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Distributed under the MIT License.
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#! /usr/bin/env python

from test import test_support
import unittest
import urlparse

RFC1808_BASE = "http://a/b/c/d;p?q#f"
RFC2396_BASE = "http://a/b/c/d;p?q"

class UrlParseTestCase(unittest.TestCase):

    def checkRoundtrips(self, url, parsed, split):
        result = urlparse.urlparse(url)
        self.assertEqual(result, parsed)
        t = (result.scheme, result.netloc, result.path,
             result.params, result.query, result.fragment)
        self.assertEqual(t, parsed)
        # put it back together and it should be the same
        result2 = urlparse.urlunparse(result)
        self.assertEqual(result2, url)
        self.assertEqual(result2, result.geturl())

        # the result of geturl() is a fixpoint; we can always parse it
        # again to get the same result:
        result3 = urlparse.urlparse(result.geturl())
        self.assertEqual(result3.geturl(), result.geturl())
        self.assertEqual(result3,          result)
        self.assertEqual(result3.scheme,   result.scheme)
        self.assertEqual(result3.netloc,   result.netloc)
        self.assertEqual(result3.path,     result.path)
        self.assertEqual(result3.params,   result.params)
        self.assertEqual(result3.query,    result.query)
        self.assertEqual(result3.fragment, result.fragment)
        self.assertEqual(result3.username, result.username)
        self.assertEqual(result3.password, result.password)
        self.assertEqual(result3.hostname, result.hostname)
        self.assertEqual(result3.port,     result.port)

        # check the roundtrip using urlsplit() as well
        result = urlparse.urlsplit(url)
        self.assertEqual(result, split)
        t = (result.scheme, result.netloc, result.path,
             result.query, result.fragment)
        self.assertEqual(t, split)
        result2 = urlparse.urlunsplit(result)
        self.assertEqual(result2, url)
        self.assertEqual(result2, result.geturl())

        # check the fixpoint property of re-parsing the result of geturl()
        result3 = urlparse.urlsplit(result.geturl())
        self.assertEqual(result3.geturl(), result.geturl())
        self.assertEqual(result3,          result)
        self.assertEqual(result3.scheme,   result.scheme)
        self.assertEqual(result3.netloc,   result.netloc)
        self.assertEqual(result3.path,     result.path)
        self.assertEqual(result3.query,    result.query)
        self.assertEqual(result3.fragment, result.fragment)
        self.assertEqual(result3.username, result.username)
        self.assertEqual(result3.password, result.password)
        self.assertEqual(result3.hostname, result.hostname)
        self.assertEqual(result3.port,     result.port)

    def test_roundtrips(self):
        testcases = [
            ('file:///tmp/junk.txt',
             ('file', '', '/tmp/junk.txt', '', '', ''),
             ('file', '', '/tmp/junk.txt', '', '')),
            ('imap://mail.python.org/mbox1',
             ('imap', 'mail.python.org', '/mbox1', '', '', ''),
             ('imap', 'mail.python.org', '/mbox1', '', '')),
            ('mms://wms.sys.hinet.net/cts/Drama/09006251100.asf',
             ('mms', 'wms.sys.hinet.net', '/cts/Drama/09006251100.asf',
              '', '', ''),
             ('mms', 'wms.sys.hinet.net', '/cts/Drama/09006251100.asf',
              '', '')),
            ('svn+ssh://svn.zope.org/repos/main/ZConfig/trunk/',
             ('svn+ssh', 'svn.zope.org', '/repos/main/ZConfig/trunk/',
              '', '', ''),
             ('svn+ssh', 'svn.zope.org', '/repos/main/ZConfig/trunk/',
              '', ''))
            ]
        for url, parsed, split in testcases:
            self.checkRoundtrips(url, parsed, split)

