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# Copyright (C) 2005, 2006 Canonical Ltd
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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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# 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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# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# FIXME: This test should be repeated for each available http client
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# implementation; at the moment we have urllib and pycurl.
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# TODO: Should be renamed to bzrlib.transport.http.tests?
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# TODO: What about renaming to bzrlib.tests.transport.http ?
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from bzrlib import errors
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from bzrlib import osutils
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from bzrlib.tests import (
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from bzrlib.tests.HttpServer import (
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from bzrlib.tests.HTTPTestUtil import (
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BadProtocolRequestHandler,
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BadStatusRequestHandler,
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FakeProxyRequestHandler,
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ForbiddenRequestHandler,
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InvalidStatusRequestHandler,
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NoRangeRequestHandler,
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SingleRangeRequestHandler,
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TestCaseWithTwoWebservers,
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TestCaseWithWebserver,
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from bzrlib.transport import (
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from bzrlib.transport.http import (
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from bzrlib.transport.http._urllib import HttpTransport_urllib
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class FakeManager(object):
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def add_password(self, realm, host, username, password):
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self.credentials.append([realm, host, username, password])
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class RecordingServer(object):
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"""A fake HTTP server.
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It records the bytes sent to it, and replies with a 200.
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def __init__(self, expect_body_tail=None):
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:type expect_body_tail: str
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:param expect_body_tail: a reply won't be sent until this string is
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self._expect_body_tail = expect_body_tail
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self.received_bytes = ''
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self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self._sock.bind(('127.0.0.1', 0))
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self.host, self.port = self._sock.getsockname()
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self._ready = threading.Event()
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self._thread = threading.Thread(target=self._accept_read_and_reply)
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self._thread.setDaemon(True)
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def _accept_read_and_reply(self):
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self._sock.settimeout(5)
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conn, address = self._sock.accept()
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# On win32, the accepted connection will be non-blocking to start
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# with because we're using settimeout.
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conn.setblocking(True)
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while not self.received_bytes.endswith(self._expect_body_tail):
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self.received_bytes += conn.recv(4096)
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conn.sendall('HTTP/1.1 200 OK\r\n')
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except socket.timeout:
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# Make sure the client isn't stuck waiting for us to e.g. accept.
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# The client may have already closed the socket.
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# We might have already closed it. We don't care.
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from bzrlib.selftest import TestCase
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from bzrlib.transport.http import HttpTransport
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class TestHttpUrls(TestCase):
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# FIXME: Some of these tests should be done for both
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def test_url_parsing(self):
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url = extract_auth('http://example.com', f)
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self.assertEquals('http://example.com', url)
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self.assertEquals(0, len(f.credentials))
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url = extract_auth('http://user:pass@www.bazaar-vcs.org/bzr/bzr.dev', f)
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self.assertEquals('http://www.bazaar-vcs.org/bzr/bzr.dev', url)
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self.assertEquals(1, len(f.credentials))
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self.assertEquals([None, 'www.bazaar-vcs.org', 'user', 'pass'],
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def test_abs_url(self):
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"""Construction of absolute http URLs"""
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t = HttpTransport_urllib('http://bazaar-vcs.org/bzr/bzr.dev/')
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t = HttpTransport('http://bazaar-ng.org/bzr/bzr.dev/')
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eq = self.assertEqualDiff
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eq(t.abspath('.'),
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'http://bazaar-vcs.org/bzr/bzr.dev')
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eq(t.abspath('foo/bar'),
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'http://bazaar-vcs.org/bzr/bzr.dev/foo/bar')
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'http://bazaar-ng.org/bzr/bzr.dev')
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eq(t.abspath('foo/bar'),
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'http://bazaar-ng.org/bzr/bzr.dev/foo/bar')
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eq(t.abspath('.bzr'),
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'http://bazaar-vcs.org/bzr/bzr.dev/.bzr')
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'http://bazaar-ng.org/bzr/bzr.dev/.bzr')
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eq(t.abspath('.bzr/1//2/./3'),
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'http://bazaar-vcs.org/bzr/bzr.dev/.bzr/1/2/3')
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'http://bazaar-ng.org/bzr/bzr.dev/.bzr/1/2/3')
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def test_invalid_http_urls(self):
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"""Trap invalid construction of urls"""
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t = HttpTransport_urllib('http://bazaar-vcs.org/bzr/bzr.dev/')
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t = HttpTransport('http://bazaar-ng.org/bzr/bzr.dev/')
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self.assertRaises(ValueError,
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t = HttpTransport_urllib('http://http://bazaar-vcs.org/bzr/bzr.dev/')
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self.assertRaises(errors.InvalidURL, t.has, 'foo/bar')
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self.assertRaises(ValueError,
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def test_http_root_urls(self):
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"""Construction of URLs from server root"""
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t = HttpTransport_urllib('http://bzr.ozlabs.org/')
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t = HttpTransport('http://bzr.ozlabs.org/')
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eq = self.assertEqualDiff
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eq(t.abspath('.bzr/tree-version'),
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'http://bzr.ozlabs.org/.bzr/tree-version')
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def test_http_impl_urls(self):
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"""There are servers which ask for particular clients to connect"""
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server = HttpServer_PyCurl()
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url = server.get_url()
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self.assertTrue(url.startswith('http+pycurl://'))
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class TestHttpConnections(object):
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"""Test the http connections.
