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utils.py
282 lines | 9.0 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2016 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import threading
import time
import logging
import os.path
import subprocess
import urllib2
from urlparse import urlparse, parse_qsl
from urllib import unquote_plus
import pytest
import rc_testdata
from lxml.html import fromstring, tostring
from lxml.cssselect import CSSSelector
from rhodecode.model.db import User
from rhodecode.model.meta import Session
from rhodecode.model.scm import ScmModel
from rhodecode.lib.vcs.backends.svn.repository import SubversionRepository
log = logging.getLogger(__name__)
def set_anonymous_access(enabled):
"""(Dis)allows anonymous access depending on parameter `enabled`"""
user = User.get_default_user()
user.active = enabled
Session().add(user)
Session().commit()
log.info('anonymous access is now: %s', enabled)
assert enabled == User.get_default_user().active, (
'Cannot set anonymous access')
def check_xfail_backends(node, backend_alias):
# Using "xfail_backends" here intentionally, since this marks work
# which is "to be done" soon.
skip_marker = node.get_marker('xfail_backends')
if skip_marker and backend_alias in skip_marker.args:
msg = "Support for backend %s to be developed." % (backend_alias, )
msg = skip_marker.kwargs.get('reason', msg)
pytest.xfail(msg)
def check_skip_backends(node, backend_alias):
# Using "skip_backends" here intentionally, since this marks work which is
# not supported.
skip_marker = node.get_marker('skip_backends')
if skip_marker and backend_alias in skip_marker.args:
msg = "Feature not supported for backend %s." % (backend_alias, )
msg = skip_marker.kwargs.get('reason', msg)
pytest.skip(msg)
def extract_git_repo_from_dump(dump_name, repo_name):
"""Create git repo `repo_name` from dump `dump_name`."""
repos_path = ScmModel().repos_path
target_path = os.path.join(repos_path, repo_name)
rc_testdata.extract_git_dump(dump_name, target_path)
return target_path
def extract_hg_repo_from_dump(dump_name, repo_name):
"""Create hg repo `repo_name` from dump `dump_name`."""
repos_path = ScmModel().repos_path
target_path = os.path.join(repos_path, repo_name)
rc_testdata.extract_hg_dump(dump_name, target_path)
return target_path
def extract_svn_repo_from_dump(dump_name, repo_name):
"""Create a svn repo `repo_name` from dump `dump_name`."""
repos_path = ScmModel().repos_path
target_path = os.path.join(repos_path, repo_name)
SubversionRepository(target_path, create=True)
_load_svn_dump_into_repo(dump_name, target_path)
return target_path
def assert_message_in_log(log_records, message, levelno, module):
messages = [
r.message for r in log_records
if r.module == module and r.levelno == levelno
]
assert message in messages
def _load_svn_dump_into_repo(dump_name, repo_path):
"""
Utility to populate a svn repository with a named dump
Currently the dumps are in rc_testdata. They might later on be
integrated with the main repository once they stabilize more.
"""
dump = rc_testdata.load_svn_dump(dump_name)
load_dump = subprocess.Popen(
['svnadmin', 'load', repo_path],
stdin=subprocess.PIPE, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = load_dump.communicate(dump)
if load_dump.returncode != 0:
log.error("Output of load_dump command: %s", out)
log.error("Error output of load_dump command: %s", err)
raise Exception(
'Failed to load dump "%s" into repository at path "%s".'
% (dump_name, repo_path))
class AssertResponse(object):
"""
Utility that helps to assert things about a given HTML response.
"""
def __init__(self, response):
self.response = response
def one_element_exists(self, css_selector):
self.get_element(css_selector)
def no_element_exists(self, css_selector):
assert not self._get_elements(css_selector)
def element_equals_to(self, css_selector, expected_content):
element = self.get_element(css_selector)
element_text = self._element_to_string(element)
assert expected_content in element_text
def element_contains(self, css_selector, expected_content):
element = self.get_element(css_selector)
assert expected_content in element.text_content()
def contains_one_link(self, link_text, href):
doc = fromstring(self.response.body)
sel = CSSSelector('a[href]')
elements = [
e for e in sel(doc) if e.text_content().strip() == link_text]
assert len(elements) == 1, "Did not find link or found multiple links"
self._ensure_url_equal(elements[0].attrib.get('href'), href)
def contains_one_anchor(self, anchor_id):
doc = fromstring(self.response.body)
sel = CSSSelector('#' + anchor_id)
elements = sel(doc)
assert len(elements) == 1
def _ensure_url_equal(self, found, expected):
assert _Url(found) == _Url(expected)
def get_element(self, css_selector):
elements = self._get_elements(css_selector)
assert len(elements) == 1
return elements[0]
def _get_elements(self, css_selector):
doc = fromstring(self.response.body)
sel = CSSSelector(css_selector)
elements = sel(doc)
return elements
def _element_to_string(self, element):
return tostring(element)
class _Url(object):
"""
A url object that can be compared with other url orbjects
without regard to the vagaries of encoding, escaping, and ordering
of parameters in query strings.
Inspired by
http://stackoverflow.com/questions/5371992/comparing-two-urls-in-python
"""
def __init__(self, url):
parts = urlparse(url)
_query = frozenset(parse_qsl(parts.query))
_path = unquote_plus(parts.path)
parts = parts._replace(query=_query, path=_path)
self.parts = parts
def __eq__(self, other):
return self.parts == other.parts
def __hash__(self):
return hash(self.parts)
def run_test_concurrently(times, raise_catched_exc=True):
"""
Add this decorator to small pieces of code that you want to test
concurrently
ex:
@test_concurrently(25)
def my_test_function():
...
"""
def test_concurrently_decorator(test_func):
def wrapper(*args, **kwargs):
exceptions = []
def call_test_func():
try:
test_func(*args, **kwargs)
except Exception, e:
exceptions.append(e)
if raise_catched_exc:
raise
threads = []
for i in range(times):
threads.append(threading.Thread(target=call_test_func))
for t in threads:
t.start()
for t in threads:
t.join()
if exceptions:
raise Exception(
'test_concurrently intercepted %s exceptions: %s' % (
len(exceptions), exceptions))
return wrapper
return test_concurrently_decorator
def wait_for_url(url, timeout=10):
"""
Wait until URL becomes reachable.
It polls the URL until the timeout is reached or it became reachable.
If will call to `py.test.fail` in case the URL is not reachable.
"""
timeout = time.time() + timeout
last = 0
wait = 0.1
while (timeout > last):
last = time.time()
if is_url_reachable(url):
break
elif ((last + wait) > time.time()):
# Go to sleep because not enough time has passed since last check.
time.sleep(wait)
else:
pytest.fail("Timeout while waiting for URL {}".format(url))
def is_url_reachable(url):
try:
urllib2.urlopen(url)
except urllib2.URLError:
return False
return True
def get_session_from_response(response):
"""
This returns the session from a response object. Pylons has some magic
to make the session available as `response.session`. But pyramid
doesn't expose it.
"""
# TODO: Try to look up the session key also.
return response.request.environ['beaker.session']