    def test_http_roundtrips(self):
        # urlparse.urlsplit treats 'http:' as an optimized special case,
        # so we test both 'http:' and 'https:' in all the following.
        # Three cheers for white box knowledge!
        testcases = [
            ('://www.python.org',
             ('www.python.org', '', '', '', ''),
             ('www.python.org', '', '', '')),
            ('://www.python.org#abc',
             ('www.python.org', '', '', '', 'abc'),
             ('www.python.org', '', '', 'abc')),
            ('://www.python.org?q=abc',
             ('www.python.org', '', '', 'q=abc', ''),
             ('www.python.org', '', 'q=abc', '')),
            ('://www.python.org/#abc',
             ('www.python.org', '/', '', '', 'abc'),
             ('www.python.org', '/', '', 'abc')),
            ('://a/b/c/d;p?q#f',
             ('a', '/b/c/d', 'p', 'q', 'f'),
             ('a', '/b/c/d;p', 'q', 'f')),
            ]
        for scheme in ('http', 'https'):
            for url, parsed, split in testcases:
                url = scheme + url
                parsed = (scheme,) + parsed
                split = (scheme,) + split
                self.checkRoundtrips(url, parsed, split)

    def checkJoin(self, base, relurl, expected):
        self.assertEqual(urlparse.urljoin(base, relurl), expected,
                         (base, relurl, expected))

    def test_unparse_parse(self):
        for u in ['Python', './Python']:
            self.assertEqual(urlparse.urlunsplit(urlparse.urlsplit(u)), u)
            self.assertEqual(urlparse.urlunparse(urlparse.urlparse(u)), u)

    def test_RFC1808(self):
        # "normal" cases from RFC 1808:
        self.checkJoin(RFC1808_BASE, 'g:h', 'g:h')
        self.checkJoin(RFC1808_BASE, 'g', 'http://a/b/c/g')
        self.checkJoin(RFC1808_BASE, './g', 'http://a/b/c/g')
        self.checkJoin(RFC1808_BASE, 'g/', 'http://a/b/c/g/')
        self.checkJoin(RFC1808_BASE, '/g', 'http://a/g')
        self.checkJoin(RFC1808_BASE, '//g', 'http://g')
        self.checkJoin(RFC1808_BASE, 'g?y', 'http://a/b/c/g?y')
        self.checkJoin(RFC1808_BASE, 'g?y/./x', 'http://a/b/c/g?y/./x')
        self.checkJoin(RFC1808_BASE, '#s', 'http://a/b/c/d;p?q#s')
        self.checkJoin(RFC1808_BASE, 'g#s', 'http://a/b/c/g#s')
        self.checkJoin(RFC1808_BASE, 'g#s/./x', 'http://a/b/c/g#s/./x')
        self.checkJoin(RFC1808_BASE, 'g?y#s', 'http://a/b/c/g?y#s')
        self.checkJoin(RFC1808_BASE, 'g;x', 'http://a/b/c/g;x')
        self.checkJoin(RFC1808_BASE, 'g;x?y#s', 'http://a/b/c/g;x?y#s')
        self.checkJoin(RFC1808_BASE, '.', 'http://a/b/c/')
        self.checkJoin(RFC1808_BASE, './', 'http://a/b/c/')
        self.checkJoin(RFC1808_BASE, '..', 'http://a/b/')
        self.checkJoin(RFC1808_BASE, '../', 'http://a/b/')
        self.checkJoin(RFC1808_BASE, '../g', 'http://a/b/g')
        self.checkJoin(RFC1808_BASE, '../..', 'http://a/')
        self.checkJoin(RFC1808_BASE, '../../', 'http://a/')
        self.checkJoin(RFC1808_BASE, '../../g', 'http://a/g')

        # "abnormal" cases from RFC 1808:
        self.checkJoin(RFC1808_BASE, '', 'http://a/b/c/d;p?q#f')
        self.checkJoin(RFC1808_BASE, '../../../g', 'http://a/../g')
        self.checkJoin(RFC1808_BASE, '../../../../g', 'http://a/../../g')
        self.checkJoin(RFC1808_BASE, '/./g', 'http://a/./g')
        self.checkJoin(RFC1808_BASE, '/../g', 'http://a/../g')
        self.checkJoin(RFC1808_BASE, 'g.', 'http://a/b/c/g.')
        self.checkJoin(RFC1808_BASE, '.g', 'http://a/b/c/.g')
        self.checkJoin(RFC1808_BASE, 'g..', 'http://a/b/c/g..')
        self.checkJoin(RFC1808_BASE, '..g', 'http://a/b/c/..g')
        self.checkJoin(RFC1808_BASE, './../g', 'http://a/b/g')
        self.checkJoin(RFC1808_BASE, './g/.', 'http://a/b/c/g/')
        self.checkJoin(RFC1808_BASE, 'g/./h', 'http://a/b/c/g/h')
        self.checkJoin(RFC1808_BASE, 'g/../h', 'http://a/b/c/h')

