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)
def test_form_itemFactory_selection(qtbot):
"""Checks that the TaurusForm itemFactory selection API works"""
lines = ["test_Form_ItemFactorySel={}:_DummyItemFactory".format(__name__)]
group = "taurus.form.item_factories"
mapping = mock_entry_point(lines, group=group)
ep1 = mapping[group]["test_Form_ItemFactorySel"]
w = TaurusForm()
qtbot.addWidget(w)
# the test_Form_ItemFactory should be in the default factories
default_factories = w.getItemFactories()
assert ep1 in default_factories
# no factories should be excluded by default
inc, exc = w.getItemFactories(return_disabled=True)
assert exc == []
# Check that we can deselect all factories
no_factories = w.setItemFactories(include=[])
assert no_factories == []
# Check that we can exclude everything except test_Form_ItemFactory
select1 = w.setItemFactories(exclude=[r"(?!.*test_Form_ItemFactorySel).*"])
assert select1 == [ep1]
# Check that we can include only test_Form_ItemFactory
select2 = w.setItemFactories(include=["test_Form_ItemFactorySel"])
assert select2 == [ep1]
# Check that the selected test_Form_ItemFactory is an entry point
from pkg_resources import EntryPoint
assert type(select2[0]) == EntryPoint
# Check that the selected entry point loads _DummyItemFactory
assert select2[0].load() is _DummyItemFactory
# Check that we can include a factory instance
select3 = w.setItemFactories(include=[_DummyItemFactory])
# Check that the selected test_Form_ItemFactory is an entry point-alike
from taurus.core.util.plugin import EntryPointAlike
assert type(select3[0]) == EntryPointAlike
# Check that the selected entry point loads _DummyItemFactory
assert select3[0].load() is _DummyItemFactory
# Check that the selected entry point has the given name
assert select3[0].name == repr(_DummyItemFactory)
def test_form_itemFactory_loading(qtbot):
"""
check that the factory loading is robust against unloadable plugins
and badly-implemented item factories
"""
w = TaurusForm()
qtbot.addWidget(w)
w.setItemFactories(include=(_BadEntryPoint, _BadFactory,
_DummyItemFactory))
w.setModel([
"eval://localhost/@dummy/'test_itemfactory'",
"eval://localhost/@dummy/'test_badfactory'",
"eval:1",
])
qtbot.wait_until(lambda: len(w) == 3, timeout=3200)
# handled by _DummyItemFactory
assert type(w[0]) == _DummyTV
# handled in _BadFactory (even if with wrong return value)
assert type(w[1]) == _DummyTV
# errored in _BadFactory, ignored by _DummyItemFactory
assert type(w[2]) == TaurusValue
