Logging capture causes test errors #225
Description
When I run a test using the qtbot fixture with PySide2, I get the following error
============================= test session starts ==============================
platform linux -- Python 3.7.0, pytest-3.7.3, py-1.5.4, pluggy-0.7.1
PySide2 5.11.1 -- Qt runtime 5.11.1 -- Qt compiled 5.11.1
rootdir: /home/user/Documents/Writing/Coding/Python/myproject, inifile:
plugins: qt-3.0.0, pudb-0.6, cov-2.5.1
collected 1 item
test_pytestqt.py E [100%]
==================================== ERRORS ====================================
_____________________ ERROR at setup of test_preselection ______________________
qapp_args = []
@pytest.yield_fixture(scope='session')
def qapp(qapp_args):
"""
Fixture that instantiates the QApplication instance that will be used by
the tests.
You can use the ``qapp`` fixture in tests which require a ``QApplication``
to run, but where you don't need full ``qtbot`` functionality.
"""
app = qt_api.QApplication.instance()
if app is None:
global _qapp_instance
> _qapp_instance = qt_api.QApplication(qapp_args)
/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/plugin.py:50:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py:186: in _handle_with_context
self._append_new_record(msg_type, message, context=context)
/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py:172: in _append_new_record
self._records.append(Record(msg_type, message, ignored, context))
/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py:217: in __init__
self._type_name = self._get_msg_type_name(msg_type)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
cls = <class 'pytestqt.logging.Record'>
msg_type = PySide2.QtCore.QtMsgType.QtInfoMsg
@classmethod
def _get_msg_type_name(cls, msg_type):
"""
Return a string representation of the given QtMsgType enum
value.
"""
if not getattr(cls, '_type_name_map', None):
cls._type_name_map = {
qt_api.QtDebugMsg: 'QtDebugMsg',
qt_api.QtWarningMsg: 'QtWarningMsg',
qt_api.QtCriticalMsg: 'QtCriticalMsg',
qt_api.QtFatalMsg: 'QtFatalMsg',
}
> return cls._type_name_map[msg_type]
E KeyError: PySide2.QtCore.QtMsgType.QtInfoMsg
/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py:244: KeyError
=========================== 1 error in 0.17 seconds ============================
I get this error even for a test module with these contents:
def test_preselection(qtbot):
pass
The output of pip freeze is
astroid==2.0.4
atomicwrites==1.2.0
attrs==18.1.0
coverage==4.5.1
isort==4.3.4
lazy-object-proxy==1.3.1
mccabe==0.6.1
more-itertools==4.3.0
mypy==0.620
pluggy==0.7.1
pudb==2018.1
py==1.5.4
pycodestyle==2.4.0
Pygments==2.2.0
pylint==2.1.1
PySide2==5.11.1
pytest==3.7.3
pytest-cov==2.5.1
pytest-pudb==0.6
pytest-qt==3.0.0
Switching from PySide2 to PyQt5, I get a different error message:
===================================================================================================== ERRORS ======================================================================================================
_______________________________________________________________________________________ ERROR at setup of test_preselection _______________________________________________________________________________________
SETUP ERROR: Qt exceptions in virtual methods:
________________________________________________________________________________
Traceback (most recent call last):
File "/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py", line 186, in _handle_with_context
self._append_new_record(msg_type, message, context=context)
File "/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py", line 172, in _append_new_record
self._records.append(Record(msg_type, message, ignored, context))
File "/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py", line 217, in __init__
self._type_name = self._get_msg_type_name(msg_type)
File "/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py", line 244, in _get_msg_type_name
return cls._type_name_map[msg_type]
KeyError: 4
________________________________________________________________________________
---------------------------------------------------------------------------------------------- Captured stderr setup ----------------------------------------------------------------------------------------------
Qt exceptions in virtual methods:
________________________________________________________________________________
Traceback (most recent call last):
File "/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py", line 186, in _handle_with_context
self._append_new_record(msg_type, message, context=context)
File "/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py", line 172, in _append_new_record
self._records.append(Record(msg_type, message, ignored, context))
File "/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py", line 217, in __init__
self._type_name = self._get_msg_type_name(msg_type)
File "/home/user/.local/share/virtualenvs/myproject-TS3ABiG4/lib/python3.7/site-packages/pytestqt/logging.py", line 244, in _get_msg_type_name
return cls._type_name_map[msg_type]
KeyError: 4
For both PySide2 and PyQt, the test runs successfully when using pytest --no-qt-log.