Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/qtpy/tests/test_uic.py

86 lines
2.4 KiB
Python

import os
import sys
import contextlib
import pytest
from qtpy import PYSIDE2, QtWidgets
from qtpy.QtWidgets import QComboBox
from qtpy import uic
from qtpy.uic import loadUi
QCOMBOBOX_SUBCLASS = """
from qtpy.QtWidgets import QComboBox
class _QComboBoxSubclass(QComboBox):
pass
"""
@contextlib.contextmanager
def enabled_qcombobox_subclass(tmpdir):
"""
Context manager that sets up a temporary module with a QComboBox subclass
and then removes it once we are done.
"""
with open(tmpdir.join('qcombobox_subclass.py').strpath, 'w') as f:
f.write(QCOMBOBOX_SUBCLASS)
sys.path.insert(0, tmpdir.strpath)
yield
sys.path.pop(0)
def get_qapp(icon_path=None):
"""
Helper function to return a QApplication instance
"""
qapp = QtWidgets.QApplication.instance()
if qapp is None:
qapp = QtWidgets.QApplication([''])
return qapp
@pytest.mark.skipif((PYSIDE2 and os.environ.get('CI', None) is not None),
reason="It segfaults in our CIs with PYSIDE2")
def test_load_ui():
"""
Make sure that the patched loadUi function behaves as expected with a
simple .ui file.
"""
app = get_qapp()
ui = loadUi(os.path.join(os.path.dirname(__file__), 'test.ui'))
assert isinstance(ui.pushButton, QtWidgets.QPushButton)
assert isinstance(ui.comboBox, QComboBox)
@pytest.mark.skipif((PYSIDE2 and os.environ.get('CI', None) is not None),
reason="It segfaults in our CIs with PYSIDE2")
def test_load_ui_custom_auto(tmpdir):
"""
Test that we can load a .ui file with custom widgets without having to
explicitly specify a dictionary of custom widgets, even in the case of
PySide.
"""
app = get_qapp()
with enabled_qcombobox_subclass(tmpdir):
from qcombobox_subclass import _QComboBoxSubclass
ui = loadUi(os.path.join(os.path.dirname(__file__), 'test_custom.ui'))
assert isinstance(ui.pushButton, QtWidgets.QPushButton)
assert isinstance(ui.comboBox, _QComboBoxSubclass)
def test_load_full_uic():
"""Test that we load the full uic objects for PyQt5 and PyQt4."""
QT_API = os.environ.get('QT_API', '').lower()
if QT_API.startswith('pyside'):
assert hasattr(uic, 'loadUi')
assert not hasattr(uic, 'loadUiType')
else:
objects = ['compileUi', 'compileUiDir', 'loadUi', 'loadUiType',
'widgetPluginPath']
assert all([hasattr(uic, o) for o in objects])