GitPython/git/test/test_repo.py at issue-232-reproduction · og-python-scripts/GitPython · GitHub

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# test_repo.py

# This module is part of GitPython and is released under

# the BSD License: http://www.opensource.org/licenses/bsd-license.php

from git.test.lib import (

patch,

TestBase,

with_rw_repo,

fixture,

assert_false,

assert_equal,

assert_true,

raises

)

from git import (

InvalidGitRepositoryError,

Repo,

NoSuchPathError,

Head,

Commit,

Tree,

IndexFile,

Git,

Reference,

GitDB,

Submodule,

GitCmdObjectDB,

Remote,

BadName,

GitCommandError

)

from git.repo.fun import touch

from git.util import join_path_native

from git.exc import BadObject

from gitdb.util import bin_to_hex

from git.compat import string_types

from gitdb.test.lib import with_rw_directory

import os

import sys

import tempfile

import shutil

from io import BytesIO

class TestRepo(TestBase):

@raises(InvalidGitRepositoryError)

def test_new_should_raise_on_invalid_repo_location(self):

Repo(tempfile.gettempdir())

@raises(NoSuchPathError)

def test_new_should_raise_on_non_existant_path(self):

Repo("repos/foobar")

@with_rw_repo('0.3.2.1')

def test_repo_creation_from_different_paths(self, rw_repo):

r_from_gitdir = Repo(rw_repo.git_dir)

assert r_from_gitdir.git_dir == rw_repo.git_dir

assert r_from_gitdir.git_dir.endswith('.git')

assert not rw_repo.git.working_dir.endswith('.git')

assert r_from_gitdir.git.working_dir == rw_repo.git.working_dir

def test_description(self):

txt = "Test repository"

self.rorepo.description = txt

assert_equal(self.rorepo.description, txt)

def test_heads_should_return_array_of_head_objects(self):

for head in self.rorepo.heads:

assert_equal(Head, head.__class__)

def test_heads_should_populate_head_data(self):

for head in self.rorepo.heads:

assert head.name

assert isinstance(head.commit, Commit)

# END for each head

assert isinstance(self.rorepo.heads.master, Head)

assert isinstance(self.rorepo.heads['master'], Head)

def test_tree_from_revision(self):

tree = self.rorepo.tree('0.1.6')

assert len(tree.hexsha) == 40

assert tree.type == "tree"

assert self.rorepo.tree(tree) == tree

# try from invalid revision that does not exist

self.failUnlessRaises(BadName, self.rorepo.tree, 'hello world')

def test_commit_from_revision(self):

commit = self.rorepo.commit('0.1.4')

assert commit.type == 'commit'

assert self.rorepo.commit(commit) == commit

def test_commits(self):

mc = 10

commits = list(self.rorepo.iter_commits('0.1.6', max_count=mc))

assert len(commits) == mc

c = commits[0]

assert_equal('9a4b1d4d11eee3c5362a4152216376e634bd14cf', c.hexsha)

assert_equal(["c76852d0bff115720af3f27acdb084c59361e5f6"], [p.hexsha for p in c.parents])

assert_equal("ce41fc29549042f1aa09cc03174896cf23f112e3", c.tree.hexsha)

assert_equal("Michael Trier", c.author.name)

assert_equal("mtrier@gmail.com", c.author.email)

assert_equal(1232829715, c.authored_date)

assert_equal(5 * 3600, c.author_tz_offset)

assert_equal("Michael Trier", c.committer.name)

assert_equal("mtrier@gmail.com", c.committer.email)

assert_equal(1232829715, c.committed_date)

assert_equal(5 * 3600, c.committer_tz_offset)

assert_equal("Bumped version 0.1.6\n", c.message)

c = commits[1]

assert isinstance(c.parents, tuple)

def test_trees(self):

mc = 30

num_trees = 0

for tree in self.rorepo.iter_trees('0.1.5', max_count=mc):

num_trees += 1

assert isinstance(tree, Tree)

# END for each tree

assert num_trees == mc

def _assert_empty_repo(self, repo):