        # RFC 1808 and RFC 1630 disagree on these (according to RFC 1808),
        # so we'll not actually run these tests (which expect 1808 behavior).
        #self.checkJoin(RFC1808_BASE, 'http:g', 'http:g')
        #self.checkJoin(RFC1808_BASE, 'http:', 'http:')

    def test_RFC2396(self):
        # cases from RFC 2396

        self.checkJoin(RFC2396_BASE, '?y', 'http://a/b/c/?y')
        self.checkJoin(RFC2396_BASE, ';x', 'http://a/b/c/;x')

        self.checkJoin(RFC2396_BASE, 'g:h', 'g:h')
        self.checkJoin(RFC2396_BASE, 'g', 'http://a/b/c/g')
        self.checkJoin(RFC2396_BASE, './g', 'http://a/b/c/g')
        self.checkJoin(RFC2396_BASE, 'g/', 'http://a/b/c/g/')
        self.checkJoin(RFC2396_BASE, '/g', 'http://a/g')
        self.checkJoin(RFC2396_BASE, '//g', 'http://g')
        self.checkJoin(RFC2396_BASE, 'g?y', 'http://a/b/c/g?y')
        self.checkJoin(RFC2396_BASE, '#s', 'http://a/b/c/d;p?q#s')
        self.checkJoin(RFC2396_BASE, 'g#s', 'http://a/b/c/g#s')
        self.checkJoin(RFC2396_BASE, 'g?y#s', 'http://a/b/c/g?y#s')
        self.checkJoin(RFC2396_BASE, 'g;x', 'http://a/b/c/g;x')
        self.checkJoin(RFC2396_BASE, 'g;x?y#s', 'http://a/b/c/g;x?y#s')
        self.checkJoin(RFC2396_BASE, '.', 'http://a/b/c/')
        self.checkJoin(RFC2396_BASE, './', 'http://a/b/c/')
        self.checkJoin(RFC2396_BASE, '..', 'http://a/b/')
        self.checkJoin(RFC2396_BASE, '../', 'http://a/b/')
        self.checkJoin(RFC2396_BASE, '../g', 'http://a/b/g')
        self.checkJoin(RFC2396_BASE, '../..', 'http://a/')
        self.checkJoin(RFC2396_BASE, '../../', 'http://a/')
        self.checkJoin(RFC2396_BASE, '../../g', 'http://a/g')
        self.checkJoin(RFC2396_BASE, '', RFC2396_BASE)
        self.checkJoin(RFC2396_BASE, '../../../g', 'http://a/../g')
        self.checkJoin(RFC2396_BASE, '../../../../g', 'http://a/../../g')
        self.checkJoin(RFC2396_BASE, '/./g', 'http://a/./g')
        self.checkJoin(RFC2396_BASE, '/../g', 'http://a/../g')
        self.checkJoin(RFC2396_BASE, 'g.', 'http://a/b/c/g.')
        self.checkJoin(RFC2396_BASE, '.g', 'http://a/b/c/.g')
        self.checkJoin(RFC2396_BASE, 'g..', 'http://a/b/c/g..')
        self.checkJoin(RFC2396_BASE, '..g', 'http://a/b/c/..g')
        self.checkJoin(RFC2396_BASE, './../g', 'http://a/b/g')
        self.checkJoin(RFC2396_BASE, './g/.', 'http://a/b/c/g/')
        self.checkJoin(RFC2396_BASE, 'g/./h', 'http://a/b/c/g/h')
        self.checkJoin(RFC2396_BASE, 'g/../h', 'http://a/b/c/h')
        self.checkJoin(RFC2396_BASE, 'g;x=1/./y', 'http://a/b/c/g;x=1/y')
        self.checkJoin(RFC2396_BASE, 'g;x=1/../y', 'http://a/b/c/y')
        self.checkJoin(RFC2396_BASE, 'g?y/./x', 'http://a/b/c/g?y/./x')
        self.checkJoin(RFC2396_BASE, 'g?y/../x', 'http://a/b/c/g?y/../x')
        self.checkJoin(RFC2396_BASE, 'g#s/./x', 'http://a/b/c/g#s/./x')
        self.checkJoin(RFC2396_BASE, 'g#s/../x', 'http://a/b/c/g#s/../x')

