132 lines
4.2 KiB
Python
132 lines
4.2 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2015 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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# pylint: disable=protected-access
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"""Tests for qutebrowser.misc.guiprocess."""
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import sys
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import textwrap
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import logging
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import pytest
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from PyQt5.QtCore import QProcess
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from qutebrowser.misc import guiprocess
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# FIXME check statusbar messages
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def _py_proc(code):
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"""Get a python executable and args list which executes the given code."""
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return (sys.executable, ['-c', textwrap.dedent(code.strip('\n'))])
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@pytest.fixture(autouse=True)
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def mock_modules(monkeypatch, stubs):
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monkeypatch.setattr('qutebrowser.misc.guiprocess.message',
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stubs.MessageModule())
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@pytest.yield_fixture()
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def proc(qtbot):
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"""A fixture providing a GUIProcess and cleaning it up after the test."""
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p = guiprocess.GUIProcess(0, 'test')
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yield p
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if p._proc.state() == QProcess.Running:
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with qtbot.waitSignal(p.finished, timeout=10000) as blocker:
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p._proc.terminate()
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if not blocker.signal_triggered:
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p._proc.kill()
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@pytest.fixture()
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def fake_proc(monkeypatch, stubs):
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"""A fixture providing a GUIProcess with a mocked QProcess."""
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p = guiprocess.GUIProcess(0, 'test')
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monkeypatch.setattr(p, '_proc', stubs.fake_qprocess())
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return p
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@pytest.mark.not_frozen
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def test_start(proc, qtbot):
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"""Test simply starting a process."""
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with qtbot.waitSignals([proc.started, proc.finished], raising=True,
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timeout=10000):
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argv = _py_proc("import sys; print('test'); sys.exit(0)")
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proc.start(*argv)
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assert bytes(proc._proc.readAll()).rstrip() == b'test'
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@pytest.mark.parametrize('argv', [
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pytest.mark.not_frozen(_py_proc('import sys; sys.exit(0)')),
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('does_not', 'exist'),
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])
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def test_start_detached(fake_proc, argv):
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"""Test starting a detached process."""
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fake_proc._proc.startDetached.return_value = (True, 0)
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fake_proc.start_detached(*argv)
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fake_proc._proc.startDetached.assert_called_with(*list(argv) + [None])
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@pytest.mark.not_frozen
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def test_double_start(qtbot, proc):
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"""Test starting a GUIProcess twice."""
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with qtbot.waitSignal(proc.started, raising=True, timeout=10000):
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argv = _py_proc("import time; time.sleep(10)")
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proc.start(*argv)
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with pytest.raises(ValueError):
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proc.start('', [])
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@pytest.mark.not_frozen
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def test_double_start_finished(qtbot, proc):
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"""Test starting a GUIProcess twice (with the first call finished)."""
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with qtbot.waitSignals([proc.started, proc.finished], raising=True,
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timeout=10000):
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argv = _py_proc("import sys; sys.exit(0)")
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proc.start(*argv)
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with qtbot.waitSignals([proc.started, proc.finished], raising=True,
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timeout=10000):
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argv = _py_proc("import sys; sys.exit(0)")
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proc.start(*argv)
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def test_cmd_args(fake_proc):
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"""Test the cmd and args attributes."""
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cmd = 'does_not_exist'
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args = ['arg1', 'arg2']
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fake_proc.start(cmd, args)
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assert (fake_proc.cmd, fake_proc.args) == (cmd, args)
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def test_error(qtbot, proc, caplog):
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"""Test the process emitting an error."""
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with caplog.atLevel(logging.ERROR, 'message'):
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with qtbot.waitSignal(proc.error, raising=True):
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proc.start('this_does_not_exist_either', [])
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@pytest.mark.not_frozen
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def test_exit_unsuccessful(qtbot, proc):
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with qtbot.waitSignal(proc.finished, raising=True, timeout=10000):
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proc.start(*_py_proc('import sys; sys.exit(0)'))
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