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299 lines
16 KiB
Python
299 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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import unittest
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import six
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from scrapy.spiders import Spider
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from scrapy.utils.url import (url_is_from_any_domain, url_is_from_spider,
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canonicalize_url, add_http_if_no_scheme)
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__doctests__ = ['scrapy.utils.url']
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class UrlUtilsTest(unittest.TestCase):
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def test_url_is_from_any_domain(self):
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url = 'http://www.wheele-bin-art.co.uk/get/product/123'
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self.assertTrue(url_is_from_any_domain(url, ['wheele-bin-art.co.uk']))
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self.assertFalse(url_is_from_any_domain(url, ['art.co.uk']))
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url = 'http://wheele-bin-art.co.uk/get/product/123'
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self.assertTrue(url_is_from_any_domain(url, ['wheele-bin-art.co.uk']))
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self.assertFalse(url_is_from_any_domain(url, ['art.co.uk']))
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url = 'http://www.Wheele-Bin-Art.co.uk/get/product/123'
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self.assertTrue(url_is_from_any_domain(url, ['wheele-bin-art.CO.UK']))
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self.assertTrue(url_is_from_any_domain(url, ['WHEELE-BIN-ART.CO.UK']))
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url = 'http://192.169.0.15:8080/mypage.html'
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self.assertTrue(url_is_from_any_domain(url, ['192.169.0.15:8080']))
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self.assertFalse(url_is_from_any_domain(url, ['192.169.0.15']))
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url = 'javascript:%20document.orderform_2581_1190810811.mode.value=%27add%27;%20javascript:%20document.orderform_2581_1190810811.submit%28%29'
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self.assertFalse(url_is_from_any_domain(url, ['testdomain.com']))
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self.assertFalse(url_is_from_any_domain(url+'.testdomain.com', ['testdomain.com']))
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def test_url_is_from_spider(self):
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spider = Spider(name='example.com')
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self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', spider))
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self.assertTrue(url_is_from_spider('http://sub.example.com/some/page.html', spider))
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self.assertFalse(url_is_from_spider('http://www.example.org/some/page.html', spider))
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self.assertFalse(url_is_from_spider('http://www.example.net/some/page.html', spider))
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def test_url_is_from_spider_class_attributes(self):
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class MySpider(Spider):
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name = 'example.com'
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self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', MySpider))
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self.assertTrue(url_is_from_spider('http://sub.example.com/some/page.html', MySpider))
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self.assertFalse(url_is_from_spider('http://www.example.org/some/page.html', MySpider))
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self.assertFalse(url_is_from_spider('http://www.example.net/some/page.html', MySpider))
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def test_url_is_from_spider_with_allowed_domains(self):
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spider = Spider(name='example.com', allowed_domains=['example.org', 'example.net'])
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self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', spider))
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self.assertTrue(url_is_from_spider('http://sub.example.com/some/page.html', spider))
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self.assertTrue(url_is_from_spider('http://example.com/some/page.html', spider))
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self.assertTrue(url_is_from_spider('http://www.example.org/some/page.html', spider))
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self.assertTrue(url_is_from_spider('http://www.example.net/some/page.html', spider))
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self.assertFalse(url_is_from_spider('http://www.example.us/some/page.html', spider))
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spider = Spider(name='example.com', allowed_domains=set(('example.com', 'example.net')))
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self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', spider))
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spider = Spider(name='example.com', allowed_domains=('example.com', 'example.net'))
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self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', spider))
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def test_url_is_from_spider_with_allowed_domains_class_attributes(self):
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class MySpider(Spider):
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name = 'example.com'
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allowed_domains = ('example.org', 'example.net')
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self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', MySpider))
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self.assertTrue(url_is_from_spider('http://sub.example.com/some/page.html', MySpider))
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self.assertTrue(url_is_from_spider('http://example.com/some/page.html', MySpider))
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self.assertTrue(url_is_from_spider('http://www.example.org/some/page.html', MySpider))
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self.assertTrue(url_is_from_spider('http://www.example.net/some/page.html', MySpider))
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self.assertFalse(url_is_from_spider('http://www.example.us/some/page.html', MySpider))
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class CanonicalizeUrlTest(unittest.TestCase):
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def test_canonicalize_url(self):
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# simplest case
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self.assertEqual(canonicalize_url("http://www.example.com/"),
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"http://www.example.com/")
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def test_return_str(self):
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assert isinstance(canonicalize_url(u"http://www.example.com"), str)
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assert isinstance(canonicalize_url(b"http://www.example.com"), str)
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def test_append_missing_path(self):
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self.assertEqual(canonicalize_url("http://www.example.com"),
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"http://www.example.com/")
