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# test_remote.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
import random
import tempfile
from unittest import skipIf
from git import (
RemoteProgress,
FetchInfo,
Reference,
SymbolicReference,
Head,
Commit,
PushInfo,
RemoteReference,
TagReference,
Remote,
GitCommandError
)
from git.cmd import Git
from git.compat import string_types
from git.test.lib import (
TestBase,
with_rw_repo,
with_rw_and_rw_remote_repo,
fixture,
GIT_DAEMON_PORT,
assert_raises
)
from git.util import IterableList, rmtree, HIDE_WINDOWS_FREEZE_ERRORS
import os.path as osp
# assure we have repeatable results
random.seed(0)
class TestRemoteProgress(RemoteProgress):
__slots__ = ("_seen_lines", "_stages_per_op", '_num_progress_messages')
def __init__(self):
super(TestRemoteProgress, self).__init__()
self._seen_lines = []
self._stages_per_op = {}
self._num_progress_messages = 0
def _parse_progress_line(self, line):
# we may remove the line later if it is dropped
# Keep it for debugging
self._seen_lines.append(line)
rval = super(TestRemoteProgress, self)._parse_progress_line(line)
assert len(line) > 1, "line %r too short" % line
return rval
def line_dropped(self, line):
try:
self._seen_lines.remove(line)
except ValueError:
pass
def update(self, op_code, cur_count, max_count=None, message=''):
# check each stage only comes once
op_id = op_code & self.OP_MASK
assert op_id in (self.COUNTING, self.COMPRESSING, self.WRITING)
if op_code & self.WRITING > 0:
if op_code & self.BEGIN > 0:
assert not message, 'should not have message when remote begins writing'
elif op_code & self.END > 0:
assert message
assert not message.startswith(', '), "Sanitize progress messages: '%s'" % message
assert not message.endswith(', '), "Sanitize progress messages: '%s'" % message
self._stages_per_op.setdefault(op_id, 0)
self._stages_per_op[op_id] = self._stages_per_op[op_id] | (op_code & self.STAGE_MASK)
if op_code & (self.WRITING | self.END) == (self.WRITING | self.END):
assert message
# END check we get message
self._num_progress_messages += 1
def make_assertion(self):
# we don't always receive messages
if not self._seen_lines:
return
# sometimes objects are not compressed which is okay
assert len(self._seen_ops) in (2, 3), len(self._seen_ops)
assert self._stages_per_op
# must have seen all stages
for op, stages in self._stages_per_op.items(): # @UnusedVariable
assert stages & self.STAGE_MASK == self.STAGE_MASK
# END for each op/stage
def assert_received_message(self):
assert self._num_progress_messages
class TestRemote(TestBase):
def tearDown(self):
import gc
gc.collect()
def _print_fetchhead(self, repo):
with open(osp.join(repo.git_dir, "FETCH_HEAD")):
pass
def _do_test_fetch_result(self, results, remote):
# self._print_fetchhead(remote.repo)
self.assertGreater(len(results), 0)
self.assertIsInstance(results[0], FetchInfo)
for info in results:
self.assertIsInstance(info.note, string_types)
if isinstance(info.ref, Reference):
self.assertTrue(info.flags)
# END reference type flags handling
self.assertIsInstance(info.ref, (SymbolicReference, Reference))
if info.flags & (info.FORCED_UPDATE | info.FAST_FORWARD):
self.assertIsInstance(info.old_commit, Commit)
else:
self.assertIsNone(info.old_commit)
# END forced update checking
# END for each info
def _do_test_push_result(self, results, remote):
self.assertGreater(len(results), 0)
self.assertIsInstance(results[0], PushInfo)
for info in results:
self.assertTrue(info.flags)
self.assertIsInstance(info.summary, string_types)
if info.old_commit is not None:
self.assertIsInstance(info.old_commit, Commit)
if info.flags & info.ERROR:
has_one = False
for bitflag in (info.REJECTED, info.REMOTE_REJECTED, info.REMOTE_FAILURE):
has_one |= bool(info.flags & bitflag)
# END for each bitflag
self.assertTrue(has_one)
else:
# there must be a remote commit
if info.flags & info.DELETED == 0:
self.assertIsInstance(info.local_ref, Reference)
else:
self.assertIsNone(info.local_ref)
self.assertIn(type(info.remote_ref), (TagReference, RemoteReference))
# END error checking
# END for each info
def _do_test_fetch_info(self, repo):
self.failUnlessRaises(ValueError, FetchInfo._from_line, repo, "nonsense", '')
self.failUnlessRaises(
ValueError, FetchInfo._from_line, repo, "? [up to date] 0.1.7RC -> origin/0.1.7RC", '')
def _commit_random_file(self, repo):
