/brz/remove-bazaar

# Copyright (C) 2005, 2006 Canonical

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

# FIXME: This test should be repeated for each available http client

# implementation; at the moment we have urllib and pycurl.

# TODO: Should be renamed to bzrlib.transport.http.tests?

import socket

import bzrlib

from bzrlib.errors import (DependencyNotPresent,

                           ConnectionError,

                           )

from bzrlib.tests import TestCase, TestSkipped

from bzrlib.transport import Transport

from bzrlib.transport.http import (

    extract_auth,

    HttpTransportBase,

    WallRequestHandler,

    )

from bzrlib.transport.http._urllib import HttpTransport_urllib

from bzrlib.tests.HTTPTestUtil import TestCaseWithWebserver

class FakeManager (object):

    def __init__(self):

        self.credentials = []

    def add_password(self, realm, host, username, password):

        self.credentials.append([realm, host, username, password])

class TestHttpUrls(TestCase):

    def test_url_parsing(self):

        f = FakeManager()

        url = extract_auth('http://example.com', f)

        self.assertEquals('http://example.com', url)

        self.assertEquals(0, len(f.credentials))

        url = extract_auth('http://user:pass@www.bazaar-vcs.org/bzr/bzr.dev', f)

        self.assertEquals('http://www.bazaar-vcs.org/bzr/bzr.dev', url)

        self.assertEquals(1, len(f.credentials))

        self.assertEquals([None, 'www.bazaar-vcs.org', 'user', 'pass'],

                          f.credentials[0])

    def test_abs_url(self):

        """Construction of absolute http URLs"""

        t = HttpTransport_urllib('http://bazaar-vcs.org/bzr/bzr.dev/')

        eq = self.assertEqualDiff

        eq(t.abspath('.'),

           'http://bazaar-vcs.org/bzr/bzr.dev')

        eq(t.abspath('foo/bar'),

           'http://bazaar-vcs.org/bzr/bzr.dev/foo/bar')

        eq(t.abspath('.bzr'),

           'http://bazaar-vcs.org/bzr/bzr.dev/.bzr')

        eq(t.abspath('.bzr/1//2/./3'),

           'http://bazaar-vcs.org/bzr/bzr.dev/.bzr/1/2/3')

    def test_invalid_http_urls(self):

        """Trap invalid construction of urls"""

        t = HttpTransport_urllib('http://bazaar-vcs.org/bzr/bzr.dev/')

        self.assertRaises(ValueError,

            t.abspath,

            '.bzr/')

    def test_http_root_urls(self):

        """Construction of URLs from server root"""

        t = HttpTransport_urllib('http://bzr.ozlabs.org/')

        eq = self.assertEqualDiff

        eq(t.abspath('.bzr/tree-version'),

           'http://bzr.ozlabs.org/.bzr/tree-version')

    def test_http_impl_urls(self):

        """There are servers which ask for particular clients to connect"""

        try:

            from bzrlib.transport.http._pycurl import HttpServer_PyCurl

            server = HttpServer_PyCurl()

            try:

                server.setUp()

                url = server.get_url()

                self.assertTrue(url.startswith('http+pycurl://'))

            finally:

                server.tearDown()

        except DependencyNotPresent:

            raise TestSkipped('pycurl not present')

class TestHttpMixins(object):

    def _prep_tree(self):

        self.build_tree(['xxx', 'foo/', 'foo/bar'], line_endings='binary',

                        transport=self.get_transport())

    def test_http_has(self):

        server = self.get_readonly_server()

        t = self._transport(server.get_url())

        self.assertEqual(t.has('foo/bar'), True)

        self.assertEqual(len(server.logs), 1)

        self.assertContainsRe(server.logs[0],

            r'"HEAD /foo/bar HTTP/1.." (200|302) - "-" "bzr/')

    def test_http_has_not_found(self):

        server = self.get_readonly_server()

        t = self._transport(server.get_url())

        self.assertEqual(t.has('not-found'), False)

        self.assertContainsRe(server.logs[1],

            r'"HEAD /not-found HTTP/1.." 404 - "-" "bzr/')

    def test_http_get(self):

        server = self.get_readonly_server()

        t = self._transport(server.get_url())

        fp = t.get('foo/bar')

        self.assertEqualDiff(

            fp.read(),

            'contents of foo/bar\n')

        self.assertEqual(len(server.logs), 1)

        self.assertTrue(server.logs[0].find(

            '"GET /foo/bar HTTP/1.1" 200 - "-" "bzr/%s' % bzrlib.__version__) > -1)

class TestHttpConnections_urllib(TestCaseWithWebserver, TestHttpMixins):

