qutebrowser/tests/unit/browser/webengine/test_webenginetab.py

394 lines
13 KiB
Python

# SPDX-FileCopyrightText: Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# SPDX-License-Identifier: GPL-3.0-or-later
"""Test webenginetab."""
import logging
import textwrap
import pytest
QtWebEngineCore = pytest.importorskip("qutebrowser.qt.webenginecore")
QWebEnginePage = QtWebEngineCore.QWebEnginePage
QWebEngineScriptCollection = QtWebEngineCore.QWebEngineScriptCollection
QWebEngineScript = QtWebEngineCore.QWebEngineScript
from qutebrowser.browser import greasemonkey
from qutebrowser.utils import usertypes, utils, version
webenginetab = pytest.importorskip(
"qutebrowser.browser.webengine.webenginetab")
pytestmark = pytest.mark.usefixtures('greasemonkey_manager')
versions = version.qtwebengine_versions(avoid_init=True)
class ScriptsHelper:
"""Helper to get the processed (usually Greasemonkey) scripts."""
def __init__(self, tab):
self._tab = tab
def get_scripts(self, prefix='GM-'):
return [
s for s in self._tab._widget.page().scripts().toList()
if s.name().startswith(prefix)
]
def get_script(self):
scripts = self.get_scripts()
assert len(scripts) == 1
return scripts[0]
def inject(self, scripts):
self._tab._scripts._inject_greasemonkey_scripts(scripts)
return self.get_scripts()
class TestWebengineScripts:
"""Test the _WebEngineScripts utility class."""
@pytest.fixture
def scripts_helper(self, webengine_tab):
return ScriptsHelper(webengine_tab)
def test_greasemonkey_undefined_world(self, scripts_helper, caplog):
"""Make sure scripts with non-existent worlds are rejected."""
scripts = [
greasemonkey.GreasemonkeyScript(
[('qute-js-world', 'Mars'), ('name', 'test')], None)
]
with caplog.at_level(logging.ERROR, 'greasemonkey'):
injected = scripts_helper.inject(scripts)
assert len(caplog.records) == 1
msg = caplog.messages[0]
assert "has invalid value for '@qute-js-world': Mars" in msg
assert not injected
@pytest.mark.parametrize("worldid", [-1, 257])
def test_greasemonkey_out_of_range_world(self, worldid, scripts_helper, caplog):
"""Make sure scripts with out-of-range worlds are rejected."""
scripts = [
greasemonkey.GreasemonkeyScript(
[('qute-js-world', worldid), ('name', 'test')], None)
]
with caplog.at_level(logging.ERROR, 'greasemonkey'):
injected = scripts_helper.inject(scripts)
assert len(caplog.records) == 1
msg = caplog.messages[0]
assert "has invalid value for '@qute-js-world': " in msg
assert "should be between 0 and" in msg
assert not injected
@pytest.mark.parametrize("worldid", [0, 10])
def test_greasemonkey_good_worlds_are_passed(self, worldid,
scripts_helper, caplog):
"""Make sure scripts with valid worlds have it set."""
scripts = [
greasemonkey.GreasemonkeyScript(
[('name', 'foo'), ('qute-js-world', worldid)], None
)
]
with caplog.at_level(logging.ERROR, 'greasemonkey'):
scripts_helper.inject(scripts)
assert scripts_helper.get_script().worldId() == worldid
def test_greasemonkey_document_end_workaround(self, monkeypatch, scripts_helper):
"""Make sure document-end is forced when needed."""