# Create a file with a random name and random data and commit it to repo.
# Return the committed absolute file path
index = repo.index
new_file = self._make_file(osp.basename(tempfile.mktemp()), str(random.random()), repo)
index.add([new_file])
index.commit("Committing %s" % new_file)
return new_file
def _do_test_fetch(self, remote, rw_repo, remote_repo):
# specialized fetch testing to de-clutter the main test
self._do_test_fetch_info(rw_repo)
def fetch_and_test(remote, **kwargs):
progress = TestRemoteProgress()
kwargs['progress'] = progress
res = remote.fetch(**kwargs)
progress.make_assertion()
self._do_test_fetch_result(res, remote)
return res
# END fetch and check
def get_info(res, remote, name):
return res["%s/%s" % (remote, name)]
# put remote head to master as it is guaranteed to exist
remote_repo.head.reference = remote_repo.heads.master
res = fetch_and_test(remote)
# all up to date
for info in res:
self.assertTrue(info.flags & info.HEAD_UPTODATE)
# rewind remote head to trigger rejection
# index must be false as remote is a bare repo
rhead = remote_repo.head
remote_commit = rhead.commit
rhead.reset("HEAD~2", index=False)
res = fetch_and_test(remote)
mkey = "%s/%s" % (remote, 'master')
master_info = res[mkey]
self.assertTrue(master_info.flags & FetchInfo.FORCED_UPDATE)
self.assertIsNotNone(master_info.note)
# normal fast forward - set head back to previous one
rhead.commit = remote_commit
res = fetch_and_test(remote)
self.assertTrue(res[mkey].flags & FetchInfo.FAST_FORWARD)
# new remote branch
new_remote_branch = Head.create(remote_repo, "new_branch")
res = fetch_and_test(remote)
new_branch_info = get_info(res, remote, new_remote_branch)
self.assertTrue(new_branch_info.flags & FetchInfo.NEW_HEAD)
# remote branch rename ( causes creation of a new one locally )
new_remote_branch.rename("other_branch_name")
res = fetch_and_test(remote)
other_branch_info = get_info(res, remote, new_remote_branch)
self.assertEqual(other_branch_info.ref.commit, new_branch_info.ref.commit)
# remove new branch
Head.delete(new_remote_branch.repo, new_remote_branch)
res = fetch_and_test(remote)
# deleted remote will not be fetched
self.failUnlessRaises(IndexError, get_info, res, remote, new_remote_branch)
# prune stale tracking branches
stale_refs = remote.stale_refs
self.assertEqual(len(stale_refs), 2)
self.assertIsInstance(stale_refs[0], RemoteReference)
RemoteReference.delete(rw_repo, *stale_refs)
# test single branch fetch with refspec including target remote
res = fetch_and_test(remote, refspec="master:refs/remotes/%s/master" % remote)
self.assertEqual(len(res), 1)
self.assertTrue(get_info(res, remote, 'master'))
# ... with respec and no target
res = fetch_and_test(remote, refspec='master')
self.assertEqual(len(res), 1)
# ... multiple refspecs ... works, but git command returns with error if one ref is wrong without
# doing anything. This is new in later binaries
# res = fetch_and_test(remote, refspec=['master', 'fred'])
# self.assertEqual(len(res), 1)
# add new tag reference
rtag = TagReference.create(remote_repo, "1.0-RV_hello.there")
res = fetch_and_test(remote, tags=True)
tinfo = res[str(rtag)]
self.assertIsInstance(tinfo.ref, TagReference)
self.assertEqual(tinfo.ref.commit, rtag.commit)
self.assertTrue(tinfo.flags & tinfo.NEW_TAG)
# adjust the local tag commit
Reference.set_object(rtag, rhead.commit.parents[0].parents[0])
