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# Copyright (C) 2006 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Tests for the smart wire/domain protococl."""
 
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from bzrlib import bzrdir, errors, smart, tests
 
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from bzrlib.smart.request import SmartServerResponse
 
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import bzrlib.smart.bzrdir
 
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import bzrlib.smart.branch
 
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import bzrlib.smart.repository
 
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class TestSmartServerResponse(tests.TestCase):
 
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    def test__eq__(self):
 
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        self.assertEqual(SmartServerResponse(('ok', )),
 
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            SmartServerResponse(('ok', )))
 
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        self.assertEqual(SmartServerResponse(('ok', ), 'body'),
 
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            SmartServerResponse(('ok', ), 'body'))
 
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        self.assertNotEqual(SmartServerResponse(('ok', )),
 
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            SmartServerResponse(('notok', )))
 
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        self.assertNotEqual(SmartServerResponse(('ok', ), 'body'),
 
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            SmartServerResponse(('ok', )))
 
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        self.assertNotEqual(None,
 
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            SmartServerResponse(('ok', )))
 
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40
 
 
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class TestSmartServerRequestFindRepository(tests.TestCaseWithTransport):
 
42
 
 
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    def test_no_repository(self):
 
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        """When there is no repository to be found, ('norepository', ) is returned."""
 
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        backing = self.get_transport()
 
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        request = smart.bzrdir.SmartServerRequestFindRepository(backing)
 
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        self.make_bzrdir('.')
 
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        self.assertEqual(SmartServerResponse(('norepository', )),
 
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            request.execute(backing.local_abspath('')))
 
50
 
 
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    def test_nonshared_repository(self):
 
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        # nonshared repositorys only allow 'find' to return a handle when the 
 
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        # path the repository is being searched on is the same as that that 
 
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        # the repository is at.
 
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        backing = self.get_transport()
 
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        request = smart.bzrdir.SmartServerRequestFindRepository(backing)
 
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        self.make_repository('.')
 
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        self.assertEqual(SmartServerResponse(('ok', '')),
 
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            request.execute(backing.local_abspath('')))
 
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        self.make_bzrdir('subdir')
 
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        self.assertEqual(SmartServerResponse(('norepository', )),
 
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            request.execute(backing.local_abspath('subdir')))
 
63
 
 
64
    def test_shared_repository(self):
 
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        """When there is a shared repository, we get 'ok', 'relpath-to-repo'."""
 
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        backing = self.get_transport()
 
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        request = smart.bzrdir.SmartServerRequestFindRepository(backing)
 
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        self.make_repository('.', shared=True)
 
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        self.assertEqual(SmartServerResponse(('ok', '')),
 
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            request.execute(backing.local_abspath('')))
 
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        self.make_bzrdir('subdir')
 
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        self.assertEqual(SmartServerResponse(('ok', '..')),
 
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            request.execute(backing.local_abspath('subdir')))
 
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        self.make_bzrdir('subdir/deeper')
 
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        self.assertEqual(SmartServerResponse(('ok', '../..')),
 
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            request.execute(backing.local_abspath('subdir/deeper')))
 
77
 
 
78
 
 
79
class TestSmartServerRequestHasRevision(tests.TestCaseWithTransport):
 
80
 
 
81
    def test_no_repository(self):
 
82
        """NoRepositoryPresent is raised when there is no repository."""
 
83
        # we test this using a shared repository above the named path,
 
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        # thus checking the right search logic is used.
 
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        backing = self.get_transport()
 
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        request = smart.repository.SmartServerRequestHasRevision(backing)
 
87
        self.make_repository('.', shared=True)
 
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        self.make_bzrdir('subdir')
 
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        self.assertRaises(errors.NoRepositoryPresent,
 
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            request.execute, backing.local_abspath('subdir'), 'revid')
 
91
 
 
92
    def test_missing_revision(self):
 
93
        """For a missing revision, ('no', ) is returned."""
 
