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Viewing changes to bzrlib/tests/test_fetch.py

  • Committer: Martin Pool
  • Date: 2005-05-17 07:01:47 UTC
  • Revision ID: mbp@sourcefrog.net-20050517070147-c38da17418ea6711
- Add patch to give symlink support

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# Copyright (C) 2005 by 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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import os
18
 
import sys
19
 
 
20
 
import bzrlib.errors
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from bzrlib.tests.test_revision import make_branches
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from bzrlib.trace import mutter
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from bzrlib.branch import Branch
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from bzrlib.fetch import greedy_fetch
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from bzrlib.merge import merge
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from bzrlib.clone import copy_branch
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28
 
from bzrlib.tests import TestCaseInTempDir
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from bzrlib.tests.HTTPTestUtil import TestCaseWithWebserver
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31
 
 
32
 
def has_revision(branch, revision_id):
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    try:
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        branch.get_revision_xml(revision_id)
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        return True
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    except bzrlib.errors.NoSuchRevision:
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        return False
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39
 
def fetch_steps(self, br_a, br_b, writable_a):
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    """A foreign test method for testing fetch locally and remotely."""
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    def new_branch(name):
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        os.mkdir(name)
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        return Branch.initialize(name)
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    self.assertFalse(has_revision(br_b, br_a.revision_history()[3]))
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    self.assert_(has_revision(br_b, br_a.revision_history()[2]))
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    self.assertEquals(len(br_b.revision_history()), 7)
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    self.assertEquals(greedy_fetch(br_b, br_a, br_a.revision_history()[2])[0], 0)
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50
 
    # greedy_fetch is not supposed to alter the revision history
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    self.assertEquals(len(br_b.revision_history()), 7)
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    self.assertFalse(has_revision(br_b, br_a.revision_history()[3]))
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54
 
    self.assertEquals(len(br_b.revision_history()), 7)
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    self.assertEquals(greedy_fetch(br_b, br_a, br_a.revision_history()[3])[0], 1)
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    self.assert_(has_revision(br_b, br_a.revision_history()[3]))
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    self.assertFalse(has_revision(br_a, br_b.revision_history()[6]))
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    self.assert_(has_revision(br_a, br_b.revision_history()[5]))
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60
 
    # When a non-branch ancestor is missing, it should be unlisted...
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    # as its not reference from the inventory weave.
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    br_b4 = new_branch('br_4')
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    count, failures = greedy_fetch(br_b4, br_b)
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    self.assertEqual(count, 7)
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    self.assertEqual(failures, [])
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67
 
    self.assertEqual(greedy_fetch(writable_a, br_b)[0], 1)
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    self.assert_(has_revision(br_a, br_b.revision_history()[3]))
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    self.assert_(has_revision(br_a, br_b.revision_history()[4]))
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71
 
    br_b2 = new_branch('br_b2')
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    self.assertEquals(greedy_fetch(br_b2, br_b)[0], 7)
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    self.assert_(has_revision(br_b2, br_b.revision_history()[4]))
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    self.assert_(has_revision(br_b2, br_a.revision_history()[2]))
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    self.assertFalse(has_revision(br_b2, br_a.revision_history()[3]))
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77
 
    br_a2 = new_branch('br_a2')
78
 
    self.assertEquals(greedy_fetch(br_a2, br_a)[0], 9)
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    self.assert_(has_revision(br_a2, br_b.revision_history()[4]))
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    self.assert_(has_revision(br_a2, br_a.revision_history()[3]))
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    self.assert_(has_revision(br_a2, br_a.revision_history()[2]))
82
 