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This MUST be used by daughter classes that also inherit from
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TestCaseWithWebserver.
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We can't inherit directly from TestCaseWithWebserver or the
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test framework will try to create an instance which cannot
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run, its implementation being incomplete.
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TestCaseWithWebserver.setUp(self)
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self.build_tree(['xxx', 'foo/', 'foo/bar'], line_endings='binary',
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transport=self.get_transport())
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def test_http_has(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertEqual(t.has('foo/bar'), True)
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self.assertEqual(len(server.logs), 1)
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self.assertContainsRe(server.logs[0],
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r'"HEAD /foo/bar HTTP/1.." (200|302) - "-" "bzr/')
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def test_http_has_not_found(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertEqual(t.has('not-found'), False)
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self.assertContainsRe(server.logs[1],
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r'"HEAD /not-found HTTP/1.." 404 - "-" "bzr/')
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def test_http_get(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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fp = t.get('foo/bar')
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self.assertEqualDiff(
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'contents of foo/bar\n')
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self.assertEqual(len(server.logs), 1)
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self.assertTrue(server.logs[0].find(
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'"GET /foo/bar HTTP/1.1" 200 - "-" "bzr/%s'
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% bzrlib.__version__) > -1)
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def test_get_smart_medium(self):
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# For HTTP, get_smart_medium should return the transport object.
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server = self.get_readonly_server()
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http_transport = self._transport(server.get_url())
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medium = http_transport.get_smart_medium()
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self.assertIs(medium, http_transport)
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def test_has_on_bogus_host(self):
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# Get a free address and don't 'accept' on it, so that we
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# can be sure there is no http handler there, but set a
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# reasonable timeout to not slow down tests too much.
