def test_raises_KeyError_when_feed_is_not_registered (self):
library = FeedLibrary()
record = Mock()
record.feed_type = 'nonexistent'
with self.assertRaises(KeyError):
library.get_feed(record)
def test_causes_the_same_content_feed_to_be_returned_on_different_calls_to_getFeed (self):
library = FeedLibrary(shared=False)
library.register(ListItemFeed, 'li')
feed = ListItemFeed('[1, 2, 3]')
record = library.get_record(feed)
self.assertIs(feed, library.get_feed(record))
def test_doesnt_return_the_same_feed_from_different_libraries (self):
library1 = FeedLibrary(shared=False)
library1.register(ListItemFeed, 'li')
library2 = FeedLibrary(shared=False)
library2.register(ListItemFeed, 'li')
feed = ListItemFeed('[1, 2, 3]')
record = library1.get_record(feed)
self.assertIsNot(feed, library2.get_feed(record))
