/usr/lib/python3.7/test/test_webbrowser.py is in libpython3.7-testsuite 3.7.0~b3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import unittest
import subprocess
from unittest import mock
from test import support
URL = 'http://www.example.com'
CMD_NAME = 'test'
class PopenMock(mock.MagicMock):
def poll(self):
return 0
def wait(self, seconds=None):
return 0
class CommandTestMixin:
def _test(self, meth, *, args=[URL], kw={}, options, arguments):
"""Given a web browser instance method name along with arguments and
keywords for same (which defaults to the single argument URL), creates
a browser instance from the class pointed to by self.browser, calls the
indicated instance method with the indicated arguments, and compares
the resulting options and arguments passed to Popen by the browser
instance against the 'options' and 'args' lists. Options are compared
in a position independent fashion, and the arguments are compared in
sequence order to whatever is left over after removing the options.
"""
popen = PopenMock()
support.patch(self, subprocess, 'Popen', popen)
browser = self.browser_class(name=CMD_NAME)
getattr(browser, meth)(*args, **kw)
popen_args = subprocess.Popen.call_args[0][0]
self.assertEqual(popen_args[0], CMD_NAME)
popen_args.pop(0)
for option in options:
self.assertIn(option, popen_args)
popen_args.pop(popen_args.index(option))
self.assertEqual(popen_args, arguments)
class GenericBrowserCommandTest(CommandTestMixin, unittest.TestCase):
browser_class = webbrowser.GenericBrowser
def test_open(self):
self._test('open',
options=[],
arguments=[URL])
class BackgroundBrowserCommandTest(CommandTestMixin, unittest.TestCase):
browser_class = webbrowser.BackgroundBrowser
def test_open(self):
self._test('open',
options=[],
arguments=[URL])
class ChromeCommandTest(CommandTestMixin, unittest.TestCase):
browser_class = webbrowser.Chrome
def test_open(self):
self._test('open',
options=[],
arguments=[URL])
def test_open_with_autoraise_false(self):
self._test('open', kw=dict(autoraise=False),
options=[],
arguments=[URL])
def test_open_new(self):
self._test('open_new',
options=['--new-window'],
arguments=[URL])
def test_open_new_tab(self):
self._test('open_new_tab',
options=[],
arguments=[URL])
class MozillaCommandTest(CommandTestMixin, unittest.TestCase):
browser_class = webbrowser.Mozilla
def test_open(self):
self._test('open',
options=[],
arguments=[URL])
def test_open_with_autoraise_false(self):
self._test('open', kw=dict(autoraise=False),
options=[],
arguments=[URL])
def test_open_new(self):
self._test('open_new',
options=[],
arguments=['-new-window', URL])
def test_open_new_tab(self):
self._test('open_new_tab',
options=[],
arguments=['-new-tab', URL])
class NetscapeCommandTest(CommandTestMixin, unittest.TestCase):
browser_class = webbrowser.Netscape
def test_open(self):
self._test('open',
options=['-raise', '-remote'],
arguments=['openURL({})'.format(URL)])
def test_open_with_autoraise_false(self):
self._test('open', kw=dict(autoraise=False),
options=['-noraise', '-remote'],
arguments=['openURL({})'.format(URL)])
def test_open_new(self):
self._test('open_new',
options=['-raise', '-remote'],
arguments=['openURL({},new-window)'.format(URL)])
def test_open_new_tab(self):
self._test('open_new_tab',
options=['-raise', '-remote'],
arguments=['openURL({},new-tab)'.format(URL)])
class GaleonCommandTest(CommandTestMixin, unittest.TestCase):
browser_class = webbrowser.Galeon
def test_open(self):
self._test('open',
options=['-n'],
arguments=[URL])
def test_open_with_autoraise_false(self):
self._test('open', kw=dict(autoraise=False),
options=['-noraise', '-n'],
arguments=[URL])
def test_open_new(self):
self._test('open_new',
options=['-w'],
