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FreedomBox/plinth/tests/functional/__init__.py
Veiko Aasa 485107604f
tests: functional: Fix setting first ethernet connection as internal 
Tested that all samba tests pass in testing container. Also checked that
connection type texts are not translated, thus safe to use in xpath search.

Fixes #2333.

Signed-off-by: Veiko Aasa <veiko17@disroot.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2023-03-26 11:26:28 -04:00

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# SPDX-License-Identifier: AGPL-3.0-or-later
"""
Utilities for functional testing.
"""
import configparser
import logging
import os
import pathlib
import subprocess
import tempfile
import time
import warnings
from contextlib import contextmanager
import pytest
import requests
from selenium.common.exceptions import (StaleElementReferenceException,
WebDriverException)
from selenium.webdriver.support.ui import WebDriverWait
config = configparser.ConfigParser()
config.read(pathlib.Path(__file__).with_name('config.ini'))
config['DEFAULT']['url'] = os.environ.get('FREEDOMBOX_URL',
config['DEFAULT']['url']).rstrip('/')
config['DEFAULT']['ssh_port'] = os.environ.get('FREEDOMBOX_SSH_PORT',
config['DEFAULT']['ssh_port'])
config['DEFAULT']['samba_port'] = os.environ.get(
'FREEDOMBOX_SAMBA_PORT', config['DEFAULT']['samba_port'])
logger = logging.getLogger(__name__)
base_url = config['DEFAULT']['url']
_app_checkbox_id = {
'openvpn': 'id_openvpn-enabled',
}
# unlisted sites just use '/' + site_name as url
_site_url = {
'wiki': '/ikiwiki',
'jsxc': '/plinth/apps/jsxc/jsxc/',
'cockpit': '/_cockpit/',
'syncthing': '/syncthing/',
'rssbridge': '/rss-bridge/',
'ttrss': '/tt-rss/',
}
_sys_modules = [
'avahi', 'backups', 'bind', 'cockpit', 'config', 'datetime', 'diagnostics',
'dynamicdns', 'firewall', 'letsencrypt', 'names', 'networks', 'pagekite',
'performance', 'power', 'privacy', 'security', 'snapshot', 'ssh',
'storage', 'upgrades', 'users'
]
######################
# Browser Extensions #
######################
def visit(browser, path):
"""Visit a path assuming the base URL as configured."""
browser.visit(config['DEFAULT']['url'] + path)
def eventually(function, args=[], timeout=30):
"""Execute a function returning a boolean expression till it returns
True or a timeout is reached"""
end_time = time.time() + timeout
current_time = time.time()
while current_time < end_time:
try:
if function(*args):
return True
except Exception:
pass
time.sleep(0.1)
current_time = time.time()
return False
class _PageLoaded():
"""
Wait until a page (re)loaded.
- element: Wait until this element gets stale
- expected_url (optional): Wait for the URL to become <expected_url>.
This can be necessary to wait for a redirect to finish.
"""
def __init__(self, element, expected_url=None):
self.element = element
self.expected_url = expected_url
def __call__(self, driver):
is_stale = False
try:
self.element.has_class('whatever_class')
except StaleElementReferenceException:
# After a domain name change, Let's Encrypt will restart the web
# server and could cause a connection failure.
if driver.find_by_id('netErrorButtonContainer'):
try:
driver.visit(driver.url)
except WebDriverException:
pass
return False
is_fully_loaded = driver.execute_script(
'return document.readyState;') == 'complete'
if not is_fully_loaded:
is_stale = False
elif self.expected_url is None:
is_stale = True
else:
if driver.url.endswith(self.expected_url):
is_stale = True
return is_stale
@contextmanager
def wait_for_page_update(browser, timeout=300, expected_url=None):
page_body = browser.find_by_tag('body').first
try:
yield
except WebDriverException:
# ignore a connection failure which may happen after web server restart
pass
WebDriverWait(browser, timeout).until(_PageLoaded(page_body, expected_url))
def _get_site_url(site_name):
if site_name.startswith('share'):
site_name = site_name.replace('_', '/')
url = '/' + site_name
url = _site_url.get(site_name, url)
return url
def access_url(browser, site_name):
browser.visit(config['DEFAULT']['url'] + _get_site_url(site_name))
def get_password(username):
"""Get a user password."""
