def test_form_cwidget_bck_compat(qtbot):
"""check that the cusomWidgetMap bck-compat works"""
w = TaurusForm()
qtbot.addWidget(w)
# check that custom widget map is empty by default
assert w.getCustomWidgetMap() == {}
w.setItemFactories(include=())
try:
# check that an explicit call to setCustomWidgetMap works
dummy = ("taurus.qt.qtgui.panel.test.test_taurusform._DummyTV", (), {})
w.setCustomWidgetMap({"DataBase": dummy})
w.setModel(["tango:sys/database/2", "tango:sys/tg_test/1"])
qtbot.wait_until(lambda: len(w) == 2, timeout=3200)
assert type(w[0]) == _DummyTV
assert type(w[1]) == TaurusValue
assert w.getCustomWidgetMap() == {"DataBase": dummy}
# check that the custom widget map can be restored
w.setCustomWidgetMap({})
w.setModel(["tango:sys/database/2", "tango:sys/tg_test/1"])
qtbot.wait_until(lambda: len(w) == 2, timeout=3200)
assert type(w[0]) == TaurusValue
assert type(w[1]) == TaurusValue
assert w.getCustomWidgetMap() == {}
finally:
# set model to None as an attempt to avoid problems in atexit()
w.setModel(None)
qtbot.wait_until(lambda: len(w) == 0, timeout=3200)