 
83
 
    br_a3 = new_branch('br_a3')
84
 
    self.assertEquals(greedy_fetch(br_a3, br_a2)[0], 0)
85
 
    for revno in range(4):
86
 
        self.assertFalse(has_revision(br_a3, br_a.revision_history()[revno]))
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    self.assertEqual(greedy_fetch(br_a3, br_a2, br_a.revision_history()[2])[0], 3)
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    fetched = greedy_fetch(br_a3, br_a2, br_a.revision_history()[3])[0]
89
 
    self.assertEquals(fetched, 3, "fetched %d instead of 3" % fetched)
90
 
    # InstallFailed should be raised if the branch is missing the revision
91
 
    # that was requested.
92
 
    self.assertRaises(bzrlib.errors.InstallFailed, greedy_fetch, br_a3,
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                      br_a2, 'pizza')
94
 
    # InstallFailed should be raised if the branch is missing a revision
95
 
    # from its own revision history
96
 
    br_a2.append_revision('a-b-c')
97
 
    self.assertRaises(bzrlib.errors.InstallFailed, greedy_fetch, br_a3,
98
 
                      br_a2)
99
 
 
100
 
 
101
 
    #TODO: test that fetch correctly does reweaving when needed. RBC 20051008
102
 
 
103
 
class TestFetch(TestCaseInTempDir):
104
 
 
105
 
    def test_fetch(self):
106
 
        #highest indices a: 5, b: 7
107
 
        br_a, br_b = make_branches(self)
108
 
        fetch_steps(self, br_a, br_b, br_a)
109
 
 
110
 
 
111
 
class TestMergeFetch(TestCaseInTempDir):
112
 
 
113
 
    def test_merge_fetches_unrelated(self):
114
 
        """Merge brings across history from unrelated source"""
115
 
        os.mkdir('br1')
116
 
        br1 = Branch.initialize('br1')
117
 
        br1.working_tree().commit(message='rev 1-1', rev_id='1-1')
118
 
        br1.working_tree().commit(message='rev 1-2', rev_id='1-2')
119
 
        os.mkdir('br2')
120
 
        br2 = Branch.initialize('br2')
121
 
        br2.working_tree().commit(message='rev 2-1', rev_id='2-1')
122
 
        merge(other_revision=['br1', -1], base_revision=['br1', 0],
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              this_dir='br2')
124
 
        self._check_revs_present(br2)
125
 
 
126
 
    def test_merge_fetches(self):
127
 
        """Merge brings across history from source"""
128
 
        os.mkdir('br1')
129
 
        br1 = Branch.initialize('br1')
130
 
        br1.working_tree().commit(message='rev 1-1', rev_id='1-1')
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        copy_branch(br1, 'br2')
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        br2 = Branch.open('br2')
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        br1.working_tree().commit(message='rev 1-2', rev_id='1-2')
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        br2.working_tree().commit(message='rev 2-1', rev_id='2-1')
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        merge(other_revision=['br1', -1], base_revision=[None, None], 
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              this_dir='br2')
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        self._check_revs_present(br2)
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    def _check_revs_present(self, br2):
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        for rev_id in '1-1', '1-2', '2-1':
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            self.assertTrue(br2.has_revision(rev_id))
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            rev = br2.get_revision(rev_id)
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            self.assertEqual(rev.revision_id, rev_id)
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            self.assertTrue(br2.get_inventory(rev_id))
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146
 
