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  • Committer: Jelmer Vernooij
  • Date: 2009-04-10 15:58:09 UTC
  • mto: This revision was merged to the branch mainline in revision 4284.
  • Revision ID: jelmer@samba.org-20090410155809-kdibzcjvp7pdb83f
Fix missing import.

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# Copyright (C) 2006-2010 Canonical Ltd
 
1
# Copyright (C) 2006 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
18
18
"""Tests of the bzr serve command."""
19
19
 
20
20
import os
21
 
import os.path
22
21
import signal
23
22
import subprocess
24
23
import sys
25
 
import thread
26
24
import threading
27
25
 
28
26
from bzrlib import (
29
 
    builtins,
30
 
    debug,
31
27
    errors,
32
28
    osutils,
33
29
    revision as _mod_revision,
34
 
    urlutils,
35
30
    )
36
31
from bzrlib.branch import Branch
37
32
from bzrlib.bzrdir import BzrDir
38
 
from bzrlib.smart import client, medium
39
 
from bzrlib.smart.server import BzrServerFactory, SmartTCPServer
40
 
from bzrlib.tests import (
41
 
    TestCaseWithMemoryTransport,
42
 
    TestCaseWithTransport,
43
 
    TestSkipped,
44
 
    )
45
 
from bzrlib.trace import mutter
 
33
from bzrlib.errors import ParamikoNotPresent
 
34
from bzrlib.smart import medium
 
35
from bzrlib.tests import TestCaseWithTransport, TestSkipped
46
36
from bzrlib.transport import get_transport, remote
47
37
 
48
38
 
49
 
class TestBzrServeBase(TestCaseWithTransport):
50
 
 
51
 
    def run_bzr_serve_then_func(self, serve_args, retcode=0, func=None,
52
 
                                *func_args, **func_kwargs):
53
 
        """Run 'bzr serve', and run the given func in a thread once the server
54
 
        has started.
55
 
        
56
 
        When 'func' terminates, the server will be terminated too.
57
 
        
58
 
        Returns stdout and stderr.
59
 
        """
60
 
        # install hook
61
 
        def on_server_start(backing_urls, tcp_server):
62
 
            t = threading.Thread(
63
 
                target=on_server_start_thread, args=(tcp_server,))
64
 
            t.start()
65
 
        def on_server_start_thread(tcp_server):
66
 
            try:
67
 
                # Run func if set
68
 
                self.tcp_server = tcp_server
69
 
                if not func is None:
70
 
                    try:
71
 
                        func(*func_args, **func_kwargs)
72
 
                    except Exception, e:
73
 
                        # Log errors to make some test failures a little less
74
 
                        # mysterious.
75
 
                        mutter('func broke: %r', e)
76
 
            finally:
77
 
                # Then stop the server
78
 
                mutter('interrupting...')
79
 
                thread.interrupt_main()
80
 
        SmartTCPServer.hooks.install_named_hook(
81
 
            'server_started_ex', on_server_start,
82
 
            'run_bzr_serve_then_func hook')
83
 
        # start a TCP server
84
 
        try:
85
 
            out, err = self.run_bzr(['serve'] + list(serve_args))
86
 
        except KeyboardInterrupt, e:
87
 
            out, err = e.args
88
 
        return out, err
89
 
 
90
 
 
91
 
class TestBzrServe(TestBzrServeBase):
92
 
 
93
 
    def setUp(self):
94
 
        super(TestBzrServe, self).setUp()
95
 
        self.disable_missing_extensions_warning()
 
39
class TestBzrServe(TestCaseWithTransport):
96
40
 
97
41
    def assertInetServerShutsdownCleanly(self, process):
98
42
        """Shutdown the server process looking for errors."""
131
75
            finish_bzr_subprocess, a client for the server, and a transport.
132
76
        """
133
77
        # Serve from the current directory
134
 
        args = ['serve', '--inet']
135
 
        args.extend(extra_options)
136
 
        process = self.start_bzr_subprocess(args)
 
