159 lines
5.2 KiB
Python
159 lines
5.2 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2016-2018 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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"""Tests for qutebrowser.misc.utilcmds."""
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import contextlib
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import logging
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import signal
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import time
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import pytest
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from PyQt5.QtCore import QUrl
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from qutebrowser.misc import utilcmds
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from qutebrowser.commands import cmdexc
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from qutebrowser.utils import utils, objreg
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@contextlib.contextmanager
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def _trapped_segv(handler):
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"""Temporarily install given signal handler for SIGSEGV."""
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old_handler = signal.signal(signal.SIGSEGV, handler)
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yield
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signal.signal(signal.SIGSEGV, old_handler)
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def test_debug_crash_exception():
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"""Verify that debug_crash crashes as intended."""
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with pytest.raises(Exception, match="Forced crash"):
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utilcmds.debug_crash(typ='exception')
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@pytest.mark.skipif(utils.is_windows,
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reason="current CPython/win can't recover from SIGSEGV")
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def test_debug_crash_segfault():
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"""Verify that debug_crash crashes as intended."""
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caught = False
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def _handler(num, frame):
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"""Temporary handler for segfault."""
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nonlocal caught
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caught = num == signal.SIGSEGV
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with _trapped_segv(_handler):
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# since we handle the segfault, execution will continue and run into
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# the "Segfault failed (wat.)" Exception
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with pytest.raises(Exception, match="Segfault failed"):
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utilcmds.debug_crash(typ='segfault')
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time.sleep(0.001)
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assert caught
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def test_debug_trace(mocker):
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"""Check if hunter.trace is properly called."""
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# but only if hunter is available
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pytest.importorskip('hunter')
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hunter_mock = mocker.patch('qutebrowser.misc.utilcmds.hunter')
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utilcmds.debug_trace(1)
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hunter_mock.trace.assert_called_with(1)
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def test_debug_trace_exception(mocker):
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"""Check that exceptions thrown by hunter.trace are handled."""
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def _mock_exception():
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"""Side effect for testing debug_trace's reraise."""
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raise Exception('message')
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hunter_mock = mocker.patch('qutebrowser.misc.utilcmds.hunter')
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hunter_mock.trace.side_effect = _mock_exception
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with pytest.raises(cmdexc.CommandError, match='Exception: message'):
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utilcmds.debug_trace()
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def test_debug_trace_no_hunter(monkeypatch):
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"""Test that an error is shown if debug_trace is called without hunter."""
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monkeypatch.setattr(utilcmds, 'hunter', None)
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with pytest.raises(cmdexc.CommandError, match="You need to install "
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"'hunter' to use this command!"):
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utilcmds.debug_trace()
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def test_repeat_command_initial(mocker, mode_manager):
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"""Test repeat_command first-time behavior.
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If :repeat-command is called initially, it should err, because there's
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nothing to repeat.
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"""
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objreg_mock = mocker.patch('qutebrowser.misc.utilcmds.objreg')
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objreg_mock.get.return_value = mode_manager
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with pytest.raises(cmdexc.CommandError,
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match="You didn't do anything yet."):
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utilcmds.repeat_command(win_id=0)
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def test_debug_log_level(mocker):
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"""Test interactive log level changing."""
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formatter_mock = mocker.patch(
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'qutebrowser.misc.utilcmds.log.change_console_formatter')
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handler_mock = mocker.patch(
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'qutebrowser.misc.utilcmds.log.console_handler')
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utilcmds.debug_log_level(level='debug')
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formatter_mock.assert_called_with(logging.DEBUG)
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handler_mock.setLevel.assert_called_with(logging.DEBUG)
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class FakeWindow:
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"""Mock class for window_only."""
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def __init__(self, deleted=False):
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self.closed = False
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self.deleted = deleted
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def close(self):
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"""Flag as closed."""
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self.closed = True
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def test_window_only(mocker, monkeypatch):
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"""Verify that window_only doesn't close the current or deleted windows."""
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test_windows = {0: FakeWindow(), 1: FakeWindow(True), 2: FakeWindow()}
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winreg_mock = mocker.patch('qutebrowser.misc.utilcmds.objreg')
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winreg_mock.window_registry = test_windows
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sip_mock = mocker.patch('qutebrowser.misc.utilcmds.sip')
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sip_mock.isdeleted.side_effect = lambda window: window.deleted
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utilcmds.window_only(current_win_id=0)
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assert not test_windows[0].closed
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assert not test_windows[1].closed
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assert test_windows[2].closed
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@pytest.fixture
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def tabbed_browser(stubs, win_registry):
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tb = stubs.TabbedBrowserStub()
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objreg.register('tabbed-browser', tb, scope='window', window=0)
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yield tb
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objreg.delete('tabbed-browser', scope='window', window=0)
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def test_version(tabbed_browser):
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utilcmds.version(win_id=0)
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assert tabbed_browser.opened_url == QUrl('qute://version')
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