monkeypatch.setattr(greasemonkey.objects, 'backend',
usertypes.Backend.QtWebEngine)
scripts = [
greasemonkey.GreasemonkeyScript([
('name', 'Iridium'),
('namespace', 'https://github.com/ParticleCore'),
('run-at', 'document-start'),
], None)
]
scripts_helper.inject(scripts)
script = scripts_helper.get_script()
assert script.injectionPoint() == QWebEngineScript.InjectionPoint.DocumentReady
@pytest.mark.parametrize('run_at, expected', [
# UserScript::DocumentElementCreation
('document-start', QWebEngineScript.InjectionPoint.DocumentCreation),
# UserScript::DocumentLoadFinished
('document-end', QWebEngineScript.InjectionPoint.DocumentReady),
# UserScript::AfterLoad
('document-idle', QWebEngineScript.InjectionPoint.Deferred),
# default according to https://wiki.greasespot.net/Metadata_Block#.40run-at
(None, QWebEngineScript.InjectionPoint.DocumentReady),
])
def test_greasemonkey_run_at_values(self, scripts_helper, run_at, expected):
if run_at is None:
script = """
// ==UserScript==
// @name qutebrowser test userscript
// ==/UserScript==
"""
else:
script = f"""
// ==UserScript==
// @name qutebrowser test userscript
// @run-at {run_at}
// ==/UserScript==
"""
script = textwrap.dedent(script.lstrip('\n'))
scripts = [greasemonkey.GreasemonkeyScript.parse(script)]
scripts_helper.inject(scripts)
assert scripts_helper.get_script().injectionPoint() == expected
@pytest.mark.parametrize('header1, header2, expected_names', [
(
["// @namespace ns1", "// @name same"],
["// @namespace ns2", "// @name same"],
['GM-ns1/same', 'GM-ns2/same'],
),
(
["// @name same"],
["// @name same"],
['GM-same', 'GM-same-2'],
),
(
["// @name same"],
["// @name sam"],
['GM-same', 'GM-sam'],
),
])
def test_greasemonkey_duplicate_name(self, scripts_helper,
header1, header2, expected_names):
template = """
// ==UserScript==
{header}
// ==/UserScript==
"""
template = textwrap.dedent(template.lstrip('\n'))
source1 = template.format(header="\n".join(header1))
script1 = greasemonkey.GreasemonkeyScript.parse(source1)
source2 = template.format(header="\n".join(header2))
script2 = greasemonkey.GreasemonkeyScript.parse(source2)
scripts_helper.inject([script1, script2])
names = [script.name() for script in scripts_helper.get_scripts()]
assert names == expected_names
source3 = textwrap.dedent(template.lstrip('\n')).format(header="// @name other")
script3 = greasemonkey.GreasemonkeyScript.parse(source3)
scripts_helper.inject([script3])
class TestFindFlags:
@pytest.mark.parametrize("case_sensitive, backward, expected", [
(True, True, (QWebEnginePage.FindFlag.FindCaseSensitively |
QWebEnginePage.FindFlag.FindBackward)),
(True, False, QWebEnginePage.FindFlag.FindCaseSensitively),
(False, True, QWebEnginePage.FindFlag.FindBackward),
(False, False, QWebEnginePage.FindFlag(0)),
])
def test_to_qt(self, case_sensitive, backward, expected):
flags = webenginetab._FindFlags(
case_sensitive=case_sensitive,
backward=backward,
)
assert flags.to_qt() == expected
@pytest.mark.parametrize("case_sensitive, backward, expected", [
(True, True, True),
(True, False, True),
(False, True, True),
(False, False, False),
])
def test_bool(self, case_sensitive, backward, expected):
flags = webenginetab._FindFlags(
case_sensitive=case_sensitive,
backward=backward,
)
assert bool(flags) == expected
@pytest.mark.parametrize("case_sensitive, backward, expected", [
(True, True, "FindCaseSensitively|FindBackward"),
(True, False, "FindCaseSensitively"),
(False, True, "FindBackward"),
(False, False, "<no find flags>"),
])
def test_str(self, case_sensitive, backward, expected):
flags = webenginetab._FindFlags(
case_sensitive=case_sensitive,
backward=backward,
)
assert str(flags) == expected
class TestWebEnginePermissions:
def test_clipboard_value(self):
# Ensure the ClipboardReadWrite permission is in the permission map,
# despite us specifying it by number.
permissions_cls = webenginetab._WebEnginePermissions
try:
clipboard = QWebEnginePage.Feature.ClipboardReadWrite
except AttributeError:
pytest.skip("enum member not available")
assert clipboard in permissions_cls._options
assert clipboard in permissions_cls._messages
class TestPageLifecycle:
@pytest.fixture(autouse=True)
def check_version(self):