 
147
 
 
148
 
class TestMergeFileHistory(TestCaseInTempDir):
149
 
    def setUp(self):
150
 
        TestCaseInTempDir.setUp(self)
151
 
        os.mkdir('br1')
152
 
        br1 = Branch.initialize('br1')
153
 
        self.build_tree_contents([('br1/file', 'original contents\n')])
154
 
        br1.working_tree().add(['file'], ['this-file-id'])
155
 
        br1.working_tree().commit(message='rev 1-1', rev_id='1-1')
156
 
        copy_branch(br1, 'br2')
157
 
        br2 = Branch.open('br2')
158
 
        self.build_tree_contents([('br1/file', 'original from 1\n')])
159
 
        br1.working_tree().commit(message='rev 1-2', rev_id='1-2')
160
 
        self.build_tree_contents([('br1/file', 'agreement\n')])
161
 
        br1.working_tree().commit(message='rev 1-3', rev_id='1-3')
162
 
        self.build_tree_contents([('br2/file', 'contents in 2\n')])
163
 
        br2.working_tree().commit(message='rev 2-1', rev_id='2-1')
164
 
        self.build_tree_contents([('br2/file', 'agreement\n')])
165
 
        br2.working_tree().commit(message='rev 2-2', rev_id='2-2')
166
 
 
167
 
    def test_merge_fetches_file_history(self):
168
 
        """Merge brings across file histories"""
169
 
        br2 = Branch.open('br2')
170
 
        merge(other_revision=['br1', -1], base_revision=[None, None], 
171
 
              this_dir='br2')
172
 
        for rev_id, text in [('1-2', 'original from 1\n'),
173
 
                             ('1-3', 'agreement\n'),
174
 
                             ('2-1', 'contents in 2\n'),
175
 
                             ('2-2', 'agreement\n')]:
176
 
            self.assertEqualDiff(br2.revision_tree(rev_id).get_file_text('this-file-id'),
177
 
                                 text)
178
 
 
179
 
 
180
 
 
181
 
 
182
 
class TestHttpFetch(TestCaseWithWebserver):
183
 
 
184
 
    def setUp(self):
185
 
        super(TestHttpFetch, self).setUp()
186
 
        self.weblogs = []
187
 
 
188
 
    def test_fetch(self):
189
 
        #highest indices a: 5, b: 7
190
 
        br_a, br_b = make_branches(self)
191
 
        br_rem_a = Branch.open(self.get_remote_url(br_a._transport.base))
192
 
        fetch_steps(self, br_rem_a, br_b, br_a)
193
 
 
194
 
    def log(self, *args):
195
 
        """Capture web server log messages for introspection."""
196
 
        super(TestHttpFetch, self).log(*args)
197
 
        # if this call indicates a url being fetched, save it specially
198
 
        if args[0].startswith("webserver"):
199
 
            self.weblogs.append(args[3])
200
 
 
201
 
    def test_weaves_are_retrieved_once(self):
202
 
        self.build_tree(("source/", "source/file", "target/"))
203
 
        branch = Branch.initialize("source")
204
 
        branch.working_tree().add(["file"], ["id"])
205
 
        branch.working_tree().commit("added file")
206
 
        print >>open("source/file", 'w'), "blah"
207
 
        branch.working_tree().commit("changed file")
208
 
        target = Branch.initialize("target/")
209
 
        source = Branch.open(self.get_remote_url("source/"))
210
 
        self.assertEqual(greedy_fetch(target, source), (2, []))
211
 
        # this is the path to the literal file. As format changes 
212
 
        # occur it needs to be updated. FIXME: ask the store for the
213
 
        # path.
214
 
        weave_suffix = 'weaves/ce/id.weave HTTP/1.1" 200 -'
215
 
        self.assertEqual(1,
216
 
            len([log for log in self.weblogs if log.endswith(weave_suffix)]))
217
 
        inventory_weave_suffix = 'inventory.weave HTTP/1.1" 200 -'
218
 
        self.assertEqual(1,
219
 
            len([log for log in self.weblogs if log.endswith(
220
 
                inventory_weave_suffix)]))
221
 
        # this r-h check test will prevent regressions, but it currently already 
222
 
        # passes, before the patch to cache-rh is applied :[
223
 
        revision_history_suffix = 'revision-history HTTP/1.1" 200 -'
224
 
        self.assertEqual(1,
225
 
            len([log for log in self.weblogs if log.endswith(
226
 
                revision_history_suffix)]))
227
 
        self.weblogs = []
228
 
        # check there is nothing more to fetch
229
 
        source = Branch.open(self.get_remote_url("source/"))
230
 
        self.assertEqual(greedy_fetch(target, source), (0, []))
231
 
        self.failUnless(self.weblogs[0].endswith('branch-format HTTP/1.1" 200 -'))
232
 
        self.failUnless(self.weblogs[1].endswith('revision-history HTTP/1.1" 200 -'))
233
 
        self.assertEqual(2, len(self.weblogs))