django/tests/syndication_tests/tests.py

518 lines
20 KiB
Python
Raw Normal View History

import datetime
from xml.dom import minidom
from django.contrib.sites.models import Site
from django.contrib.syndication import views
from django.core.exceptions import ImproperlyConfigured
from django.test import TestCase, override_settings
from django.test.utils import requires_tz_support
from django.utils import timezone
from django.utils.feedgenerator import rfc2822_date, rfc3339_date
from .models import Article, Entry
TZ = timezone.get_default_timezone()
class FeedTestCase(TestCase):
@classmethod
def setUpTestData(cls):
cls.e1 = Entry.objects.create(
title='My first entry', updated=datetime.datetime(1980, 1, 1, 12, 30),
published=datetime.datetime(1986, 9, 25, 20, 15, 00)
)
cls.e2 = Entry.objects.create(
title='My second entry', updated=datetime.datetime(2008, 1, 2, 12, 30),
published=datetime.datetime(2006, 3, 17, 18, 0)
)
cls.e3 = Entry.objects.create(
title='My third entry', updated=datetime.datetime(2008, 1, 2, 13, 30),
published=datetime.datetime(2005, 6, 14, 10, 45)
)
cls.e4 = Entry.objects.create(
title='A & B < C > D', updated=datetime.datetime(2008, 1, 3, 13, 30),
published=datetime.datetime(2005, 11, 25, 12, 11, 23)
)
cls.e5 = Entry.objects.create(
title='My last entry', updated=datetime.datetime(2013, 1, 20, 0, 0),
published=datetime.datetime(2013, 3, 25, 20, 0)
)
cls.a1 = Article.objects.create(title='My first article', entry=cls.e1)
def assertChildNodes(self, elem, expected):
actual = {n.nodeName for n in elem.childNodes}
expected = set(expected)
self.assertEqual(actual, expected)
def assertChildNodeContent(self, elem, expected):
for k, v in expected.items():
self.assertEqual(
elem.getElementsByTagName(k)[0].firstChild.wholeText, v)
def assertCategories(self, elem, expected):
self.assertEqual(
{i.firstChild.wholeText for i in elem.childNodes if i.nodeName == 'category'},
set(expected)
)
@override_settings(ROOT_URLCONF='syndication_tests.urls')
class SyndicationFeedTest(FeedTestCase):
"""
Tests for the high-level syndication feed framework.
"""
@classmethod
def setUpClass(cls):
super().setUpClass()
# This cleanup is necessary because contrib.sites cache
# makes tests interfere with each other, see #11505
Site.objects.clear_cache()
def test_rss2_feed(self):
"""
Test the structure and content of feeds generated by Rss201rev2Feed.
"""
response = self.client.get('/syndication/rss2/')
doc = minidom.parseString(response.content)
# Making sure there's only 1 `rss` element and that the correct
# RSS version was specified.
feed_elem = doc.getElementsByTagName('rss')
self.assertEqual(len(feed_elem), 1)
feed = feed_elem[0]
self.assertEqual(feed.getAttribute('version'), '2.0')
# Making sure there's only one `channel` element w/in the
# `rss` element.
chan_elem = feed.getElementsByTagName('channel')
self.assertEqual(len(chan_elem), 1)
chan = chan_elem[0]
# Find the last build date
d = Entry.objects.latest('published').published
last_build_date = rfc2822_date(timezone.make_aware(d, TZ))
self.assertChildNodes(
chan, [
'title', 'link', 'description', 'language', 'lastBuildDate',
'item', 'atom:link', 'ttl', 'copyright', 'category',
]
)
self.assertChildNodeContent(chan, {
'title': 'My blog',
'description': 'A more thorough description of my blog.',
'link': 'http://example.com/blog/',
'language': 'en',
'lastBuildDate': last_build_date,
'ttl': '600',
'copyright': 'Copyright (c) 2007, Sally Smith',
})
self.assertCategories(chan, ['python', 'django'])
# Ensure the content of the channel is correct
self.assertChildNodeContent(chan, {
'title': 'My blog',
'link': 'http://example.com/blog/',
})
# Check feed_url is passed
self.assertEqual(
chan.getElementsByTagName('atom:link')[0].getAttribute('href'),
'http://example.com/syndication/rss2/'
)
# Find the pubdate of the first feed item
d = Entry.objects.get(pk=1).published
pub_date = rfc2822_date(timezone.make_aware(d, TZ))
items = chan.getElementsByTagName('item')
self.assertEqual(len(items), Entry.objects.count())
self.assertChildNodeContent(items[0], {
'title': 'My first entry',
'description': 'Overridden description: My first entry',
'link': 'http://example.com/blog/1/',
'guid': 'http://example.com/blog/1/',
'pubDate': pub_date,
'author': 'test@example.com (Sally Smith)',
})
self.assertCategories(items[0], ['python', 'testing'])
for item in items:
self.assertChildNodes(item, ['title', 'link', 'description', 'guid', 'category', 'pubDate', 'author'])
# Assert that <guid> does not have any 'isPermaLink' attribute
self.assertIsNone(item.getElementsByTagName(
'guid')[0].attributes.get('isPermaLink'))
def test_rss2_feed_guid_permalink_false(self):
"""
Test if the 'isPermaLink' attribute of <guid> element of an item
in the RSS feed is 'false'.