78
        process = self.start_bzr_subprocess(['serve', '--inet'])
137
79
 
138
80
        # Connect to the server
139
81
        # We use this url because while this is no valid URL to connect to this
140
82
        # server instance, the transport needs a URL.
141
83
        url = 'bzr://localhost/'
142
 
        self.permit_url(url)
143
84
        client_medium = medium.SmartSimplePipesClientMedium(
144
85
            process.stdout, process.stdin, url)
145
86
        transport = remote.RemoteTransport(url, medium=client_medium)
160
101
        prefix = 'listening on port: '
161
102
        self.assertStartsWith(port_line, prefix)
162
103
        port = int(port_line[len(prefix):])
163
 
        url = 'bzr://localhost:%d/' % port
164
 
        self.permit_url(url)
165
 
        return process, url
166
 
    
167
 
    def test_bzr_serve_quiet(self):
168
 
        self.make_branch('.')
169
 
        args = ['--port', 'localhost:0', '--quiet']
170
 
        out, err = self.run_bzr_serve_then_func(args, retcode=3)
171
 
        self.assertEqual('', out)
172
 
        self.assertEqual('', err)
 
104
        return process,'bzr://localhost:%d/' % port
173
105
 
174
106
    def test_bzr_serve_inet_readonly(self):
175
107
        """bzr server should provide a read only filesystem by default."""
183
115
 
184
116
        process, transport = self.start_server_inet(['--allow-writes'])
185
117
 
186
 
        # We get a working branch, and can create a directory
 
118
        # We get a working branch
187
119
        branch = BzrDir.open_from_transport(transport).open_branch()
188
120
        self.make_read_requests(branch)
189
 
        transport.mkdir('adir')
190
121
        self.assertInetServerShutsdownCleanly(process)
191
122
 
192
123
    def test_bzr_serve_port_readonly(self):
207
138
        self.make_read_requests(branch)
208
139
        self.assertServerFinishesCleanly(process)
209
140
 
210
 
    def test_bzr_serve_supports_protocol(self):
 
141
    def test_bzr_connect_to_bzr_ssh(self):
 
142
        """User acceptance that get_transport of a bzr+ssh:// behaves correctly.
 
143
 
 
144
        bzr+ssh:// should cause bzr to run a remote bzr smart server over SSH.
 
145
        """
 
146
        try:
 
147
            from bzrlib.transport.sftp import SFTPServer
 
148
        except ParamikoNotPresent:
 
149
            raise TestSkipped('Paramiko not installed')
 
