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# Copyright 2012, 2013 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
from contextlib import contextmanager
import logging
import os
from StringIO import StringIO
import unittest
from urllib2 import URLError
import mock
from mongoqueue import MongoQueue
from pyramid import testing
from webtest import TestApp
from charmworld import main
from charmworld.models import getconnection
from charmworld.models import getdb
from charmworld.models import getfs
from charmworld.search import ElasticSearchClient
from charmworld.testing.factory import makeSSOResponse
from charmworld.utils import get_ini
INI = get_ini()
MONGO_URL = os.environ.get('TEST_MONGODB')
MONGO_DATABASE = INI.get('mongo.database')
# Update the ini values with the database fired up by the nosemongo plugin.
INI['mongo.url'] = MONGO_URL
REAL_FILE_CHARM_DIR = os.path.join(os.path.split(__file__)[0], 'data')
class MongoTestBase(unittest.TestCase):
@property
def connection(self):
if getattr(self, '_connection', None) is None:
self._connection = getconnection(INI, safe=True)
return self._connection
def setUp(self):
self.db = getdb(self.connection, MONGO_DATABASE)
self.fs = getfs(self.db)
def tearDown(self):
# Drop the Mongo database.
self.connection.drop_database(MONGO_DATABASE)
def get_handler(self, log_name):
logger = logging.getLogger(log_name)
handler = logging.handlers.BufferingHandler(20)
logger.addHandler(handler)
def cleanup():
logger.removeHandler(handler)
self.addCleanup(cleanup)
return handler
class WebTestBase(MongoTestBase):
def setUp(self):
super(WebTestBase, self).setUp()
app = main({}, **INI)
self.app = TestApp(app)
def tearDown(self):
self.app = None
super(WebTestBase, self).tearDown()
class ViewTestBase(MongoTestBase):
def setUp(self):
super(ViewTestBase, self).setUp()
self.config = testing.setUp()
def getRequest(self, params=None, post=None):
request = testing.DummyRequest(params=params, post=post)
request.db = self.db
return request
def tearDown(self):
testing.tearDown()
super(ViewTestBase, self).tearDown()
class RemoteURLBase(MongoTestBase):
url_prefix = "https://jenkins.qa.ubuntu.com/job/"
url_debug = False
def setUp(self):
super(RemoteURLBase, self).setUp()
self.url_result_map = {"": ""}
def lookup_url_result(self, url):
if self.url_debug:
print "url", url
short_url = url[len(self.url_prefix):]
if short_url in self.url_result_map:
return StringIO(self.url_result_map[short_url])
raise URLError(url)
def invoke(self, func, *args, **kw):
with mock.patch("urllib2.urlopen") as urlopen:
urlopen.side_effect = self.lookup_url_result
return func(*args, **kw)
class JobTestBase(MongoTestBase):
def patch_ingest_job(self, job, methods):
# Mocks multiple attr on a job.
old_methods = []
for m in methods:
old_methods.append(getattr(job, m))
setattr(job, m, mock.Mock())
def cleanup():
for i, m in enumerate(methods):
setattr(job, m, old_methods[i])
self.addCleanup(cleanup)
def get_mongo_queues(self, data=None):
in_queue = MongoQueue(self.db.in_queue, "in-queue")
out_queue = MongoQueue(self.db.out_queue, "out-queue")
if data:
in_queue.put(data)
def cleanup():
in_queue.clear()
out_queue.clear()
self.addCleanup(cleanup)
return (in_queue, out_queue)
@contextmanager
def login_request(app, groups=None):
"""Context manager to help functionally test a logged in user account.
:param app: The application constructed for testing. Usually self.app when
using WebTestBase.
:return response: The post-logged in WebTest response object.
"""
sso_resp = makeSSOResponse(groups=groups)
resp = app.get(
'/auth_callback',
params=sso_resp,
status=302)
resp = resp.follow()
yield resp
def get_bad_mock(exception_type=Exception, *args):
"""Convenience helper to generate a mock that will raise a particular
exception with necessary messages.
"""
if not len(args):
args = ["Exception forced by mock."]
return mock.Mock(side_effect=exception_type(*args))
@contextmanager
def temp_index_client():
client = ElasticSearchClient.from_settings(INI, 'temp_index')
try:
yield client
finally:
client.delete_index()
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