if username == config['DEFAULT']['username']:
return config['DEFAULT']['password']
return 'password@&123_{}'.format(username)
def is_available(browser, site_name):
"""Check if the given site_name is available."""
url_to_visit = config['DEFAULT']['url'] + _get_site_url(site_name)
browser.visit(url_to_visit)
time.sleep(3)
browser.reload()
if '404' in browser.title or 'Page not found' in browser.title:
return False
# The site might have a default path after the sitename,
# e.g /mediawiki/Main_Page
print('URL =', browser.url, url_to_visit, browser.title)
browser_url = browser.url.partition('://')[2]
url_to_visit_without_proto = url_to_visit.strip('/').partition('://')[2]
return browser_url.startswith(url_to_visit_without_proto) # not a redirect
def download_file(browser, url):
"""Return file contents after downloading a URL."""
cookies = browser.cookies.all()
response = requests.get(url, cookies=cookies, verify=False)
if response.status_code != 200:
raise Exception('URL download failed')
return response.content
def download_file_outside_browser(url):
"""Download a file to disk given a URL."""
with tempfile.NamedTemporaryFile(delete=False) as temp_file:
logging.captureWarnings(True)
request = requests.get(url, verify=False)
logging.captureWarnings(False)
temp_file.write(request.content)
return temp_file.name
###########################
# Form handling utilities #
###########################
def submit(browser, element=None, form_class=None, expected_url=None):
"""Submit a specific form in the current page and wait for page change."""
if not (element or form_class):
raise AssertionError('Either element or form_class must be sent')
with wait_for_page_update(browser, expected_url=expected_url):
if element:
element.click()
elif form_class:
browser.find_by_css(
'.{} input[type=submit]'.format(form_class)).click()
else:
browser.find_by_css('input[type=submit]').click()
def set_app_form_value(browser, app_id, element_id, value):
"""Change a value in the form and submit."""
nav_to_module(browser, app_id)
original_url = browser.url
browser.find_by_id(element_id).fill(value)
submit(browser, form_class='form-configuration')
# Check that there are no errors
assert browser.url == original_url
assert not browser.find_by_css('.alert-danger')
def change_checkbox_status(browser, app_name, checkbox_id,
change_status_to='enabled'):
"""Change checkbox status."""
checkbox = browser.find_by_id(checkbox_id)
if change_status_to == 'enabled':
checkbox.check()
else:
checkbox.uncheck()
submit(browser, form_class='form-configuration')
def wait_for_config_update(browser, app_name):
"""Wait until the configuration update progress goes away.
Perform an atomic check that page is fully loaded and that progress icon is
not present at the same time to avoid race conditions due to automatic page
reloads.
"""
script = 'return (document.readyState == "complete") && ' \
'(!Boolean(document.querySelector(".app-operation")));'
while not browser.execute_script(script):
time.sleep(0.1)
############################
# Login handling utilities #
############################
def is_login_prompt(browser):
return all(
[browser.find_by_id('id_username'),
browser.find_by_id('id_password')])
def _create_admin_account(browser, username, password):
browser.find_by_id('id_username').fill(username)
browser.find_by_id('id_password1').fill(password)
browser.find_by_id('id_password2').fill(password)
submit(browser, form_class='form-create')
def login(browser):
"""Login to the FreedomBox interface with default test account."""
login_with_account(browser, base_url, config['DEFAULT']['username'],
config['DEFAULT']['password'])
def login_with_account(browser, url, username, password=None):
"""Login to the FreedomBox interface with provided account."""
if password is None:
password = get_password(username)
# XXX: Find a way to remove the hardcoded jsxc URL
if '/plinth/' not in browser.url or '/jsxc/jsxc' in browser.url:
browser.visit(url)
user_menu = browser.find_by_id('id_user_menu')
if len(user_menu):
if user_menu.text == username:
return
visit(browser, '/plinth/accounts/logout/')
login_button = browser.links.find_by_href('/plinth/accounts/login/')
if login_button:
login_button.first.click()
if login_button:
browser.fill('username', username)
browser.fill('password', password)
submit(browser, form_class='form-login')
else:
browser.visit(base_url + '/plinth/firstboot/welcome')
submit(browser, form_class='form-start') # "Start Setup" button
_create_admin_account(browser, username, password)
if '/network-topology-first-boot' in browser.url:
submit(browser, element=browser.find_by_name('skip')[0])
if '/internet-connection-type' in browser.url:
submit(browser, element=browser.find_by_name('skip')[0])
if '/firstboot/backports' in browser.url:
submit(browser, element=browser.find_by_name('next')[0])
if '/firstboot/update' in browser.url:
browser.find_by_id('id_update_now').uncheck()
submit(browser, element=browser.find_by_name('next')[0])
def logout(browser):
"""Log out of the FreedomBox interface."""