# While the lifecycle feature was introduced in 5.14, PyQt seems to
# have trouble connecting to the signal we require on 6.4 and prior.
# https://github.com/qutebrowser/qutebrowser/pull/8547#issuecomment-2890997662
if versions.webengine < utils.VersionNumber(6, 5):
pytest.skip("Lifecycle feature requires Webengine 6.5+")
@pytest.fixture
def set_state_spy(
self,
webengine_tab: webenginetab.WebEngineTab,
monkeypatch,
mocker,
):
set_state_spy = mocker.Mock()
monkeypatch.setattr(
webengine_tab._widget.page(),
"setLifecycleState",
set_state_spy,
)
return set_state_spy
@pytest.fixture(autouse=True)
def set_config_defaults(
self,
config_stub,
set_state_spy,
):
self.set_config(config_stub)
def set_config(
self,
config_stub,
freeze_delay=0,
discard_delay=0,
enabled=True,
):
config_stub.val.qt.chromium.lifecycle_state_freeze_delay = freeze_delay
config_stub.val.qt.chromium.lifecycle_state_discard_delay = discard_delay
config_stub.val.qt.chromium.use_recommended_page_lifecycle_state = enabled
def test_qt_method_is_called(
self,
webengine_tab: webenginetab.WebEngineTab,
set_state_spy,
qtbot,
):
"""Basic test to show that we call QT after going through our code."""
webengine_tab._on_recommended_state_changed(QWebEnginePage.LifecycleState.Discarded)
with qtbot.wait_signal(webengine_tab._lifecycle_timer.timeout):
pass
set_state_spy.assert_called_once_with(QWebEnginePage.LifecycleState.Discarded)
@pytest.mark.parametrize(
"new_state, freeze_delay, discard_delay",
[
(QWebEnginePage.LifecycleState.Discarded, 2000, 10,),
(QWebEnginePage.LifecycleState.Frozen, 10, 2000,),
]
)
def test_per_state_delay(
self,
webengine_tab: webenginetab.WebEngineTab,
monkeypatch,
mocker,
set_state_spy,
config_stub,
qtbot,
new_state,
freeze_delay,
discard_delay,
):
"""Show that a different time delay can get set for each state."""
self.set_config(
config_stub,
freeze_delay=freeze_delay,
discard_delay=discard_delay,
)
webengine_tab._on_recommended_state_changed(new_state)
timer = webengine_tab._lifecycle_timer
assert timer.remainingTime() == (
freeze_delay
if new_state == QWebEnginePage.LifecycleState.Frozen
else discard_delay
)
with qtbot.wait_signal(timer.timeout, timeout=100):
pass
set_state_spy.assert_called_once_with(new_state)
def test_state_disabled(
self,
webengine_tab: webenginetab.WebEngineTab,
monkeypatch,
config_stub,
):
"""For negative delay values, the timer shouldn't be scheduled."""
self.set_config(
config_stub,
discard_delay=-1,
)
webengine_tab._on_recommended_state_changed(QWebEnginePage.LifecycleState.Discarded)
assert not webengine_tab._lifecycle_timer.isActive()
def test_pinned_tabs_untouched(
self,
webengine_tab: webenginetab.WebEngineTab,
monkeypatch,
config_stub,
):
"""Don't change lifecycle state for a pinned tab."""
webengine_tab.set_pinned(True)
webengine_tab._on_recommended_state_changed(QWebEnginePage.LifecycleState.Frozen)
assert not webengine_tab._lifecycle_timer.isActive()
def test_timer_interrupted(
self,
webengine_tab: webenginetab.WebEngineTab,
set_state_spy,
config_stub,
qtbot,
):
"""Pending time should be cancelled when a new signal comes in."""
self.set_config(
config_stub,
freeze_delay=1,
discard_delay=3,
)
timer = webengine_tab._lifecycle_timer
webengine_tab._on_recommended_state_changed(QWebEnginePage.LifecycleState.Frozen)
assert timer.remainingTime() == 1
webengine_tab._on_recommended_state_changed(QWebEnginePage.LifecycleState.Discarded)
assert timer.remainingTime() == 3
with qtbot.wait_signal(webengine_tab._lifecycle_timer.timeout):
pass
set_state_spy.assert_called_once_with(QWebEnginePage.LifecycleState.Discarded)