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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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from bzrlib.branch import Branch
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from bzrlib.bzrdir import BzrDir
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from bzrlib.builtins import merge
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import bzrlib.errors
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.tests.HTTPTestUtil import TestCaseWithWebserver
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from bzrlib.tests.test_revision import make_branches
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from bzrlib.selftest.testrevision import make_branches
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from bzrlib.trace import mutter
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from bzrlib.workingtree import WorkingTree
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def has_revision(branch, revision_id):
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return branch.repository.has_revision(revision_id)
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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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# TODO RBC 20060201 make this a repository test.
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repo_b = br_b.repository
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self.assertFalse(repo_b.has_revision(br_a.revision_history()[3]))
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self.assertTrue(repo_b.has_revision(br_a.revision_history()[2]))
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self.assertEquals(len(br_b.revision_history()), 7)
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self.assertEquals(br_b.fetch(br_a, br_a.revision_history()[2])[0], 0)
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# branch.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(repo_b.has_revision(br_a.revision_history()[3]))
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# fetching the next revision up in sample data copies one revision
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self.assertEquals(br_b.fetch(br_a, br_a.revision_history()[3])[0], 1)
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self.assertTrue(repo_b.has_revision(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.assertTrue(br_a.repository.has_revision(br_b.revision_history()[5]))
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# 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 = self.make_branch('br_4')
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count, failures = br_b4.fetch(br_b)
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self.assertEqual(count, 7)
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self.assertEqual(failures, [])
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self.assertEqual(writable_a.fetch(br_b)[0], 1)
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self.assertTrue(has_revision(br_a, br_b.revision_history()[3]))
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self.assertTrue(has_revision(br_a, br_b.revision_history()[4]))
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from bzrlib.branch import Branch
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from bzrlib.selftest import TestCaseInTempDir
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br_b2 = self.make_branch('br_b2')
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self.assertEquals(br_b2.fetch(br_b)[0], 7)
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self.assertTrue(has_revision(br_b2, br_b.revision_history()[4]))
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self.assertTrue(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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br_a2 = self.make_branch('br_a2')
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self.assertEquals(br_a2.fetch(br_a)[0], 9)
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self.assertTrue(has_revision(br_a2, br_b.revision_history()[4]))
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self.assertTrue(has_revision(br_a2, br_a.revision_history()[3]))
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self.assertTrue(has_revision(br_a2, br_a.revision_history()[2]))
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br_a3 = self.make_branch('br_a3')
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# pulling a branch with no revisions grabs nothing, regardless of
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# whats in the inventory.
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self.assertEquals(br_a3.fetch(br_a2)[0], 0)
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for revno in range(4):
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br_a3.repository.has_revision(br_a.revision_history()[revno]))
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self.assertEqual(br_a3.fetch(br_a2, br_a.revision_history()[2])[0], 3)
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# pull the 3 revisions introduced by a@u-0-3
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fetched = br_a3.fetch(br_a2, br_a.revision_history()[3])[0]
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self.assertEquals(fetched, 3, "fetched %d instead of 3" % fetched)
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# InstallFailed should be raised if the branch is missing the revision
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self.assertRaises(bzrlib.errors.InstallFailed, br_a3.fetch, br_a2, 'pizza')
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# InstallFailed should be raised if the branch is missing a revision
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# from its own revision history
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br_a2.append_revision('a-b-c')
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self.assertRaises(bzrlib.errors.InstallFailed, br_a3.fetch, br_a2)
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# TODO: jam 20051218 Branch should no longer allow append_revision for revisions
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# which don't exist. So this test needs to be rewritten
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# RBC 20060403 the way to do this is to uncommit the revision from the
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# repository after the commit
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#TODO: test that fetch correctly does reweaving when needed. RBC 20051008
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# Note that this means - updating the weave when ghosts are filled in to
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# add the right parents.
