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# Copyright (C) 2005 by Canonical Ltd
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os
import sys
from bzrlib.branch import Branch
from bzrlib.bzrdir import BzrDir
from bzrlib.builtins import merge
import bzrlib.errors
from bzrlib.tests import TestCaseWithTransport
from bzrlib.tests.HTTPTestUtil import TestCaseWithWebserver
from bzrlib.tests.test_revision import make_branches
from bzrlib.trace import mutter
from bzrlib.workingtree import WorkingTree
def has_revision(branch, revision_id):
return branch.repository.has_revision(revision_id)
def fetch_steps(self, br_a, br_b, writable_a):
"""A foreign test method for testing fetch locally and remotely."""
# TODO RBC 20060201 make this a repository test.
repo_b = br_b.repository
self.assertFalse(repo_b.has_revision(br_a.revision_history()[3]))
self.assertTrue(repo_b.has_revision(br_a.revision_history()[2]))
self.assertEquals(len(br_b.revision_history()), 7)
self.assertEquals(br_b.fetch(br_a, br_a.revision_history()[2])[0], 0)
# branch.fetch is not supposed to alter the revision history
self.assertEquals(len(br_b.revision_history()), 7)
self.assertFalse(repo_b.has_revision(br_a.revision_history()[3]))
# fetching the next revision up in sample data copies one revision
self.assertEquals(br_b.fetch(br_a, br_a.revision_history()[3])[0], 1)
self.assertTrue(repo_b.has_revision(br_a.revision_history()[3]))
self.assertFalse(has_revision(br_a, br_b.revision_history()[6]))
self.assertTrue(br_a.repository.has_revision(br_b.revision_history()[5]))
# When a non-branch ancestor is missing, it should be unlisted...
# as its not reference from the inventory weave.
br_b4 = self.make_branch('br_4')
count, failures = br_b4.fetch(br_b)
self.assertEqual(count, 7)
self.assertEqual(failures, [])
self.assertEqual(writable_a.fetch(br_b)[0], 1)
self.assertTrue(has_revision(br_a, br_b.revision_history()[3]))
self.assertTrue(has_revision(br_a, br_b.revision_history()[4]))
br_b2 = self.make_branch('br_b2')
self.assertEquals(br_b2.fetch(br_b)[0], 7)
self.assertTrue(has_revision(br_b2, br_b.revision_history()[4]))
self.assertTrue(has_revision(br_b2, br_a.revision_history()[2]))
self.assertFalse(has_revision(br_b2, br_a.revision_history()[3]))
br_a2 = self.make_branch('br_a2')
self.assertEquals(br_a2.fetch(br_a)[0], 9)
self.assertTrue(has_revision(br_a2, br_b.revision_history()[4]))
self.assertTrue(has_revision(br_a2, br_a.revision_history()[3]))
self.assertTrue(has_revision(br_a2, br_a.revision_history()[2]))
br_a3 = self.make_branch('br_a3')
# pulling a branch with no revisions grabs nothing, regardless of
# whats in the inventory.
self.assertEquals(br_a3.fetch(br_a2)[0], 0)
for revno in range(4):
self.assertFalse(
br_a3.repository.has_revision(br_a.revision_history()[revno]))
self.assertEqual(br_a3.fetch(br_a2, br_a.revision_history()[2])[0], 3)
# pull the 3 revisions introduced by a@u-0-3
fetched = br_a3.fetch(br_a2, br_a.revision_history()[3])[0]
self.assertEquals(fetched, 3, "fetched %d instead of 3" % fetched)
# InstallFailed should be raised if the branch is missing the revision
# that was requested.
self.assertRaises(bzrlib.errors.InstallFailed, br_a3.fetch, br_a2, 'pizza')
# InstallFailed should be raised if the branch is missing a revision
# from its own revision history
br_a2.append_revision('a-b-c')
self.assertRaises(bzrlib.errors.InstallFailed, br_a3.fetch, br_a2)