    def test_urldefrag(self):
        for url, defrag, frag in [
            ('http://python.org#frag', 'http://python.org', 'frag'),
            ('http://python.org', 'http://python.org', ''),
            ('http://python.org/#frag', 'http://python.org/', 'frag'),
            ('http://python.org/', 'http://python.org/', ''),
            ('http://python.org/?q#frag', 'http://python.org/?q', 'frag'),
            ('http://python.org/?q', 'http://python.org/?q', ''),
            ('http://python.org/p#frag', 'http://python.org/p', 'frag'),
            ('http://python.org/p?q', 'http://python.org/p?q', ''),
            (RFC1808_BASE, 'http://a/b/c/d;p?q', 'f'),
            (RFC2396_BASE, 'http://a/b/c/d;p?q', ''),
            ]:
            self.assertEqual(urlparse.urldefrag(url), (defrag, frag))

    def test_urlsplit_attributes(self):
        url = "HTTP://WWW.PYTHON.ORG/doc/#frag"
        p = urlparse.urlsplit(url)
        self.assertEqual(p.scheme, "http")
        self.assertEqual(p.netloc, "WWW.PYTHON.ORG")
        self.assertEqual(p.path, "/doc/")
        self.assertEqual(p.query, "")
        self.assertEqual(p.fragment, "frag")
        self.assertEqual(p.username, None)
        self.assertEqual(p.password, None)
        self.assertEqual(p.hostname, "www.python.org")
        self.assertEqual(p.port, None)
        # geturl() won't return exactly the original URL in this case
        # since the scheme is always case-normalized
        #self.assertEqual(p.geturl(), url)

        url = "http://User:[email protected]:080/doc/?query=yes#frag"
        p = urlparse.urlsplit(url)
        self.assertEqual(p.scheme, "http")
        self.assertEqual(p.netloc, "User:[email protected]:080")
        self.assertEqual(p.path, "/doc/")
        self.assertEqual(p.query, "query=yes")
        self.assertEqual(p.fragment, "frag")
        self.assertEqual(p.username, "User")
        self.assertEqual(p.password, "Pass")
        self.assertEqual(p.hostname, "www.python.org")
        self.assertEqual(p.port, 80)
        self.assertEqual(p.geturl(), url)

    def test_attributes_bad_port(self):
        """Check handling of non-integer ports."""
        p = urlparse.urlsplit("http://www.example.net:foo")
        self.assertEqual(p.netloc, "www.example.net:foo")
        self.assertRaises(ValueError, lambda: p.port)

        p = urlparse.urlparse("http://www.example.net:foo")
        self.assertEqual(p.netloc, "www.example.net:foo")
        self.assertRaises(ValueError, lambda: p.port)

    def test_attributes_without_netloc(self):
        # This example is straight from RFC 3261.  It looks like it
        # should allow the username, hostname, and port to be filled
        # in, but doesn't.  Since it's a URI and doesn't use the
        # scheme://netloc syntax, the netloc and related attributes
        # should be left empty.
        uri = "sip:[email protected];maddr=239.255.255.1;ttl=15"
        p = urlparse.urlsplit(uri)
        self.assertEqual(p.netloc, "")
        self.assertEqual(p.username, None)
        self.assertEqual(p.password, None)
        self.assertEqual(p.hostname, None)
        self.assertEqual(p.port, None)
        self.assertEqual(p.geturl(), uri)

        p = urlparse.urlparse(uri)
        self.assertEqual(p.netloc, "")
        self.assertEqual(p.username, None)
        self.assertEqual(p.password, None)
        self.assertEqual(p.hostname, None)
        self.assertEqual(p.port, None)
        self.assertEqual(p.geturl(), uri)


def test_main():
    test_support.run_unittest(UrlParseTestCase)

if __name__ == "__main__":
    test_main()

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