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Viewing changes to bzrlib/tests/test_https_urllib.py

  • Committer: Vincent Ladeuil
  • Date: 2012-02-14 17:22:37 UTC
  • mfrom: (6466 +trunk)
  • mto: This revision was merged to the branch mainline in revision 6468.
  • Revision ID: v.ladeuil+lp@free.fr-20120214172237-7dv7er3n4uy8d5m4
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bzrlib/tests/test_https_urllib.py
 
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# Copyright (C) 2011,2012 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"""Tests for the SSL support in the urllib HTTP transport.
 
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"""
 
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import os
 
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import ssl
 
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from bzrlib import (
 
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    config,
 
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    trace,
 
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    )
 
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from bzrlib.errors import (
 
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    CertificateError,
 
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    ConfigOptionValueError,
 
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    )
 
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from bzrlib.tests import (
 
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    TestCase,
 
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    TestCaseInTempDir,
 
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    )
 
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from bzrlib.transport.http import _urllib2_wrappers
 
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class CaCertsConfigTests(TestCaseInTempDir):
 
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    def get_stack(self, content):
 
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        return config.MemoryStack(content.encode('utf-8'))
 
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    def test_default_exists(self):
 
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        """Check that the default we provide exists for the tested platform."""
 
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        stack = self.get_stack("")
 
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        self.assertPathExists(stack.get('ssl.ca_certs'))
 
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    def test_specified(self):
 
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        self.build_tree(['cacerts.pem'])
 
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        path = os.path.join(self.test_dir, "cacerts.pem")
 
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        stack = self.get_stack("ssl.ca_certs = %s\n" % path)
 
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        self.assertEquals(path, stack.get('ssl.ca_certs'))
 
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    def test_specified_doesnt_exist(self):
 
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        stack = self.get_stack('')
 
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        # Disable the default value mechanism to force the behavior we want
 
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        self.overrideAttr(_urllib2_wrappers.opt_ssl_ca_certs, 'default',
 
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                          os.path.join(self.test_dir, u"nonexisting.pem"))
 
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        self.warnings = []
 
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        def warning(*args):
 
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            self.warnings.append(args[0] % args[1:])
 
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        self.overrideAttr(trace, 'warning', warning)
 
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        self.assertEquals(None, stack.get('ssl.ca_certs'))
 
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        self.assertLength(1, self.warnings)
 
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        self.assertContainsRe(self.warnings[0],
 
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                              "is not valid for \"ssl.ca_certs\"")
 
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class CertReqsConfigTests(TestCaseInTempDir):
 
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    def test_default(self):
 
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        stack = config.MemoryStack("")
 
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        self.assertEquals(ssl.CERT_REQUIRED, stack.get("ssl.cert_reqs"))
 
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    def test_from_string(self):
 
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        stack = config.MemoryStack("ssl.cert_reqs = none\n")
 
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        self.assertEquals(ssl.CERT_NONE, stack.get("ssl.cert_reqs"))
 
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        stack = config.MemoryStack("ssl.cert_reqs = required\n")
 
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        self.assertEquals(ssl.CERT_REQUIRED, stack.get("ssl.cert_reqs"))
 
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        stack = config.MemoryStack("ssl.cert_reqs = invalid\n")
 
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        self.assertRaises(ConfigOptionValueError, stack.get, "ssl.cert_reqs")
 
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class MatchHostnameTests(TestCase):
 
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    def test_no_certificate(self):
 
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        self.assertRaises(ValueError,
 
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                          _urllib2_wrappers.match_hostname, {}, "example.com")
 
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    def test_no_valid_attributes(self):
 
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        self.assertRaises(CertificateError, _urllib2_wrappers.match_hostname,
 
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                          {"Problem": "Solved"}, "example.com")
 
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    def test_common_name(self):
 
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        cert = {'subject': ((('commonName', 'example.com'),),)}
 
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        self.assertIs(None,
 
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                      _urllib2_wrappers.match_hostname(cert, "example.com"))
 
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        self.assertRaises(CertificateError, _urllib2_wrappers.match_hostname,
 
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                          cert, "example.org")