150
        from bzrlib.tests.stub_sftp import StubServer
 
151
 
211
152
        # Make a branch
212
 
        self.make_branch('.')
213
 
 
214
 
        process, url = self.start_server_port(['--allow-writes',
215
 
                                               '--protocol=bzr'])
216
 
 
217
 
        # Connect to the server
218
 
        branch = Branch.open(url)
219
 
        self.make_read_requests(branch)
220
 
        self.assertServerFinishesCleanly(process)
221
 
 
222
 
    def test_bzr_serve_dhpss(self):
223
 
        # This is a smoke test that the server doesn't crash when run with
224
 
        # -Dhpss, and does drop some hpss logging to the file.
225
 
        self.make_branch('.')
226
 
        log_fname = os.getcwd() + '/server.log'
227
 
        self._captureVar('BZR_LOG', log_fname)
228
 
        process, transport = self.start_server_inet(['-Dhpss'])
229
 
        branch = BzrDir.open_from_transport(transport).open_branch()
230
 
        self.make_read_requests(branch)
231
 
        self.assertInetServerShutsdownCleanly(process)
232
 
        f = open(log_fname, 'rb')
233
 
        content = f.read()
234
 
        f.close()
235
 
        self.assertContainsRe(content, r'hpss request: \[[0-9-]+\]')
236
 
 
237
 
 
238
 
class TestCmdServeChrooting(TestBzrServeBase):
239
 
 
240
 
    def test_serve_tcp(self):
241
 
        """'bzr serve' wraps the given --directory in a ChrootServer.
242
 
 
243
 
        So requests that search up through the parent directories (like
244
 
        find_repositoryV3) will give "not found" responses, rather than
245
 
        InvalidURLJoin or jail break errors.
246
 
        """
247
 
        t = self.get_transport()
248
 
        t.mkdir('server-root')
249
 
        self.run_bzr_serve_then_func(
250
 
            ['--port', '127.0.0.1:0',
251
 
             '--directory', t.local_abspath('server-root'),
252
 
             '--allow-writes'],
253
 
            func=self.when_server_started)
254
 
        # The when_server_started method issued a find_repositoryV3 that should
255
 
        # fail with 'norepository' because there are no repositories inside the
256
 
        # --directory.
257
 
        self.assertEqual(('norepository',), self.client_resp)
258
 
 
259
 
    def when_server_started(self):
260
 
        # Connect to the TCP server and issue some requests and see what comes
261
 
        # back.
262
 
        client_medium = medium.SmartTCPClientMedium(
263
 
            '127.0.0.1', self.tcp_server.port,
264
 
            'bzr://localhost:%d/' % (self.tcp_server.port,))
265
 
        smart_client = client._SmartClient(client_medium)
266
 
        resp = smart_client.call('mkdir', 'foo', '')
267
 
        resp = smart_client.call('BzrDirFormat.initialize', 'foo/')
 
153
        self.make_branch('a_branch')
 
154
 
 
155
        # Start an SSH server
 
156
        self.command_executed = []
 
157
        # XXX: This is horrible -- we define a really dumb SSH server that
 
158
        # executes commands, and manage the hooking up of stdin/out/err to the
 
159
        # SSH channel ourselves.  Surely this has already been implemented
 
160
        # elsewhere?
 
161
        class StubSSHServer(StubServer):
 
162
 
 
163
            test = self
 
164
 
 
165
            def check_channel_exec_request(self, channel, command):
 
166
                self.test.command_executed.append(command)
 
167
                proc = subprocess.Popen(
 
168
                    command, shell=True, stdin=subprocess.PIPE,
 
169
                    stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 
170
 
 
171
                # XXX: horribly inefficient, not to mention ugly.
 
172
                # Start a thread for each of stdin/out/err, and relay bytes from
 
173
                # the subprocess to channel and vice versa.
 
174
                def ferry_bytes(read, write, close):
 
175
                    while True:
 
176
                        bytes = read(1)
 
177
                        if bytes == '':
 
178
                            close()
 
179
                            break
 
180
                        write(bytes)
 
181
 
 
182
                file_functions = [
 
183
                    (channel.recv, proc.stdin.write, proc.stdin.close),
 
184
                    (proc.stdout.read, channel.sendall, channel.close),
 
185
                    (proc.stderr.read, channel.sendall_stderr, channel.close)]
 
186
                for read, write, close in file_functions:
 
187
                    t = threading.Thread(
 
188
                        target=ferry_bytes, args=(read, write, close))
 
189
                    t.start()
 
190
 
 
191
                return True
 
192
 
 
193
        ssh_server = SFTPServer(StubSSHServer)
 
194
        # XXX: We *don't* want to override the default SSH vendor, so we set
 
195
        # _vendor to what _get_ssh_vendor returns.
 
196
        ssh_server.setUp()
 
197
        self.addCleanup(ssh_server.tearDown)
 
198
        port = ssh_server._listener.port
 
199
 
 
200
        # Access the branch via a bzr+ssh URL.  The BZR_REMOTE_PATH environment
 
201
        # variable is used to tell bzr what command to run on the remote end.
 
202
        path_to_branch = osutils.abspath('a_branch')
 
203
 
 
204
        orig_bzr_remote_path = os.environ.get('BZR_REMOTE_PATH')
 
205
        bzr_remote_path = self.get_bzr_path()
 
206
        if sys.platform == 'win32':
 
207
            bzr_remote_path = sys.executable + ' ' + self.get_bzr_path()
 
