zulip/zerver/lib/test_helpers.py

716 lines
28 KiB
Python

from __future__ import absolute_import
from __future__ import print_function
from contextlib import contextmanager
from typing import (cast, Any, Callable, Dict, Generator, Iterable, List, Mapping, Optional,
Sized, Tuple, Union)
from django.conf import settings
from django.test import TestCase
from django.test.client import (
BOUNDARY, MULTIPART_CONTENT, encode_multipart,
)
from django.template import loader
from django.http import HttpResponse
from django.db.utils import IntegrityError
from django.utils.translation import ugettext as _
from zerver.lib.initial_password import initial_password
from zerver.lib.db import TimeTrackingCursor
from zerver.lib.handlers import allocate_handler_id
from zerver.lib.str_utils import force_text
from zerver.lib import cache
from zerver.lib import event_queue
from zerver.worker import queue_processors
from zerver.lib.actions import (
check_send_message, create_stream_if_needed, bulk_add_subscriptions,
get_display_recipient, bulk_remove_subscriptions
)
from zerver.models import (
get_realm,
get_stream,
get_user_profile_by_email,
resolve_email_to_domain,
Client,
Message,
Realm,
Recipient,
Stream,
Subscription,
UserMessage,
UserProfile,
)
from zerver.lib.request import JsonableError
import base64
import mock
import os
import re
import time
import ujson
import unittest
from six.moves import urllib
from six import text_type, binary_type
from zerver.lib.str_utils import NonBinaryStr
from contextlib import contextmanager
import six
API_KEYS = {} # type: Dict[text_type, text_type]
skip_py3 = unittest.skipIf(six.PY3, "Expected failure on Python 3")
@contextmanager
def simulated_queue_client(client):
# type: (type) -> Generator[None, None, None]
real_SimpleQueueClient = queue_processors.SimpleQueueClient
queue_processors.SimpleQueueClient = client # type: ignore # https://github.com/JukkaL/mypy/issues/1152
yield
queue_processors.SimpleQueueClient = real_SimpleQueueClient # type: ignore # https://github.com/JukkaL/mypy/issues/1152
@contextmanager
def tornado_redirected_to_list(lst):
# type: (List[Mapping[str, Any]]) -> Generator[None, None, None]
real_event_queue_process_notification = event_queue.process_notification
event_queue.process_notification = lst.append
yield
event_queue.process_notification = real_event_queue_process_notification
@contextmanager
def simulated_empty_cache():
# type: () -> Generator[List[Tuple[str, Union[text_type, List[text_type]], text_type]], None, None]
cache_queries = [] # type: List[Tuple[str, Union[text_type, List[text_type]], text_type]]
def my_cache_get(key, cache_name=None):
# type: (text_type, Optional[str]) -> Any
cache_queries.append(('get', key, cache_name))
return None
def my_cache_get_many(keys, cache_name=None):
# type: (List[text_type], Optional[str]) -> Dict[text_type, Any]
cache_queries.append(('getmany', keys, cache_name))
return None
old_get = cache.cache_get
old_get_many = cache.cache_get_many
cache.cache_get = my_cache_get
cache.cache_get_many = my_cache_get_many
yield cache_queries
cache.cache_get = old_get
cache.cache_get_many = old_get_many
@contextmanager
def queries_captured():
# type: () -> Generator[List[Dict[str, Union[str, binary_type]]], None, None]
'''
Allow a user to capture just the queries executed during
the with statement.