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default_timeout = socket.getdefaulttimeout()
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socket.setdefaulttimeout(2)
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s.bind(('localhost', 0))
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t = self._transport('http://%s:%s/' % s.getsockname())
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self.assertRaises(errors.ConnectionError, t.has, 'foo/bar')
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socket.setdefaulttimeout(default_timeout)
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class TestWithTransport_pycurl(object):
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"""Test case to inherit from if pycurl is present"""
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def _get_pycurl_maybe(self):
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from bzrlib.transport.http._pycurl import PyCurlTransport
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return PyCurlTransport
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except errors.DependencyNotPresent:
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raise TestSkipped('pycurl not present')
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_transport = property(_get_pycurl_maybe)
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class TestHttpConnections_urllib(TestHttpConnections, TestCaseWithWebserver):
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"""Test http connections with urllib"""
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_transport = HttpTransport_urllib
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class TestHttpConnections_pycurl(TestWithTransport_pycurl,
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TestCaseWithWebserver):
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"""Test http connections with pycurl"""
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class TestHttpTransportRegistration(TestCase):
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"""Test registrations of various http implementations"""
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def test_http_registered(self):
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# urlllib should always be present
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t = get_transport('http+urllib://bzr.google.com/')
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self.assertIsInstance(t, Transport)
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self.assertIsInstance(t, HttpTransport_urllib)
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class TestOffsets(TestCase):
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"""Test offsets_to_ranges method"""
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def test_offsets_to_ranges_simple(self):
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to_range = HttpTransportBase.offsets_to_ranges
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ranges = to_range([(10, 1)])
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self.assertEqual([[10, 10]], ranges)
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ranges = to_range([(0, 1), (1, 1)])
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self.assertEqual([[0, 1]], ranges)
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ranges = to_range([(1, 1), (0, 1)])
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self.assertEqual([[0, 1]], ranges)
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def test_offset_to_ranges_overlapped(self):
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to_range = HttpTransportBase.offsets_to_ranges
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ranges = to_range([(10, 1), (20, 2), (22, 5)])
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self.assertEqual([[10, 10], [20, 26]], ranges)
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ranges = to_range([(10, 1), (11, 2), (22, 5)])
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self.assertEqual([[10, 12], [22, 26]], ranges)
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class TestPost(object):
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def _test_post_body_is_received(self, scheme):
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server = RecordingServer(expect_body_tail='end-of-body')
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self.addCleanup(server.tearDown)
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url = '%s://%s:%s/' % (scheme, server.host, server.port)
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http_transport = get_transport(url)
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except errors.UnsupportedProtocol:
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raise TestSkipped('%s not available' % scheme)
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code, response = http_transport._post('abc def end-of-body')
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server.received_bytes.startswith('POST /.bzr/smart HTTP/1.'))
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self.assertTrue('content-length: 19\r' in server.received_bytes.lower())
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# The transport should not be assuming that the server can accept
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# chunked encoding the first time it connects, because HTTP/1.1, so we
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# check for the literal string.
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server.received_bytes.endswith('\r\n\r\nabc def end-of-body'))
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class TestPost_urllib(TestCase, TestPost):
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"""TestPost for urllib implementation"""
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_transport = HttpTransport_urllib
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def test_post_body_is_received_urllib(self):
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self._test_post_body_is_received('http+urllib')
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class TestPost_pycurl(TestWithTransport_pycurl, TestCase, TestPost):
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"""TestPost for pycurl implementation"""
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def test_post_body_is_received_pycurl(self):
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self._test_post_body_is_received('http+pycurl')
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class TestRangeHeader(TestCase):
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"""Test range_header method"""
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def check_header(self, value, ranges=[], tail=0):
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range_header = HttpTransportBase.range_header
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self.assertEqual(value, range_header(ranges, tail))
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def test_range_header_single(self):
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self.check_header('0-9', ranges=[[0,9]])
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self.check_header('100-109', ranges=[[100,109]])
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def test_range_header_tail(self):
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self.check_header('-10', tail=10)
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self.check_header('-50', tail=50)
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def test_range_header_multi(self):
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self.check_header('0-9,100-200,300-5000',
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ranges=[(0,9), (100, 200), (300,5000)])
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def test_range_header_mixed(self):
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self.check_header('0-9,300-5000,-50',
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ranges=[(0,9), (300,5000)],
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class TestWallServer(object):
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"""Tests exceptions during the connection phase"""
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def create_transport_readonly_server(self):
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return HttpServer(WallRequestHandler)
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def test_http_has(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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# Unfortunately httplib (see HTTPResponse._read_status
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# for details) make no distinction between a closed
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# socket and badly formatted status line, so we can't
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# just test for ConnectionError, we have to test
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# InvalidHttpResponse too.
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self.assertRaises((errors.ConnectionError, errors.InvalidHttpResponse),
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def test_http_get(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises((errors.ConnectionError, errors.InvalidHttpResponse),
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class TestWallServer_urllib(TestWallServer, TestCaseWithWebserver):
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"""Tests "wall" server for urllib implementation"""
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_transport = HttpTransport_urllib
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class TestWallServer_pycurl(TestWithTransport_pycurl,
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TestCaseWithWebserver):
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"""Tests "wall" server for pycurl implementation"""
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class TestBadStatusServer(object):
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"""Tests bad status from server."""
