def test_range_popup_clim_buttons(mock_show, qtbot, layer):
"""The buttons in the clim_popup should adjust the contrast limits value"""
qtctrl = QtBaseImageControls(layer)
qtbot.addWidget(qtctrl)
original_clims = tuple(layer.contrast_limits)
layer.contrast_limits = (20, 40)
qtbot.mousePress(qtctrl.contrastLimitsSlider, Qt.RightButton)
# pressing the reset button returns the clims to the default values
reset_button = qtctrl.clim_popup.findChild(QPushButton,
"reset_clims_button")
reset_button.click()
qtbot.wait(20)
assert tuple(qtctrl.contrastLimitsSlider.value()) == original_clims
rangebtn = qtctrl.clim_popup.findChild(QPushButton,
"full_clim_range_button")
# the data we created above was uint16 for Image, and float for Surface
# Surface will not have a "full range button"
if np.issubdtype(layer.dtype, np.integer):
rangebtn.click()
qtbot.wait(20)
assert tuple(layer.contrast_limits_range) == (0, 2**16 - 1)
min_ = qtctrl.contrastLimitsSlider.minimum()
max_ = qtctrl.contrastLimitsSlider.maximum()
assert (min_, max_) == (0, 2**16 - 1)
else:
assert rangebtn is None
def test_changing_model_updates_view(qtbot, layer):
"""Changing the model attribute should update the view"""
qtctrl = QtBaseImageControls(layer)
qtbot.addWidget(qtctrl)
new_clims = (20, 40)
layer.contrast_limits = new_clims
assert tuple(qtctrl.contrastLimitsSlider.value()) == new_clims
def test_base_controls_creation(qtbot, layer):
"""Check basic creation of QtBaseImageControls works"""
qtctrl = QtBaseImageControls(layer)
qtbot.addWidget(qtctrl)
original_clims = tuple(layer.contrast_limits)
slider_clims = qtctrl.contrastLimitsSlider.value()
assert slider_clims[0] == 0
assert slider_clims[1] == 99
assert tuple(slider_clims) == original_clims
def test_clim_right_click_shows_popup(mock_show, qtbot, layer):
"""Right clicking on the contrast limits slider should show a popup."""
qtctrl = QtBaseImageControls(layer)
qtbot.addWidget(qtctrl)
qtbot.mousePress(qtctrl.contrastLimitsSlider, Qt.RightButton)
assert hasattr(qtctrl, 'clim_popup')
# this mock doesn't seem to be working on cirrus windows
# but it works on local windows tests...
if not (os.name == 'nt' and os.getenv("CI")):
mock_show.assert_called_once()
def test_qt_image_controls_change_contrast(qtbot):
layer = Image(np.random.rand(8, 8))
qtctrl = QtBaseImageControls(layer)
qtbot.addWidget(qtctrl)
qtctrl.contrastLimitsSlider.setValue((0.1, 0.8))
assert tuple(layer.contrast_limits) == (0.1, 0.8)