visit(browser, '/plinth/accounts/logout/')
#################
# App utilities #
#################
def nav_to_module(browser, module):
sys_or_apps = 'sys' if module in _sys_modules else 'apps'
required_url = base_url + f'/plinth/{sys_or_apps}/{module}/'
if browser.url != required_url:
browser.visit(required_url)
def app_select_domain_name(browser, app_name, domain_name):
browser.visit('{}/plinth/apps/{}/setup/'.format(base_url, app_name))
drop_down = browser.find_by_id('id_domain_name')
drop_down.select(domain_name)
submit(browser, form_class='form-configuration')
#########################
# App install utilities #
#########################
def is_installed(browser, app_name):
nav_to_module(browser, app_name)
return not bool(browser.find_by_css('.form-install input[type=submit]'))
def install(browser, app_name):
nav_to_module(browser, app_name)
install_button_css = '.form-install input[type=submit]'
while True:
script = 'return (document.readyState == "complete") && ' \
'(!Boolean(document.querySelector(".app-operation"))) &&' \
'(!Boolean(document.querySelector(".app-just-installed")));'
if not browser.execute_script(script):
time.sleep(0.1)
elif browser.is_element_present_by_css('.neterror'):
browser.visit(browser.url)
elif browser.is_element_present_by_css('.alert-danger'):
break
elif browser.is_element_present_by_css(install_button_css):
install_button = browser.find_by_css(install_button_css).first
if install_button['disabled']:
# This app is not available in this distribution
warnings.warn(
f'App {app_name} is not available in distribution')
pytest.skip('App not available in distribution')
else:
install_button.click()
else:
break
def uninstall(browser, app_name):
"""Uninstall the app if possible."""
nav_to_module(browser, app_name)
actions_button = browser.find_by_id('id_extra_actions_button')
if not actions_button:
pytest.skip('App cannot be uninstalled')
actions_button.click()
uninstall_item = browser.find_by_css('.uninstall-item')
if not uninstall_item:
pytest.skip('App cannot be uninstalled')
uninstall_item[0].click()
submit(browser, form_class='form-uninstall')
while True:
script = 'return (document.readyState == "complete") && ' \
'(!Boolean(document.querySelector(".app-operation")));'
if not browser.execute_script(script):
time.sleep(0.1)
elif browser.is_element_present_by_css('.neterror'):
browser.visit(browser.url)
elif browser.is_element_present_by_css('.alert-danger'):
raise RuntimeError('Uninstall failed')
else:
break
################################
# App enable/disable utilities #
################################
def _change_app_status(browser, app_name, change_status_to='enabled'):
"""Enable or disable application."""
button = browser.find_by_css('button[name="app_enable_disable_button"]')
if button:
should_enable_field = browser.find_by_id('id_should_enable')
if (should_enable_field.value == 'False' and change_status_to
== 'disabled') or (should_enable_field.value == 'True'
and change_status_to == 'enabled'):
submit(browser, element=button)
else:
checkbox_id = _app_checkbox_id[app_name]
change_checkbox_status(browser, app_name, checkbox_id,
change_status_to)
def app_enable(browser, app_name):
nav_to_module(browser, app_name)
_change_app_status(browser, app_name, 'enabled')
def app_disable(browser, app_name):
nav_to_module(browser, app_name)
_change_app_status(browser, app_name, 'disabled')
def app_is_enabled(browser, app_name):
"""Return whether the app is enabled."""
nav_to_module(browser, app_name)
should_enable_field = browser.find_by_id('id_should_enable')
return should_enable_field.value == 'False'
def app_can_be_disabled(browser, app_name):
"""Return whether the application can be disabled."""
