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# Copyright 2017-2021 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# qutebrowser is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with qutebrowser. If not, see <https://www.gnu.org/licenses/>.
"""Test Backforward widget."""
import pytest
from qutebrowser.mainwindow.statusbar import backforward
@pytest.fixture
def backforward_widget(qtbot):
widget = backforward.Backforward()
qtbot.add_widget(widget)
return widget
@pytest.fixture
def tabs(tabbed_browser_stubs):
tabbed_browser = tabbed_browser_stubs[0]
tabbed_browser.widget.current_index = 1
return tabbed_browser
@pytest.mark.parametrize('can_go_back, can_go_forward, expected_text', [
(False, False, ''),
(True, False, '[<]'),
(False, True, '[>]'),
(True, True, '[<>]'),
])
def test_widget_state(backforward_widget, tabs,
fake_web_tab, can_go_back, can_go_forward,
expected_text):
"""Ensure the Backforward widget shows the correct text."""
tab = fake_web_tab(can_go_back=can_go_back, can_go_forward=can_go_forward)
tabs.widget.tabs = [tab]
backforward_widget.enabled = True
backforward_widget.on_tab_cur_url_changed(tabs)
assert backforward_widget.text() == expected_text
assert backforward_widget.isVisible() == bool(expected_text)
def test_state_changes_on_tab_change(backforward_widget, tabs, fake_web_tab):
"""Test we go invisible when switching to a tab without history."""
tab_with_history = fake_web_tab(can_go_back=True, can_go_forward=True)
tab_without_history = fake_web_tab(can_go_back=False, can_go_forward=False)
tabs.widget.tabs = [tab_with_history]
backforward_widget.enabled = True
backforward_widget.on_tab_cur_url_changed(tabs)
assert backforward_widget.isVisible()
tabs.widget.tabs = [tab_without_history]
backforward_widget.on_tab_cur_url_changed(tabs)
assert backforward_widget.text() == ''
assert not backforward_widget.isVisible()
def test_none_tab(backforward_widget, tabs, fake_web_tab):
"""Make sure nothing crashes when passing None as tab."""
tab = fake_web_tab(can_go_back=True, can_go_forward=True)
tabs.widget.tabs = [tab]
backforward_widget.enabled = True
backforward_widget.on_tab_cur_url_changed(tabs)
assert backforward_widget.text() == '[<>]'
assert backforward_widget.isVisible()
tabs.widget.current_index = -1
backforward_widget.on_tab_cur_url_changed(tabs)
assert backforward_widget.text() == ''
assert not backforward_widget.isVisible()
def test_not_shown_when_disabled(backforward_widget, tabs, fake_web_tab):
"""The widget shouldn't get shown on an event when it's disabled."""
tab = fake_web_tab(can_go_back=True, can_go_forward=True)
tabs.widget.tabs = [tab]
backforward_widget.enabled = False
backforward_widget.on_tab_cur_url_changed(tabs)
assert not backforward_widget.isVisible()
backforward_widget.on_tab_changed(tab)
assert not backforward_widget.isVisible()
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