129 lines
4.3 KiB
Python
129 lines
4.3 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2016-2017 Florian Bruhin (The-Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# qutebrowser is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""Test qutebrowser.misc.earlyinit."""
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import os
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import sys
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import types
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import logging
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import pkg_resources
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import pytest
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from qutebrowser.misc import earlyinit
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@pytest.mark.parametrize('attr', ['stderr', '__stderr__'])
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def test_init_faulthandler_stderr_none(monkeypatch, attr):
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"""Make sure init_faulthandler works when sys.stderr/__stderr__ is None."""
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monkeypatch.setattr(sys, attr, None)
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earlyinit.init_faulthandler()
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class TestFixHarfbuzz:
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@pytest.fixture(autouse=True)
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def clear_harfbuzz(self):
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"""Clear QT_HARFBUZZ before/after tests."""
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old_harfbuzz = os.environ.pop('QT_HARFBUZZ', None)
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yield
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if old_harfbuzz is None:
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os.environ.pop('QT_HARFBUZZ', None)
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else:
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os.environ['QT_HARFBUZZ'] = old_harfbuzz
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@pytest.fixture
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def args(self):
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"""Get a fake argparse namespace."""
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return types.SimpleNamespace(harfbuzz='auto')
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@pytest.mark.parametrize('harfbuzz, qt_version, platform, expected', [
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('auto', '5.2.1', 'linux', 'old'),
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('auto', '5.3.0', 'linux', 'new'),
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('auto', '5.3.2', 'linux', 'old'),
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('auto', '5.4.0', 'linux', None),
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('auto', '5.2.1', 'windows', None),
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('old', '5.3.0', 'linux', 'old'),
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('old', '5.4.0', 'linux', 'old'),
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('new', '5.2.1', 'linux', 'new'),
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('new', '5.3.2', 'linux', 'new'),
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('new', '5.4.0', 'linux', 'new'),
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])
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def test_fix_harfbuzz(self, clear_harfbuzz, args, monkeypatch, caplog,
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harfbuzz, qt_version, platform, expected):
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"""Check the QT_HARFBUZZ env var."""
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args.harfbuzz = harfbuzz
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monkeypatch.setattr(earlyinit, '_qt_version',
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lambda: pkg_resources.parse_version(qt_version))
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monkeypatch.setattr(earlyinit.sys, 'platform', platform)
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with caplog.at_level(logging.WARNING):
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# Because QtWidgets is already imported
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earlyinit.fix_harfbuzz(args)
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assert os.environ.get('QT_HARFBUZZ', None) == expected
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@pytest.mark.parametrize('frozen, level', [
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(True, logging.DEBUG),
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(False, logging.WARNING),
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])
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def test_widgets_warning(self, args, monkeypatch, caplog, frozen, level):
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"""Make sure fix_harfbuzz warns when QtWidgets is imported."""
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# Make sure QtWidgets is in sys.modules
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from PyQt5 import QtWidgets # pylint: disable=unused-variable
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if frozen:
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monkeypatch.setattr(earlyinit.sys, 'frozen', True, raising=False)
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else:
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monkeypatch.delattr(earlyinit.sys, 'frozen', raising=False)
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with caplog.at_level(level):
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earlyinit.fix_harfbuzz(args)
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record = caplog.records[0]
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assert record.levelno == level
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msg = "Harfbuzz fix attempted but QtWidgets is already imported!"
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assert record.message == msg
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def test_no_warning(self, args, monkeypatch):
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"""Without QtWidgets in sys.modules, no warning should be shown."""
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monkeypatch.setattr(earlyinit.sys, 'modules', {})
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earlyinit.fix_harfbuzz(args)
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@pytest.mark.parametrize('same', [True, False])
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def test_qt_version(same):
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if same:
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qt_version_str = '5.4.0'
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expected = '5.4.0'
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else:
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qt_version_str = '5.3.0'
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expected = '5.4.0 (compiled 5.3.0)'
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actual = earlyinit.qt_version(qversion='5.4.0',
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qt_version_str=qt_version_str)
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assert actual == expected
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def test_qt_version_no_args():
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"""Make sure qt_version without arguments at least works."""
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earlyinit.qt_version()
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