'''
queries = [] # type: List[Dict[str, Union[str, binary_type]]]
def wrapper_execute(self, action, sql, params=()):
# type: (TimeTrackingCursor, Callable, NonBinaryStr, Iterable[Any]) -> None
start = time.time()
try:
return action(sql, params)
finally:
stop = time.time()
duration = stop - start
queries.append({
'sql': self.mogrify(sql, params).decode('utf-8'),
'time': "%.3f" % duration,
})
old_execute = TimeTrackingCursor.execute
old_executemany = TimeTrackingCursor.executemany
def cursor_execute(self, sql, params=()):
# type: (TimeTrackingCursor, NonBinaryStr, Iterable[Any]) -> None
return wrapper_execute(self, super(TimeTrackingCursor, self).execute, sql, params) # type: ignore # https://github.com/JukkaL/mypy/issues/1167
TimeTrackingCursor.execute = cursor_execute # type: ignore # https://github.com/JukkaL/mypy/issues/1167
def cursor_executemany(self, sql, params=()):
# type: (TimeTrackingCursor, NonBinaryStr, Iterable[Any]) -> None
return wrapper_execute(self, super(TimeTrackingCursor, self).executemany, sql, params) # type: ignore # https://github.com/JukkaL/mypy/issues/1167
TimeTrackingCursor.executemany = cursor_executemany # type: ignore # https://github.com/JukkaL/mypy/issues/1167
yield queries
TimeTrackingCursor.execute = old_execute # type: ignore # https://github.com/JukkaL/mypy/issues/1167
TimeTrackingCursor.executemany = old_executemany # type: ignore # https://github.com/JukkaL/mypy/issues/1167
def make_client(name):
# type: (str) -> Client
client, _ = Client.objects.get_or_create(name=name)
return client
def find_key_by_email(address):
# type: (text_type) -> text_type
from django.core.mail import outbox
key_regex = re.compile("accounts/do_confirm/([a-f0-9]{40})>")
for message in reversed(outbox):
if address in message.to:
return key_regex.search(message.body).groups()[0]
def message_ids(result):
# type: (Dict[str, Any]) -> Set[int]
return set(message['id'] for message in result['messages'])
def message_stream_count(user_profile):
# type: (UserProfile) -> int
return UserMessage.objects. \
select_related("message"). \
filter(user_profile=user_profile). \
count()
def most_recent_usermessage(user_profile):
# type: (UserProfile) -> UserMessage
query = UserMessage.objects. \
select_related("message"). \
filter(user_profile=user_profile). \
order_by('-message')
return query[0] # Django does LIMIT here
def most_recent_message(user_profile):
# type: (UserProfile) -> Message
usermessage = most_recent_usermessage(user_profile)
return usermessage.message
def get_user_messages(user_profile):
# type: (UserProfile) -> List[Message]
query = UserMessage.objects. \
select_related("message"). \
filter(user_profile=user_profile). \
order_by('message')
return [um.message for um in query]
class DummyHandler(object):
def __init__(self):
# type: (Callable) -> None
allocate_handler_id(self)
class POSTRequestMock(object):
method = "POST"
def __init__(self, post_data, user_profile):
# type: (Dict[str, Any], UserProfile) -> None
self.REQUEST = self.POST = post_data
self.user = user_profile
self._tornado_handler = DummyHandler()
self._log_data = {} # type: Dict[str, Any]
self.META = {'PATH_INFO': 'test'}
class HostRequestMock(object):
"""A mock request object where get_host() works. Useful for testing
routes that use Zulip's subdomains feature"""
def __init__(self, host=settings.EXTERNAL_HOST):
# type: (text_type) -> None
self.host = host
def get_host(self):
# type: () -> text_type
return self.host
INSTRUMENTING = os.environ.get('TEST_INSTRUMENT_URL_COVERAGE', '') == 'TRUE'
INSTRUMENTED_CALLS = [] # type: List[Dict[str, Any]]
UrlFuncT = Callable[..., HttpResponse] # TODO: make more specific
def instrument_url(f):
# type: (UrlFuncT) -> UrlFuncT
if not INSTRUMENTING:
return f
else:
def wrapper(self, url, info={}, **kwargs):
# type: (Any, text_type, Dict[str, Any], **Any) -> HttpResponse
start = time.time()
result = f(self, url, info, **kwargs)
delay = time.time() - start
test_name = self.id()
if '?' in url:
url, extra_info = url.split('?', 1)
else:
extra_info = ''
INSTRUMENTED_CALLS.append(dict(
url=url,
status_code=result.status_code,
method=f.__name__,
delay=delay,
extra_info=extra_info,
info=info,
test_name=test_name,
kwargs=kwargs))
return result
return wrapper
def write_instrumentation_reports():
# type: () -> None
if INSTRUMENTING:
calls = INSTRUMENTED_CALLS
var_dir = 'var' # TODO make sure path is robust here
fn = os.path.join(var_dir, 'url_coverage.txt')
with open(fn, 'w') as f:
for call in calls:
try:
line = ujson.dumps(call)
f.write(line + '\n')
except OverflowError:
print('''
A JSON overflow error was encountered while
producing the URL coverage report. Sometimes
this indicates that a test is passing objects
into methods like client_post(), which is
unnecessary and leads to false positives.
