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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.selftest.testrevision import make_branches
from bzrlib.trace import mutter
from bzrlib.branch import Branch
from bzrlib.fetch import greedy_fetch
from bzrlib.selftest import TestCaseInTempDir
from bzrlib.selftest.HTTPTestUtil import TestCaseWithWebserver
def has_revision(branch, revision_id):
try:
branch.get_revision_xml_file(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)
assert not has_revision(br_b, br_a.revision_history()[3])
assert has_revision(br_b, br_a.revision_history()[2])
assert len(br_b.revision_history()) == 7
assert greedy_fetch(br_b, br_a, br_a.revision_history()[2])[0] == 0
# greedy_fetch is not supposed to alter the revision history
assert len(br_b.revision_history()) == 7
assert not has_revision(br_b, br_a.revision_history()[3])
assert len(br_b.revision_history()) == 7
assert greedy_fetch(br_b, br_a, br_a.revision_history()[3])[0] == 1
assert has_revision(br_b, br_a.revision_history()[3])
assert not has_revision(br_a, br_b.revision_history()[6])
assert has_revision(br_a, br_b.revision_history()[5])
# When a non-branch ancestor is missing, it should be unlisted...
# as its not present in the ancestry 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)
assert has_revision(br_a, br_b.revision_history()[3])
assert has_revision(br_a, br_b.revision_history()[4])
br_b2 = new_branch('br_b2')
assert greedy_fetch(br_b2, br_b)[0] == 7
assert has_revision(br_b2, br_b.revision_history()[4])
assert has_revision(br_b2, br_a.revision_history()[2])
assert not has_revision(br_b2, br_a.revision_history()[3])
br_a2 = new_branch('br_a2')
assert greedy_fetch(br_a2, br_a)[0] == 9
assert has_revision(br_a2, br_b.revision_history()[4])
assert has_revision(br_a2, br_a.revision_history()[3])
assert has_revision(br_a2, br_a.revision_history()[2])
br_a3 = new_branch('br_a3')
assert greedy_fetch(br_a3, br_a2)[0] == 0
for revno in range(4):
assert not 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]
assert 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)
class TestFetch(TestCaseInTempDir):
def test_fetch(self):
#highest indices a: 5, b: 7
br_a, br_b = make_branches()
fetch_steps(self, br_a, br_b, br_a)
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()
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 args[0].startswith("webserver"):
self.weblogs.append(args[0])
def test_weaves_are_retrieved_once(self):
self.build_tree(("source/", "source/file", "target/"))
branch = Branch.initialize("source")
branch.add(["file"], ["id"])
branch.commit("added file")
print >>open("source/file", 'w'), "blah"
branch.commit("changed file")
target = Branch.initialize("target/")
source = Branch.open(self.get_remote_url("source/"))
source.weave_store.enable_cache = False
self.assertEqual(greedy_fetch(target, source), (2, []))
weave_suffix = 'weaves/id.weave HTTP/1.1" 200 -'
self.assertEqual(1,
len([log for log in self.weblogs if log.endswith(weave_suffix)]))
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