# as of git 2.20 one cannot clobber local tags that have changed without
# specifying --force, and the test assumes you can clobber, so...
force = None
if rw_repo.git.version_info[:2] >= (2, 20):
force = True
res = fetch_and_test(remote, tags=True, force=force)
tinfo = res[str(rtag)]
self.assertEqual(tinfo.commit, rtag.commit)
self.assertTrue(tinfo.flags & tinfo.TAG_UPDATE)
# delete remote tag - local one will stay
TagReference.delete(remote_repo, rtag)
res = fetch_and_test(remote, tags=True)
self.failUnlessRaises(IndexError, get_info, res, remote, str(rtag))
# provoke to receive actual objects to see what kind of output we have to
# expect. For that we need a remote transport protocol
# Create a new UN-shared repo and fetch into it after we pushed a change
# to the shared repo
other_repo_dir = tempfile.mktemp("other_repo")
# must clone with a local path for the repo implementation not to freak out
# as it wants local paths only ( which I can understand )
other_repo = remote_repo.clone(other_repo_dir, shared=False)
remote_repo_url = osp.basename(remote_repo.git_dir) # git-daemon runs with appropriate `--base-path`.
remote_repo_url = Git.polish_url("git://localhost:%s/%s" % (GIT_DAEMON_PORT, remote_repo_url))
# put origin to git-url
other_origin = other_repo.remotes.origin
with other_origin.config_writer as cw:
cw.set("url", remote_repo_url)
# it automatically creates alternates as remote_repo is shared as well.
# It will use the transport though and ignore alternates when fetching
# assert not other_repo.alternates # this would fail
# assure we are in the right state
rw_repo.head.reset(remote.refs.master, working_tree=True)
try:
self._commit_random_file(rw_repo)
remote.push(rw_repo.head.reference)
# here I would expect to see remote-information about packing
# objects and so on. Unfortunately, this does not happen
# if we are redirecting the output - git explicitly checks for this
# and only provides progress information to ttys
res = fetch_and_test(other_origin)
finally:
rmtree(other_repo_dir)
# END test and cleanup
def _assert_push_and_pull(self, remote, rw_repo, remote_repo):
# push our changes
lhead = rw_repo.head
# assure we are on master and it is checked out where the remote is
try:
lhead.reference = rw_repo.heads.master
except AttributeError:
# if the author is on a non-master branch, the clones might not have
# a local master yet. We simply create it
lhead.reference = rw_repo.create_head('master')
# END master handling
lhead.reset(remote.refs.master, working_tree=True)
# push without spec should fail ( without further configuration )
# well, works nicely
# self.failUnlessRaises(GitCommandError, remote.push)
# simple file push
self._commit_random_file(rw_repo)
progress = TestRemoteProgress()
res = remote.push(lhead.reference, progress)
self.assertIsInstance(res, IterableList)
self._do_test_push_result(res, remote)
progress.make_assertion()
# rejected - undo last commit
lhead.reset("HEAD~1")
res = remote.push(lhead.reference)
self.assertTrue(res[0].flags & PushInfo.ERROR)
self.assertTrue(res[0].flags & PushInfo.REJECTED)
self._do_test_push_result(res, remote)
# force rejected pull
res = remote.push('+%s' % lhead.reference)
self.assertEqual(res[0].flags & PushInfo.ERROR, 0)
self.assertTrue(res[0].flags & PushInfo.FORCED_UPDATE)
self._do_test_push_result(res, remote)
# invalid refspec
self.failUnlessRaises(GitCommandError, remote.push, "hellothere")
