def test_changing_ndim(qtbot):
"""
Test changing the number of dimensions
"""
ndim = 4
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
view.show()
# Check that adding dimensions adds sliders
view.dims.ndim = 5
assert view.nsliders == view.dims.ndim
assert np.sum(view._displayed_sliders) == view.dims.ndim - 2
assert np.all([
s.isVisible() == d
for s, d in zip(view.slider_widgets, view._displayed_sliders)
])
# Check that removing dimensions removes sliders
view.dims.ndim = 2
assert view.nsliders == view.dims.ndim
assert np.sum(view._displayed_sliders) == view.dims.ndim - 2
assert np.all([
s.isVisible() == d
for s, d in zip(view.slider_widgets, view._displayed_sliders)
])
def test_changing_display(qtbot):
"""
Test changing the displayed property of an axis
"""
ndim = 4
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
view.show()
assert view.nsliders == view.dims.ndim
assert np.sum(view._displayed_sliders) == view.dims.ndim - 2
assert np.all([
s.isVisible() == d
for s, d in zip(view.slider_widgets, view._displayed_sliders)
])
# Check changing displayed removes a slider
view.dims.ndisplay = 3
assert view.nsliders == view.dims.ndim
assert np.sum(view._displayed_sliders) == view.dims.ndim - 3
assert np.all([
s.isVisible() == d
for s, d in zip(view.slider_widgets, view._displayed_sliders)
])
def test_singleton_dims(qtbot):
"""
Test singleton dims causes no slider.
"""
ndim = 4
dims = Dims(ndim)
dims.set_range(0, (0, 1, 1))
view = QtDims(dims)
qtbot.addWidget(view)
view.show()
# Check that the dims model has been appended to the dims view
assert view.dims == dims
# Check the number of displayed sliders is only one
assert view.nsliders == 4
assert np.sum(view._displayed_sliders) == 1
assert np.all([
s.isVisible() == d
for s, d in zip(view.slider_widgets, view._displayed_sliders)
])
# Change ndisplay to three
view.dims.ndisplay = 3
# Check no sliders now shown
assert np.sum(view._displayed_sliders) == 0
# Change ndisplay back to two
view.dims.ndisplay = 2
# Check only slider now shown
assert np.sum(view._displayed_sliders) == 1
def test_order_when_changing_ndim(qtbot):
"""
Test order of the sliders when changing the number of dimensions.
"""
ndim = 4
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
# Check that values of the dimension slider matches the values of the
# dims point after the point has been moved within the dims
view.dims.set_point(0, 2)
view.dims.set_point(1, 1)
for i in range(view.dims.ndim - 2):
assert view.sliders[i].value() == view.dims.point[i]
# Check the matching dimensions and sliders are preserved when
# dimensions are added
view.dims.ndim = 5
for i in range(view.dims.ndim - 2):
assert view.sliders[i].value() == view.dims.point[i]
# Check the matching dimensions and sliders are preserved when dims
# dimensions are removed
view.dims.ndim = 4
for i in range(view.dims.ndim - 2):
assert view.sliders[i].value() == view.dims.point[i]
# Check the matching dimensions and sliders are preserved when dims
# dimensions are removed
view.dims.ndim = 3
for i in range(view.dims.ndim - 2):
assert view.sliders[i].value() == view.dims.point[i]
def test_slider_range(qtbot):
"""
Tests range of the slider is matched to the range of the dims
"""
ndim = 4
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
# Check the range of slider matches the values of the range of the dims
# at initialization
first_slider = view.slider_widgets[0].slider
assert first_slider.minimum() == view.dims.range[0][0]
assert (
first_slider.maximum() == view.dims.range[0][1] - view.dims.range[0][2]
)
assert first_slider.singleStep() == view.dims.range[0][2]
# Check the range of slider stays matched to the values of the range of
# the dims
view.dims.set_range(0, (1, 5, 2))
assert first_slider.minimum() == view.dims.range[0][0]
assert (
first_slider.maximum() == view.dims.range[0][1] - view.dims.range[0][2]
)
assert first_slider.singleStep() == view.dims.range[0][2]
def test_slider_press_updates_last_used(qtbot):
"""pressing on the slider should update the dims.last_used property"""
ndim = 5
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
for i, widg in enumerate(view.slider_widgets):
widg.slider.sliderPressed.emit()
assert view.last_used == i
def test_creating_view(qtbot):
"""
Test creating dims view.