94
        backing = self.get_transport()
 
95
        request = smart.repository.SmartServerRequestHasRevision(backing)
 
96
        self.make_repository('.')
 
97
        self.assertEqual(SmartServerResponse(('no', )),
 
98
            request.execute(backing.local_abspath(''), 'revid'))
 
99
 
 
100
    def test_present_revision(self):
 
101
        """For a present revision, ('ok', ) is returned."""
 
102
        backing = self.get_transport()
 
103
        request = smart.repository.SmartServerRequestHasRevision(backing)
 
104
        tree = self.make_branch_and_memory_tree('.')
 
105
        tree.lock_write()
 
106
        tree.add('')
 
107
        r1 = tree.commit('a commit', rev_id=u'\xc8abc')
 
108
        tree.unlock()
 
109
        self.assertTrue(tree.branch.repository.has_revision(u'\xc8abc'))
 
110
        self.assertEqual(SmartServerResponse(('ok', )),
 
111
            request.execute(backing.local_abspath(''),
 
112
                u'\xc8abc'.encode('utf8')))
 
113
 
 
114
 
 
115
class TestSmartServerRequestInitializeBzrDir(tests.TestCaseWithTransport):
 
116
 
 
117
    def test_empty_dir(self):
 
118
        """Initializing an empty dir should succeed and do it."""
 
119
        backing = self.get_transport()
 
120
        request = smart.bzrdir.SmartServerRequestInitializeBzrDir(backing)
 
121
        self.assertEqual(SmartServerResponse(('ok', )),
 
122
            request.execute(backing.local_abspath('.')))
 
123
        made_dir = bzrdir.BzrDir.open_from_transport(backing)
 
124
        # no branch, tree or repository is expected with the current 
 
125
        # default formart.
 
126
        self.assertRaises(errors.NoWorkingTree, made_dir.open_workingtree)
 
127
        self.assertRaises(errors.NotBranchError, made_dir.open_branch)
 
128
        self.assertRaises(errors.NoRepositoryPresent, made_dir.open_repository)
 
129
 
 
130
    def test_missing_dir(self):
 
131
        """Initializing a missing directory should fail like the bzrdir api."""
 
132
        backing = self.get_transport()
 
133
        request = smart.bzrdir.SmartServerRequestInitializeBzrDir(backing)
 
134
        self.assertRaises(errors.NoSuchFile,
 
135
            request.execute, backing.local_abspath('subdir'))
 
136
 
 
137
    def test_initialized_dir(self):
 
138
        """Initializing an extant bzrdir should fail like the bzrdir api."""
 
139
        backing = self.get_transport()
 
140
        request = smart.bzrdir.SmartServerRequestInitializeBzrDir(backing)
 
141
        self.make_bzrdir('subdir')
 
142
        self.assertRaises(errors.FileExists,
 
143
            request.execute, backing.local_abspath('subdir'))
 
144
 
 
145
 
 
146
class TestSmartServerRequestOpenBranch(tests.TestCaseWithTransport):
 
147
 
 
148
    def test_no_branch(self):
 
149
        """When there is no branch, ('nobranch', ) is returned."""
 
150
        backing = self.get_transport()
 
151
        request = smart.bzrdir.SmartServerRequestOpenBranch(backing)
 
152
        self.make_bzrdir('.')
 
153
        self.assertEqual(SmartServerResponse(('nobranch', )),
 
154
            request.execute(backing.local_abspath('')))
 
155
 
 
156
    def test_branch(self):
 
157
        """When there is a branch, 'ok' is returned."""
 
158
        backing = self.get_transport()
 
159
        request = smart.bzrdir.SmartServerRequestOpenBranch(backing)
 
160
        self.make_branch('.')
 
161
        self.assertEqual(SmartServerResponse(('ok', '')),
 
162
            request.execute(backing.local_abspath('')))
 
163
 
 
164
    def test_branch_reference(self):
 
165
        """When there is a branch reference, the reference URL is returned."""
 