"""
response = self.client.get(
'/syndication/rss2/guid_ispermalink_false/')
doc = minidom.parseString(response.content)
chan = doc.getElementsByTagName(
'rss')[0].getElementsByTagName('channel')[0]
items = chan.getElementsByTagName('item')
for item in items:
self.assertEqual(
item.getElementsByTagName('guid')[0].attributes.get(
'isPermaLink').value, "false")
def test_rss2_feed_guid_permalink_true(self):
"""
Test if the 'isPermaLink' attribute of <guid> element of an item
in the RSS feed is 'true'.
"""
response = self.client.get(
'/syndication/rss2/guid_ispermalink_true/')
doc = minidom.parseString(response.content)
chan = doc.getElementsByTagName(
'rss')[0].getElementsByTagName('channel')[0]
items = chan.getElementsByTagName('item')
for item in items:
self.assertEqual(
item.getElementsByTagName('guid')[0].attributes.get(
'isPermaLink').value, "true")
def test_rss2_single_enclosure(self):
response = self.client.get('/syndication/rss2/single-enclosure/')
doc = minidom.parseString(response.content)
chan = doc.getElementsByTagName('rss')[0].getElementsByTagName('channel')[0]
items = chan.getElementsByTagName('item')
for item in items:
enclosures = item.getElementsByTagName('enclosure')
self.assertEqual(len(enclosures), 1)
def test_rss2_multiple_enclosures(self):
with self.assertRaisesMessage(
ValueError,
"RSS feed items may only have one enclosure, see "
"http://www.rssboard.org/rss-profile#element-channel-item-enclosure"
):
self.client.get('/syndication/rss2/multiple-enclosure/')
def test_rss091_feed(self):
"""
Test the structure and content of feeds generated by RssUserland091Feed.
"""
response = self.client.get('/syndication/rss091/')
doc = minidom.parseString(response.content)
# Making sure there's only 1 `rss` element and that the correct
# RSS version was specified.
feed_elem = doc.getElementsByTagName('rss')
self.assertEqual(len(feed_elem), 1)
feed = feed_elem[0]
self.assertEqual(feed.getAttribute('version'), '0.91')
# Making sure there's only one `channel` element w/in the
# `rss` element.
chan_elem = feed.getElementsByTagName('channel')
self.assertEqual(len(chan_elem), 1)
chan = chan_elem[0]
self.assertChildNodes(
chan, [
'title', 'link', 'description', 'language', 'lastBuildDate',
'item', 'atom:link', 'ttl', 'copyright', 'category',
]
)
# Ensure the content of the channel is correct
self.assertChildNodeContent(chan, {
'title': 'My blog',
'link': 'http://example.com/blog/',
})
self.assertCategories(chan, ['python', 'django'])
# Check feed_url is passed
self.assertEqual(
chan.getElementsByTagName('atom:link')[0].getAttribute('href'),
'http://example.com/syndication/rss091/'
)
items = chan.getElementsByTagName('item')
self.assertEqual(len(items), Entry.objects.count())
self.assertChildNodeContent(items[0], {
'title': 'My first entry',
'description': 'Overridden description: My first entry',
'link': 'http://example.com/blog/1/',
})
for item in items:
self.assertChildNodes(item, ['title', 'link', 'description'])
self.assertCategories(item, [])
def test_atom_feed(self):
"""
Test the structure and content of feeds generated by Atom1Feed.