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def create_transport_readonly_server(self):
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return HttpServer(BadStatusRequestHandler)
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def test_http_has(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.InvalidHttpResponse, t.has, 'foo/bar')
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def test_http_get(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.InvalidHttpResponse, t.get, 'foo/bar')
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class TestBadStatusServer_urllib(TestBadStatusServer, TestCaseWithWebserver):
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"""Tests bad status server for urllib implementation"""
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_transport = HttpTransport_urllib
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class TestBadStatusServer_pycurl(TestWithTransport_pycurl,
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TestCaseWithWebserver):
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"""Tests bad status server for pycurl implementation"""
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class TestInvalidStatusServer(TestBadStatusServer):
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"""Tests invalid status from server.
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Both implementations raises the same error as for a bad status.
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def create_transport_readonly_server(self):
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return HttpServer(InvalidStatusRequestHandler)
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class TestInvalidStatusServer_urllib(TestInvalidStatusServer,
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TestCaseWithWebserver):
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"""Tests invalid status server for urllib implementation"""
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_transport = HttpTransport_urllib
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class TestInvalidStatusServer_pycurl(TestWithTransport_pycurl,
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TestInvalidStatusServer,
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TestCaseWithWebserver):
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"""Tests invalid status server for pycurl implementation"""
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class TestBadProtocolServer(object):
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"""Tests bad protocol from server."""
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def create_transport_readonly_server(self):
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return HttpServer(BadProtocolRequestHandler)
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def test_http_has(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.InvalidHttpResponse, t.has, 'foo/bar')
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def test_http_get(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.InvalidHttpResponse, t.get, 'foo/bar')
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class TestBadProtocolServer_urllib(TestBadProtocolServer,
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TestCaseWithWebserver):
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"""Tests bad protocol server for urllib implementation"""
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_transport = HttpTransport_urllib
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# curl don't check the protocol version
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#class TestBadProtocolServer_pycurl(TestWithTransport_pycurl,
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# TestBadProtocolServer,
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# TestCaseWithWebserver):
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# """Tests bad protocol server for pycurl implementation"""
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class TestForbiddenServer(object):
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"""Tests forbidden server"""
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def create_transport_readonly_server(self):
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return HttpServer(ForbiddenRequestHandler)
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def test_http_has(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.TransportError, t.has, 'foo/bar')
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def test_http_get(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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self.assertRaises(errors.TransportError, t.get, 'foo/bar')
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class TestForbiddenServer_urllib(TestForbiddenServer, TestCaseWithWebserver):
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"""Tests forbidden server for urllib implementation"""
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_transport = HttpTransport_urllib
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class TestForbiddenServer_pycurl(TestWithTransport_pycurl,
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TestCaseWithWebserver):
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"""Tests forbidden server for pycurl implementation"""
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class TestRecordingServer(TestCase):
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def test_create(self):
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server = RecordingServer(expect_body_tail=None)
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self.assertEqual('', server.received_bytes)
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self.assertEqual(None, server.host)
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self.assertEqual(None, server.port)
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def test_setUp_and_tearDown(self):
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server = RecordingServer(expect_body_tail=None)
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self.assertNotEqual(None, server.host)
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self.assertNotEqual(None, server.port)
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self.assertEqual(None, server.host)
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self.assertEqual(None, server.port)
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def test_send_receive_bytes(self):
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server = RecordingServer(expect_body_tail='c')
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self.addCleanup(server.tearDown)
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.connect((server.host, server.port))
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self.assertEqual('HTTP/1.1 200 OK\r\n',
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osutils.recv_all(sock, 4096))
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self.assertEqual('abc', server.received_bytes)
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class TestRangeRequestServer(object):
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"""Tests readv requests against server.
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This MUST be used by daughter classes that also inherit from
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TestCaseWithWebserver.
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We can't inherit directly from TestCaseWithWebserver or the
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test framework will try to create an instance which cannot
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run, its implementation being incomplete.