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def test_typical_usage(self):
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self.assertEqual(canonicalize_url("http://www.example.com/do?a=1&b=2&c=3"),
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"http://www.example.com/do?a=1&b=2&c=3")
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self.assertEqual(canonicalize_url("http://www.example.com/do?c=1&b=2&a=3"),
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"http://www.example.com/do?a=3&b=2&c=1")
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self.assertEqual(canonicalize_url("http://www.example.com/do?&a=1"),
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"http://www.example.com/do?a=1")
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def test_sorting(self):
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self.assertEqual(canonicalize_url("http://www.example.com/do?c=3&b=5&b=2&a=50"),
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"http://www.example.com/do?a=50&b=2&b=5&c=3")
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def test_keep_blank_values(self):
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self.assertEqual(canonicalize_url("http://www.example.com/do?b=&a=2", keep_blank_values=False),
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"http://www.example.com/do?a=2")
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self.assertEqual(canonicalize_url("http://www.example.com/do?b=&a=2"),
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"http://www.example.com/do?a=2&b=")
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self.assertEqual(canonicalize_url("http://www.example.com/do?b=&c&a=2", keep_blank_values=False),
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"http://www.example.com/do?a=2")
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self.assertEqual(canonicalize_url("http://www.example.com/do?b=&c&a=2"),
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"http://www.example.com/do?a=2&b=&c=")
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self.assertEqual(canonicalize_url(u'http://www.example.com/do?1750,4'),
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'http://www.example.com/do?1750%2C4=')
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def test_spaces(self):
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self.assertEqual(canonicalize_url("http://www.example.com/do?q=a space&a=1"),
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"http://www.example.com/do?a=1&q=a+space")
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self.assertEqual(canonicalize_url("http://www.example.com/do?q=a+space&a=1"),
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"http://www.example.com/do?a=1&q=a+space")
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self.assertEqual(canonicalize_url("http://www.example.com/do?q=a%20space&a=1"),
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"http://www.example.com/do?a=1&q=a+space")
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@unittest.skipUnless(six.PY2, "TODO")
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def test_normalize_percent_encoding_in_paths(self):
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self.assertEqual(canonicalize_url("http://www.example.com/a%a3do"),
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"http://www.example.com/a%A3do"),
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@unittest.skipUnless(six.PY2, "TODO")
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def test_normalize_percent_encoding_in_query_arguments(self):
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self.assertEqual(canonicalize_url("http://www.example.com/do?k=b%a3"),
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"http://www.example.com/do?k=b%A3")
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def test_non_ascii_percent_encoding_in_paths(self):
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self.assertEqual(canonicalize_url("http://www.example.com/a do?a=1"),
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"http://www.example.com/a%20do?a=1"),
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self.assertEqual(canonicalize_url("http://www.example.com/a %20do?a=1"),
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"http://www.example.com/a%20%20do?a=1"),
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self.assertEqual(canonicalize_url(u"http://www.example.com/a do£.html?a=1"),
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"http://www.example.com/a%20do%C2%A3.html?a=1")
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self.assertEqual(canonicalize_url(b"http://www.example.com/a do\xc2\xa3.html?a=1"),
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"http://www.example.com/a%20do%C2%A3.html?a=1")
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def test_non_ascii_percent_encoding_in_query_arguments(self):
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self.assertEqual(canonicalize_url(u"http://www.example.com/do?price=\xa3500&a=5&z=3"),
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u"http://www.example.com/do?a=5&price=%C2%A3500&z=3")
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self.assertEqual(canonicalize_url(b"http://www.example.com/do?price=\xc2\xa3500&a=5&z=3"),
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"http://www.example.com/do?a=5&price=%C2%A3500&z=3")
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self.assertEqual(canonicalize_url(b"http://www.example.com/do?price(\xc2\xa3)=500&a=1"),
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"http://www.example.com/do?a=1&price%28%C2%A3%29=500")
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def test_urls_with_auth_and_ports(self):
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self.assertEqual(canonicalize_url(u"http://user:pass@www.example.com:81/do?now=1"),
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u"http://user:pass@www.example.com:81/do?now=1")
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def test_remove_fragments(self):
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self.assertEqual(canonicalize_url(u"http://user:pass@www.example.com/do?a=1#frag"),
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u"http://user:pass@www.example.com/do?a=1")
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self.assertEqual(canonicalize_url(u"http://user:pass@www.example.com/do?a=1#frag", keep_fragments=True),
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u"http://user:pass@www.example.com/do?a=1#frag")
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def test_dont_convert_safe_characters(self):
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# dont convert safe characters to percent encoding representation
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self.assertEqual(canonicalize_url(
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"http://www.simplybedrooms.com/White-Bedroom-Furniture/Bedroom-Mirror:-Josephine-Cheval-Mirror.html"),
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"http://www.simplybedrooms.com/White-Bedroom-Furniture/Bedroom-Mirror:-Josephine-Cheval-Mirror.html")
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@unittest.skipUnless(six.PY2, "TODO")
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def test_safe_characters_unicode(self):
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# urllib.quote uses a mapping cache of encoded characters. when parsing
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# an already percent-encoded url, it will fail if that url was not
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# percent-encoded as utf-8, that's why canonicalize_url must always
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# convert the urls to string. the following test asserts that
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# functionality.