# test all kinds of things with an empty, freshly initialized repo.

# It should throw good errors

# entries should be empty

assert len(repo.index.entries) == 0

# head is accessible

assert repo.head

assert repo.head.ref

assert not repo.head.is_valid()

# we can change the head to some other ref

head_ref = Head.from_path(repo, Head.to_full_path('some_head'))

assert not head_ref.is_valid()

repo.head.ref = head_ref

# is_dirty can handle all kwargs

for args in ((1, 0, 0), (0, 1, 0), (0, 0, 1)):

assert not repo.is_dirty(*args)

# END for each arg

# we can add a file to the index ( if we are not bare )

if not repo.bare:

pass

# END test repos with working tree

def test_init(self):

prev_cwd = os.getcwd()

os.chdir(tempfile.gettempdir())

git_dir_rela = "repos/foo/bar.git"

del_dir_abs = os.path.abspath("repos")

git_dir_abs = os.path.abspath(git_dir_rela)

try:

# with specific path

for path in (git_dir_rela, git_dir_abs):

r = Repo.init(path=path, bare=True)

assert isinstance(r, Repo)

assert r.bare is True

assert os.path.isdir(r.git_dir)

self._assert_empty_repo(r)

# test clone

clone_path = path + "_clone"

rc = r.clone(clone_path)

self._assert_empty_repo(rc)

try:

shutil.rmtree(clone_path)

except OSError:

# when relative paths are used, the clone may actually be inside

# of the parent directory

pass

# END exception handling

# try again, this time with the absolute version

rc = Repo.clone_from(r.git_dir, clone_path)

self._assert_empty_repo(rc)

shutil.rmtree(git_dir_abs)

try:

shutil.rmtree(clone_path)

except OSError:

# when relative paths are used, the clone may actually be inside

# of the parent directory

pass

# END exception handling

# END for each path

os.makedirs(git_dir_rela)

os.chdir(git_dir_rela)

r = Repo.init(bare=False)

assert r.bare is False

self._assert_empty_repo(r)

finally:

try:

shutil.rmtree(del_dir_abs)

except OSError:

pass

os.chdir(prev_cwd)

# END restore previous state

def test_bare_property(self):

self.rorepo.bare

def test_daemon_export(self):

orig_val = self.rorepo.daemon_export

self.rorepo.daemon_export = not orig_val

assert self.rorepo.daemon_export == (not orig_val)

self.rorepo.daemon_export = orig_val

assert self.rorepo.daemon_export == orig_val

def test_alternates(self):

cur_alternates = self.rorepo.alternates

# empty alternates

self.rorepo.alternates = []

assert self.rorepo.alternates == []

alts = ["other/location", "this/location"]

self.rorepo.alternates = alts

assert alts == self.rorepo.alternates

self.rorepo.alternates = cur_alternates

def test_repr(self):

assert repr(self.rorepo).startswith('<git.Repo ')

def test_is_dirty_with_bare_repository(self):

orig_value = self.rorepo._bare

self.rorepo._bare = True

assert_false(self.rorepo.is_dirty())

self.rorepo._bare = orig_value

def test_is_dirty(self):

self.rorepo._bare = False

for index in (0, 1):

for working_tree in (0, 1):

for untracked_files in (0, 1):

assert self.rorepo.is_dirty(index, working_tree, untracked_files) in (True, False)

# END untracked files

# END working tree

# END index

orig_val = self.rorepo._bare

self.rorepo._bare = True

assert self.rorepo.is_dirty() is False

self.rorepo._bare = orig_val

def test_head(self):

assert self.rorepo.head.reference.object == self.rorepo.active_branch.object

def test_index(self):

index = self.rorepo.index

assert isinstance(index, IndexFile)

def test_tag(self):

assert self.rorepo.tag('refs/tags/0.1.5').commit

def test_archive(self):

tmpfile = tempfile.mktemp(suffix='archive-test')

stream = open(tmpfile, 'wb')

self.rorepo.archive(stream, '0.1.6', path='doc')

assert stream.tell()

stream.close()

os.remove(tmpfile)

