def test_update_template_cache_if_feed_id_was_changed(self):
feed = Feed(atom)
str(feed)
template1 = feed._xml
feed.id = uuid4().urn
str(feed)
template2 = feed._xml
self.assertIsNot(template1, template2)
def setUp(self):
self.feed12 = Feed(atom12)
self.feed23 = Feed(atom23)
self.feed34 = Feed(atom34)
def test_allow_to_change_feed_title(self):
feed = Feed(atom)
new_title = feed.title + 'foo'
feed.title = new_title
self.assertEqual(feed.title, new_title)
self.assertEqual(parse(str(feed)).feed.title, new_title)
class TestSetOperations(TestCase):
def setUp(self):
self.feed12 = Feed(atom12)
self.feed23 = Feed(atom23)
self.feed34 = Feed(atom34)
def test_support___and__(self):
feed = self.feed12 & self.feed23
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 1)
self.assertEqual(parsed.entries[0].title, '2')
feed = self.feed12 & self.feed23 & self.feed34
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 0)
def test_support__ge__(self):
self.assertTrue(self.feed12 >= self.feed12)
self.assertTrue((self.feed12 | self.feed23) >= self.feed12)
self.assertFalse(self.feed12 >= (self.feed12 | self.feed23))
def test_support__gt__(self):
self.assertFalse(self.feed12 > self.feed12)
self.assertTrue((self.feed12 | self.feed23) > self.feed12)
self.assertFalse(self.feed12 > (self.feed12 | self.feed23))
def test_support__le__(self):
self.assertTrue(self.feed12 <= self.feed12)
self.assertTrue(self.feed12 <= self.feed12 | self.feed23)
self.assertFalse(self.feed12 <= self.feed23)
def test_support___len__(self):
self.assertEqual(len(self.feed12), 2)
self.assertEqual(len(self.feed12 & self.feed23), 1)
def test_support__lt__(self):
self.assertFalse(self.feed12 < self.feed12)
self.assertTrue(self.feed12 < self.feed12 | self.feed23)
self.assertFalse(self.feed12 < self.feed23)
def test_support___or__(self):
feed = self.feed12 | self.feed23
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 3)
self.assertItemsEqual([entry.title for entry in parsed.entries],
['1', '2', '3'])
feed = self.feed12 | self.feed23 | self.feed34
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 4)
self.assertItemsEqual([entry.title for entry in parsed.entries],
['1', '2', '3', '4'])
def test_support___sub__(self):
feed = self.feed12 - self.feed23
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 1)
self.assertEqual(parsed.entries[0].title, '1')
feed = self.feed23 - self.feed12 - self.feed34
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 0)
def test_support___xor__(self):
feed = self.feed12 ^ self.feed23
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 2)
self.assertItemsEqual([entry.title for entry in parsed.entries],
['1', '3'])
def test_support_difference(self):
feed = self.feed12.difference(self.feed23)
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 1)
self.assertEqual(parsed.entries[0].title, '1')
feed = self.feed23.difference(self.feed12, self.feed34)
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 0)
def test_support_intersection(self):
feed = self.feed12.intersection(self.feed23)
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 1)
self.assertEqual(parsed.entries[0].title, '2')
feed = self.feed12.intersection(self.feed23, self.feed34)
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 0)
def test_support_isdisjoint(self):
self.assertFalse(self.feed12.isdisjoint(self.feed23))
self.assertTrue(self.feed12.isdisjoint(self.feed34))
def test_support_issubset(self):
self.assertTrue(self.feed12.issubset(self.feed12))
self.assertTrue(self.feed12.issubset(self.feed12 | self.feed23))
self.assertFalse(self.feed12.issubset(self.feed23))
def test_support_issuperset(self):
self.assertTrue(self.feed12.issuperset(self.feed12))
self.assertTrue((self.feed12 | self.feed23).issuperset(self.feed12))
self.assertFalse(self.feed12.issuperset(self.feed12 | self.feed23))
def test_support_symmetric_difference(self):
feed = self.feed12.symmetric_difference(self.feed23)
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 2)
self.assertItemsEqual([entry.title for entry in parsed.entries],
['1', '3'])
def test_support_union(self):
feed = self.feed12.union(self.feed23)
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 3)
self.assertItemsEqual([entry.title for entry in parsed.entries],
['1', '2', '3'])
feed = self.feed12.union(self.feed23, self.feed34)
parsed = parse(str(feed))
self.assertEqual(len(parsed.entries), 4)
self.assertItemsEqual([entry.title for entry in parsed.entries],
['1', '2', '3', '4'])
def test_dont_support___contains__(self):
with self.assertRaises(TypeError):
'foo' in Feed(atom)
def test_dont_support_copy(self):
with self.assertRaises(AttributeError):
Feed(atom).copy()
def test_allow_to_change_feed_id(self):
feed = Feed(atom)
new_id = uuid4().urn
feed.id = new_id
self.assertEqual(feed.id, new_id)
self.assertEqual(parse(str(feed)).feed.id, new_id)
