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# Copyright (C) 2005, 2007 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 re
import sys
import bzrlib
from bzrlib import (
bzrdir,
errors,
merge,
repository,
)
from bzrlib.branch import Branch
from bzrlib.bzrdir import BzrDir
from bzrlib.repofmt import knitrepo
from bzrlib.symbol_versioning import (
zero_ninetyone,
)
from bzrlib.tests import TestCaseWithTransport
from bzrlib.tests.http_utils import TestCaseWithWebserver
from bzrlib.tests.test_revision import make_branches
from bzrlib.trace import mutter
from bzrlib.upgrade import Convert
from bzrlib.workingtree import WorkingTree
# These tests are a bit old; please instead add new tests into
# interrepository_implementations/ so they'll run on all relevant
# combinations.
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(errors.InstallFailed, br_a3.fetch, br_a2, 'pizza')
# TODO: Test trying to fetch from a branch that points to a revision not
# actually present in its repository. Not every branch format allows you
# to directly point to such revisions, so it's a bit complicated to
# construct. One way would be to uncommit and gc the revision, but not
# every branch supports that. -- mbp 20070814
#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, format='dirstate-tags')
fetch_steps(self, br_a, br_b, br_a)
def test_fetch_self(self):
wt = self.make_branch_and_tree('br')
self.assertEqual(wt.branch.fetch(wt.branch), (0, []))
def test_fetch_root_knit(self):
"""Ensure that knit2.fetch() updates the root knit
This tests the case where the root has a new revision, but there are no
corresponding filename, parent, contents or other changes.
"""
knit1_format = bzrdir.BzrDirMetaFormat1()
knit1_format.repository_format = knitrepo.RepositoryFormatKnit1()
knit2_format = bzrdir.BzrDirMetaFormat1()
knit2_format.repository_format = knitrepo.RepositoryFormatKnit3()
# we start with a knit1 repository because that causes the
# root revision to change for each commit, even though the content,
# parent, name, and other attributes are unchanged.
tree = self.make_branch_and_tree('tree', knit1_format)
tree.set_root_id('tree-root')
tree.commit('rev1', rev_id='rev1')
tree.commit('rev2', rev_id='rev2')
# Now we convert it to a knit2 repository so that it has a root knit
Convert(tree.basedir, knit2_format)
tree = WorkingTree.open(tree.basedir)
branch = self.make_branch('branch', format=knit2_format)
branch.pull(tree.branch, stop_revision='rev1')
repo = branch.repository
root_knit = repo.weave_store.get_weave('tree-root',
repo.get_transaction())
# Make sure fetch retrieved only what we requested
self.assertTrue('rev1' in root_knit)
self.assertTrue('rev2' not in root_knit)
branch.pull(tree.branch)
root_knit = repo.weave_store.get_weave('tree-root',
repo.get_transaction())
# Make sure that the next revision in the root knit was retrieved,
# even though the text, name, parent_id, etc., were unchanged.
self.assertTrue('rev2' in root_knit)
def test_fetch_incompatible(self):
knit_tree = self.make_branch_and_tree('knit', format='knit')
knit3_tree = self.make_branch_and_tree('knit3',
format='dirstate-with-subtree')
knit3_tree.commit('blah')
self.assertRaises(errors.IncompatibleRepositories,
knit_tree.branch.fetch, knit3_tree.branch)
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')
wt2.merge_from_branch(br1, from_revision='null:')
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')
wt2 = dir_2.open_workingtree()
wt2.commit(message='rev 2-1', rev_id='2-1')
wt2.merge_from_branch(br1)
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')
br1 = Branch.open('br1')
wt2 = WorkingTree.open('br2').merge_from_branch(br1)
br2.lock_read()
self.addCleanup(br2.unlock)
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 _count_log_matches(self, target, logs):
"""Count the number of times the target file pattern was fetched in an http log"""
get_succeeds_re = re.compile(
'.*"GET .*%s HTTP/1.1" 20[06] - "-" "bzr/%s' %
( target, bzrlib.__version__))
c = 0
for line in logs:
if get_succeeds_re.match(line):
c += 1
return c
def test_weaves_are_retrieved_once(self):
self.build_tree(("source/", "source/file", "target/"))
# This test depends on knit dasta storage.
wt = self.make_branch_and_tree('source', format='dirstate-tags')
branch = wt.branch
wt.add(["file"], ["id"])
wt.commit("added file")
open("source/file", 'w').write("blah\n")
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, []))
# this is the path to the literal file. As format changes
# occur it needs to be updated. FIXME: ask the store for the
# path.
self.log("web server logs are:")
http_logs = self.get_readonly_server().logs
self.log('\n'.join(http_logs))
# unfortunately this log entry is branch format specific. We could
# factor out the 'what files does this format use' to a method on the
# repository, which would let us to this generically. RBC 20060419
self.assertEqual(1, self._count_log_matches('/ce/id.kndx', http_logs))
self.assertEqual(1, self._count_log_matches('/ce/id.knit', http_logs))
self.assertEqual(1, self._count_log_matches('inventory.kndx', http_logs))
# this r-h check test will prevent regressions, but it currently already
# passes, before the patch to cache-rh is applied :[
self.assertTrue(1 >= self._count_log_matches('revision-history',
http_logs))
self.assertTrue(1 >= self._count_log_matches('last-revision',
http_logs))
# FIXME naughty poking in there.
self.get_readonly_server().logs = []
# check there is nothing more to fetch. We take care to re-use the
# existing transport so that the request logs we're about to examine
# aren't cluttered with redundant probes for a smart server.
# XXX: Perhaps this further parameterisation: test http with smart
# server, and test http without smart server?
source = Branch.open(
self.get_readonly_url("source/"),
possible_transports=[source.bzrdir.root_transport])
self.assertEqual(target.fetch(source), (0, []))
# should make just two requests
http_logs = self.get_readonly_server().logs
self.log("web server logs are:")
self.log('\n'.join(http_logs))
self.assertEqual(1, self._count_log_matches('branch-format', http_logs))
self.assertEqual(1, self._count_log_matches('branch/format', http_logs))
self.assertEqual(1, self._count_log_matches('repository/format', http_logs))
self.assertTrue(1 >= self._count_log_matches('revision-history',
http_logs))
self.assertTrue(1 >= self._count_log_matches('last-revision',
http_logs))
self.assertEqual(4, len(http_logs))
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