208
        os.environ['BZR_REMOTE_PATH'] = bzr_remote_path
268
209
        try:
269
 
            resp = smart_client.call('BzrDir.find_repositoryV3', 'foo/')
270
 
        except errors.ErrorFromSmartServer, e:
271
 
            resp = e.error_tuple
272
 
        self.client_resp = resp
273
 
        client_medium.disconnect()
274
 
 
275
 
 
276
 
class TestUserdirExpansion(TestCaseWithMemoryTransport):
277
 
 
278
 
    def fake_expanduser(self, path):
279
 
        """A simple, environment-independent, function for the duration of this
280
 
        test.
281
 
 
282
 
        Paths starting with a path segment of '~user' will expand to start with
283
 
        '/home/user/'.  Every other path will be unchanged.
284
 
        """
285
 
        if path.split('/', 1)[0] == '~user':
286
 
            return '/home/user' + path[len('~user'):]
287
 
        return path
288
 
 
289
 
    def make_test_server(self, base_path='/'):
290
 
        """Make and start a BzrServerFactory, backed by a memory transport, and
291
 
        creat '/home/user' in that transport.
292
 
        """
293
 
        bzr_server = BzrServerFactory(
294
 
            self.fake_expanduser, lambda t: base_path)
295
 
        mem_transport = self.get_transport()
296
 
        mem_transport.mkdir_multi(['home', 'home/user'])
297
 
        bzr_server.set_up(mem_transport, None, None, inet=True)
298
 
        self.addCleanup(bzr_server.tear_down)
299
 
        return bzr_server
300
 
 
301
 
    def test_bzr_serve_expands_userdir(self):
302
 
        bzr_server = self.make_test_server()
303
 
        self.assertTrue(bzr_server.smart_server.backing_transport.has('~user'))
304
 
 
305
 
    def test_bzr_serve_does_not_expand_userdir_outside_base(self):
306
 
        bzr_server = self.make_test_server('/foo')
307
 
        self.assertFalse(bzr_server.smart_server.backing_transport.has('~user'))
308
 
 
309
 
    def test_get_base_path(self):
310
 
        """cmd_serve will turn the --directory option into a LocalTransport
311
 
        (optionally decorated with 'readonly+').  BzrServerFactory can
312
 
        determine the original --directory from that transport.
313
 
        """
314
 
        # URLs always include the trailing slash, and get_base_path returns it
315
 
        base_dir = osutils.abspath('/a/b/c') + '/'
316
 
        base_url = urlutils.local_path_to_url(base_dir) + '/'
317
 
        # Define a fake 'protocol' to capture the transport that cmd_serve
318
 
        # passes to serve_bzr.
319
 
        def capture_transport(transport, host, port, inet):
320
 
            self.bzr_serve_transport = transport
321
 
        cmd = builtins.cmd_serve()
322
 
        # Read-only
323
 
        cmd.run(directory=base_dir, protocol=capture_transport)
324
 
        server_maker = BzrServerFactory()
325
 
        self.assertEqual(
326
 
            'readonly+%s' % base_url, self.bzr_serve_transport.base)
327
 
        self.assertEqual(
328
 
            base_dir, server_maker.get_base_path(self.bzr_serve_transport))
329
 
        # Read-write
330
 
        cmd.run(directory=base_dir, protocol=capture_transport,
331
 
            allow_writes=True)
332
 
        server_maker = BzrServerFactory()
333
 
        self.assertEqual(base_url, self.bzr_serve_transport.base)
334
 
        self.assertEqual(base_dir,
335
 
            server_maker.get_base_path(self.bzr_serve_transport))
 
210
            if sys.platform == 'win32':
 
211
                path_to_branch = os.path.splitdrive(path_to_branch)[1]
 
212
            branch = Branch.open(
 
213
                'bzr+ssh://fred:secret@localhost:%d%s' % (port, path_to_branch))
 
214
            self.make_read_requests(branch)
 
215
            # Check we can perform write operations
 
216
            branch.bzrdir.root_transport.mkdir('foo')
 
217
        finally:
 
218
            # Restore the BZR_REMOTE_PATH environment variable back to its
 
219
            # original state.
 
220
            if orig_bzr_remote_path is None:
 
221
                del os.environ['BZR_REMOTE_PATH']
 
222
            else:
 
223
                os.environ['BZR_REMOTE_PATH'] = orig_bzr_remote_path
 
224
 
 
225
        self.assertEqual(
 
226
            ['%s serve --inet --directory=/ --allow-writes'
 
227
             % bzr_remote_path],
 
228
            self.command_executed)
336
229