scrapy/tests/test_utils_url.py

246 lines
12 KiB
Python

# -*- coding: utf-8 -*-
import unittest
import six
from six.moves.urllib.parse import urlparse
from scrapy.spiders import Spider
from scrapy.utils.url import (url_is_from_any_domain, url_is_from_spider,
add_http_if_no_scheme, guess_scheme, parse_url)
__doctests__ = ['scrapy.utils.url']
class UrlUtilsTest(unittest.TestCase):
def test_url_is_from_any_domain(self):
url = 'http://www.wheele-bin-art.co.uk/get/product/123'
self.assertTrue(url_is_from_any_domain(url, ['wheele-bin-art.co.uk']))
self.assertFalse(url_is_from_any_domain(url, ['art.co.uk']))
url = 'http://wheele-bin-art.co.uk/get/product/123'
self.assertTrue(url_is_from_any_domain(url, ['wheele-bin-art.co.uk']))
self.assertFalse(url_is_from_any_domain(url, ['art.co.uk']))
url = 'http://www.Wheele-Bin-Art.co.uk/get/product/123'
self.assertTrue(url_is_from_any_domain(url, ['wheele-bin-art.CO.UK']))
self.assertTrue(url_is_from_any_domain(url, ['WHEELE-BIN-ART.CO.UK']))
url = 'http://192.169.0.15:8080/mypage.html'
self.assertTrue(url_is_from_any_domain(url, ['192.169.0.15:8080']))
self.assertFalse(url_is_from_any_domain(url, ['192.169.0.15']))
url = 'javascript:%20document.orderform_2581_1190810811.mode.value=%27add%27;%20javascript:%20document.orderform_2581_1190810811.submit%28%29'
self.assertFalse(url_is_from_any_domain(url, ['testdomain.com']))
self.assertFalse(url_is_from_any_domain(url+'.testdomain.com', ['testdomain.com']))
def test_url_is_from_spider(self):
spider = Spider(name='example.com')
self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', spider))
self.assertTrue(url_is_from_spider('http://sub.example.com/some/page.html', spider))
self.assertFalse(url_is_from_spider('http://www.example.org/some/page.html', spider))
self.assertFalse(url_is_from_spider('http://www.example.net/some/page.html', spider))
def test_url_is_from_spider_class_attributes(self):
class MySpider(Spider):
name = 'example.com'
self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', MySpider))
self.assertTrue(url_is_from_spider('http://sub.example.com/some/page.html', MySpider))
self.assertFalse(url_is_from_spider('http://www.example.org/some/page.html', MySpider))
self.assertFalse(url_is_from_spider('http://www.example.net/some/page.html', MySpider))
def test_url_is_from_spider_with_allowed_domains(self):
spider = Spider(name='example.com', allowed_domains=['example.org', 'example.net'])
self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', spider))
self.assertTrue(url_is_from_spider('http://sub.example.com/some/page.html', spider))
self.assertTrue(url_is_from_spider('http://example.com/some/page.html', spider))
self.assertTrue(url_is_from_spider('http://www.example.org/some/page.html', spider))
self.assertTrue(url_is_from_spider('http://www.example.net/some/page.html', spider))
self.assertFalse(url_is_from_spider('http://www.example.us/some/page.html', spider))
spider = Spider(name='example.com', allowed_domains=set(('example.com', 'example.net')))
self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', spider))
spider = Spider(name='example.com', allowed_domains=('example.com', 'example.net'))
self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', spider))
def test_url_is_from_spider_with_allowed_domains_class_attributes(self):
class MySpider(Spider):
name = 'example.com'
allowed_domains = ('example.org', 'example.net')
self.assertTrue(url_is_from_spider('http://www.example.com/some/page.html', MySpider))
self.assertTrue(url_is_from_spider('http://sub.example.com/some/page.html', MySpider))
self.assertTrue(url_is_from_spider('http://example.com/some/page.html', MySpider))
self.assertTrue(url_is_from_spider('http://www.example.org/some/page.html', MySpider))
self.assertTrue(url_is_from_spider('http://www.example.net/some/page.html', MySpider))
self.assertFalse(url_is_from_spider('http://www.example.us/some/page.html', MySpider))
class AddHttpIfNoScheme(unittest.TestCase):
def test_add_scheme(self):
self.assertEqual(add_http_if_no_scheme('www.example.com'),
'http://www.example.com')
def test_without_subdomain(self):
self.assertEqual(add_http_if_no_scheme('example.com'),
'http://example.com')
def test_path(self):
self.assertEqual(add_http_if_no_scheme('www.example.com/some/page.html'),
'http://www.example.com/some/page.html')
def test_port(self):
self.assertEqual(add_http_if_no_scheme('www.example.com:80'),
'http://www.example.com:80')
def test_fragment(self):
self.assertEqual(add_http_if_no_scheme('www.example.com/some/page#frag'),
'http://www.example.com/some/page#frag')
def test_query(self):
self.assertEqual(add_http_if_no_scheme('www.example.com/do?a=1&b=2&c=3'),
'http://www.example.com/do?a=1&b=2&c=3')
def test_username_password(self):