"""
ndim = 4
dims = Dims(ndim)
view = QtDims(dims)
qtbot.addWidget(view)
view.show()
# Check that the dims model has been appended to the dims view
assert view.dims == dims
# Check the number of displayed sliders is two less than the number of
# dimensions
assert view.nsliders == view.dims.ndim
assert np.sum(view._displayed_sliders) == view.dims.ndim - 2
assert np.all([
s.isVisible() == d
for s, d in zip(view.slider_widgets, view._displayed_sliders)
])
def test_creating_view(qtbot):
"""
Test creating dims view.
"""
ndim = 4
dims = Dims(ndim)
view = QtDims(dims)
qtbot.addWidget(view)
# Check that the dims model has been appended to the dims view
assert view.dims == dims
# Check the number of sliders is two less than the number of dimensions
assert view.nsliders == ndim - 2
def test_changing_display(qtbot):
"""
Test changing the displayed property of an axis
"""
ndim = 4
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
assert view.nsliders == 2
assert np.sum(view._displayed) == 2
# Check changing displayed removes a slider
view.dims.set_display(1, True)
assert np.sum(view._displayed) == 1
def test_update_dims_labels(qtbot):
"""
Test that the slider_widget axis labels are updated with the dims model
and vice versa.
"""
ndim = 4
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
view.dims.axis_labels = list('TZYX')
assert [w.axis_label.text() for w in view.slider_widgets] == list('TZYX')
first_label = view.slider_widgets[0].axis_label
assert first_label.text() == view.dims.axis_labels[0]
first_label.setText('napari')
# first_label.editingFinished.emit()
assert first_label.text() == view.dims.axis_labels[0]
def test_changing_ndim(qtbot):
"""
Test changing the number of dimensions
"""
ndim = 4
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
# Check that adding dimensions adds sliders
view.dims.ndim = 5
assert view.nsliders == 3
# Check that removing dimensions removes sliders
view.dims.ndim = 2
assert view.nsliders == 0
def test_play_button(qtbot):
"""test that the play button and its popup dialog work"""
ndim = 3
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
button = view.slider_widgets[0].play_button
qtbot.mouseClick(button, Qt.LeftButton)
qtbot.waitSignal(view._animation_thread.started, timeout=5000)
qtbot.wait(200)
assert view.is_playing
with qtbot.waitSignal(view._animation_thread.finished, timeout=7000):
qtbot.mouseClick(button, Qt.LeftButton)
qtbot.wait(200)
assert not view.is_playing
assert not button.popup.isVisible()
qtbot.mouseClick(button, Qt.RightButton)
assert button.popup.isVisible()
def test_slider_range(qtbot):
"""
Tests range of the slider is matched to the range of the dims
"""
ndim = 4
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
# Check the range of slider matches the values of the range of the dims
# at initialization
assert view.sliders[0].start == view.dims.range[0][0]
assert view.sliders[0].end == view.dims.range[0][1] - view.dims.range[0][2]
assert view.sliders[0].single_step == view.dims.range[0][2]
# Check the range of slider stays matched to the values of the range of
# the dims
view.dims.set_range(0, (1, 5, 2))
assert view.sliders[0].start == view.dims.range[0][0]
assert view.sliders[0].end == view.dims.range[0][1] - view.dims.range[0][2]
assert view.sliders[0].single_step == view.dims.range[0][2]
def test_slider_values(qtbot):
"""
Test the values of a slider stays matched to the values of the dims point.
"""
ndim = 4
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
# Check that values of the dimension slider matches the values of the
# dims point at initialization
first_slider = view.slider_widgets[0].slider
assert first_slider.value() == view.dims.point[0]
# Check that values of the dimension slider matches the values of the
# dims point after the point has been moved within the dims
view.dims.set_point(0, 2)
assert first_slider.value() == view.dims.point[0]
# Check that values of the dimension slider matches the values of the
# dims point after the point has been moved within the slider
first_slider.setValue(1)
assert first_slider.value() == view.dims.point[0]
def test_changing_focus(qtbot):
"""Test changing focus updates the dims.last_used prop."""
# too-few dims, should have no sliders to update
ndim = 2
view = QtDims(Dims(ndim))
qtbot.addWidget(view)
assert view.last_used is None
view.focus_down()
view.focus_up()
assert view.last_used is None
view.dims.ndim = 5
assert view.last_used == 2
view.focus_down()
assert view.last_used == 1
view.focus_up()
assert view.last_used == 2
view.focus_up()
assert view.last_used == 0
view.focus_down()
assert view.last_used == 2