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class TestFetch(TestCaseWithTransport):
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def test_fetch(self):
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#highest indices a: 5, b: 7
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br_a, br_b = make_branches(self)
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fetch_steps(self, br_a, br_b, br_a)
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def test_fetch_self(self):
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wt = self.make_branch_and_tree('br')
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self.assertEqual(wt.branch.fetch(wt.branch), (0, []))
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class TestMergeFetch(TestCaseWithTransport):
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def test_merge_fetches_unrelated(self):
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"""Merge brings across history from unrelated source"""
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wt1 = self.make_branch_and_tree('br1')
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wt1.commit(message='rev 1-1', rev_id='1-1')
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wt1.commit(message='rev 1-2', rev_id='1-2')
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wt2 = self.make_branch_and_tree('br2')
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wt2.commit(message='rev 2-1', rev_id='2-1')
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merge(other_revision=['br1', -1], base_revision=['br1', 0],
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self._check_revs_present(br2)
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def test_merge_fetches(self):
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"""Merge brings across history from source"""
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wt1 = self.make_branch_and_tree('br1')
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wt1.commit(message='rev 1-1', rev_id='1-1')
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dir_2 = br1.bzrdir.sprout('br2')
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br2 = dir_2.open_branch()
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wt1.commit(message='rev 1-2', rev_id='1-2')
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dir_2.open_workingtree().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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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.repository.has_revision(rev_id))
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rev = br2.repository.get_revision(rev_id)
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self.assertEqual(rev.revision_id, rev_id)
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self.assertTrue(br2.repository.get_inventory(rev_id))
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class TestMergeFileHistory(TestCaseWithTransport):
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super(TestMergeFileHistory, self).setUp()
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wt1 = self.make_branch_and_tree('br1')
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self.build_tree_contents([('br1/file', 'original contents\n')])
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wt1.add('file', 'this-file-id')
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wt1.commit(message='rev 1-1', rev_id='1-1')
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dir_2 = br1.bzrdir.sprout('br2')
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br2 = dir_2.open_branch()
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wt2 = dir_2.open_workingtree()
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self.build_tree_contents([('br1/file', 'original from 1\n')])
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wt1.commit(message='rev 1-2', rev_id='1-2')
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self.build_tree_contents([('br1/file', 'agreement\n')])
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wt1.commit(message='rev 1-3', rev_id='1-3')
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self.build_tree_contents([('br2/file', 'contents in 2\n')])
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wt2.commit(message='rev 2-1', rev_id='2-1')
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self.build_tree_contents([('br2/file', 'agreement\n')])
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wt2.commit(message='rev 2-2', rev_id='2-2')
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def test_merge_fetches_file_history(self):
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"""Merge brings across file histories"""
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br2 = Branch.open('br2')
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merge(other_revision=['br1', -1], base_revision=[None, None],
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for rev_id, text in [('1-2', 'original from 1\n'),
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('1-3', 'agreement\n'),
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('2-1', 'contents in 2\n'),
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('2-2', 'agreement\n')]:
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self.assertEqualDiff(
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br2.repository.revision_tree(
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rev_id).get_file_text('this-file-id'), text)
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class TestHttpFetch(TestCaseWithWebserver):
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# FIXME RBC 20060124 this really isn't web specific, perhaps an
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# instrumented readonly transport? Can we do an instrumented
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# adapter and use self.get_readonly_url ?
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def test_fetch(self):
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#highest indices a: 5, b: 7
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br_a, br_b = make_branches(self)
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br_rem_a = Branch.open(self.get_readonly_url('branch1'))
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fetch_steps(self, br_rem_a, br_b, br_a)
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def _count_log_matches(self, target, logs):
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"""Count the number of times the target file pattern was fetched in an http log"""
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log_pattern = '%s HTTP/1.1" 200 - "-" "bzr/%s' % \
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(target, bzrlib.__version__)
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# TODO: perhaps use a regexp instead so we can match more
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if line.find(log_pattern) > -1:
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def test_weaves_are_retrieved_once(self):
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self.build_tree(("source/", "source/file", "target/"))
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wt = self.make_branch_and_tree('source')
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wt.add(["file"], ["id"])
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wt.commit("added file")
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print >>open("source/file", 'w'), "blah"
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wt.commit("changed file")
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target = BzrDir.create_branch_and_repo("target/")
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source = Branch.open(self.get_readonly_url("source/"))
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self.assertEqual(target.fetch(source), (2, []))
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log_pattern = '%%s HTTP/1.1" 200 - "-" "bzr/%s' % bzrlib.__version__
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# this is the path to the literal file. As format changes
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# occur it needs to be updated. FIXME: ask the store for the
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self.log("web server logs are:")
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http_logs = self.get_readonly_server().logs
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self.log('\n'.join(http_logs))
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# unfortunately this log entry is branch format specific. We could
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# factor out the 'what files does this format use' to a method on the
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# repository, which would let us to this generically. RBC 20060419
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self.assertEqual(1, self._count_log_matches('/ce/id.kndx', http_logs))
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self.assertEqual(1, self._count_log_matches('/ce/id.knit', http_logs))
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self.assertEqual(1, self._count_log_matches('inventory.kndx', http_logs))
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# this r-h check test will prevent regressions, but it currently already
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# passes, before the patch to cache-rh is applied :[
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self.assertEqual(1, self._count_log_matches('revision-history', http_logs))
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# FIXME naughty poking in there.