self.assertEqual(add_http_if_no_scheme('username:password@www.example.com'),
'http://username:password@www.example.com')
def test_complete_url(self):
self.assertEqual(add_http_if_no_scheme('username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag'),
'http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag')
def test_preserve_http(self):
self.assertEqual(add_http_if_no_scheme('http://www.example.com'),
'http://www.example.com')
def test_preserve_http_without_subdomain(self):
self.assertEqual(add_http_if_no_scheme('http://example.com'),
'http://example.com')
def test_preserve_http_path(self):
self.assertEqual(add_http_if_no_scheme('http://www.example.com/some/page.html'),
'http://www.example.com/some/page.html')
def test_preserve_http_port(self):
self.assertEqual(add_http_if_no_scheme('http://www.example.com:80'),
'http://www.example.com:80')
def test_preserve_http_fragment(self):
self.assertEqual(add_http_if_no_scheme('http://www.example.com/some/page#frag'),
'http://www.example.com/some/page#frag')
def test_preserve_http_query(self):
self.assertEqual(add_http_if_no_scheme('http://www.example.com/do?a=1&b=2&c=3'),
'http://www.example.com/do?a=1&b=2&c=3')
def test_preserve_http_username_password(self):
self.assertEqual(add_http_if_no_scheme('http://username:password@www.example.com'),
'http://username:password@www.example.com')
def test_preserve_http_complete_url(self):
self.assertEqual(add_http_if_no_scheme('http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag'),
'http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag')
def test_protocol_relative(self):
self.assertEqual(add_http_if_no_scheme('//www.example.com'),
'http://www.example.com')
def test_protocol_relative_without_subdomain(self):
self.assertEqual(add_http_if_no_scheme('//example.com'),
'http://example.com')
def test_protocol_relative_path(self):
self.assertEqual(add_http_if_no_scheme('//www.example.com/some/page.html'),
'http://www.example.com/some/page.html')
def test_protocol_relative_port(self):
self.assertEqual(add_http_if_no_scheme('//www.example.com:80'),
'http://www.example.com:80')
def test_protocol_relative_fragment(self):
self.assertEqual(add_http_if_no_scheme('//www.example.com/some/page#frag'),
'http://www.example.com/some/page#frag')
def test_protocol_relative_query(self):
self.assertEqual(add_http_if_no_scheme('//www.example.com/do?a=1&b=2&c=3'),
'http://www.example.com/do?a=1&b=2&c=3')
def test_protocol_relative_username_password(self):
self.assertEqual(add_http_if_no_scheme('//username:password@www.example.com'),
'http://username:password@www.example.com')
def test_protocol_relative_complete_url(self):
self.assertEqual(add_http_if_no_scheme('//username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag'),
'http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag')
def test_preserve_https(self):
self.assertEqual(add_http_if_no_scheme('https://www.example.com'),
'https://www.example.com')
def test_preserve_ftp(self):
self.assertEqual(add_http_if_no_scheme('ftp://www.example.com'),
'ftp://www.example.com')
class GuessSchemeTest(unittest.TestCase):
pass
def create_guess_scheme_t(args):
def do_expected(self):
url = guess_scheme(args[0])
assert url.startswith(args[1]), \
'Wrong scheme guessed: for `%s` got `%s`, expected `%s...`' % (
args[0], url, args[1])
return do_expected
def create_skipped_scheme_t(args):
def do_expected(self):
raise unittest.SkipTest(args[2])
url = guess_scheme(args[0])
assert url.startswith(args[1])
return do_expected
for k, args in enumerate ([
('/index', 'file://'),
('/index.html', 'file://'),
('./index.html', 'file://'),
('../index.html', 'file://'),
('../../index.html', 'file://'),
('./data/index.html', 'file://'),
('.hidden/data/index.html', 'file://'),
('/home/user/www/index.html', 'file://'),
('//home/user/www/index.html', 'file://'),
('file:///home/user/www/index.html', 'file://'),
('index.html', 'http://'),
('example.com', 'http://'),
('www.example.com', 'http://'),
('www.example.com/index.html', 'http://'),
('http://example.com', 'http://'),
('http://example.com/index.html', 'http://'),
('localhost', 'http://'),
('localhost/index.html', 'http://'),
# some corner cases (default to http://)
('/', 'http://'),
('.../test', 'http://'),
], start=1):
t_method = create_guess_scheme_t(args)
t_method.__name__ = 'test_uri_%03d' % k
setattr (GuessSchemeTest, t_method.__name__, t_method)
# TODO: the following tests do not pass with current implementation
for k, args in enumerate ([
('C:\absolute\path\to\a\file.html', 'file://',
'Windows filepath are not supported for scrapy shell'),
], start=1):
t_method = create_skipped_scheme_t(args)
t_method.__name__ = 'test_uri_skipped_%03d' % k
setattr (GuessSchemeTest, t_method.__name__, t_method)
if __name__ == "__main__":
unittest.main()