''')
print(call)
print('URL coverage report is in %s' % (fn,))
print('Try running: ./tools/analyze-url-coverage')
# Find our untested urls.
from zproject.urls import urlpatterns
untested_patterns = []
for pattern in urlpatterns:
for call in calls:
url = call['url']
if url.startswith('/'):
url = url[1:]
if pattern.regex.match(url):
break
else:
untested_patterns.append(pattern.regex.pattern)
fn = os.path.join(var_dir, 'untested_url_report.txt')
with open(fn, 'w') as f:
f.write('untested urls\n')
for untested_pattern in sorted(untested_patterns):
f.write(' %s\n' % (untested_pattern,))
print('Untested-url report is in %s' % (fn,))
class ZulipTestCase(TestCase):
'''
WRAPPER_COMMENT:
We wrap calls to self.client.{patch,put,get,post,delete} for various
reasons. Some of this has to do with fixing encodings before calling
into the Django code. Some of this has to do with providing a future
path for instrumentation. Some of it's just consistency.
The linter will prevent direct calls to self.client.foo, so the wrapper
functions have to fake out the linter by using a local variable called
django_client to fool the regext.
'''
DEFAULT_REALM_NAME = 'zulip.com'
@instrument_url
def client_patch(self, url, info={}, **kwargs):
# type: (text_type, Dict[str, Any], **Any) -> HttpResponse
"""
We need to urlencode, since Django's function won't do it for us.
"""
encoded = urllib.parse.urlencode(info)
django_client = self.client # see WRAPPER_COMMENT
return django_client.patch(url, encoded, **kwargs)
@instrument_url
def client_patch_multipart(self, url, info={}, **kwargs):
# type: (text_type, Dict[str, Any], **Any) -> HttpResponse
"""
Use this for patch requests that have file uploads or
that need some sort of multi-part content. In the future
Django's test client may become a bit more flexible,
so we can hopefully eliminate this. (When you post
with the Django test client, it deals with MULTIPART_CONTENT
automatically, but not patch.)
"""
encoded = encode_multipart(BOUNDARY, info)
django_client = self.client # see WRAPPER_COMMENT
return django_client.patch(
url,
encoded,
content_type=MULTIPART_CONTENT,
**kwargs)
@instrument_url
def client_put(self, url, info={}, **kwargs):
# type: (text_type, Dict[str, Any], **Any) -> HttpResponse
encoded = urllib.parse.urlencode(info)
django_client = self.client # see WRAPPER_COMMENT
return django_client.put(url, encoded, **kwargs)
@instrument_url
def client_delete(self, url, info={}, **kwargs):
# type: (text_type, Dict[str, Any], **Any) -> HttpResponse
encoded = urllib.parse.urlencode(info)
django_client = self.client # see WRAPPER_COMMENT
return django_client.delete(url, encoded, **kwargs)
@instrument_url
def client_post(self, url, info={}, **kwargs):
# type: (text_type, Dict[str, Any], **Any) -> HttpResponse
django_client = self.client # see WRAPPER_COMMENT
return django_client.post(url, info, **kwargs)
@instrument_url
def client_get(self, url, info={}, **kwargs):
# type: (text_type, Dict[str, Any], **Any) -> HttpResponse
django_client = self.client # see WRAPPER_COMMENT
return django_client.get(url, info, **kwargs)
def login_with_return(self, email, password=None):
# type: (text_type, Optional[text_type]) -> HttpResponse
if password is None:
password = initial_password(email)
return self.client_post('/accounts/login/',
{'username': email, 'password': password})
def login(self, email, password=None, fails=False):
# type: (text_type, Optional[text_type], bool) -> HttpResponse
if password is None:
password = initial_password(email)
if not fails:
self.assertTrue(self.client.login(username=email, password=password))
else:
self.assertFalse(self.client.login(username=email, password=password))
def register(self, username, password, domain="zulip.com"):
# type: (text_type, text_type, text_type) -> HttpResponse
self.client_post('/accounts/home/',
{'email': username + "@" + domain})
return self.submit_reg_form_for_user(username, password, domain=domain)
def submit_reg_form_for_user(self, username, password, domain="zulip.com",
realm_name=None, realm_subdomain=None,
realm_org_type=Realm.COMMUNITY, **kwargs):
# type: (text_type, text_type, text_type, Optional[text_type], Optional[text_type], int, **Any) -> HttpResponse
"""
Stage two of the two-step registration process.