nav_to_module(browser, app_name)
button = browser.find_by_css('button[name="app_enable_disable_button"]')
return bool(button)
#########################
# Domain name utilities #
#########################
def set_domain_name(browser, domain_name):
nav_to_module(browser, 'config')
browser.find_by_id('id_domainname').fill(domain_name)
submit(browser, form_class='form-configuration')
########################
# Front page utilities #
########################
def find_on_front_page(browser, app_name):
browser.visit(base_url)
shortcuts = browser.links.find_by_href(f'/{app_name}/')
return shortcuts
def is_visible_on_front_page(browser, app_name):
shortcuts = find_on_front_page(browser, app_name)
return len(shortcuts) == 1
####################
# Daemon utilities #
####################
def service_is_running(browser, app_name):
nav_to_module(browser, app_name)
return len(browser.find_by_id('service-not-running')) == 0
def service_is_not_running(browser, app_name):
nav_to_module(browser, app_name)
return len(browser.find_by_id('service-not-running')) != 0
def running_inside_container():
"""Check if freedombox is running inside a container"""
# If the URL to connect to was overridden then assume that we are running
# tests on a different machine than the machine running freedombox. Assume
# running inside container to be conservative about tests.
if config['DEFAULT']['url'] != 'https://localhost':
return True
# If URL is not overridden then testing code and freedombox are running on
# the same machine. Proceed with a proper test.
result = subprocess.run(['systemd-detect-virt', '--container'],
stdout=subprocess.PIPE, check=False)
return result.stdout.decode('utf-8').strip().lower() != 'none'
##############################
# System -> Config utilities #
##############################
def set_hostname(browser, hostname):
nav_to_module(browser, 'config')
browser.find_by_id('id_hostname').fill(hostname)
submit(browser, form_class='form-configuration')
def set_advanced_mode(browser, mode):
nav_to_module(browser, 'config')
advanced_mode = browser.find_by_id('id_advanced_mode')
if mode:
advanced_mode.check()
else:
advanced_mode.uncheck()
submit(browser, form_class='form-configuration')
####################
# Backup utilities #
####################
def _click_button_and_confirm(browser, href, form_class):
buttons = browser.links.find_by_href(href)
if buttons:
submit(browser, element=buttons.first)
submit(browser, form_class=form_class,
expected_url='/plinth/sys/backups/')
def _backup_delete_archive_by_name(browser, archive_name):
nav_to_module(browser, 'backups')
href = f'/plinth/sys/backups/root/delete/{archive_name}/'
_click_button_and_confirm(browser, href, 'form-delete')
def backup_create(browser, app_name, archive_name=None):
"""Create a new backup for a given app."""
install(browser, 'backups')
if archive_name:
_backup_delete_archive_by_name(browser, archive_name)
buttons = browser.links.find_by_href('/plinth/sys/backups/create/')
submit(browser, element=buttons.first)
eventually(browser.find_by_css, args=['.select-all'])
browser.find_by_css('.select-all').first.uncheck()
if archive_name:
browser.find_by_id('id_backups-name').fill(archive_name)
# ensure the checkbox is scrolled into view
browser.execute_script('window.scrollTo(0, 0)')
browser.find_by_value(app_name).first.check()
submit(browser, form_class='form-backups')
def backup_restore(browser, app_name, archive_name=None):
"""Restore a given app from a backup archive."""
nav_to_module(browser, 'backups')
href = f'/plinth/sys/backups/root/restore-archive/{archive_name}/'
_click_button_and_confirm(browser, href, 'form-restore')
######################
# Networks utilities #
######################
def networks_set_firewall_zone(browser, zone):
""""Set the network device firewall zone as internal or external."""
nav_to_module(browser, 'networks')
# First active Ethernet connection
device = browser.find_by_xpath(
'//span[contains(@class, "connection-type-label") and '
'contains(., "Ethernet") ]/../..'