    _transport = HttpTransport_urllib

    def setUp(self):

        TestCaseWithWebserver.setUp(self)

        self._prep_tree()

    def test_has_on_bogus_host(self):

        # Get a free address and don't 'accept' on it, so that we

        # can be sure there is no http handler there, but set a

        # reasonable timeout to not slow down tests too much.

        default_timeout = socket.getdefaulttimeout()

        try:

            socket.setdefaulttimeout(2)

            s = socket.socket()

            s.bind(('localhost', 0))

            t = self._transport('http://%s:%s/' % s.getsockname())

            self.assertRaises(ConnectionError, t.has, 'foo/bar')

        finally:

            socket.setdefaulttimeout(default_timeout)

class TestHttpConnections_pycurl(TestCaseWithWebserver, TestHttpMixins):

    def _get_pycurl_maybe(self):

        try:

            from bzrlib.transport.http._pycurl import PyCurlTransport

            return PyCurlTransport

        except DependencyNotPresent:

            raise TestSkipped('pycurl not present')

    _transport = property(_get_pycurl_maybe)

    def setUp(self):

        TestCaseWithWebserver.setUp(self)

        self._prep_tree()

class TestHttpTransportRegistration(TestCase):

    """Test registrations of various http implementations"""

    def test_http_registered(self):

        import bzrlib.transport.http._urllib

        from bzrlib.transport import get_transport

        # urlllib should always be present

        t = get_transport('http+urllib://bzr.google.com/')

        self.assertIsInstance(t, Transport)

        self.assertIsInstance(t, bzrlib.transport.http._urllib.HttpTransport_urllib)

class TestOffsets(TestCase):

    """Test offsets_to_ranges method"""

    def test_offsets_to_ranges_simple(self):

        to_range = HttpTransportBase.offsets_to_ranges

        ranges = to_range([(10, 1)])

        self.assertEqual([[10, 10]], ranges)

        ranges = to_range([(0, 1), (1, 1)])

        self.assertEqual([[0, 1]], ranges)

        ranges = to_range([(1, 1), (0, 1)])

        self.assertEqual([[0, 1]], ranges)

    def test_offset_to_ranges_overlapped(self):

        to_range = HttpTransportBase.offsets_to_ranges

        ranges = to_range([(10, 1), (20, 2), (22, 5)])

        self.assertEqual([[10, 10], [20, 26]], ranges)

        ranges = to_range([(10, 1), (11, 2), (22, 5)])

        self.assertEqual([[10, 12], [22, 26]], ranges)

class TestRangeHeader(TestCase):

    """Test range_header method"""

    def check_header(self, value, ranges=[], tail=0):

        range_header = HttpTransportBase.range_header

        self.assertEqual(value, range_header(ranges, tail))

    def test_range_header_single(self):

        self.check_header('0-9', ranges=[[0,9]])

        self.check_header('100-109', ranges=[[100,109]])

    def test_range_header_tail(self):

        self.check_header('-10', tail=10)

        self.check_header('-50', tail=50)

    def test_range_header_multi(self):

        self.check_header('0-9,100-200,300-5000',

                          ranges=[(0,9), (100, 200), (300,5000)])

    def test_range_header_mixed(self):

        self.check_header('0-9,300-5000,-50',

                          ranges=[(0,9), (300,5000)],

                          tail=50)

# TODO: We need to generalize the following tests to all

# transports which connect to a server via a socket. Is there a

# way to add an accessor or an attribute to this transports so

# that we can filter them from the list of all existing

# transports ?

class TestBogusServer(TestCaseWithWebserver):

    """Abstract class to define test for all bogus servers"""

    #from bzrlib.transport.http._pycurl import PyCurlTransport

    #_transport = PyCurlTransport

    _transport = HttpTransport_urllib

    def test_has(self):

        server = self.get_server()

        t = self._transport(server.get_url())

        self.assertRaises(ConnectionError, t.has, 'foo/bar')

    def test_get(self):

        server = self.get_server()

        t = self._transport(server.get_url())

        self.assertRaises(ConnectionError, t.get, 'foo/bar')

class TestWallServer(TestBogusServer):

    """Tests that we get the right exceptions during the connection phase"""

    def create_transport_server(self):

        return bzrlib.transport.http.HttpServer(WallRequestHandler)