If things are working correctly the account should be fully
registered after this call.
You can pass the HTTP_HOST variable for subdomains via kwargs.
"""
return self.client_post('/accounts/register/',
{'full_name': username, 'password': password,
'realm_name': realm_name,
'realm_subdomain': realm_subdomain,
'key': find_key_by_email(username + '@' + domain),
'realm_org_type': realm_org_type,
'terms': True},
**kwargs)
def get_confirmation_url_from_outbox(self, email_address, path_pattern="(\S+)>"):
# type: (text_type, text_type) -> text_type
from django.core.mail import outbox
for message in reversed(outbox):
if email_address in message.to:
return re.search(settings.EXTERNAL_HOST + path_pattern,
message.body).groups()[0]
else:
raise ValueError("Couldn't find a confirmation email.")
def get_api_key(self, email):
# type: (text_type) -> text_type
if email not in API_KEYS:
API_KEYS[email] = get_user_profile_by_email(email).api_key
return API_KEYS[email]
def api_auth(self, email):
# type: (text_type) -> Dict[str, text_type]
credentials = u"%s:%s" % (email, self.get_api_key(email))
return {
'HTTP_AUTHORIZATION': u'Basic ' + base64.b64encode(credentials.encode('utf-8')).decode('utf-8')
}
def get_streams(self, email):
# type: (text_type) -> List[text_type]
"""
Helper function to get the stream names for a user
"""
user_profile = get_user_profile_by_email(email)
subs = Subscription.objects.filter(
user_profile=user_profile,
active=True,
recipient__type=Recipient.STREAM)
return [cast(text_type, get_display_recipient(sub.recipient)) for sub in subs]
def send_message(self, sender_name, raw_recipients, message_type,
content=u"test content", subject=u"test", **kwargs):
# type: (text_type, Union[text_type, List[text_type]], int, text_type, text_type, **Any) -> int
sender = get_user_profile_by_email(sender_name)
if message_type == Recipient.PERSONAL:
message_type_name = "private"
else:
message_type_name = "stream"
if isinstance(raw_recipients, six.string_types):
recipient_list = [raw_recipients]
else:
recipient_list = raw_recipients
(sending_client, _) = Client.objects.get_or_create(name="test suite")
return check_send_message(
sender, sending_client, message_type_name, recipient_list, subject,
content, forged=False, forged_timestamp=None,
forwarder_user_profile=sender, realm=sender.realm, **kwargs)
def get_old_messages(self, anchor=1, num_before=100, num_after=100):
# type: (int, int, int) -> List[Dict[str, Any]]
post_params = {"anchor": anchor, "num_before": num_before,
"num_after": num_after}
result = self.client_get("/json/messages", dict(post_params))
data = ujson.loads(result.content)
return data['messages']
def users_subscribed_to_stream(self, stream_name, realm_domain):
# type: (text_type, text_type) -> List[UserProfile]
realm = get_realm(realm_domain)
stream = Stream.objects.get(name=stream_name, realm=realm)
recipient = Recipient.objects.get(type_id=stream.id, type=Recipient.STREAM)
subscriptions = Subscription.objects.filter(recipient=recipient, active=True)
return [subscription.user_profile for subscription in subscriptions]
def assert_json_success(self, result):
# type: (HttpResponse) -> Dict[str, Any]
"""
Successful POSTs return a 200 and JSON of the form {"result": "success",
"msg": ""}.