arguments=[URL])
def test_open_new_tab(self):
self._test('open_new_tab',
options=['-w'],
arguments=[URL])
class OperaCommandTest(CommandTestMixin, unittest.TestCase):
browser_class = webbrowser.Opera
def test_open(self):
self._test('open',
options=['-remote'],
arguments=['openURL({})'.format(URL)])
def test_open_with_autoraise_false(self):
self._test('open', kw=dict(autoraise=False),
options=['-remote', '-noraise'],
arguments=['openURL({})'.format(URL)])
def test_open_new(self):
self._test('open_new',
options=['-remote'],
arguments=['openURL({},new-window)'.format(URL)])
def test_open_new_tab(self):
self._test('open_new_tab',
options=['-remote'],
arguments=['openURL({},new-page)'.format(URL)])
class ELinksCommandTest(CommandTestMixin, unittest.TestCase):
browser_class = webbrowser.Elinks
def test_open(self):
self._test('open', options=['-remote'],
arguments=['openURL({})'.format(URL)])
def test_open_with_autoraise_false(self):
self._test('open',
options=['-remote'],
arguments=['openURL({})'.format(URL)])
def test_open_new(self):
self._test('open_new',
options=['-remote'],
arguments=['openURL({},new-window)'.format(URL)])
def test_open_new_tab(self):
self._test('open_new_tab',
options=['-remote'],
arguments=['openURL({},new-tab)'.format(URL)])
class BrowserRegistrationTest(unittest.TestCase):
def setUp(self):
# Ensure we don't alter the real registered browser details
self._saved_tryorder = webbrowser._tryorder
webbrowser._tryorder = []
self._saved_browsers = webbrowser._browsers
webbrowser._browsers = {}
def tearDown(self):
webbrowser._tryorder = self._saved_tryorder
webbrowser._browsers = self._saved_browsers
def _check_registration(self, preferred):
class ExampleBrowser:
pass
expected_tryorder = []
expected_browsers = {}
self.assertEqual(webbrowser._tryorder, expected_tryorder)
self.assertEqual(webbrowser._browsers, expected_browsers)
webbrowser.register('Example1', ExampleBrowser)
expected_tryorder = ['Example1']
expected_browsers['example1'] = [ExampleBrowser, None]
self.assertEqual(webbrowser._tryorder, expected_tryorder)
self.assertEqual(webbrowser._browsers, expected_browsers)
instance = ExampleBrowser()
if preferred is not None:
webbrowser.register('example2', ExampleBrowser, instance,
preferred=preferred)
else:
webbrowser.register('example2', ExampleBrowser, instance)
if preferred:
expected_tryorder = ['example2', 'Example1']
else:
expected_tryorder = ['Example1', 'example2']
expected_browsers['example2'] = [ExampleBrowser, instance]
self.assertEqual(webbrowser._tryorder, expected_tryorder)
self.assertEqual(webbrowser._browsers, expected_browsers)
def test_register(self):
self._check_registration(preferred=False)
def test_register_default(self):
self._check_registration(preferred=None)
def test_register_preferred(self):
self._check_registration(preferred=True)
class ImportTest(unittest.TestCase):
def test_register(self):
webbrowser = support.import_fresh_module('webbrowser')
self.assertIsNone(webbrowser._tryorder)
self.assertFalse(webbrowser._browsers)
class ExampleBrowser:
pass
webbrowser.register('Example1', ExampleBrowser)
self.assertTrue(webbrowser._tryorder)
self.assertEqual(webbrowser._tryorder[-1], 'Example1')
self.assertTrue(webbrowser._browsers)
self.assertIn('example1', webbrowser._browsers)
self.assertEqual(webbrowser._browsers['example1'], [ExampleBrowser, None])
def test_get(self):
webbrowser = support.import_fresh_module('webbrowser')
self.assertIsNone(webbrowser._tryorder)
self.assertFalse(webbrowser._browsers)
with self.assertRaises(webbrowser.Error):
webbrowser.get('fakebrowser')
self.assertIsNotNone(webbrowser._tryorder)
if __name__=='__main__':
unittest.main()
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