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self.assertEqual(canonicalize_url(u'http://www.example.com/caf%E9-con-leche.htm'),
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'http://www.example.com/caf%E9-con-leche.htm')
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def test_domains_are_case_insensitive(self):
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self.assertEqual(canonicalize_url("http://www.EXAMPLE.com/"),
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"http://www.example.com/")
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def test_quoted_slash_and_question_sign(self):
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self.assertEqual(canonicalize_url("http://foo.com/AC%2FDC+rocks%3f/?yeah=1"),
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"http://foo.com/AC%2FDC+rocks%3F/?yeah=1")
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self.assertEqual(canonicalize_url("http://foo.com/AC%2FDC/"),
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"http://foo.com/AC%2FDC/")
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class AddHttpIfNoScheme(unittest.TestCase):
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def test_add_scheme(self):
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self.assertEqual(add_http_if_no_scheme('www.example.com'),
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'http://www.example.com')
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def test_without_subdomain(self):
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self.assertEqual(add_http_if_no_scheme('example.com'),
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'http://example.com')
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def test_path(self):
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self.assertEqual(add_http_if_no_scheme('www.example.com/some/page.html'),
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'http://www.example.com/some/page.html')
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def test_port(self):
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self.assertEqual(add_http_if_no_scheme('www.example.com:80'),
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'http://www.example.com:80')
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def test_fragment(self):
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self.assertEqual(add_http_if_no_scheme('www.example.com/some/page#frag'),
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'http://www.example.com/some/page#frag')
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def test_query(self):
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self.assertEqual(add_http_if_no_scheme('www.example.com/do?a=1&b=2&c=3'),
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'http://www.example.com/do?a=1&b=2&c=3')
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def test_username_password(self):
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self.assertEqual(add_http_if_no_scheme('username:password@www.example.com'),
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'http://username:password@www.example.com')
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def test_complete_url(self):
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self.assertEqual(add_http_if_no_scheme('username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag'),
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'http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag')
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def test_preserve_http(self):
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self.assertEqual(add_http_if_no_scheme('http://www.example.com'),
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'http://www.example.com')
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def test_preserve_http_without_subdomain(self):
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self.assertEqual(add_http_if_no_scheme('http://example.com'),
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'http://example.com')
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def test_preserve_http_path(self):
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self.assertEqual(add_http_if_no_scheme('http://www.example.com/some/page.html'),
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'http://www.example.com/some/page.html')
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def test_preserve_http_port(self):
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self.assertEqual(add_http_if_no_scheme('http://www.example.com:80'),
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'http://www.example.com:80')
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def test_preserve_http_fragment(self):
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self.assertEqual(add_http_if_no_scheme('http://www.example.com/some/page#frag'),
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'http://www.example.com/some/page#frag')
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def test_preserve_http_query(self):
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self.assertEqual(add_http_if_no_scheme('http://www.example.com/do?a=1&b=2&c=3'),
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'http://www.example.com/do?a=1&b=2&c=3')
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def test_preserve_http_username_password(self):
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self.assertEqual(add_http_if_no_scheme('http://username:password@www.example.com'),
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'http://username:password@www.example.com')
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def test_preserve_http_complete_url(self):
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self.assertEqual(add_http_if_no_scheme('http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag'),
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'http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag')
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def test_protocol_relative(self):
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self.assertEqual(add_http_if_no_scheme('//www.example.com'),
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'http://www.example.com')
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def test_protocol_relative_without_subdomain(self):
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self.assertEqual(add_http_if_no_scheme('//example.com'),
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'http://example.com')
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def test_protocol_relative_path(self):
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self.assertEqual(add_http_if_no_scheme('//www.example.com/some/page.html'),
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'http://www.example.com/some/page.html')
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def test_protocol_relative_port(self):
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self.assertEqual(add_http_if_no_scheme('//www.example.com:80'),
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'http://www.example.com:80')
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def test_protocol_relative_fragment(self):
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self.assertEqual(add_http_if_no_scheme('//www.example.com/some/page#frag'),
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'http://www.example.com/some/page#frag')
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def test_protocol_relative_query(self):
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self.assertEqual(add_http_if_no_scheme('//www.example.com/do?a=1&b=2&c=3'),
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'http://www.example.com/do?a=1&b=2&c=3')
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def test_protocol_relative_username_password(self):
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self.assertEqual(add_http_if_no_scheme('//username:password@www.example.com'),
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'http://username:password@www.example.com')
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def test_protocol_relative_complete_url(self):
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self.assertEqual(add_http_if_no_scheme('//username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag'),
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'http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag')
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def test_preserve_https(self):
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self.assertEqual(add_http_if_no_scheme('https://www.example.com'),
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'https://www.example.com')
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def test_preserve_ftp(self):
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self.assertEqual(add_http_if_no_scheme('ftp://www.example.com'),
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'ftp://www.example.com')
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if __name__ == "__main__":
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unittest.main()
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