"""
self.assertEqual(result.status_code, 200, result)
json = ujson.loads(result.content)
self.assertEqual(json.get("result"), "success")
# We have a msg key for consistency with errors, but it typically has an
# empty value.
self.assertIn("msg", json)
return json
def get_json_error(self, result, status_code=400):
# type: (HttpResponse, int) -> Dict[str, Any]
self.assertEqual(result.status_code, status_code)
json = ujson.loads(result.content)
self.assertEqual(json.get("result"), "error")
return json['msg']
def assert_json_error(self, result, msg, status_code=400):
# type: (HttpResponse, text_type, int) -> None
"""
Invalid POSTs return an error status code and JSON of the form
{"result": "error", "msg": "reason"}.
"""
self.assertEqual(self.get_json_error(result, status_code=status_code), msg)
def assert_length(self, queries, count):
# type: (Sized, int) -> None
actual_count = len(queries)
return self.assertTrue(actual_count == count,
"len(%s) == %s, != %s" % (queries, actual_count, count))
def assert_max_length(self, queries, count):
# type: (Sized, int) -> None
actual_count = len(queries)
return self.assertTrue(actual_count <= count,
"len(%s) == %s, > %s" % (queries, actual_count, count))
def assert_json_error_contains(self, result, msg_substring, status_code=400):
# type: (HttpResponse, text_type, int) -> None
self.assertIn(msg_substring, self.get_json_error(result, status_code=status_code))
def assert_equals_response(self, string, response):
# type: (text_type, HttpResponse) -> None
self.assertEqual(string, response.content.decode('utf-8'))
def assert_in_response(self, substring, response):
# type: (text_type, HttpResponse) -> None
self.assertIn(substring, response.content.decode('utf-8'))
def fixture_data(self, type, action, file_type='json'):
# type: (text_type, text_type, text_type) -> text_type
return force_text(open(os.path.join(os.path.dirname(__file__),
"../fixtures/%s/%s_%s.%s" % (type, type, action, file_type))).read())
def make_stream(self, stream_name, realm=None, invite_only=False):
# type: (text_type, Optional[Realm], Optional[bool]) -> Stream
if realm is None:
realm = get_realm(self.DEFAULT_REALM_NAME)
try:
stream = Stream.objects.create(
realm=realm,
name=stream_name,
invite_only=invite_only,
)
except IntegrityError:
raise Exception('''
%s already exists
Please call make_stream with a stream name
that is not already in use.''' % (stream_name,))
Recipient.objects.create(type_id=stream.id, type=Recipient.STREAM)
return stream
# Subscribe to a stream directly
def subscribe_to_stream(self, email, stream_name, realm=None):
# type: (text_type, text_type, Optional[Realm]) -> None
if realm is None:
realm = get_realm(resolve_email_to_domain(email))
stream = get_stream(stream_name, realm)
if stream is None:
stream, _ = create_stream_if_needed(realm, stream_name)
user_profile = get_user_profile_by_email(email)
bulk_add_subscriptions([stream], [user_profile])
def unsubscribe_from_stream(self, email, stream_name):
# type: (text_type, text_type) -> None
user_profile = get_user_profile_by_email(email)
stream = get_stream(stream_name, user_profile.realm)
bulk_remove_subscriptions([user_profile], [stream])
# Subscribe to a stream by making an API request
def common_subscribe_to_streams(self, email, streams, extra_post_data={}, invite_only=False):
# type: (text_type, Iterable[text_type], Dict[str, Any], bool) -> HttpResponse
post_data = {'subscriptions': ujson.dumps([{"name": stream} for stream in streams]),
'invite_only': ujson.dumps(invite_only)}
post_data.update(extra_post_data)
result = self.client_post("/api/v1/users/me/subscriptions", post_data, **self.api_auth(email))
return result
def send_json_payload(self, email, url, payload, stream_name=None, **post_params):
# type: (text_type, text_type, Union[text_type, Dict[str, Any]], Optional[text_type], **Any) -> Message
if stream_name is not None:
self.subscribe_to_stream(email, stream_name)
result = self.client_post(url, payload, **post_params)
self.assert_json_success(result)
# Check the correct message was sent
msg = self.get_last_message()
self.assertEqual(msg.sender.email, email)
if stream_name is not None:
self.assertEqual(get_display_recipient(msg.recipient), stream_name)
# TODO: should also validate recipient for private messages
return msg
def get_last_message(self):
# type: () -> Message
return Message.objects.latest('id')
def get_second_to_last_message(self):
# type: () -> Message
return Message.objects.all().order_by('-id')[1]
@contextmanager
def simulated_markdown_failure(self):
# type: () -> Generator[None, None, None]
'''
This raises a failure inside of the try/except block of
bugdown.__init__.do_convert.
