def test_qt_interactor(qtbot):
from pyvista.plotting.plotting import close_all, _ALL_PLOTTERS
close_all() # this is necessary to test _ALL_PLOTTERS
assert len(_ALL_PLOTTERS) == 0
window = TstWindow(show=False, off_screen=False)
qtbot.addWidget(window) # register the main widget
# check that TstWindow.__init__() is called
assert _hasattr(window, "vtk_widget", QtInteractor)
vtk_widget = window.vtk_widget # QtInteractor
# check that QtInteractor.__init__() is called
assert _hasattr(vtk_widget, "iren", vtk.vtkRenderWindowInteractor)
assert _hasattr(vtk_widget, "render_timer", QTimer)
# check that BasePlotter.__init__() is called
assert _hasattr(vtk_widget, "_style", vtk.vtkInteractorStyle)
assert _hasattr(vtk_widget, "_closed", bool)
# check that QVTKRenderWindowInteractorAdapter.__init__() is called
assert _hasattr(vtk_widget, "interactor", QVTKRenderWindowInteractor)
interactor = vtk_widget.interactor # QVTKRenderWindowInteractor
render_timer = vtk_widget.render_timer # QTimer
# ensure that self.render is called by the timer
render_blocker = qtbot.wait_signals([render_timer.timeout], timeout=500)
render_blocker.wait()
window.add_sphere()
assert np.any(window.vtk_widget.mesh.points)
with qtbot.wait_exposed(window, timeout=5000):
window.show()
with qtbot.wait_exposed(interactor, timeout=5000):
interactor.show()
assert window.isVisible()
assert interactor.isVisible()
assert render_timer.isActive()
assert not vtk_widget._closed
window.close()
assert not window.isVisible()
assert not interactor.isVisible()
assert not render_timer.isActive()
# check that BasePlotter.close() is called
assert not hasattr(vtk_widget, "_style")
assert not hasattr(vtk_widget, "iren")
assert vtk_widget._closed
# check that BasePlotter.__init__() is called only once
assert len(_ALL_PLOTTERS) == 1
def test_background_plotting_close(qtbot, close_event, empty_scene, plotting):
from pyvista.plotting.plotting import _ALL_PLOTTERS, close_all
close_all() # this is necessary to test _ALL_PLOTTERS
assert len(_ALL_PLOTTERS) == 0
plotter = _create_testing_scene(empty_scene)
# check that BackgroundPlotter.__init__() is called
assert_hasattr(plotter, "app_window", MainWindow)
assert_hasattr(plotter, "main_menu", QMenuBar)
# check that QtInteractor.__init__() is called
assert hasattr(plotter, "iren")
assert_hasattr(plotter, "render_timer", QTimer)
# check that BasePlotter.__init__() is called
assert_hasattr(plotter, "_closed", bool)
# check that QVTKRenderWindowInteractorAdapter._init__() is called
assert_hasattr(plotter, "interactor", QVTKRenderWindowInteractor)
window = plotter.app_window # MainWindow
main_menu = plotter.main_menu
assert not main_menu.isNativeMenuBar()
interactor = plotter.interactor # QVTKRenderWindowInteractor
render_timer = plotter.render_timer # QTimer
qtbot.addWidget(window) # register the main widget
# ensure that self.render is called by the timer
render_blocker = qtbot.wait_signals([render_timer.timeout], timeout=500)
render_blocker.wait()
# ensure that the widgets are showed
with qtbot.wait_exposed(window, timeout=10000):
window.show()
with qtbot.wait_exposed(interactor, timeout=10000):
interactor.show()
# check that the widgets are showed properly
assert window.isVisible()
assert interactor.isVisible()
assert main_menu.isVisible()
assert render_timer.isActive()
assert not plotter._closed
with qtbot.wait_signals([window.signal_close], timeout=500):
if close_event == "plotter_close":
plotter.close()
elif close_event == "window_close":
window.close()
elif close_event == "q_key_press":
qtbot.keyClick(interactor, "q")
elif close_event == "menu_exit":
plotter._menu_close_action.trigger()
elif close_event == "del_finalizer":
plotter.__del__()
# check that the widgets are closed
assert not window.isVisible()
assert not interactor.isVisible()
assert not main_menu.isVisible()
assert not render_timer.isActive()
# check that BasePlotter.close() is called
if LooseVersion(pyvista.__version__) < '0.27.0':
assert not hasattr(vtk_widget, "iren")
assert plotter._closed
# check that BasePlotter.__init__() is called only once
assert len(_ALL_PLOTTERS) == 1
