnlyWrapper( MouseEvent( type='mouse_press', is_dragging=False, position=(0, 0), view_direction=None, dims_displayed=(0, 1), dims_point=(0, 0), ) ) mouse_press_callbacks(layer, event) # Simulate drag event = ReadOnlyWrapper( MouseEvent( type='mouse_move', is_dragging=True, position=(19, 19), view_direction=None, dims_displayed=(0, 1), dims_point=(0, 0), ) ) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( MouseEvent( type='mouse_release', is_dragging=False, position=(19, 19), view_direction=None, dims_displayed=(0, 1), dims_point=(0, 0), ) ) mouse_release_callbacks(layer, event) # Painting goes from (0, 0) to (19, 19) with a brush size of 10, changing # all pixels along that path, but none outside it. assert np.unique(layer.data[:8, :8]) == 3 assert np.unique(layer.data[-8:, -8:]) == 3 assert np.unique(layer.data[:5, -5:]) == 1 assert np.unique(layer.data[-5:, :5]) == 1 assert np.sum(layer.data == 3) == 244
def test_selecting_no_points_with_drag_3d(create_known_points_layer_3d): """Select no points when drag box outside of all of them.""" layer, n_points, known_non_point = create_known_points_layer_3d layer.mode = 'select' # Simulate click event = ReadOnlyWrapper( Event( type='mouse_press', position=(5, 15, 15), view_direction=[1, 0, 0], up_direction=[0, 1, 0], dims_displayed=[0, 1, 2], )) mouse_press_callbacks(layer, event) # Simulate drag start event = ReadOnlyWrapper( Event( type='mouse_move', is_dragging=True, position=(5, 15, 15), view_direction=[1, 0, 0], up_direction=[0, 1, 0], dims_displayed=[0, 1, 2], )) mouse_move_callbacks(layer, event) # Simulate drag end event = ReadOnlyWrapper( Event( type='mouse_move', is_dragging=True, position=(5, 20, 20), view_direction=[1, 0, 0], up_direction=[0, 1, 0], dims_displayed=[0, 1, 2], )) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event( type='mouse_release', is_dragging=True, position=(5, 20, 20), view_direction=[1, 0, 0], up_direction=[0, 1, 0], dims_displayed=[0, 1, 2], )) mouse_release_callbacks(layer, event) # Check all points selected as drag box contains them assert len(layer.selected_data) == 0
def time_drag_shape(self, n): """Time to process 5 shape drag events""" # initialize the position and select a shape position = tuple(np.mean(self.layer.data[0], axis=0)) # create events click_event = ReadOnlyWrapper( Event( type='mouse_press', is_dragging=False, modifiers=[], position=position, )) # Simulate click mouse_press_callbacks(self.layer, click_event) # create events drag_event = ReadOnlyWrapper( Event( type='mouse_press', is_dragging=True, modifiers=[], position=position, )) # start drag event mouse_move_callbacks(self.layer, drag_event) # simulate 5 drag events for _ in range(5): position = tuple(np.add(position, [10, 5])) drag_event = ReadOnlyWrapper( Event( type='mouse_press', is_dragging=True, modifiers=[], position=position, )) # Simulate move, click, and release mouse_move_callbacks(self.layer, drag_event) release_event = ReadOnlyWrapper( Event( type='mouse_release', is_dragging=False, modifiers=[], position=position, )) # Simulate release mouse_release_callbacks(self.layer, release_event)
def test_not_adding_or_selecting_point(create_known_points_layer_2d): """Don't add or select a point by clicking on one in pan_zoom mode.""" layer, n_points, _ = create_known_points_layer_2d layer.mode = 'pan_zoom' # Simulate click event = ReadOnlyWrapper(Event(type='mouse_press')) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper(Event(type='mouse_release')) mouse_release_callbacks(layer, event) # Check no new point added and non selected assert len(layer.data) == n_points assert len(layer.selected_data) == 0