#TODO: test that fetch correctly does reweaving when needed. RBC 20051008
# Note that this means - updating the weave when ghosts are filled in to
# add the right parents.
class TestFetch(TestCaseWithTransport):
def test_fetch(self):
#highest indices a: 5, b: 7
br_a, br_b = make_branches(self)
fetch_steps(self, br_a, br_b, br_a)
class TestMergeFetch(TestCaseWithTransport):
def test_merge_fetches_unrelated(self):
"""Merge brings across history from unrelated source"""
wt1 = self.make_branch_and_tree('br1')
br1 = wt1.branch
wt1.commit(message='rev 1-1', rev_id='1-1')
wt1.commit(message='rev 1-2', rev_id='1-2')
wt2 = self.make_branch_and_tree('br2')
br2 = wt2.branch
wt2.commit(message='rev 2-1', rev_id='2-1')
merge(other_revision=['br1', -1], base_revision=['br1', 0],
this_dir='br2')
self._check_revs_present(br2)
def test_merge_fetches(self):
"""Merge brings across history from source"""
wt1 = self.make_branch_and_tree('br1')
br1 = wt1.branch
wt1.commit(message='rev 1-1', rev_id='1-1')
dir_2 = br1.bzrdir.sprout('br2')
br2 = dir_2.open_branch()
wt1.commit(message='rev 1-2', rev_id='1-2')
dir_2.open_workingtree().commit(message='rev 2-1', rev_id='2-1')
merge(other_revision=['br1', -1], base_revision=[None, None],
this_dir='br2')
self._check_revs_present(br2)
def _check_revs_present(self, br2):
for rev_id in '1-1', '1-2', '2-1':
self.assertTrue(br2.repository.has_revision(rev_id))
rev = br2.repository.get_revision(rev_id)
self.assertEqual(rev.revision_id, rev_id)
self.assertTrue(br2.repository.get_inventory(rev_id))
class TestMergeFileHistory(TestCaseWithTransport):
def setUp(self):
super(TestMergeFileHistory, self).setUp()
wt1 = self.make_branch_and_tree('br1')
br1 = wt1.branch
self.build_tree_contents([('br1/file', 'original contents\n')])
wt1.add('file', 'this-file-id')
wt1.commit(message='rev 1-1', rev_id='1-1')
dir_2 = br1.bzrdir.sprout('br2')
br2 = dir_2.open_branch()
wt2 = dir_2.open_workingtree()
self.build_tree_contents([('br1/file', 'original from 1\n')])
wt1.commit(message='rev 1-2', rev_id='1-2')
self.build_tree_contents([('br1/file', 'agreement\n')])
wt1.commit(message='rev 1-3', rev_id='1-3')
self.build_tree_contents([('br2/file', 'contents in 2\n')])
wt2.commit(message='rev 2-1', rev_id='2-1')
self.build_tree_contents([('br2/file', 'agreement\n')])
wt2.commit(message='rev 2-2', rev_id='2-2')
def test_merge_fetches_file_history(self):
"""Merge brings across file histories"""
br2 = Branch.open('br2')
merge(other_revision=['br1', -1], base_revision=[None, None],
this_dir='br2')
for rev_id, text in [('1-2', 'original from 1\n'),
('1-3', 'agreement\n'),
('2-1', 'contents in 2\n'),
('2-2', 'agreement\n')]:
self.assertEqualDiff(
br2.repository.revision_tree(
rev_id).get_file_text('this-file-id'), text)
class TestHttpFetch(TestCaseWithWebserver):
# FIXME RBC 20060124 this really isn't web specific, perhaps an
# instrumented readonly transport? Can we do an instrumented
# adapter and use self.get_readonly_url ?
def test_fetch(self):
#highest indices a: 5, b: 7
br_a, br_b = make_branches(self)
br_rem_a = Branch.open(self.get_readonly_url('branch1'))
fetch_steps(self, br_rem_a, br_b, br_a)
def test_weaves_are_retrieved_once(self):
self.build_tree(("source/", "source/file", "target/"))
wt = self.make_branch_and_tree('source')
branch = wt.branch
wt.add(["file"], ["id"])
wt.commit("added file")
print >>open("source/file", 'w'), "blah"
wt.commit("changed file")
target = BzrDir.create_branch_and_repo("target/")
source = Branch.open(self.get_readonly_url("source/"))
self.assertEqual(target.fetch(source), (2, []))
log_pattern = '%%s HTTP/1.1" 200 - "-" "bzr/%s"' % bzrlib.__version__
# this is the path to the literal file. As format changes
# occur it needs to be updated. FIXME: ask the store for the
# path.
weave_suffix = log_pattern % 'weaves/ce/id.weave'
self.assertEqual(1,
len([log for log in self.get_readonly_server().logs if log.endswith(weave_suffix)]))
inventory_weave_suffix = log_pattern % 'inventory.weave'
self.assertEqual(1,
len([log for log in self.get_readonly_server().logs if log.endswith(
inventory_weave_suffix)]))
# this r-h check test will prevent regressions, but it currently already
# passes, before the patch to cache-rh is applied :[
revision_history_suffix = log_pattern % 'revision-history'
self.assertEqual(1,
len([log for log in self.get_readonly_server().logs if log.endswith(
revision_history_suffix)]))
# FIXME naughty poking in there.
self.get_readonly_server().logs = []
# check there is nothing more to fetch
source = Branch.open(self.get_readonly_url("source/"))
self.assertEqual(target.fetch(source), (0, []))
self.failUnless(self.get_readonly_server().logs[0].endswith(log_pattern % 'branch-format'))
self.failUnless(self.get_readonly_server().logs[1].endswith(log_pattern % 'revision-history'))
self.assertEqual(2, len(self.get_readonly_server().logs))
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