"""
response = self.client.get('/syndication/atom/')
feed = minidom.parseString(response.content).firstChild
self.assertEqual(feed.nodeName, 'feed')
self.assertEqual(feed.getAttribute('xmlns'), 'http://www.w3.org/2005/Atom')
self.assertChildNodes(
feed,
['title', 'subtitle', 'link', 'id', 'updated', 'entry', 'rights', 'category', 'author']
)
for link in feed.getElementsByTagName('link'):
if link.getAttribute('rel') == 'self':
self.assertEqual(link.getAttribute('href'), 'http://example.com/syndication/atom/')
entries = feed.getElementsByTagName('entry')
self.assertEqual(len(entries), Entry.objects.count())
for entry in entries:
self.assertChildNodes(entry, [
'title',
'link',
'id',
'summary',
'category',
'updated',
'published',
'rights',
'author',
])
summary = entry.getElementsByTagName('summary')[0]
self.assertEqual(summary.getAttribute('type'), 'html')
def test_atom_feed_published_and_updated_elements(self):
"""
The published and updated elements are not
the same and now adhere to RFC 4287.
"""
response = self.client.get('/syndication/atom/')
feed = minidom.parseString(response.content).firstChild
entries = feed.getElementsByTagName('entry')
published = entries[0].getElementsByTagName('published')[0].firstChild.wholeText
updated = entries[0].getElementsByTagName('updated')[0].firstChild.wholeText
self.assertNotEqual(published, updated)
def test_atom_single_enclosure(self):
response = self.client.get('/syndication/atom/single-enclosure/')
feed = minidom.parseString(response.content).firstChild
items = feed.getElementsByTagName('entry')
for item in items:
links = item.getElementsByTagName('link')
links = [link for link in links if link.getAttribute('rel') == 'enclosure']
self.assertEqual(len(links), 1)
def test_atom_multiple_enclosures(self):
response = self.client.get('/syndication/atom/multiple-enclosure/')
feed = minidom.parseString(response.content).firstChild
items = feed.getElementsByTagName('entry')
for item in items:
links = item.getElementsByTagName('link')
links = [link for link in links if link.getAttribute('rel') == 'enclosure']
self.assertEqual(len(links), 2)
def test_latest_post_date(self):
"""
Both the published and updated dates are
considered when determining the latest post date.
"""
# this feed has a `published` element with the latest date
response = self.client.get('/syndication/atom/')
feed = minidom.parseString(response.content).firstChild
updated = feed.getElementsByTagName('updated')[0].firstChild.wholeText
d = Entry.objects.latest('published').published
latest_published = rfc3339_date(timezone.make_aware(d, TZ))
self.assertEqual(updated, latest_published)
# this feed has an `updated` element with the latest date
response = self.client.get('/syndication/latest/')
feed = minidom.parseString(response.content).firstChild
updated = feed.getElementsByTagName('updated')[0].firstChild.wholeText
d = Entry.objects.exclude(pk=5).latest('updated').updated
latest_updated = rfc3339_date(timezone.make_aware(d, TZ))
self.assertEqual(updated, latest_updated)
def test_custom_feed_generator(self):
response = self.client.get('/syndication/custom/')
feed = minidom.parseString(response.content).firstChild
self.assertEqual(feed.nodeName, 'feed')
self.assertEqual(feed.getAttribute('django'), 'rocks')
self.assertChildNodes(
feed,
['title', 'subtitle', 'link', 'id', 'updated', 'entry', 'spam', 'rights', 'category', 'author']
)
entries = feed.getElementsByTagName('entry')
self.assertEqual(len(entries), Entry.objects.count())
for entry in entries:
self.assertEqual(entry.getAttribute('bacon'), 'yum')
self.assertChildNodes(entry, [
'title',
'link',
'id',
'summary',
'ministry',
'rights',
'author',
'updated',
'published',
'category',
])
summary = entry.getElementsByTagName('summary')[0]
self.assertEqual(summary.getAttribute('type'), 'html')
def test_title_escaping(self):
"""
Titles are escaped correctly in RSS feeds.
"""
response = self.client.get('/syndication/rss2/')
doc = minidom.parseString(response.content)
for item in doc.getElementsByTagName('item'):
link = item.getElementsByTagName('link')[0]
if link.firstChild.wholeText == 'http://example.com/blog/4/':
title = item.getElementsByTagName('title')[0]
self.assertEqual(title.firstChild.wholeText, 'A &amp; B &lt; C &gt; D')
def test_naive_datetime_conversion(self):
"""
Datetimes are correctly converted to the local time zone.
