Revision c699b640
Added by koszko over 1 year ago
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License: CC0 |
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Files: test/profiles.py test/script_loader.py test/unit/conftest.py |
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test/extension_crafting.py |
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Copyright: 2021 Wojtek Kosior <koszko@koszko.org> |
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License: GPL-3+ |
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Comment: Wojtek Kosior promises not to sue even in case of violations |
test/extension_crafting.py | ||
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# SPDX-License-Identifier: GPL-3.0-or-later |
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""" |
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Making temporary WebExtensions for use in the test suite |
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""" |
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# This file is part of Haketilo. |
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# |
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# Copyright (C) 2021 Wojtek Kosior <koszko@koszko.org> |
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# |
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# This program 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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# This program 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 this program. If not, see <https://www.gnu.org/licenses/>. |
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# |
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# I, Wojtek Kosior, thereby promise not to sue for violation of this file's |
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# license. Although I request that you do not make use this code in a |
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# proprietary program, I am not going to enforce this in court. |
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import json |
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import zipfile |
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from pathlib import Path |
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from uuid import uuid4 |
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from .misc_constants import * |
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class ManifestTemplateValueToFill: |
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pass |
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def manifest_template(): |
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return { |
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'manifest_version': 2, |
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'name': 'Haketilo test extension', |
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'version': '1.0', |
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'applications': { |
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'gecko': { |
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'id': ManifestTemplateValueToFill(), |
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'strict_min_version': '60.0' |
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} |
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}, |
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'permissions': [ |
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'contextMenus', |
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'webRequest', |
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'webRequestBlocking', |
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'activeTab', |
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'notifications', |
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'sessions', |
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'storage', |
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'tabs', |
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'<all_urls>', |
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'unlimitedStorage' |
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], |
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'web_accessible_resources': ['testpage.html'], |
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'background': { |
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'persistent': True, |
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'scripts': ['__open_test_page.js', 'background.js'] |
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}, |
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'content_scripts': [ |
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{ |
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'run_at': 'document_start', |
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'matches': ['<all_urls>'], |
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'match_about_blank': True, |
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'all_frames': True, |
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'js': ['content.js'] |
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} |
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] |
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} |
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default_background_script = '' |
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default_content_script = '' |
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default_test_page = ''' |
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<!DOCTYPE html> |
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<html> |
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<head> |
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<title>Extension's options page for testing</title> |
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</head> |
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<body> |
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<h1>Extension's options page for testing</h1> |
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</body> |
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</html> |
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''' |
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open_test_page_script = '''(() => { |
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const page_url = browser.runtime.getURL("testpage.html"); |
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const execute_details = { |
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code: `window.location.href=${JSON.stringify(page_url)};` |
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}; |
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browser.tabs.query({currentWindow: true, active: true}) |
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.then(t => browser.tabs.executeScript(t.id, execute_details)); |
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})();''' |
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def make_extension(destination_dir, |
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background_script=default_background_script, |
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content_script=default_content_script, |
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test_page=default_test_page, |
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extra_files={}): |
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manifest = manifest_template() |
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extension_id = '{%s}' % uuid4() |
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manifest['applications']['gecko']['id'] = extension_id |
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files = { |
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'manifest.json' : json.dumps(manifest), |
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'__open_test_page.js': open_test_page_script, |
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'background.js' : background_script, |
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'content.js' : content_script, |
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'testpage.html' : test_page, |
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**extra_files |
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} |
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destination_path = destination_dir / f'{extension_id}.xpi' |
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with zipfile.ZipFile(destination_path, 'x') as xpi: |
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for filename, contents in files.items(): |
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xpi.writestr(filename, contents) |
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return destination_path |
test/misc_constants.py | ||
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default_cert_dir = here / 'certs' |
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default_extension_uuid = 'a1291446-be95-48ad-a4c6-a475e389399b' |
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default_haketilo_id = '{6fe13369-88e9-440f-b837-5012fb3bedec}' |
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mime_types = { |
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"7z": "application/x-7z-compressed", "oga": "audio/ogg", |
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"abw": "application/x-abiword", "ogv": "video/ogg", |
test/profiles.py | ||
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from selenium import webdriver |
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from selenium.webdriver.firefox.options import Options |
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import time |
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import json |
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from shutil import rmtree |
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from .misc_constants import * |
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""" |
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This wrapper class around selenium.webdriver.Firefox adds a `loaded_scripts` |
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instance property that gets resetted to an empty array every time the |
