def test_rendering_combobox(qtbot):
"""Changing the model attribute should update the view"""
layer = Labels(_LABELS)
qtctrl = QtLabelsControls(layer)
qtbot.addWidget(qtctrl)
combo = qtctrl.renderComboBox
opts = {combo.itemText(i) for i in range(combo.count())}
rendering_options = {'translucent', 'iso_categorical'}
assert opts == rendering_options
# programmatically updating rendering mode updates the combobox
new_mode = 'iso_categorical'
layer.rendering = new_mode
assert combo.findText(new_mode) == combo.currentIndex()