'''
with \
self.settings(ERROR_BOT=None), \
mock.patch('zerver.lib.bugdown.timeout', side_effect=KeyError('foo')), \
mock.patch('zerver.lib.bugdown.log_bugdown_error'):
yield
class WebhookTestCase(ZulipTestCase):
"""
Common for all webhooks tests
Override below class attributes and run send_and_test_message
If you create your url in uncommon way you can override build_webhook_url method
In case that you need modify body or create it without using fixture you can also override get_body method
"""
STREAM_NAME = None # type: Optional[text_type]
TEST_USER_EMAIL = 'webhook-bot@zulip.com'
URL_TEMPLATE = None # type: Optional[text_type]
FIXTURE_DIR_NAME = None # type: Optional[text_type]
def setUp(self):
# type: () -> None
self.url = self.build_webhook_url()
def send_and_test_stream_message(self, fixture_name, expected_subject=None,
expected_message=None, content_type="application/json", **kwargs):
# type: (text_type, Optional[text_type], Optional[text_type], Optional[text_type], **Any) -> Message
payload = self.get_body(fixture_name)
if content_type is not None:
kwargs['content_type'] = content_type
msg = self.send_json_payload(self.TEST_USER_EMAIL, self.url, payload,
self.STREAM_NAME, **kwargs)
self.do_test_subject(msg, expected_subject)
self.do_test_message(msg, expected_message)
return msg
def send_and_test_private_message(self, fixture_name, expected_subject=None,
expected_message=None, content_type="application/json", **kwargs):
# type: (text_type, text_type, text_type, str, **Any) -> Message
payload = self.get_body(fixture_name)
if content_type is not None:
kwargs['content_type'] = content_type
msg = self.send_json_payload(self.TEST_USER_EMAIL, self.url, payload,
stream_name=None, **kwargs)
self.do_test_message(msg, expected_message)
return msg
def build_webhook_url(self):
# type: () -> text_type
api_key = self.get_api_key(self.TEST_USER_EMAIL)
return self.URL_TEMPLATE.format(stream=self.STREAM_NAME, api_key=api_key)
def get_body(self, fixture_name):
# type: (text_type) -> Union[text_type, Dict[str, text_type]]
"""Can be implemented either as returning a dictionary containing the
post parameters or as string containing the body of the request."""
return ujson.dumps(ujson.loads(self.fixture_data(self.FIXTURE_DIR_NAME, fixture_name)))
def do_test_subject(self, msg, expected_subject):
# type: (Message, Optional[text_type]) -> None
if expected_subject is not None:
self.assertEqual(msg.topic_name(), expected_subject)
def do_test_message(self, msg, expected_message):
# type: (Message, Optional[text_type]) -> None
if expected_message is not None:
self.assertEqual(msg.content, expected_message)
def get_all_templates():
# type: () -> List[str]
templates = []
relpath = os.path.relpath
isfile = os.path.isfile
path_exists = os.path.exists
def is_valid_template(p, n):
# type: (text_type, text_type) -> bool
return not n.startswith('.') and not n.startswith('__init__') and isfile(p)
def process(template_dir, dirname, fnames):
# type: (str, str, Iterable[str]) -> None
for name in fnames:
path = os.path.join(dirname, name)
if is_valid_template(path, name):
templates.append(relpath(path, template_dir))
for engine in loader.engines.all():
template_dirs = [d for d in engine.template_dirs if path_exists(d)]
for template_dir in template_dirs:
template_dir = os.path.normpath(template_dir)
for dirpath, dirnames, fnames in os.walk(template_dir):
process(template_dir, dirpath, fnames)
return templates