# push new tags
progress = TestRemoteProgress()
to_be_updated = "my_tag.1.0RV"
new_tag = TagReference.create(rw_repo, to_be_updated) # @UnusedVariable
other_tag = TagReference.create(rw_repo, "my_obj_tag.2.1aRV", message="my message")
res = remote.push(progress=progress, tags=True)
self.assertTrue(res[-1].flags & PushInfo.NEW_TAG)
progress.make_assertion()
self._do_test_push_result(res, remote)
# update push new tags
# Rejection is default
new_tag = TagReference.create(rw_repo, to_be_updated, ref='HEAD~1', force=True)
res = remote.push(tags=True)
self._do_test_push_result(res, remote)
self.assertTrue(res[-1].flags & PushInfo.REJECTED)
self.assertTrue(res[-1].flags & PushInfo.ERROR)
# push force this tag
res = remote.push("+%s" % new_tag.path)
self.assertEqual(res[-1].flags & PushInfo.ERROR, 0)
self.assertTrue(res[-1].flags & PushInfo.FORCED_UPDATE)
# delete tag - have to do it using refspec
res = remote.push(":%s" % new_tag.path)
self._do_test_push_result(res, remote)
self.assertTrue(res[0].flags & PushInfo.DELETED)
# Currently progress is not properly transferred, especially not using
# the git daemon
# progress.assert_received_message()
# push new branch
new_head = Head.create(rw_repo, "my_new_branch")
progress = TestRemoteProgress()
res = remote.push(new_head, progress)
self.assertGreater(len(res), 0)
self.assertTrue(res[0].flags & PushInfo.NEW_HEAD)
progress.make_assertion()
self._do_test_push_result(res, remote)
# delete new branch on the remote end and locally
res = remote.push(":%s" % new_head.path)
self._do_test_push_result(res, remote)
Head.delete(rw_repo, new_head)
self.assertTrue(res[-1].flags & PushInfo.DELETED)
# --all
res = remote.push(all=True)
self._do_test_push_result(res, remote)
remote.pull('master')
# cleanup - delete created tags and branches as we are in an innerloop on
# the same repository
TagReference.delete(rw_repo, new_tag, other_tag)
remote.push(":%s" % other_tag.path)
@skipIf(HIDE_WINDOWS_FREEZE_ERRORS, "FIXME: Freezes!")
@with_rw_and_rw_remote_repo('0.1.6')
def test_base(self, rw_repo, remote_repo):
num_remotes = 0
remote_set = set()
ran_fetch_test = False
for remote in rw_repo.remotes:
num_remotes += 1
self.assertEqual(remote, remote)
self.assertNotEqual(str(remote), repr(remote))
remote_set.add(remote)
remote_set.add(remote) # should already exist
# REFS
refs = remote.refs
self.assertTrue(refs)
for ref in refs:
self.assertEqual(ref.remote_name, remote.name)
self.assertTrue(ref.remote_head)
# END for each ref
# OPTIONS
# cannot use 'fetch' key anymore as it is now a method
for opt in ("url",):
val = getattr(remote, opt)
reader = remote.config_reader
assert reader.get(opt) == val
assert reader.get_value(opt, None) == val
# unable to write with a reader
self.failUnlessRaises(IOError, reader.set, opt, "test")
# change value
with remote.config_writer as writer:
new_val = "myval"
writer.set(opt, new_val)
assert writer.get(opt) == new_val
writer.set(opt, val)
assert writer.get(opt) == val
assert getattr(remote, opt) == val
# END for each default option key
# RENAME
other_name = "totally_other_name"
prev_name = remote.name
self.assertEqual(remote.rename(other_name), remote)
self.assertNotEqual(prev_name, remote.name)
# multiple times
for _ in range(2):
self.assertEqual(remote.rename(prev_name).name, prev_name)
# END for each rename ( back to prev_name )
# PUSH/PULL TESTING
self._assert_push_and_pull(remote, rw_repo, remote_repo)
