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import pytest
import libqtile.bar
import libqtile.config
from libqtile import widget
def bad_importer(*args, **kwargs):
raise ImportError()
@pytest.mark.parametrize("position", ["top", "bottom", "left", "right"])
def test_importerrorwidget(monkeypatch, manager_nospawn, minimal_conf_noscreen, position):
"""Check we get an ImportError widget with missing import?"""
monkeypatch.setattr("libqtile.utils.importlib.import_module", bad_importer)
badwidget = widget.TextBox("I am a naughty widget.")
config = minimal_conf_noscreen
config.screens = [libqtile.config.Screen(**{position: libqtile.bar.Bar([badwidget], 10)})]
manager_nospawn.start(config)
testbar = manager_nospawn.c.bar[position]
w = testbar.info()["widgets"][0]
# Check that the widget has been replaced with an ImportError
assert w["name"] == "importerrorwidget"
assert w["text"] == "Import Error: TextBox"
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