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self.get_readonly_server().logs = []
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# check there is nothing more to fetch
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source = Branch.open(self.get_readonly_url("source/"))
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self.assertEqual(target.fetch(source), (0, []))
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# should make just two requests
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http_logs = self.get_readonly_server().logs
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self.log("web server logs are:")
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self.log('\n'.join(http_logs))
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self.assertEqual(1, self._count_log_matches('branch-format', http_logs))
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self.assertEqual(1, self._count_log_matches('branch/format', http_logs))
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self.assertEqual(1, self._count_log_matches('repository/format', http_logs))
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self.assertEqual(1, self._count_log_matches('revision-history', http_logs))
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self.assertEqual(4, len(http_logs))
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class TestFetch(TestCaseInTempDir):
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from bzrlib.fetch import greedy_fetch, has_revision
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return Branch.initialize(name)
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#highest indices a: 5, b: 7
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br_a, br_b = make_branches()
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assert not has_revision(br_b, br_a.revision_history()[3])
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assert has_revision(br_b, br_a.revision_history()[2])
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assert len(br_b.revision_history()) == 7
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assert greedy_fetch(br_b, br_a, br_a.revision_history()[2])[0] == 0
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# greedy_fetch is not supposed to alter the revision history
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assert len(br_b.revision_history()) == 7
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assert not has_revision(br_b, br_a.revision_history()[3])
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assert len(br_b.revision_history()) == 7
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assert greedy_fetch(br_b, br_a, br_a.revision_history()[3])[0] == 1
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assert has_revision(br_b, br_a.revision_history()[3])
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assert not has_revision(br_a, br_b.revision_history()[3])
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assert not has_revision(br_a, br_b.revision_history()[4])
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# When a non-branch ancestor is missing, it should be a failure, not
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br_a4 = new_branch('br_a4')
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count, failures = greedy_fetch(br_a4, br_a)
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assert failures == set((br_b.revision_history()[4],
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br_b.revision_history()[5]))
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assert greedy_fetch(br_a, br_b)[0] == 4
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assert has_revision(br_a, br_b.revision_history()[3])
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assert has_revision(br_a, br_b.revision_history()[4])
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br_b2 = new_branch('br_b2')
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assert greedy_fetch(br_b2, br_b)[0] == 7
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assert has_revision(br_b2, br_b.revision_history()[4])
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assert has_revision(br_b2, br_a.revision_history()[2])
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assert not has_revision(br_b2, br_a.revision_history()[3])
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br_a2 = new_branch('br_a2')
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assert greedy_fetch(br_a2, br_a)[0] == 9
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assert has_revision(br_a2, br_b.revision_history()[4])
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assert has_revision(br_a2, br_a.revision_history()[3])
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br_a3 = new_branch('br_a3')
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assert greedy_fetch(br_a3, br_a2)[0] == 0
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for revno in range(4):
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assert not has_revision(br_a3, br_a.revision_history()[revno])
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assert 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]
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assert fetched == 3, "fetched %d instead of 3" % fetched
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# InstallFailed should be raised if the branch is missing the revision
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self.assertRaises(bzrlib.errors.InstallFailed, greedy_fetch, br_a3,
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# InstallFailed should be raised if the branch is missing a revision
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# from its own revision history
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br_a2.append_revision('a-b-c')
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self.assertRaises(bzrlib.errors.InstallFailed, greedy_fetch, br_a3,
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if __name__ == '__main__':
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sys.exit(unittest.run_suite(unittest.makeSuite()))
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bzrlib/selftest/testfetch.py