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`get()` method is called. |
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`get()` method is called and also facilitates removing the temporary |
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profile directory after Firefox quits. |
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""" |
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def __init__(self, *args, **kwargs): |
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super().__init__(*args, **kwargs) |
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self.reset_loaded_scripts() |
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super().get(*args, **kwargs) |
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def quit(self, *args, **kwargs): |
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profile_path = self.firefox_profile.path |
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super().quit(*args, **kwargs) |
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rmtree(profile_path, ignore_errors=True) |
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def set_profile_proxy(profile, proxy_host, proxy_port): |
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""" |
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Create a Firefox profile that uses the specified HTTP proxy for all |
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def set_profile_console_logging(profile): |
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profile.set_preference('devtools.console.stdout.content', True) |
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# The function below seems not to work for extensions that are |
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# temporarily-installed in Firefox safe mode. Testing is needed to see if it |
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# works with non-temporary extensions (without safe mode). |
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def set_webextension_uuid(profile, extension_id, uuid=default_extension_uuid): |
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""" |
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Firefox would normally assign a unique, random UUID to installed extension. |
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This UUID is needed to easily navigate to extension's settings page (and |
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other extension's pages). Since there's no way to learn such UUID with |
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current WebDriver implementation, this function works around this by telling |
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Firefox to use a predefined UUID for a certain extension. |
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""" |
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profile.set_preference('extensions.webextensions.uuids', |
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json.dumps({extension_id: uuid})) |
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def firefox_safe_mode(firefox_binary=default_firefox_binary, |
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proxy_host=default_proxy_host, |
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proxy_port=default_proxy_port): |
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profile = webdriver.FirefoxProfile(profile_dir) |
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set_profile_proxy(profile, proxy_host, proxy_port) |
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set_profile_console_logging(profile) |
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set_webextension_uuid(profile, default_haketilo_id) |
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return HaketiloFirefox(firefox_profile=profile, |
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firefox_binary=firefox_binary) |
test/unit/conftest.py | ||
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# proprietary program, I am not going to enforce this in court. |
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import pytest |
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from pathlib import Path |
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from selenium.webdriver.support.ui import WebDriverWait |
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from selenium.webdriver.support import expected_conditions as EC |
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from ..profiles import firefox_safe_mode |
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from ..server import do_an_internet |
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from ..script_loader import load_script |
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from ..profiles import firefox_safe_mode |
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from ..server import do_an_internet |
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from ..script_loader import load_script |
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from ..extension_crafting import make_extension |
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@pytest.fixture(scope="package") |
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def proxy(): |
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yield driver |
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driver.quit() |
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@pytest.fixture() |
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def webextension(driver, request): |
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ext_data = request.node.get_closest_marker('ext_data') |
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if ext_data is None: |
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raise Exception('"webextension" fixture requires "ext_data" marker to be set') |
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ext_path = make_extension(Path(driver.firefox_profile.path), |
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**ext_data.args[0]) |
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driver.get('https://gotmyowndoma.in/') |
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addon_id = driver.install_addon(str(ext_path), temporary=True) |
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WebDriverWait(driver, 10).until( |
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EC.title_contains("Extension's options page for testing") |
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) |
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yield |
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driver.uninstall_addon(addon_id) |
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ext_path.unlink() |
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script_injecting_script = '''\ |
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/* |
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* Selenium by default executes scripts in some weird one-time context. We want |
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document.body.append(script_elem); |
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/* |
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* To ease debugging, we want this script to forward signal all exceptions from
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* the injectee.
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* To ease debugging, we want this script to signal all exceptions from the
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* injectee. |
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*/ |
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try { |
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if (window.haketilo_selenium_exception !== false) |
test/unit/test_basic.py | ||
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""" |
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for proto in ['http://', 'https://']: |
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driver.get(proto + 'gotmyowndoma.in') |
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element = driver.find_element_by_tag_name('title') |
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title = driver.execute_script('return arguments[0].innerText;', element) |
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title = driver.execute_script( |
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'return document.getElementsByTagName("title")[0].innerText;' |
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) |
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assert "Schrodinger's Document" in title |
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def test_script_loader(execute_in_page, load_into_page): |
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page='https://gotmyowndoma.in') |
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assert execute_in_page('returnval(TYPE_PREFIX.VAR);') == '_' |
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@pytest.mark.ext_data({}) |
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def test_webextension(driver, webextension): |
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""" |
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A trivial test case that verifies a test WebExtension created and installed |
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by the `webextension` fixture works and redirects specially-constructed URLs |
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to its test page. |
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""" |
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heading = driver.execute_script( |
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'return document.getElementsByTagName("h1")[0].innerText;' |
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) |
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assert "Extension's options page for testing" in heading |
Also available in: Unified diff
facilitate creating and installing WebExtensions during tests
It is now possible to more conveniently test WebExtension APIs code by wrapping it into a test WebExtension and temporarily installing in the driven browser.