"""
# Naive date times passed in get converted to the local time zone, so
# check the received zone offset against the local offset.
response = self.client.get('/syndication/naive-dates/')
doc = minidom.parseString(response.content)
updated = doc.getElementsByTagName('updated')[0].firstChild.wholeText
d = Entry.objects.latest('published').published
latest = rfc3339_date(timezone.make_aware(d, TZ))
self.assertEqual(updated, latest)
def test_aware_datetime_conversion(self):
"""
Datetimes with timezones don't get trodden on.
"""
response = self.client.get('/syndication/aware-dates/')
doc = minidom.parseString(response.content)
published = doc.getElementsByTagName('published')[0].firstChild.wholeText
self.assertEqual(published[-6:], '+00:42')
@requires_tz_support
def test_feed_last_modified_time_naive_date(self):
"""
Tests the Last-Modified header with naive publication dates.
"""
response = self.client.get('/syndication/naive-dates/')
self.assertEqual(response['Last-Modified'], 'Tue, 26 Mar 2013 01:00:00 GMT')
def test_feed_last_modified_time(self):
"""
Tests the Last-Modified header with aware publication dates.
"""
response = self.client.get('/syndication/aware-dates/')
self.assertEqual(response['Last-Modified'], 'Mon, 25 Mar 2013 19:18:00 GMT')
# No last-modified when feed has no item_pubdate
response = self.client.get('/syndication/no_pubdate/')
self.assertFalse(response.has_header('Last-Modified'))
def test_feed_url(self):
"""
The feed_url can be overridden.
"""
response = self.client.get('/syndication/feedurl/')
doc = minidom.parseString(response.content)
for link in doc.getElementsByTagName('link'):
if link.getAttribute('rel') == 'self':
self.assertEqual(link.getAttribute('href'), 'http://example.com/customfeedurl/')
def test_secure_urls(self):
"""
Test URLs are prefixed with https:// when feed is requested over HTTPS.
"""
response = self.client.get('/syndication/rss2/', **{
'wsgi.url_scheme': 'https',
})
doc = minidom.parseString(response.content)
chan = doc.getElementsByTagName('channel')[0]
self.assertEqual(
chan.getElementsByTagName('link')[0].firstChild.wholeText[0:5],
'https'
)
atom_link = chan.getElementsByTagName('atom:link')[0]
self.assertEqual(atom_link.getAttribute('href')[0:5], 'https')
for link in doc.getElementsByTagName('link'):
if link.getAttribute('rel') == 'self':
self.assertEqual(link.getAttribute('href')[0:5], 'https')
def test_item_link_error(self):
"""
An ImproperlyConfigured is raised if no link could be found for the
item(s).
"""
with self.assertRaises(ImproperlyConfigured):
self.client.get('/syndication/articles/')
def test_template_feed(self):
"""
The item title and description can be overridden with templates.
"""
response = self.client.get('/syndication/template/')
doc = minidom.parseString(response.content)
feed = doc.getElementsByTagName('rss')[0]
chan = feed.getElementsByTagName('channel')[0]
items = chan.getElementsByTagName('item')
self.assertChildNodeContent(items[0], {
'title': 'Title in your templates: My first entry\n',
'description': 'Description in your templates: My first entry\n',
'link': 'http://example.com/blog/1/',
})
def test_template_context_feed(self):
"""
Custom context data can be passed to templates for title
and description.
"""
response = self.client.get('/syndication/template_context/')
doc = minidom.parseString(response.content)
feed = doc.getElementsByTagName('rss')[0]
chan = feed.getElementsByTagName('channel')[0]
items = chan.getElementsByTagName('item')
self.assertChildNodeContent(items[0], {
'title': 'My first entry (foo is bar)\n',
'description': 'My first entry (foo is bar)\n',
})
def test_add_domain(self):
"""
add_domain() prefixes domains onto the correct URLs.
"""
self.assertEqual(
views.add_domain('example.com', '/foo/?arg=value'),
'http://example.com/foo/?arg=value'
)
self.assertEqual(
views.add_domain('example.com', '/foo/?arg=value', True),
'https://example.com/foo/?arg=value'
)
self.assertEqual(
views.add_domain('example.com', 'http://djangoproject.com/doc/'),
'http://djangoproject.com/doc/'
)
self.assertEqual(
views.add_domain('example.com', 'https://djangoproject.com/doc/'),
'https://djangoproject.com/doc/'
)
self.assertEqual(
views.add_domain('example.com', 'mailto:uhoh@djangoproject.com'),
'mailto:uhoh@djangoproject.com'
)
self.assertEqual(
views.add_domain('example.com', '//example.com/foo/?arg=value'),
'http://example.com/foo/?arg=value'
)