@patch.object(Git, '_call_process')

def test_should_display_blame_information(self, git):

git.return_value = fixture('blame')

b = self.rorepo.blame('master', 'lib/git.py')

assert_equal(13, len(b))

assert_equal(2, len(b[0]))

# assert_equal(25, reduce(lambda acc, x: acc + len(x[-1]), b))

assert_equal(hash(b[0][0]), hash(b[9][0]))

c = b[0][0]

assert_true(git.called)

assert_equal('634396b2f541a9f2d58b00be1a07f0c358b999b3', c.hexsha)

assert_equal('Tom Preston-Werner', c.author.name)

assert_equal('tom@mojombo.com', c.author.email)

assert_equal(1191997100, c.authored_date)

assert_equal('Tom Preston-Werner', c.committer.name)

assert_equal('tom@mojombo.com', c.committer.email)

assert_equal(1191997100, c.committed_date)

assert_equal('initial grit setup', c.message)

# test the 'lines per commit' entries

tlist = b[0][1]

assert_true(tlist)

assert_true(isinstance(tlist[0], string_types))

assert_true(len(tlist) < sum(len(t) for t in tlist)) # test for single-char bug

# BINARY BLAME

git.return_value = fixture('blame_binary')

blames = self.rorepo.blame('master', 'rps')

assert len(blames) == 2

def test_blame_real(self):

c = 0

nml = 0 # amount of multi-lines per blame

for item in self.rorepo.head.commit.tree.traverse(

predicate=lambda i, d: i.type == 'blob' and i.path.endswith('.py')):

c += 1

for b in self.rorepo.blame(self.rorepo.head, item.path):

nml += int(len(b[1]) > 1)

# END for each item to traverse

assert c, "Should have executed at least one blame command"

assert nml, "There should at least be one blame commit that contains multiple lines"

@patch.object(Git, '_call_process')

def test_blame_complex_revision(self, git):

git.return_value = fixture('blame_complex_revision')

res = self.rorepo.blame("HEAD~10..HEAD", "README.md")

assert len(res) == 1

assert len(res[0][1]) == 83, "Unexpected amount of parsed blame lines"

def test_untracked_files(self):

base = self.rorepo.working_tree_dir

files = (join_path_native(base, "__test_myfile"),

join_path_native(base, "__test_other_file"))

num_recently_untracked = 0

try:

for fpath in files:

fd = open(fpath, "wb")

fd.close()

# END for each filename

untracked_files = self.rorepo.untracked_files

num_recently_untracked = len(untracked_files)

# assure we have all names - they are relative to the git-dir

num_test_untracked = 0

for utfile in untracked_files:

num_test_untracked += join_path_native(base, utfile) in files

assert len(files) == num_test_untracked

finally:

for fpath in files:

if os.path.isfile(fpath):

os.remove(fpath)

# END handle files

assert len(self.rorepo.untracked_files) == (num_recently_untracked - len(files))

def test_config_reader(self):

reader = self.rorepo.config_reader() # all config files

assert reader.read_only

reader = self.rorepo.config_reader("repository") # single config file

assert reader.read_only

def test_config_writer(self):

for config_level in self.rorepo.config_level:

try:

writer = self.rorepo.config_writer(config_level)

assert not writer.read_only

writer.release()

except IOError:

# its okay not to get a writer for some configuration files if we

# have no permissions

pass

# END for each config level

def test_config_level_paths(self):

for config_level in self.rorepo.config_level:

assert self.rorepo._get_config_path(config_level)

# end for each config level

def test_creation_deletion(self):

# just a very quick test to assure it generally works. There are

# specialized cases in the test_refs module

head = self.rorepo.create_head("new_head", "HEAD~1")

self.rorepo.delete_head(head)

tag = self.rorepo.create_tag("new_tag", "HEAD~2")

self.rorepo.delete_tag(tag)

writer = self.rorepo.config_writer()

writer.release()

remote = self.rorepo.create_remote("new_remote", "git@server:repo.git")

self.rorepo.delete_remote(remote)

def test_comparison_and_hash(self):