'//span[contains(@class, "badge-success") '
'and contains(@class, "connection-status-label")]/following::a').first
network_id = device['href'].split('/')[-3]
device.click()
edit_url = "/plinth/sys/networks/{}/edit/".format(network_id)
browser.links.find_by_href(edit_url).first.click()
browser.select('zone', zone)
browser.find_by_tag("form").first.find_by_tag('input')[-1].click()
##################
# Bind utilities #
##################
def set_forwarders(browser, forwarders):
"""Set the forwarders list (space separated) in bind configuration."""
nav_to_module(browser, 'bind')
browser.fill('forwarders', forwarders)
submit(browser, form_class='form-configuration')
def get_forwarders(browser):
"""Return the forwarders list (space separated) in bind configuration."""
nav_to_module(browser, 'bind')
return browser.find_by_name('forwarders').first.value
##############################
# Users and Groups utilities #
##############################
def create_user(browser, name, password=None, groups=[]):
"""Create a user with password and user groups."""
nav_to_module(browser, 'users')
if password is None:
password = get_password(name)
with wait_for_page_update(browser):
browser.links.find_by_href('/plinth/sys/users/create/').first.click()
browser.find_by_id('id_username').fill(name)
browser.find_by_id('id_password1').fill(password)
browser.find_by_id('id_password2').fill(password)
for group in groups:
browser.find_by_id(f'id_groups_{group}').check()
browser.find_by_id('id_confirm_password').fill(
config['DEFAULT']['password'])
submit(browser, form_class='form-create')
def delete_user(browser, name):
"""Delete a user."""
nav_to_module(browser, 'users')
delete_link = browser.links.find_by_href(
f'/plinth/sys/users/{name}/delete/')
with wait_for_page_update(browser):
delete_link.first.click()
submit(browser, form_class='form-delete')
def user_exists(browser, name):
"""Check if a user with a given name exists."""
nav_to_module(browser, 'users')
links = browser.links.find_by_href(f'/plinth/sys/users/{name}/edit/')
return len(links) == 1
class BaseAppTests:
"""Base class for common functional tests.
To run these tests on an app, the app should subclass this class with a
class name starting with 'Test'. This allows the app tests to be
automatically discovered while the base class tests to stay undiscovered.
Tests will apply to the app without the need not override each test.
"""
app_name = ''
# TODO: Check the components of the app instead of configuring here.
has_service = False
has_web = True
can_uninstall = True
check_diagnostics = True
diagnostics_delay = 0
disable_after_tests = True
def assert_app_running(self, session_browser):
"""Assert that the app is running."""
if self.has_service:
assert service_is_running(session_browser, self.app_name)
if self.has_web:
assert is_available(session_browser, self.app_name)
def assert_app_not_running(self, session_browser):
"""Assert that the app is not running."""
if self.has_service:
assert service_is_not_running(session_browser, self.app_name)
if self.has_web:
assert not is_available(session_browser, self.app_name)
@pytest.fixture(autouse=True)
def fixture_background(self, session_browser):
"""Login, install, and enable the app."""
login(session_browser)
install(session_browser, self.app_name)
app_enable(session_browser, self.app_name)
yield
login(session_browser)
if self.disable_after_tests:
app_disable(session_browser, self.app_name)
def test_enable_disable(self, session_browser):
"""Test enabling and disabling the app."""
app_disable(session_browser, self.app_name)
self.assert_app_not_running(session_browser)
app_enable(session_browser, self.app_name)
self.assert_app_running(session_browser)
def test_run_diagnostics(self, session_browser):
"""Test that all app diagnostics are passing."""
if not self.check_diagnostics:
pytest.skip(f'Skipping diagnostics check for {self.app_name}.')
time.sleep(self.diagnostics_delay)
session_browser.find_by_id('id_extra_actions_button').click()
submit(session_browser, form_class='form-diagnostics-button')
warning_results = session_browser.find_by_css('.badge-warning')
if warning_results:
warnings.warn(
f'Diagnostics warnings for {self.app_name}: {warning_results}')
failure_results = session_browser.find_by_css('.badge-danger')
assert not failure_results
@pytest.mark.backups
def test_backup_restore(self, session_browser):
"""Test that backup and restore operations work on the app."""
backup_create(session_browser, self.app_name, 'test_' + self.app_name)
backup_restore(session_browser, self.app_name, 'test_' + self.app_name)
self.assert_app_running(session_browser)
def test_uninstall(self, session_browser):
"""Test that app can be uninstalled and installed back again."""
if not self.can_uninstall:
pytest.skip(f'Skipping uninstall test for {self.app_name}.')
uninstall(session_browser, self.app_name)
assert not is_installed(session_browser, self.app_name)
install(session_browser, self.app_name)
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