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TestCaseWithWebserver.setUp(self)
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self.build_tree_contents([('a', '0123456789')],)
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def test_readv(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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l = list(t.readv('a', ((0, 1), (1, 1), (3, 2), (9, 1))))
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self.assertEqual(l[0], (0, '0'))
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self.assertEqual(l[1], (1, '1'))
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self.assertEqual(l[2], (3, '34'))
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self.assertEqual(l[3], (9, '9'))
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def test_readv_out_of_order(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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l = list(t.readv('a', ((1, 1), (9, 1), (0, 1), (3, 2))))
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self.assertEqual(l[0], (1, '1'))
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self.assertEqual(l[1], (9, '9'))
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self.assertEqual(l[2], (0, '0'))
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self.assertEqual(l[3], (3, '34'))
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def test_readv_invalid_ranges(self):
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server = self.get_readonly_server()
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t = self._transport(server.get_url())
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# This is intentionally reading off the end of the file
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# since we are sure that it cannot get there
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self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
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t.readv, 'a', [(1,1), (8,10)])
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# This is trying to seek past the end of the file, it should
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# also raise a special error
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self.assertListRaises((errors.InvalidRange, errors.ShortReadvError,),
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t.readv, 'a', [(12,2)])
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class TestSingleRangeRequestServer(TestRangeRequestServer):
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"""Test readv against a server which accept only single range requests"""
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def create_transport_readonly_server(self):
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return HttpServer(SingleRangeRequestHandler)
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class TestSingleRangeRequestServer_urllib(TestSingleRangeRequestServer,
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TestCaseWithWebserver):
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"""Tests single range requests accepting server for urllib implementation"""
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_transport = HttpTransport_urllib
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class TestSingleRangeRequestServer_pycurl(TestWithTransport_pycurl,
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TestSingleRangeRequestServer,
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TestCaseWithWebserver):
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"""Tests single range requests accepting server for pycurl implementation"""
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class TestNoRangeRequestServer(TestRangeRequestServer):
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"""Test readv against a server which do not accept range requests"""
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def create_transport_readonly_server(self):
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return HttpServer(NoRangeRequestHandler)
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class TestNoRangeRequestServer_urllib(TestNoRangeRequestServer,
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TestCaseWithWebserver):
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"""Tests range requests refusing server for urllib implementation"""
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_transport = HttpTransport_urllib
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class TestNoRangeRequestServer_pycurl(TestWithTransport_pycurl,
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TestNoRangeRequestServer,
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TestCaseWithWebserver):
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"""Tests range requests refusing server for pycurl implementation"""
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class TestProxyHttpServer(object):
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"""Tests proxy server.
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This MUST be used by daughter classes that also inherit from
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TestCaseWithTwoWebservers.
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We can't inherit directly from TestCaseWithTwoWebservers or
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the test framework will try to create an instance which
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cannot run, its implementation being incomplete.
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Be aware that we do not setup a real proxy here. Instead, we
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check that the *connection* goes through the proxy by serving
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different content (the faked proxy server append '-proxied'
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# FIXME: We don't have an https server available, so we don't
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# test https connections.
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TestCaseWithTwoWebservers.setUp(self)
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self.build_tree_contents([('foo', 'contents of foo\n'),
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('foo-proxied', 'proxied contents of foo\n')])
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# Let's setup some attributes for tests
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self.server = self.get_readonly_server()
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self.no_proxy_host = 'localhost:%d' % self.server.port
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# The secondary server is the proxy
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self.proxy = self.get_secondary_server()
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self.proxy_url = self.proxy.get_url()
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def create_transport_secondary_server(self):
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"""Creates an http server that will serve files with
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'-proxied' appended to their names.
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return HttpServer(FakeProxyRequestHandler)
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def _set_and_capture_env_var(self, name, new_value):
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"""Set an environment variable, and reset it when finished."""
