def test_plane_drag_callback():
"""Plane drag callback should only be active when depicting as plane."""
np.random.seed(0)
data = np.random.random((10, 15, 20))
layer = Image(data, depiction='volume')
assert move_plane_along_normal not in layer.mouse_drag_callbacks
layer.depiction = 'plane'
assert move_plane_along_normal in layer.mouse_drag_callbacks
layer.depiction = 'volume'
assert move_plane_along_normal not in layer.mouse_drag_callbacks
def test_plane_controls_show_hide_on_depiction_change(qtbot):
"""Changing depiction mode should show/hide plane controls in 3D."""
layer = Image(np.random.rand(10, 15, 20))
layer._slice_dims(ndisplay=3)
qtctrl = QtImageControls(layer)
qtbot.addWidget(qtctrl)
layer.depiction = 'volume'
assert qtctrl.planeControls.isHidden()
layer.depiction = 'plane'
assert not qtctrl.planeControls.isHidden() # isVisible() != not isHidden()
def test_depiction_combobox_changes(qtbot):
"""Changing the model attribute should update the view."""
layer = Image(np.random.rand(10, 15, 20))
layer._slice_dims(ndisplay=3)
qtctrl = QtImageControls(layer)
qtbot.addWidget(qtctrl)
combo_box = qtctrl.depictionComboBox
opts = {combo_box.itemText(i) for i in range(combo_box.count())}
depiction_options = {
'volume',
'plane',
}
assert opts == depiction_options
layer.depiction = 'plane'
assert combo_box.findText('plane') == combo_box.currentIndex()
layer.depiction = 'volume'
assert combo_box.findText('volume') == combo_box.currentIndex()
def test_plane_controls_show_hide_on_depiction_change(qtbot):
"""Changing depiction mode should show/hide plane controls in 3D."""
layer = Image(np.random.rand(10, 15, 20))
layer._slice_dims(ndisplay=3)
qtctrl = QtImageControls(layer)
qtbot.addWidget(qtctrl)
layer.depiction = 'volume'
assert qtctrl.planeThicknessSlider.isHidden()
assert qtctrl.planeThicknessLabel.isHidden()
assert qtctrl.planeNormalButtons.isHidden()
assert qtctrl.planeNormalLabel.isHidden()
layer.depiction = 'plane'
assert not qtctrl.planeThicknessSlider.isHidden()
assert not qtctrl.planeThicknessLabel.isHidden()
assert not qtctrl.planeNormalButtons.isHidden()
assert not qtctrl.planeNormalLabel.isHidden()
