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import unittest
import warnings
import six
from scrapy.link import Link
class LinkTest(unittest.TestCase):
def _assert_same_links(self, link1, link2):
self.assertEqual(link1, link2)
self.assertEqual(hash(link1), hash(link2))
def _assert_different_links(self, link1, link2):
self.assertNotEqual(link1, link2)
self.assertNotEqual(hash(link1), hash(link2))
def test_eq_and_hash(self):
l1 = Link("http://www.example.com")
l2 = Link("http://www.example.com/other")
l3 = Link("http://www.example.com")
self._assert_same_links(l1, l1)
self._assert_different_links(l1, l2)
self._assert_same_links(l1, l3)
l4 = Link("http://www.example.com", text="test")
l5 = Link("http://www.example.com", text="test2")
l6 = Link("http://www.example.com", text="test")
self._assert_same_links(l4, l4)
self._assert_different_links(l4, l5)
self._assert_same_links(l4, l6)
l7 = Link("http://www.example.com", text="test", fragment='something', nofollow=False)
l8 = Link("http://www.example.com", text="test", fragment='something', nofollow=False)
l9 = Link("http://www.example.com", text="test", fragment='something', nofollow=True)
l10 = Link("http://www.example.com", text="test", fragment='other', nofollow=False)
self._assert_same_links(l7, l8)
self._assert_different_links(l7, l9)
self._assert_different_links(l7, l10)
def test_repr(self):
l1 = Link("http://www.example.com", text="test", fragment='something', nofollow=True)
l2 = eval(repr(l1))
self._assert_same_links(l1, l2)
def test_non_str_url_py2(self):
if six.PY2:
with warnings.catch_warnings(record=True) as w:
link = Link(u"http://www.example.com/\xa3")
self.assertIsInstance(link.url, str)
self.assertEqual(link.url, b'http://www.example.com/\xc2\xa3')
assert len(w) == 1, "warning not issued"
else:
with self.assertRaises(TypeError):
Link(b"http://www.example.com/\xc2\xa3")
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