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self._old_env[name] = osutils.set_or_unset_env(name, new_value)
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def _install_env(self, env):
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for name, value in env.iteritems():
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self._set_and_capture_env_var(name, value)
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def _restore_env(self):
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for name, value in self._old_env.iteritems():
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osutils.set_or_unset_env(name, value)
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def proxied_in_env(self, env):
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self._install_env(env)
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url = self.server.get_url()
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t = self._transport(url)
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self.assertEqual(t.get('foo').read(), 'proxied contents of foo\n')
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def not_proxied_in_env(self, env):
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self._install_env(env)
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url = self.server.get_url()
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t = self._transport(url)
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self.assertEqual(t.get('foo').read(), 'contents of foo\n')
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def test_http_proxy(self):
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self.proxied_in_env({'http_proxy': self.proxy_url})
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def test_HTTP_PROXY(self):
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self.proxied_in_env({'HTTP_PROXY': self.proxy_url})
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def test_all_proxy(self):
713
self.proxied_in_env({'all_proxy': self.proxy_url})
715
def test_ALL_PROXY(self):
716
self.proxied_in_env({'ALL_PROXY': self.proxy_url})
718
def test_http_proxy_with_no_proxy(self):
719
self.not_proxied_in_env({'http_proxy': self.proxy_url,
720
'no_proxy': self.no_proxy_host})
722
def test_HTTP_PROXY_with_NO_PROXY(self):
723
self.not_proxied_in_env({'HTTP_PROXY': self.proxy_url,
724
'NO_PROXY': self.no_proxy_host})
726
def test_all_proxy_with_no_proxy(self):
727
self.not_proxied_in_env({'all_proxy': self.proxy_url,
728
'no_proxy': self.no_proxy_host})
730
def test_ALL_PROXY_with_NO_PROXY(self):
731
self.not_proxied_in_env({'ALL_PROXY': self.proxy_url,
732
'NO_PROXY': self.no_proxy_host})
735
class TestProxyHttpServer_urllib(TestProxyHttpServer,
736
TestCaseWithTwoWebservers):
737
"""Tests proxy server for urllib implementation"""
739
_transport = HttpTransport_urllib
742
class TestProxyHttpServer_pycurl(TestWithTransport_pycurl,
744
TestCaseWithTwoWebservers):
745
"""Tests proxy server for pycurl implementation"""
748
TestProxyHttpServer.setUp(self)
749
# Oh my ! pycurl does not check for the port as part of
750
# no_proxy :-( So we just test the host part
751
self.no_proxy_host = 'localhost'
753
def test_HTTP_PROXY(self):
754
# pycurl do not check HTTP_PROXY for security reasons
755
# (for use in a CGI context that we do not care
756
# about. Should we ?)
759
def test_HTTP_PROXY_with_NO_PROXY(self):
763
class TestRanges(object):
764
"""Test the Range header in GET methods..
766
This MUST be used by daughter classes that also inherit from
767
TestCaseWithWebserver.
769
We can't inherit directly from TestCaseWithWebserver or the
770
test framework will try to create an instance which cannot
771
run, its implementation being incomplete.
775
TestCaseWithWebserver.setUp(self)
776
self.build_tree_contents([('a', '0123456789')],)
777
server = self.get_readonly_server()
778
self.transport = self._transport(server.get_url())
780
def _file_contents(self, relpath, ranges, tail_amount=0):
781
code, data = self.transport._get(relpath, ranges)
782
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
783
for start, end in ranges:
785
yield data.read(end - start + 1)
787
def _file_tail(self, relpath, tail_amount):
788
code, data = self.transport._get(relpath, [], tail_amount)
789
self.assertTrue(code in (200, 206),'_get returns: %d' % code)
790
data.seek(-tail_amount + 1, 2)
791
return data.read(tail_amount)
793
def test_range_header(self):
795
map(self.assertEqual,['0', '234'],
796
list(self._file_contents('a', [(0,0), (2,4)])),)
798
self.assertEqual('789', self._file_tail('a', 3))
799
# Syntactically invalid range
800
self.assertRaises(errors.InvalidRange,
801
self.transport._get, 'a', [(4, 3)])
802
# Semantically invalid range
803
self.assertRaises(errors.InvalidRange,
804
self.transport._get, 'a', [(42, 128)])
807
class TestRanges_urllib(TestRanges, TestCaseWithWebserver):
808
"""Test the Range header in GET methods for urllib implementation"""
810
_transport = HttpTransport_urllib
813
class TestRanges_pycurl(TestWithTransport_pycurl,
815
TestCaseWithWebserver):
816
"""Test the Range header in GET methods for pycurl implementation"""
added
removed
bzrlib/selftest/testhttp.py
