833df95485
Scope down the new trigger-on-save behavior to only open-editor and config-edit. Other uses of the editor such as edit-url and edit-command will behave as before.
215 lines
6.9 KiB
Python
215 lines
6.9 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2014-2017 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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"""Tests for qutebrowser.misc.editor."""
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import os
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import os.path
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import logging
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from PyQt5.QtCore import QProcess
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import pytest
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from qutebrowser.misc import editor as editormod
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from qutebrowser.utils import usertypes
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@pytest.fixture(autouse=True)
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def patch_things(config_stub, monkeypatch, stubs):
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monkeypatch.setattr(editormod.guiprocess, 'QProcess',
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stubs.fake_qprocess())
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@pytest.fixture
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def editor(caplog, qtbot):
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ed = editormod.ExternalEditor()
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yield ed
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with caplog.at_level(logging.ERROR):
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ed._remove_file = True
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ed._cleanup()
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class TestArg:
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"""Test argument handling.
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Attributes:
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editor: The ExternalEditor instance to test.
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"""
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def test_placeholder(self, config_stub, editor):
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"""Test starting editor with placeholder argument."""
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config_stub.val.editor.command = ['bin', 'foo', '{}', 'bar']
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editor.edit("")
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editor._proc._proc.start.assert_called_with(
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"bin", ["foo", editor._filename, "bar"])
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def test_placeholder_inline(self, config_stub, editor):
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"""Test starting editor with placeholder arg inside of another arg."""
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config_stub.val.editor.command = ['bin', 'foo{}', 'bar']
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editor.edit("")
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editor._proc._proc.start.assert_called_with(
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"bin", ["foo" + editor._filename, "bar"])
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class TestFileHandling:
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"""Test creation/deletion of tempfile."""
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def test_ok(self, editor):
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"""Test file handling when closing with an exit status == 0."""
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editor.edit("")
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filename = editor._filename
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assert os.path.exists(filename)
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assert os.path.basename(filename).startswith('qutebrowser-editor-')
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editor._proc.finished.emit(0, QProcess.NormalExit)
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assert not os.path.exists(filename)
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def test_existing_file(self, editor, tmpdir):
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"""Test editing an existing file."""
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path = tmpdir / 'foo.txt'
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path.ensure()
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editor.edit_file(str(path))
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editor._proc.finished.emit(0, QProcess.NormalExit)
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assert path.exists()
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def test_error(self, editor):
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"""Test file handling when closing with an exit status != 0."""
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editor.edit("")
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filename = editor._filename
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assert os.path.exists(filename)
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editor._proc._proc.exitStatus = lambda: QProcess.CrashExit
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editor._proc.finished.emit(1, QProcess.NormalExit)
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assert os.path.exists(filename)
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os.remove(filename)
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def test_crash(self, editor):
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"""Test file handling when closing with a crash."""
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editor.edit("")
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filename = editor._filename
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assert os.path.exists(filename)
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editor._proc._proc.exitStatus = lambda: QProcess.CrashExit
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editor._proc.error.emit(QProcess.Crashed)
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editor._proc.finished.emit(0, QProcess.CrashExit)
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assert os.path.exists(filename)
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os.remove(filename)
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def test_unreadable(self, message_mock, editor, caplog, qtbot):
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"""Test file handling when closing with an unreadable file."""
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editor.edit("")
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filename = editor._filename
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assert os.path.exists(filename)
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os.chmod(filename, 0o277)
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if os.access(filename, os.R_OK):
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# Docker container or similar
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pytest.skip("File was still readable")
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with caplog.at_level(logging.ERROR):
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editor._proc.finished.emit(0, QProcess.NormalExit)
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assert not os.path.exists(filename)
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msg = message_mock.getmsg(usertypes.MessageLevel.error)
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assert msg.text.startswith("Failed to read back edited file: ")
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def test_unwritable(self, monkeypatch, message_mock, editor, tmpdir,
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caplog):
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"""Test file handling when the initial file is not writable."""
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tmpdir.chmod(0)
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if os.access(str(tmpdir), os.W_OK):
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# Docker container or similar
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pytest.skip("File was still writable")
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monkeypatch.setattr(editormod.tempfile, 'tempdir', str(tmpdir))
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with caplog.at_level(logging.ERROR):
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editor.edit("")
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msg = message_mock.getmsg(usertypes.MessageLevel.error)
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assert msg.text.startswith("Failed to create initial file: ")
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assert editor._proc is None
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def test_double_edit(self, editor):
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editor.edit("")
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with pytest.raises(ValueError):
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editor.edit("")
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@pytest.mark.parametrize('initial_text, edited_text', [
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('', 'Hello'),
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('Hello', 'World'),
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('Hällö Wörld', 'Überprüfung'),
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('\u2603', '\u2601') # Unicode snowman -> cloud
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])
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def test_modify(qtbot, editor, initial_text, edited_text):
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"""Test if inputs get modified correctly."""
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editor.edit(initial_text)
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with open(editor._filename, 'r', encoding='utf-8') as f:
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assert f.read() == initial_text
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with open(editor._filename, 'w', encoding='utf-8') as f:
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f.write(edited_text)
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with qtbot.wait_signal(editor.file_updated) as blocker:
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editor._proc.finished.emit(0, QProcess.NormalExit)
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assert blocker.args == [edited_text]
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def test_modify_watch(qtbot):
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"""Test that saving triggers file_updated when watch=True."""
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editor = editormod.ExternalEditor(watch=True)
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editor.edit('foo')
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with qtbot.wait_signal(editor.file_updated) as blocker:
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with open(editor._filename, 'w', encoding='utf-8') as f:
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f.write('bar')
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assert blocker.args == ['bar']
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with qtbot.wait_signal(editor.file_updated) as blocker:
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with open(editor._filename, 'w', encoding='utf-8') as f:
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f.write('baz')
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assert blocker.args == ['baz']
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with qtbot.assert_not_emitted(editor.file_updated):
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editor._proc.finished.emit(0, QProcess.NormalExit)
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@pytest.mark.parametrize('text, caret_position, result', [
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('', 0, (1, 1)),
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('a', 0, (1, 1)),
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('a\nb', 1, (1, 2)),
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('a\nb', 2, (2, 1)),
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('a\nb', 3, (2, 2)),
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('a\nbb\nccc', 4, (2, 3)),
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('a\nbb\nccc', 5, (3, 1)),
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('a\nbb\nccc', 8, (3, 4)),
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('', None, (1, 1)),
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])
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def test_calculation(editor, text, caret_position, result):
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"""Test calculation for line and column given text and caret_position."""
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assert editor._calc_line_and_column(text, caret_position) == result
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