166
        backing = self.get_transport()
 
167
        request = smart.bzrdir.SmartServerRequestOpenBranch(backing)
 
168
        branch = self.make_branch('branch')
 
169
        checkout = branch.create_checkout('reference',lightweight=True)
 
170
        # TODO: once we have an API to probe for references of any sort, we
 
171
        # can use it here.
 
172
        reference_url = backing.abspath('branch') + '/'
 
173
        self.assertFileEqual(reference_url, 'reference/.bzr/branch/location')
 
174
        self.assertEqual(SmartServerResponse(('ok', reference_url)),
 
175
            request.execute(backing.local_abspath('reference')))
 
176
 
 
177
 
 
178
class TestSmartServerRequestRevisionHistory(tests.TestCaseWithTransport):
 
179
 
 
180
    def test_no_branch(self):
 
181
        """When there is a bzrdir and no branch, NotBranchError is raised."""
 
182
        backing = self.get_transport()
 
183
        request = smart.branch.SmartServerRequestRevisionHistory(backing)
 
184
        self.make_bzrdir('.')
 
185
        self.assertRaises(errors.NotBranchError,
 
186
            request.execute, backing.local_abspath(''))
 
187
 
 
188
    def test_empty(self):
 
189
        """For an empty branch, the body is empty."""
 
190
        backing = self.get_transport()
 
191
        request = smart.branch.SmartServerRequestRevisionHistory(backing)
 
192
        self.make_branch('.')
 
193
        self.assertEqual(SmartServerResponse(('ok', ), ''),
 
194
            request.execute(backing.local_abspath('')))
 
195
 
 
196
    def test_not_empty(self):
 
197
        """For a non-empty branch, the body is empty."""
 
198
        backing = self.get_transport()
 
199
        request = smart.branch.SmartServerRequestRevisionHistory(backing)
 
200
        tree = self.make_branch_and_memory_tree('.')
 
201
        tree.lock_write()
 
202
        tree.add('')
 
203
        r1 = tree.commit('1st commit')
 
204
        r2 = tree.commit('2nd commit', rev_id=u'\xc8')
 
205
        tree.unlock()
 
206
        self.assertEqual(SmartServerResponse(('ok', ),
 
207
            ('\x00'.join([r1, r2])).encode('utf8')),
 
208
            request.execute(backing.local_abspath('')))
 
209
 
 
210
    def test_branch_reference(self):
 
211
        """When there is a branch reference, NotBranchError is raised."""
 
212
        backing = self.get_transport()
 
213
        request = smart.branch.SmartServerRequestRevisionHistory(backing)
 
214
        branch = self.make_branch('branch')
 
215
        checkout = branch.create_checkout('reference',lightweight=True)
 
216
        self.assertRaises(errors.NotBranchError,
 
217
            request.execute, backing.local_abspath('checkout'))
 
218
 
 
219
 
 
220
class TestHandlers(tests.TestCase):
 
221
    """Tests for the request.request_handlers object."""
 
222
 
 
223
    def test_registered_methods(self):
 
224
        """Test that known methods are registered to the correct object."""
 
225
        self.assertEqual(
 
226
            smart.request.request_handlers.get('Branch.revision_history'),
 
227
            smart.branch.SmartServerRequestRevisionHistory)
 
228
        self.assertEqual(
 
229
            smart.request.request_handlers.get('BzrDir.find_repository'),
 
230
            smart.bzrdir.SmartServerRequestFindRepository)
 
231
        self.assertEqual(
 
232
            smart.request.request_handlers.get('BzrDirFormat.initialize'),
 
233
            smart.bzrdir.SmartServerRequestInitializeBzrDir)
 
234
        self.assertEqual(
 
235
            smart.request.request_handlers.get('BzrDir.open_branch'),
 
236
            smart.bzrdir.SmartServerRequestOpenBranch)
 
237
        self.assertEqual(
 
238
            smart.request.request_handlers.get('Repository.has_revision'),
 
239
            smart.repository.SmartServerRequestHasRevision)