# FETCH TESTING
# Only for remotes - local cases are the same or less complicated
# as additional progress information will never be emitted
if remote.name == "daemon_origin":
self._do_test_fetch(remote, rw_repo, remote_repo)
ran_fetch_test = True
# END fetch test
remote.update()
# END for each remote
self.assertTrue(ran_fetch_test)
self.assertTrue(num_remotes)
self.assertEqual(num_remotes, len(remote_set))
origin = rw_repo.remote('origin')
assert origin == rw_repo.remotes.origin
# Verify we can handle prunes when fetching
# stderr lines look like this: x [deleted] (none) -> origin/experiment-2012
# These should just be skipped
# If we don't have a manual checkout, we can't actually assume there are any non-master branches
remote_repo.create_head("myone_for_deletion")
# Get the branch - to be pruned later
origin.fetch()
num_deleted = False
for branch in remote_repo.heads:
if branch.name != 'master':
branch.delete(remote_repo, branch, force=True)
num_deleted += 1
# end
# end for each branch
self.assertGreater(num_deleted, 0)
self.assertEqual(len(rw_repo.remotes.origin.fetch(prune=True)), 1, "deleted everything but master")
@with_rw_repo('HEAD', bare=True)
def test_creation_and_removal(self, bare_rw_repo):
new_name = "test_new_one"
arg_list = (new_name, "git@server:hello.git")
remote = Remote.create(bare_rw_repo, *arg_list)
self.assertEqual(remote.name, "test_new_one")
self.assertIn(remote, bare_rw_repo.remotes)
self.assertTrue(remote.exists())
# create same one again
self.failUnlessRaises(GitCommandError, Remote.create, bare_rw_repo, *arg_list)
Remote.remove(bare_rw_repo, new_name)
self.assertTrue(remote.exists()) # We still have a cache that doesn't know we were deleted by name
remote._clear_cache()
assert not remote.exists() # Cache should be renewed now. This is an issue ...
for remote in bare_rw_repo.remotes:
if remote.name == new_name:
raise AssertionError("Remote removal failed")
# END if deleted remote matches existing remote's name
# END for each remote
# Issue #262 - the next call would fail if bug wasn't fixed
bare_rw_repo.create_remote('bogus', '/bogus/path', mirror='push')
def test_fetch_info(self):
# assure we can handle remote-tracking branches
fetch_info_line_fmt = "c437ee5deb8d00cf02f03720693e4c802e99f390 not-for-merge %s '0.3' of "
fetch_info_line_fmt += "git://github.com/gitpython-developers/GitPython"
remote_info_line_fmt = "* [new branch] nomatter -> %s"
self.failUnlessRaises(ValueError, FetchInfo._from_line, self.rorepo,
remote_info_line_fmt % "refs/something/branch",
"269c498e56feb93e408ed4558c8138d750de8893\t\t/Users/ben/test/foo\n")
fi = FetchInfo._from_line(self.rorepo,
remote_info_line_fmt % "local/master",
fetch_info_line_fmt % 'remote-tracking branch')
assert not fi.ref.is_valid()
self.assertEqual(fi.ref.name, "local/master")
# handles non-default refspecs: One can specify a different path in refs/remotes
# or a special path just in refs/something for instance
fi = FetchInfo._from_line(self.rorepo,
remote_info_line_fmt % "subdir/tagname",
fetch_info_line_fmt % 'tag')
self.assertIsInstance(fi.ref, TagReference)
assert fi.ref.path.startswith('refs/tags'), fi.ref.path
# it could be in a remote direcftory though
fi = FetchInfo._from_line(self.rorepo,
remote_info_line_fmt % "remotename/tags/tagname",
fetch_info_line_fmt % 'tag')
self.assertIsInstance(fi.ref, TagReference)