# this is only a preliminary test, more testing done in test_index

assert self.rorepo == self.rorepo and not (self.rorepo != self.rorepo)

assert len(set((self.rorepo, self.rorepo))) == 1

@with_rw_directory

def test_tilde_and_env_vars_in_repo_path(self, rw_dir):

ph = os.environ['HOME']

try:

os.environ['HOME'] = rw_dir

Repo.init(os.path.join('~', 'test.git'), bare=True)

os.environ['FOO'] = rw_dir

Repo.init(os.path.join('$FOO', 'test.git'), bare=True)

finally:

os.environ['HOME'] = ph

del os.environ['FOO']

# end assure HOME gets reset to what it was

def test_git_cmd(self):

# test CatFileContentStream, just to be very sure we have no fencepost errors

# last \n is the terminating newline that it expects

l1 = b"0123456789\n"

l2 = b"abcdefghijklmnopqrstxy\n"

l3 = b"z\n"

d = l1 + l2 + l3 + b"\n"

l1p = l1[:5]

# full size

# size is without terminating newline

def mkfull():

return Git.CatFileContentStream(len(d) - 1, BytesIO(d))

ts = 5

def mktiny():

return Git.CatFileContentStream(ts, BytesIO(d))

# readlines no limit

s = mkfull()

lines = s.readlines()

assert len(lines) == 3 and lines[-1].endswith(b'\n')

assert s._stream.tell() == len(d) # must have scrubbed to the end

# realines line limit

s = mkfull()

lines = s.readlines(5)

assert len(lines) == 1

# readlines on tiny sections

s = mktiny()

lines = s.readlines()

assert len(lines) == 1 and lines[0] == l1p

assert s._stream.tell() == ts + 1

# readline no limit

s = mkfull()

assert s.readline() == l1

assert s.readline() == l2

assert s.readline() == l3

assert s.readline() == ''

assert s._stream.tell() == len(d)

# readline limit

s = mkfull()

assert s.readline(5) == l1p

assert s.readline() == l1[5:]

# readline on tiny section

s = mktiny()

assert s.readline() == l1p

assert s.readline() == ''

assert s._stream.tell() == ts + 1

# read no limit

s = mkfull()

assert s.read() == d[:-1]

assert s.read() == ''

assert s._stream.tell() == len(d)

# read limit

s = mkfull()

assert s.read(5) == l1p

assert s.read(6) == l1[5:]

assert s._stream.tell() == 5 + 6 # its not yet done

# read tiny

s = mktiny()

assert s.read(2) == l1[:2]

assert s._stream.tell() == 2

assert s.read() == l1[2:ts]

assert s._stream.tell() == ts + 1

def _assert_rev_parse_types(self, name, rev_obj):

rev_parse = self.rorepo.rev_parse

if rev_obj.type == 'tag':

rev_obj = rev_obj.object

# tree and blob type

obj = rev_parse(name + '^{tree}')

assert obj == rev_obj.tree

obj = rev_parse(name + ':CHANGES')

assert obj.type == 'blob' and obj.path == 'CHANGES'

assert rev_obj.tree['CHANGES'] == obj

def _assert_rev_parse(self, name):

"""tries multiple different rev-parse syntaxes with the given name

:return: parsed object"""

rev_parse = self.rorepo.rev_parse

orig_obj = rev_parse(name)

if orig_obj.type == 'tag':

obj = orig_obj.object

else:

obj = orig_obj

# END deref tags by default

# try history

rev = name + "~"

obj2 = rev_parse(rev)

assert obj2 == obj.parents[0]

self._assert_rev_parse_types(rev, obj2)

# history with number

ni = 11

history = [obj.parents[0]]

for pn in range(ni):

history.append(history[-1].parents[0])

# END get given amount of commits

for pn in range(11):

rev = name + "~%i" % (pn + 1)

obj2 = rev_parse(rev)

assert obj2 == history[pn]

self._assert_rev_parse_types(rev, obj2)

