qutebrowser/tests/unit/misc/test_checkpyver.py

84 lines
2.7 KiB
Python

# SPDX-FileCopyrightText: Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# SPDX-License-Identifier: GPL-3.0-or-later
"""Tests for qutebrowser.misc.checkpyver."""
import re
import sys
import subprocess
import unittest.mock
import pytest
from qutebrowser.misc import checkpyver
TEXT = (r"At least Python 3.9 is required to run qutebrowser, but it's "
r"running with \d+\.\d+\.\d+.")
@pytest.mark.not_frozen
@pytest.mark.parametrize('python', ['python2', 'python3.6'])
def test_old_python(python):
"""Run checkpyver with old python versions."""
try:
proc = subprocess.run(
[python, checkpyver.__file__, '--no-err-windows'],
capture_output=True,
check=False)
except FileNotFoundError:
pytest.skip(f"{python} not found")
assert not proc.stdout
stderr = proc.stderr.decode('utf-8').rstrip()
assert re.fullmatch(TEXT, stderr), stderr
assert proc.returncode == 1
def test_normal(capfd):
checkpyver.check_python_version()
out, err = capfd.readouterr()
assert not out
assert not err
def test_patched_no_errwindow(capfd, monkeypatch):
"""Test with a patched sys.hexversion and --no-err-windows."""
monkeypatch.setattr(checkpyver.sys, 'argv',
[sys.argv[0], '--no-err-windows'])
monkeypatch.setattr(checkpyver.sys, 'hexversion', 0x03040000)
monkeypatch.setattr(checkpyver.sys, 'exit', lambda status: None)
checkpyver.check_python_version()
stdout, stderr = capfd.readouterr()
stderr = stderr.rstrip()
assert not stdout
assert re.fullmatch(TEXT, stderr), stderr
def test_patched_errwindow(capfd, mocker, monkeypatch):
"""Test with a patched sys.hexversion and a fake Tk."""
monkeypatch.setattr(checkpyver.sys, 'hexversion', 0x03040000)
monkeypatch.setattr(checkpyver.sys, 'exit', lambda status: None)
try:
import tkinter # pylint: disable=unused-import
except ImportError:
tk_mock = mocker.patch('qutebrowser.misc.checkpyver.Tk',
spec=['withdraw'], new_callable=mocker.Mock)
msgbox_mock = mocker.patch('qutebrowser.misc.checkpyver.messagebox',
spec=['showerror'])
else:
tk_mock = mocker.patch('qutebrowser.misc.checkpyver.Tk', autospec=True)
msgbox_mock = mocker.patch('qutebrowser.misc.checkpyver.messagebox',
autospec=True)
checkpyver.check_python_version()
stdout, stderr = capfd.readouterr()
assert not stdout
assert not stderr
tk_mock.assert_called_with()
tk_mock().withdraw.assert_called_with()
msgbox_mock.showerror.assert_called_with("qutebrowser: Fatal error!",
unittest.mock.ANY)