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tracker_tests.py
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tracker_tests.py
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# Copyright (C) 2010 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
from xmpp import Subscription, Tracker, XmppHandler
import pshb
import settings
class StubHubSubscriber(pshb.HubSubscriber):
def subscribe(self, url, hub, callback_url):
self.callback_url = callback_url
def unsubscribe(self, url, hub, callback_url):
self.callback_url = callback_url
class TrackerTest(unittest.TestCase):
def test_is_blank_works_on_blank_strings(self):
self.assertTrue(Tracker.is_blank(None))
self.assertTrue(Tracker.is_blank(" "))
self.assertTrue(Tracker.is_blank(" ")) # has a tab in it
self.assertTrue(Tracker.is_blank(""))
def test_is_blank_works_on_nonblank_strings(self):
self.assertFalse(Tracker.is_blank(" a"))
self.assertFalse(Tracker.is_blank("adf "))
self.assertFalse(Tracker.is_blank(" adfas "))
self.assertFalse(Tracker.is_blank("daf-sa"))
def test_tracker_rejects_empty_search_term(self):
sender = 'foo@example.com'
term = ''
tracker = Tracker(hub_subscriber=StubHubSubscriber())
self.assertEquals(None, tracker.track(sender, term))
def test_tracker_extracts_integer_id_given_integer(self):
self.assertEquals(7, Tracker.extract_number(7))
def test_tracker_extracts_integer_id_given_string(self):
self.assertEquals(7, Tracker.extract_number('7'))
def test_tracker_returns_none_given_invalid_integer(self):
self.assertEquals(None, Tracker.extract_number('jaiku'))
self.assertEquals(None, Tracker.extract_number(None))
def test_tracker_rejects_padded_empty_string(self):
sender = 'foo@example.com'
tracker = Tracker(hub_subscriber=StubHubSubscriber())
self.assertEquals(None, tracker.track(sender, ' '))
def test_tracker_accepts_valid_string(self):
sender = 'foo@example.com'
search_term='somestring'
tracker = Tracker(hub_subscriber=StubHubSubscriber())
expected_callback_url = '%s/posts/%s/%s' % (settings.APP_URL, sender, search_term)
expected_subscription = Subscription(url='https://www.googleapis.com/buzz/v1/activities/track?q=%s' % search_term, search_term=search_term, callback_url=expected_callback_url)
actual_subscription = tracker.track(sender, search_term)
self.assertEquals(expected_subscription.url, actual_subscription.url)
self.assertEquals(expected_subscription.search_term, actual_subscription.search_term)
def test_tracker_builds_correct_pshb_url(self):
search_term = 'somestring'
tracker = Tracker(hub_subscriber=StubHubSubscriber())
self.assertEquals('https://www.googleapis.com/buzz/v1/activities/track?q=%s' % search_term, tracker._build_subscription_url(search_term))
def test_tracker_url_encodes_search_term(self):
search_term = 'some string'
tracker = Tracker(hub_subscriber=StubHubSubscriber())
self.assertEquals('https://www.googleapis.com/buzz/v1/activities/track?q=' + 'some%20string', tracker._build_subscription_url(search_term))
def _delete_all_subscriptions(self):
for subscription in Subscription.all().fetch(100):
subscription.delete()
def test_tracker_saves_subscription(self):
self._delete_all_subscriptions()
self.assertEquals(0, len(Subscription.all().fetch(100)))
sender = 'foo@example.com'
search_term='somestring'
tracker = Tracker(hub_subscriber=StubHubSubscriber())
subscription = tracker.track(sender, search_term)
self.assertEquals(1, len(Subscription.all().fetch(100)))
self.assertEquals(subscription, Subscription.all().fetch(1)[0])
def test_tracker_subscribes_with_callback_url_that_identifies_subscriber_and_query(self):
sender = 'foo@example.com'
search_term='somestring'
hub_subscriber = StubHubSubscriber()
tracker = Tracker(hub_subscriber=hub_subscriber)
subscription = tracker.track(sender, search_term)
expected_callback_url = '%s/posts?id=%s' % (settings.APP_URL, subscription.id())
self.assertEquals(expected_callback_url, hub_subscriber.callback_url)
def test_tracker_subscribes_with_urlencoded_callback_url(self):
sender = 'foo@example.com'
search_term='some string'
hub_subscriber = StubHubSubscriber()
tracker = Tracker(hub_subscriber=hub_subscriber)
subscription = tracker.track(sender, search_term)
expected_callback_url = '%s/posts?id=%s' % (settings.APP_URL, subscription.id())
self.assertEquals(expected_callback_url, hub_subscriber.callback_url)
def test_tracker_subscribes_with_callback_url_that_identifies_subscriber_and_query_without_xmpp_client_identifier(self):
sender = 'foo@example.com/Adium380DADCD'
search_term='somestring'
hub_subscriber = StubHubSubscriber()
tracker = Tracker(hub_subscriber=hub_subscriber)
subscription = tracker.track(sender, search_term)
expected_callback_url = '%s/posts?id=%s' % (settings.APP_URL, subscription.id())
self.assertEquals(expected_callback_url, hub_subscriber.callback_url)
def test_tracker_rejects_invalid_id_for_untracking(self):
self._delete_all_subscriptions()
sender = 'foo@example.com/Adium380DADCD'
hub_subscriber = StubHubSubscriber()
tracker = Tracker(hub_subscriber=hub_subscriber)
subscription = tracker.untrack(sender, '1')
self.assertEquals(None, subscription)
def test_tracker_untracks_valid_id(self):
self._delete_all_subscriptions()
sender = 'foo@example.com/Adium380DADCD'
search_term='somestring'
hub_subscriber = StubHubSubscriber()
tracker = Tracker(hub_subscriber=hub_subscriber)
track_subscription = tracker.track(sender, search_term)
untrack_subscription = tracker.untrack(sender, track_subscription.id())
self.assertEquals(track_subscription, untrack_subscription)
self.assertFalse(Subscription.exists(track_subscription.id()))
self.assertEquals('%s/posts?id=%s' % (settings.APP_URL, track_subscription.id()), hub_subscriber.callback_url)