# END history check

# parent ( default )

rev = name + "^"

obj2 = rev_parse(rev)

assert obj2 == obj.parents[0]

self._assert_rev_parse_types(rev, obj2)

# parent with number

for pn, parent in enumerate(obj.parents):

rev = name + "^%i" % (pn + 1)

assert rev_parse(rev) == parent

self._assert_rev_parse_types(rev, parent)

# END for each parent

return orig_obj

@with_rw_repo('HEAD', bare=False)

def test_rw_rev_parse(self, rwrepo):

# verify it does not confuse branches with hexsha ids

ahead = rwrepo.create_head('aaaaaaaa')

assert(rwrepo.rev_parse(str(ahead)) == ahead.commit)

def test_rev_parse(self):

rev_parse = self.rorepo.rev_parse

# try special case: This one failed at some point, make sure its fixed

assert rev_parse("33ebe").hexsha == "33ebe7acec14b25c5f84f35a664803fcab2f7781"

# start from reference

num_resolved = 0

for ref in Reference.iter_items(self.rorepo):

path_tokens = ref.path.split("/")

for pt in range(len(path_tokens)):

path_section = '/'.join(path_tokens[-(pt + 1):])

try:

obj = self._assert_rev_parse(path_section)

assert obj.type == ref.object.type

num_resolved += 1

except (BadName, BadObject):

print("failed on %s" % path_section)

# is fine, in case we have something like 112, which belongs to remotes/rname/merge-requests/112

pass

# END exception handling

# END for each token

# END for each reference

assert num_resolved

# it works with tags !

tag = self._assert_rev_parse('0.1.4')

assert tag.type == 'tag'

# try full sha directly ( including type conversion )

assert tag.object == rev_parse(tag.object.hexsha)

self._assert_rev_parse_types(tag.object.hexsha, tag.object)

# multiple tree types result in the same tree: HEAD^{tree}^{tree}:CHANGES

rev = '0.1.4^{tree}^{tree}'

assert rev_parse(rev) == tag.object.tree

assert rev_parse(rev + ':CHANGES') == tag.object.tree['CHANGES']

# try to get parents from first revision - it should fail as no such revision

# exists

first_rev = "33ebe7acec14b25c5f84f35a664803fcab2f7781"

commit = rev_parse(first_rev)

assert len(commit.parents) == 0

assert commit.hexsha == first_rev

self.failUnlessRaises(BadObject, rev_parse, first_rev + "~")

self.failUnlessRaises(BadObject, rev_parse, first_rev + "^")

# short SHA1

commit2 = rev_parse(first_rev[:20])

assert commit2 == commit

commit2 = rev_parse(first_rev[:5])

assert commit2 == commit

# todo: dereference tag into a blob 0.1.7^{blob} - quite a special one

# needs a tag which points to a blob

# ref^0 returns commit being pointed to, same with ref~0, and ^{}

tag = rev_parse('0.1.4')

for token in (('~0', '^0', '^{}')):

assert tag.object == rev_parse('0.1.4%s' % token)

# END handle multiple tokens

# try partial parsing

max_items = 40

for i, binsha in enumerate(self.rorepo.odb.sha_iter()):

assert rev_parse(bin_to_hex(binsha)[:8 - (i % 2)].decode('ascii')).binsha == binsha

if i > max_items:

# this is rather slow currently, as rev_parse returns an object

# which requires accessing packs, it has some additional overhead

break

# END for each binsha in repo

# missing closing brace commit^{tree

self.failUnlessRaises(ValueError, rev_parse, '0.1.4^{tree')

# missing starting brace

self.failUnlessRaises(ValueError, rev_parse, '0.1.4^tree}')

# REVLOG

#######

head = self.rorepo.head

# need to specify a ref when using the @ syntax

self.failUnlessRaises(BadObject, rev_parse, "%s@{0}" % head.commit.hexsha)

