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# Copyright (C) 2005, 2007 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.repofmt import knitrepo
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.tests.http_utils import TestCaseWithWebserver
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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.upgrade import Convert
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from bzrlib.workingtree import WorkingTree
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# These tests are a bit old; please instead add new tests into
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# interrepository_implementations/ so they'll run on all relevant
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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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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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# that was requested.
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self.assertRaises(errors.InstallFailed, br_a3.fetch, br_a2, 'pizza')
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# TODO: Test trying to fetch from a branch that points to a revision not
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# actually present in its repository. Not every branch format allows you
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# to directly point to such revisions, so it's a bit complicated to
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# construct. One way would be to uncommit and gc the revision, but not
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# every branch supports that. -- mbp 20070814
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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, format='dirstate-tags')
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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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def test_fetch_root_knit(self):
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"""Ensure that knit2.fetch() updates the root knit
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This tests the case where the root has a new revision, but there are no
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corresponding filename, parent, contents or other changes.
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knit1_format = bzrdir.BzrDirMetaFormat1()
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knit1_format.repository_format = knitrepo.RepositoryFormatKnit1()
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knit2_format = bzrdir.BzrDirMetaFormat1()
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knit2_format.repository_format = knitrepo.RepositoryFormatKnit3()
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# we start with a knit1 repository because that causes the
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# root revision to change for each commit, even though the content,
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# parent, name, and other attributes are unchanged.
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tree = self.make_branch_and_tree('tree', knit1_format)
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tree.set_root_id('tree-root')
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tree.commit('rev1', rev_id='rev1')
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tree.commit('rev2', rev_id='rev2')
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# Now we convert it to a knit2 repository so that it has a root knit
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Convert(tree.basedir, knit2_format)
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tree = WorkingTree.open(tree.basedir)
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branch = self.make_branch('branch', format=knit2_format)
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branch.pull(tree.branch, stop_revision='rev1')
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repo = branch.repository
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root_knit = repo.weave_store.get_weave('tree-root',
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repo.get_transaction())
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# Make sure fetch retrieved only what we requested
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self.assertTrue('rev1' in root_knit)
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self.assertTrue('rev2' not in root_knit)
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branch.pull(tree.branch)
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root_knit = repo.weave_store.get_weave('tree-root',
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repo.get_transaction())
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# Make sure that the next revision in the root knit was retrieved,
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# even though the text, name, parent_id, etc., were unchanged.
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self.assertTrue('rev2' in root_knit)
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def test_fetch_incompatible(self):
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knit_tree = self.make_branch_and_tree('knit', format='knit')
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knit3_tree = self.make_branch_and_tree('knit3',
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format='dirstate-with-subtree')
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knit3_tree.commit('blah')
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self.assertRaises(errors.IncompatibleRepositories,
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knit_tree.branch.fetch, knit3_tree.branch)
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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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wt2.merge_from_branch(br1, from_revision='null:')
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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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wt2 = dir_2.open_workingtree()
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wt2.commit(message='rev 2-1', rev_id='2-1')
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wt2.merge_from_branch(br1)
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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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br1 = Branch.open('br1')
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wt2 = WorkingTree.open('br2').merge_from_branch(br1)
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self.addCleanup(br2.unlock)
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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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get_succeeds_re = re.compile(
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'.*"GET .*%s HTTP/1.1" 20[06] - "-" "bzr/%s' %
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( target, bzrlib.__version__))
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if get_succeeds_re.match(line):
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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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# This test depends on knit dasta storage.
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wt = self.make_branch_and_tree('source', format='dirstate-tags')
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wt.add(["file"], ["id"])
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wt.commit("added file")
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open("source/file", 'w').write("blah\n")
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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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# 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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# RBC 20080408: Or perhaps we can assert that no files are fully read
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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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# XXX: This *should* be '1', but more intrusive fetch changes are
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# needed to drop this back to 1.
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self.assertEqual(2, 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.assertTrue(1 >= self._count_log_matches('revision-history',
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self.assertTrue(1 >= self._count_log_matches('last-revision',
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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. We take care to re-use the
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# existing transport so that the request logs we're about to examine
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# aren't cluttered with redundant probes for a smart server.
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# XXX: Perhaps this further parameterisation: test http with smart
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# server, and test http without smart server?
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source = Branch.open(
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self.get_readonly_url("source/"),
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possible_transports=[source.bzrdir.root_transport])
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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',
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self.assertTrue(1 >= self._count_log_matches('revision-history',
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self.assertTrue(1 >= self._count_log_matches('last-revision',
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self.assertEqual(4, len(http_logs))
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class Test1To2Fetch(TestCaseWithTransport):
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"""Tests for Model1To2 failure modes"""
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def make_tree_and_repo(self):
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self.tree = self.make_branch_and_tree('tree', format='pack-0.92')
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self.repo = self.make_repository('rich-repo', format='rich-root-pack')
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self.repo.lock_write()
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self.addCleanup(self.repo.unlock)
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def do_fetch_order_test(self, first, second):
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"""Test that fetch works no matter what the set order of revision is.
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This test depends on the order of items in a set, which is
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implementation-dependant, so we test A, B and then B, A.
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self.make_tree_and_repo()
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self.tree.commit('Commit 1', rev_id=first)
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self.tree.commit('Commit 2', rev_id=second)
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self.repo.fetch(self.tree.branch.repository, second)
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def test_fetch_order_AB(self):
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"""See do_fetch_order_test"""
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self.do_fetch_order_test('A', 'B')
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def test_fetch_order_BA(self):
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"""See do_fetch_order_test"""
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self.do_fetch_order_test('B', 'A')
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def get_parents(self, file_id, revision_id):
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transaction = self.repo.get_transaction()
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vf = self.repo.weave_store.get_weave(file_id, transaction)
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return vf.get_parents_with_ghosts(revision_id)
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def test_fetch_ghosts(self):
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self.make_tree_and_repo()
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self.tree.commit('first commit', rev_id='left-parent')
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self.tree.add_parent_tree_id('ghost-parent')
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fork = self.tree.bzrdir.sprout('fork', 'null:').open_workingtree()
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fork.commit('not a ghost', rev_id='not-ghost-parent')
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self.tree.branch.repository.fetch(fork.branch.repository,
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self.tree.add_parent_tree_id('not-ghost-parent')
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self.tree.commit('second commit', rev_id='second-id')
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self.repo.fetch(self.tree.branch.repository, 'second-id')
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root_id = self.tree.get_root_id()
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self.assertEqual(['left-parent', 'ghost-parent', 'not-ghost-parent'],
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self.get_parents(root_id, 'second-id'))
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def make_two_commits(self, change_root, fetch_twice):
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self.make_tree_and_repo()
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self.tree.commit('first commit', rev_id='first-id')
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self.tree.set_root_id('unique-id')
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self.tree.commit('second commit', rev_id='second-id')
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self.repo.fetch(self.tree.branch.repository, 'first-id')
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self.repo.fetch(self.tree.branch.repository, 'second-id')
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def test_fetch_changed_root(self):
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self.make_two_commits(change_root=True, fetch_twice=False)
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self.assertEqual([], self.get_parents('unique-id', 'second-id'))
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def test_two_fetch_changed_root(self):
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self.make_two_commits(change_root=True, fetch_twice=True)
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self.assertEqual([], self.get_parents('unique-id', 'second-id'))
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def test_two_fetches(self):
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self.make_two_commits(change_root=False, fetch_twice=True)
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self.assertEqual(['first-id'],
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self.get_parents('TREE_ROOT', 'second-id'))
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removed
bzrlib/tests/test_fetch.py