assert fi.ref.path.startswith('refs/remotes/'), fi.ref.path
# it can also be anywhere !
tag_path = "refs/something/remotename/tags/tagname"
fi = FetchInfo._from_line(self.rorepo,
remote_info_line_fmt % tag_path,
fetch_info_line_fmt % 'tag')
self.assertIsInstance(fi.ref, TagReference)
self.assertEqual(fi.ref.path, tag_path)
# branches default to refs/remotes
fi = FetchInfo._from_line(self.rorepo,
remote_info_line_fmt % "remotename/branch",
fetch_info_line_fmt % 'branch')
self.assertIsInstance(fi.ref, RemoteReference)
self.assertEqual(fi.ref.remote_name, 'remotename')
# but you can force it anywhere, in which case we only have a references
fi = FetchInfo._from_line(self.rorepo,
remote_info_line_fmt % "refs/something/branch",
fetch_info_line_fmt % 'branch')
assert type(fi.ref) is Reference, type(fi.ref)
self.assertEqual(fi.ref.path, "refs/something/branch")
def test_uncommon_branch_names(self):
stderr_lines = fixture('uncommon_branch_prefix_stderr').decode('ascii').splitlines()
fetch_lines = fixture('uncommon_branch_prefix_FETCH_HEAD').decode('ascii').splitlines()
# The contents of the files above must be fetched with a custom refspec:
# +refs/pull/*:refs/heads/pull/*
res = [FetchInfo._from_line('ShouldntMatterRepo', stderr, fetch_line)
for stderr, fetch_line in zip(stderr_lines, fetch_lines)]
self.assertGreater(len(res), 0)
self.assertEqual(res[0].remote_ref_path, 'refs/pull/1/head')
self.assertEqual(res[0].ref.path, 'refs/heads/pull/1/head')
self.assertIsInstance(res[0].ref, Head)
@with_rw_repo('HEAD', bare=False)
def test_multiple_urls(self, rw_repo):
# test addresses
test1 = 'https://github.com/gitpython-developers/GitPython'
test2 = 'https://github.com/gitpython-developers/gitdb'
test3 = 'https://github.com/gitpython-developers/smmap'
remote = rw_repo.remotes[0]
# Testing setting a single URL
remote.set_url(test1)
self.assertEqual(list(remote.urls), [test1])
# Testing replacing that single URL
remote.set_url(test1)
self.assertEqual(list(remote.urls), [test1])
# Testing adding new URLs
remote.set_url(test2, add=True)
self.assertEqual(list(remote.urls), [test1, test2])
remote.set_url(test3, add=True)
self.assertEqual(list(remote.urls), [test1, test2, test3])
# Testing removing an URL
remote.set_url(test2, delete=True)
self.assertEqual(list(remote.urls), [test1, test3])
# Testing changing an URL
remote.set_url(test2, test3)
self.assertEqual(list(remote.urls), [test1, test2])
# will raise: fatal: --add --delete doesn't make sense
assert_raises(GitCommandError, remote.set_url, test2, add=True, delete=True)
# Testing on another remote, with the add/delete URL
remote = rw_repo.create_remote('another', url=test1)
remote.add_url(test2)
self.assertEqual(list(remote.urls), [test1, test2])
remote.add_url(test3)
self.assertEqual(list(remote.urls), [test1, test2, test3])
# Testing removing all the URLs
remote.delete_url(test2)
self.assertEqual(list(remote.urls), [test1, test3])
remote.delete_url(test1)
self.assertEqual(list(remote.urls), [test3])
# will raise fatal: Will not delete all non-push URLs
assert_raises(GitCommandError, remote.delete_url, test3)
def test_fetch_error(self):
rem = self.rorepo.remote('origin')
with self.assertRaisesRegex(GitCommandError, "Couldn't find remote ref __BAD_REF__"):
rem.fetch('__BAD_REF__')
@with_rw_repo('0.1.6', bare=False)
def test_push_error(self, repo):
rem = repo.remote('origin')
with self.assertRaisesRegex(GitCommandError, "src refspec __BAD_REF__ does not match any"):
rem.push('__BAD_REF__')