7d36847f77
This is another case (like test_qt_javascript) that needs redirection of XDG_DATA_HOME to prevent Qt from creating ~/.share/local/qute_test.
81 lines
3.1 KiB
Python
81 lines
3.1 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2016 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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"""Check how Qt behaves when trying to execute JS."""
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import pytest
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from PyQt5.QtCore import QObject, pyqtSignal
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from PyQt5.QtWebKit import QWebSettings
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class WebEngineJSChecker(QObject):
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"""Check if a JS value provided by a callback is the expected one."""
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got_result = pyqtSignal(object)
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def __init__(self, qtbot, parent=None):
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super().__init__(parent)
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self._qtbot = qtbot
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def callback(self, result):
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"""Callback which can be passed to runJavaScript."""
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self.got_result.emit(result)
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def check(self, expected):
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"""Wait until the JS result arrived and compare it."""
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with self._qtbot.waitSignal(self.got_result) as blocker:
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pass
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assert blocker.args == [expected]
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@pytest.mark.parametrize('js_enabled, expected', [(True, 2.0), (False, None)])
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def test_simple_js_webkit(webview, js_enabled, expected):
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"""With QtWebKit, evaluateJavaScript works when JS is on."""
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webview.settings().setAttribute(QWebSettings.JavascriptEnabled, js_enabled)
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result = webview.page().mainFrame().evaluateJavaScript('1 + 1')
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assert result == expected
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@pytest.mark.parametrize('js_enabled, expected', [(True, 2.0), (False, 2.0)])
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def test_element_js_webkit(webview, js_enabled, expected):
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"""With QtWebKit, evaluateJavaScript on an element works with JS off."""
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webview.settings().setAttribute(QWebSettings.JavascriptEnabled, js_enabled)
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elem = webview.page().mainFrame().documentElement()
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result = elem.evaluateJavaScript('1 + 1')
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assert result == expected
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@pytest.mark.usefixtures('redirect_xdg_data')
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@pytest.mark.parametrize('js_enabled, expected', [(True, 2.0), (False, 2.0)])
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def test_simple_js_webengine(qtbot, webengineview, js_enabled, expected):
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"""With QtWebEngine, runJavaScript works even when JS is off."""
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# pylint: disable=no-name-in-module,useless-suppression
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# If we get there (because of the webengineview fixture) we can be certain
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# QtWebEngine is available
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from PyQt5.QtWebEngineWidgets import QWebEngineSettings
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webengineview.settings().setAttribute(QWebEngineSettings.JavascriptEnabled,
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js_enabled)
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checker = WebEngineJSChecker(qtbot)
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webengineview.page().runJavaScript('1 + 1', checker.callback)
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checker.check(expected)
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