13
13
# You should have received a copy of the GNU General Public License
 
14
14
# along with this program; if not, write to the Free Software
 
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
17
17
"""Tests for WSGI application"""
 
19
19
from cStringIO import StringIO
 
21
21
from bzrlib import tests
 
22
 
from bzrlib.smart import medium, message, protocol
 
 
22
from bzrlib.smart import protocol
 
23
23
from bzrlib.transport.http import wsgi
 
24
24
from bzrlib.transport import chroot, memory
 
27
 
class WSGITestMixin(object):
 
 
27
class TestWSGI(tests.TestCase):
 
 
30
        tests.TestCase.setUp(self)
 
29
34
    def build_environ(self, updates=None):
 
30
35
        """Builds an environ dict with all fields required by PEP 333.
 
32
37
        :param updates: a dict to that will be incorporated into the returned
 
33
38
            dict using dict.update(updates).
 
 
85
82
        self.read_response(iterable)
 
86
83
        self.assertEqual('405 Method not allowed', self.status)
 
87
84
        self.assertTrue(('Allow', 'POST') in self.headers)
 
89
 
    def _fake_make_request(self, transport, write_func, bytes, rcp):
 
 
86
    def _fake_make_request(self, transport, write_func, bytes):
 
90
87
        request = FakeRequest(transport, write_func)
 
91
88
        request.accept_bytes(bytes)
 
92
89
        self.request = request
 
95
92
    def test_smart_wsgi_app_uses_given_relpath(self):
 
96
93
        # The SmartWSGIApp should use the "bzrlib.relpath" field from the
 
97
94
        # WSGI environ to clone from its backing transport to get a specific
 
 
110
107
        iterable = wsgi_app(environ, self.start_response)
 
111
108
        response = self.read_response(iterable)
 
112
 
        self.assertEqual([('clone', 'foo/bar/')] , transport.calls)
 
 
109
        self.assertEqual([('clone', 'foo/bar')] , transport.calls)
 
114
111
    def test_smart_wsgi_app_request_and_response(self):
 
115
112
        # SmartWSGIApp reads the smart request from the 'wsgi.input' file-like
 
 
141
138
            fake_app, prefix='/abc/', path_var='FOO')
 
142
139
        wrapped_app({'FOO': '/abc/xyz/.bzr/smart'}, None)
 
143
140
        self.assertEqual(['xyz'], calls)
 
145
142
    def test_relpath_setter_bad_path_prefix(self):
 
146
143
        # wsgi.RelpathSetter will reject paths with that don't match the prefix
 
147
144
        # with a 404.  This is probably a sign of misconfiguration; a server
 
 
154
151
            {'FOO': 'AAA/abc/xyz/.bzr/smart'}, self.start_response)
 
155
152
        self.read_response(iterable)
 
156
153
        self.assertTrue(self.status.startswith('404'))
 
158
155
    def test_relpath_setter_bad_path_suffix(self):
 
159
156
        # Similar to test_relpath_setter_bad_path_prefix: wsgi.RelpathSetter
 
160
157
        # will reject paths with that don't match the suffix '.bzr/smart' with a
 
 
182
179
        backing_transport = app.app.backing_transport
 
183
180
        chroot_backing_transport = backing_transport.server.backing_transport
 
184
181
        self.assertEndsWith(chroot_backing_transport.base, 'a%20root/')
 
185
 
        self.assertEqual(app.app.root_client_path, 'a prefix')
 
 
182
        self.assertEqual(app.prefix, 'a prefix')
 
186
183
        self.assertEqual(app.path_var, 'a path_var')
 
188
185
    def test_incomplete_request(self):
 
189
186
        transport = FakeTransport()
 
190
187
        wsgi_app = wsgi.SmartWSGIApp(transport)
 
191
 
        def make_request(transport, write_func, bytes, root_client_path):
 
 
188
        def make_request(transport, write_func, bytes):
 
192
189
            request = IncompleteRequest(transport, write_func)
 
193
190
            request.accept_bytes(bytes)
 
194
191
            self.request = request
 
 
245
242
            protocol.RESPONSE_VERSION_TWO + 'success\nok\x012\n', response)
 
248
 
class TestWSGIJail(tests.TestCaseWithMemoryTransport, WSGITestMixin):
 
250
 
    def make_hpss_wsgi_request(self, wsgi_relpath, *args):
 
251
 
        write_buf = StringIO()
 
252
 
        request_medium = medium.SmartSimplePipesClientMedium(
 
253
 
            None, write_buf, 'fake:' + wsgi_relpath)
 
254
 
        request_encoder = protocol.ProtocolThreeRequester(
 
255
 
            request_medium.get_request())
 
256
 
        request_encoder.call(*args)
 
258
 
        environ = self.build_environ({
 
259
 
            'REQUEST_METHOD': 'POST',
 
260
 
            'CONTENT_LENGTH': len(write_buf.getvalue()),
 
261
 
            'wsgi.input': write_buf,
 
262
 
            'bzrlib.relpath': wsgi_relpath,
 
266
 
    def test_jail_root(self):
 
267
 
        """The WSGI HPSS glue allows access to the whole WSGI backing
 
268
 
        transport, regardless of which HTTP path the request was delivered
 
271
 
        # make a branch in a shared repo
 
272
 
        self.make_repository('repo', shared=True)
 
273
 
        branch = self.make_bzrdir('repo/branch').create_branch()
 
274
 
        # serve the repo via bzr+http WSGI
 
275
 
        wsgi_app = wsgi.SmartWSGIApp(self.get_transport())
 
276
 
        # send a request to /repo/branch that will have to access /repo.
 
277
 
        environ = self.make_hpss_wsgi_request(
 
278
 
            '/repo/branch', 'BzrDir.open_branchV2', '.')
 
279
 
        iterable = wsgi_app(environ, self.start_response)
 
280
 
        response_bytes = self.read_response(iterable)
 
281
 
        self.assertEqual('200 OK', self.status)
 
282
 
        # expect a successful response, rather than a jail break error
 
283
 
        from bzrlib.tests.test_smart_transport import LoggingMessageHandler
 
284
 
        message_handler = LoggingMessageHandler()
 
285
 
        decoder = protocol.ProtocolThreeDecoder(
 
286
 
            message_handler, expect_version_marker=True)
 
287
 
        decoder.accept_bytes(response_bytes)
 
289
 
            ('structure', ('branch', branch._format.network_name()))
 
290
 
            in message_handler.event_log)
 
293
245
class FakeRequest(object):
 
295
247
    def __init__(self, transport, write_func):
 
296
248
        self.transport = transport
 
297
249
        self.write_func = write_func