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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
import bzrlib.errors
from bzrlib.tests.test_revision import make_branches
from bzrlib.trace import mutter
from bzrlib.branch import Branch
from bzrlib.fetch import greedy_fetch
from bzrlib.merge import merge
from bzrlib.clone import copy_branch
from bzrlib.tests import TestCaseInTempDir
from bzrlib.tests.HTTPTestUtil import TestCaseWithWebserver
def has_revision(branch, revision_id):
try:
branch.get_revision_xml(revision_id)
return True
except bzrlib.errors.NoSuchRevision:
return False
def fetch_steps(self, br_a, br_b, writable_a):
"""A foreign test method for testing fetch locally and remotely."""
def new_branch(name):
os.mkdir(name)
return Branch.initialize(name)
self.assertFalse(has_revision(br_b, br_a.revision_history()[3]))
self.assert_(has_revision(br_b, br_a.revision_history()[2]))
self.assertEquals(len(br_b.revision_history()), 7)
self.assertEquals(greedy_fetch(br_b, br_a, br_a.revision_history()[2])[0], 0)
# greedy_fetch is not supposed to alter the revision history
self.assertEquals(len(br_b.revision_history()), 7)
self.assertFalse(has_revision(br_b, br_a.revision_history()[3]))
self.assertEquals(len(br_b.revision_history()), 7)
self.assertEquals(greedy_fetch(br_b, br_a, br_a.revision_history()[3])[0], 1)
self.assert_(has_revision(br_b, br_a.revision_history()[3]))
self.assertFalse(has_revision(br_a, br_b.revision_history()[6]))
self.assert_(has_revision(br_a, 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 = new_branch('br_4')
count, failures = greedy_fetch(br_b4, br_b)
self.assertEqual(count, 7)
self.assertEqual(failures, [])
self.assertEqual(greedy_fetch(writable_a, br_b)[0], 1)
self.assert_(has_revision(br_a, br_b.revision_history()[3]))
self.assert_(has_revision(br_a, br_b.revision_history()[4]))
br_b2 = new_branch('br_b2')
self.assertEquals(greedy_fetch(br_b2, br_b)[0], 7)
self.assert_(has_revision(br_b2, br_b.revision_history()[4]))
self.assert_(has_revision(br_b2, br_a.revision_history()[2]))
self.assertFalse(has_revision(br_b2, br_a.revision_history()[3]))
br_a2 = new_branch('br_a2')
self.assertEquals(greedy_fetch(br_a2, br_a)[0], 9)
self.assert_(has_revision(br_a2, br_b.revision_history()[4]))
self.assert_(has_revision(br_a2, br_a.revision_history()[3]))
self.assert_(has_revision(br_a2, br_a.revision_history()[2]))
br_a3 = new_branch('br_a3')
self.assertEquals(greedy_fetch(br_a3, br_a2)[0], 0)
for revno in range(4):
self.assertFalse(has_revision(br_a3, br_a.revision_history()[revno]))
self.assertEqual(greedy_fetch(br_a3, br_a2, br_a.revision_history()[2])[0], 3)
fetched = greedy_fetch(br_a3, 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, greedy_fetch, br_a3,
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, greedy_fetch, br_a3,
br_a2)
#TODO: test that fetch correctly does reweaving when needed. RBC 20051008
class TestFetch(TestCaseInTempDir):
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(TestCaseInTempDir):
def test_merge_fetches_unrelated(self):
"""Merge brings across history from unrelated source"""
os.mkdir('br1')
br1 = Branch.initialize('br1')
br1.working_tree().commit(message='rev 1-1', rev_id='1-1')
br1.working_tree().commit(message='rev 1-2', rev_id='1-2')
os.mkdir('br2')
br2 = Branch.initialize('br2')
br2.working_tree().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"""
os.mkdir('br1')
br1 = Branch.initialize('br1')
br1.working_tree().commit(message='rev 1-1', rev_id='1-1')
copy_branch(br1, 'br2')
br2 = Branch.open('br2')
br1.working_tree().commit(message='rev 1-2', rev_id='1-2')
br2.working_tree().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.has_revision(rev_id))
rev = br2.get_revision(rev_id)
self.assertEqual(rev.revision_id, rev_id)
self.assertTrue(br2.get_inventory(rev_id))
class TestMergeFileHistory(TestCaseInTempDir):
def setUp(self):
TestCaseInTempDir.setUp(self)
os.mkdir('br1')
br1 = Branch.initialize('br1')
self.build_tree_contents([('br1/file', 'original contents\n')])
br1.working_tree().add(['file'], ['this-file-id'])
br1.working_tree().commit(message='rev 1-1', rev_id='1-1')
copy_branch(br1, 'br2')
br2 = Branch.open('br2')
self.build_tree_contents([('br1/file', 'original from 1\n')])
br1.working_tree().commit(message='rev 1-2', rev_id='1-2')
self.build_tree_contents([('br1/file', 'agreement\n')])
br1.working_tree().commit(message='rev 1-3', rev_id='1-3')
self.build_tree_contents([('br2/file', 'contents in 2\n')])
br2.working_tree().commit(message='rev 2-1', rev_id='2-1')
self.build_tree_contents([('br2/file', 'agreement\n')])
br2.working_tree().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.revision_tree(rev_id).get_file_text('this-file-id'),
text)
class TestHttpFetch(TestCaseWithWebserver):
def setUp(self):
super(TestHttpFetch, self).setUp()
self.weblogs = []
def test_fetch(self):
#highest indices a: 5, b: 7
br_a, br_b = make_branches(self)
br_rem_a = Branch.open(self.get_remote_url(br_a._transport.base))
fetch_steps(self, br_rem_a, br_b, br_a)
def log(self, *args):
"""Capture web server log messages for introspection."""
super(TestHttpFetch, self).log(*args)
# if this call indicates a url being fetched, save it specially
if args[0].startswith("webserver"):
self.weblogs.append(args[3])
def test_weaves_are_retrieved_once(self):
self.build_tree(("source/", "source/file", "target/"))
branch = Branch.initialize("source")
branch.working_tree().add(["file"], ["id"])
branch.working_tree().commit("added file")
print >>open("source/file", 'w'), "blah"
branch.working_tree().commit("changed file")
target = Branch.initialize("target/")
source = Branch.open(self.get_remote_url("source/"))
self.assertEqual(greedy_fetch(target, 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.
weave_suffix = 'weaves/ce/id.weave HTTP/1.1" 200 -'
self.assertEqual(1,
len([log for log in self.weblogs if log.endswith(weave_suffix)]))
inventory_weave_suffix = 'inventory.weave HTTP/1.1" 200 -'
self.assertEqual(1,
len([log for log in self.weblogs 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 = 'revision-history HTTP/1.1" 200 -'
self.assertEqual(1,
len([log for log in self.weblogs if log.endswith(
revision_history_suffix)]))
self.weblogs = []
# check there is nothing more to fetch
source = Branch.open(self.get_remote_url("source/"))
self.assertEqual(greedy_fetch(target, source), (0, []))
self.failUnless(self.weblogs[0].endswith('branch-format HTTP/1.1" 200 -'))
self.failUnless(self.weblogs[1].endswith('revision-history HTTP/1.1" 200 -'))
self.assertEqual(2, len(self.weblogs))
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