def time_drag_shape(self, n): """Time to process 5 shape drag events""" # Simulate click mouse_press_callbacks(self.layer, self.click_event) # start drag event mouse_move_callbacks(self.layer, self.drag_event) # simulate 5 drag events for _ in range(5): self.layer.position = tuple(np.add(self.layer.position, [10, 5])) # Simulate move, click, and release mouse_move_callbacks(self.layer, self.drag_event) # Simulate release mouse_release_callbacks(self.layer, self.release_event)
def test_labels_painting(make_test_viewer): """Test painting labels updates image.""" data = np.zeros((100, 100)) viewer = make_test_viewer(show=True) viewer.add_labels(data) layer = viewer.layers[0] screenshot = viewer.screenshot(canvas_only=True) # Check that no painting has occurred assert layer.data.max() == 0 assert screenshot[:, :, :2].max() == 0 # Enter paint mode layer.position = (0, 0) layer.mode = 'paint' layer.selected_label = 3 # Simulate click Event = collections.namedtuple( 'Event', field_names=['type', 'is_dragging'] ) # Simulate click event = ReadOnlyWrapper(Event(type='mouse_press', is_dragging=False)) mouse_press_callbacks(layer, event) layer.position = (100, 100) # Simulate drag event = ReadOnlyWrapper(Event(type='mouse_move', is_dragging=True)) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper(Event(type='mouse_release', is_dragging=False)) mouse_release_callbacks(layer, event) event = ReadOnlyWrapper(Event(type='mouse_press', is_dragging=False)) mouse_press_callbacks(layer, event) screenshot = viewer.screenshot(canvas_only=True) # Check that painting has now occurred assert layer.data.max() > 0 assert screenshot[:, :, :2].max() > 0
def test_select_point(create_known_points_layer_2d): """Select a point by clicking on one in select mode.""" layer, n_points, _ = create_known_points_layer_2d layer.mode = 'select' position = tuple(layer.data[0]) # Simulate click event = ReadOnlyWrapper(Event(type='mouse_press', position=position)) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper(Event(type='mouse_release', position=position)) mouse_release_callbacks(layer, event) # Check clicked point selected assert len(layer.selected_data) == 1 assert 0 in layer.selected_data
def test_not_selecting_point(create_known_points_layer_2d): """Don't select a point by not clicking on one in select mode.""" layer, n_points, known_non_point = create_known_points_layer_2d layer.mode = 'select' # Simulate click event = ReadOnlyWrapper(Event(type='mouse_press', position=known_non_point)) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', position=known_non_point)) mouse_release_callbacks(layer, event) # Check clicked point selected assert len(layer.selected_data) == 0
def test_drag_shape(create_known_shapes_layer, Event): """Select and drag vertex.""" layer, n_shapes, _ = create_known_shapes_layer layer.mode = 'select' orig_data = layer.data[0].copy() assert len(layer.selected_data) == 0 layer.position = tuple(np.mean(layer.data[0], axis=0)) # Simulate click event = ReadOnlyWrapper( Event(type='mouse_press', is_dragging=False, modifiers=[])) mouse_press_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=False, modifiers=[])) mouse_release_callbacks(layer, event) assert len(layer.selected_data) == 1 assert layer.selected_data == {0} # Simulate click event = ReadOnlyWrapper( Event(type='mouse_press', is_dragging=True, modifiers=[])) mouse_press_callbacks(layer, event) # start drag event event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, modifiers=[])) mouse_move_callbacks(layer, event) layer.position = tuple(np.add(layer.position, [10, 5])) # Simulate move, click, and release event = ReadOnlyWrapper( Event(type='mouse_move', is_dragging=True, modifiers=[])) mouse_move_callbacks(layer, event) # Simulate release event = ReadOnlyWrapper( Event(type='mouse_release', is_dragging=True, modifiers=[])) mouse_release_callbacks(layer, event) # Check clicked shape selected assert len(layer.selected_data) == 1 assert layer.selected_data == {0} np.testing.assert_allclose(layer.data[0], orig_data + [10, 5])