# uses HEAD.ref by default

assert rev_parse('@{0}') == head.commit

if not head.is_detached:

refspec = '%s@{0}' % head.ref.name

assert rev_parse(refspec) == head.ref.commit

# all additional specs work as well

assert rev_parse(refspec + "^{tree}") == head.commit.tree

assert rev_parse(refspec + ":CHANGES").type == 'blob'

# END operate on non-detached head

# position doesn't exist

self.failUnlessRaises(IndexError, rev_parse, '@{10000}')

# currently, nothing more is supported

self.failUnlessRaises(NotImplementedError, rev_parse, "@{1 week ago}")

# the last position

assert rev_parse('@{1}') != head.commit

def test_repo_odbtype(self):

target_type = GitDB

if sys.version_info[:2] < (2, 5):

target_type = GitCmdObjectDB

assert isinstance(self.rorepo.odb, target_type)

def test_submodules(self):

assert len(self.rorepo.submodules) == 1 # non-recursive

assert len(list(self.rorepo.iter_submodules())) >= 2

assert isinstance(self.rorepo.submodule("gitdb"), Submodule)

self.failUnlessRaises(ValueError, self.rorepo.submodule, "doesn't exist")

@with_rw_repo('HEAD', bare=False)

def test_submodule_update(self, rwrepo):

# fails in bare mode

rwrepo._bare = True

self.failUnlessRaises(InvalidGitRepositoryError, rwrepo.submodule_update)

rwrepo._bare = False

# test create submodule

sm = rwrepo.submodules[0]

sm = rwrepo.create_submodule("my_new_sub", "some_path", join_path_native(self.rorepo.working_tree_dir, sm.path))

assert isinstance(sm, Submodule)

# note: the rest of this functionality is tested in test_submodule

@with_rw_repo('HEAD')

def test_git_file(self, rwrepo):

# Move the .git directory to another location and create the .git file.

real_path_abs = os.path.abspath(join_path_native(rwrepo.working_tree_dir, '.real'))

os.rename(rwrepo.git_dir, real_path_abs)

git_file_path = join_path_native(rwrepo.working_tree_dir, '.git')

open(git_file_path, 'wb').write(fixture('git_file'))

# Create a repo and make sure it's pointing to the relocated .git directory.

git_file_repo = Repo(rwrepo.working_tree_dir)

assert os.path.abspath(git_file_repo.git_dir) == real_path_abs

# Test using an absolute gitdir path in the .git file.

open(git_file_path, 'wb').write(('gitdir: %s\n' % real_path_abs).encode('ascii'))

git_file_repo = Repo(rwrepo.working_tree_dir)

assert os.path.abspath(git_file_repo.git_dir) == real_path_abs

def test_file_handle_leaks(self):

def last_commit(repo, rev, path):

commit = next(repo.iter_commits(rev, path, max_count=1))

commit.tree[path]

# This is based on this comment

# https://github.com/gitpython-developers/GitPython/issues/60#issuecomment-23558741

# And we expect to set max handles to a low value, like 64

# You should set ulimit -n X, see .travis.yml

# The loops below would easily create 500 handles if these would leak (4 pipes + multiple mapped files)

for i in range(64):

for repo_type in (GitCmdObjectDB, GitDB):

repo = Repo(self.rorepo.working_tree_dir, odbt=repo_type)

last_commit(repo, 'master', 'git/test/test_base.py')

# end for each repository type

# end for each iteration

def test_remote_method(self):

self.failUnlessRaises(ValueError, self.rorepo.remote, 'foo-blue')

assert isinstance(self.rorepo.remote(name='origin'), Remote)

@with_rw_directory

def test_empty_repo(self, rw_dir):

"""Assure we can handle empty repositories"""

r = Repo.init(rw_dir, mkdir=False)

# It's ok not to be able to iterate a commit, as there is none

self.failUnlessRaises(ValueError, r.iter_commits)

assert r.active_branch.name == 'master'

assert not r.active_branch.is_valid(), "Branch is yet to be born"

# actually, when trying to create a new branch without a commit, git itself fails

# We should, however, not fail ungracefully

self.failUnlessRaises(BadName, r.create_head, 'foo')

self.failUnlessRaises(BadName, r.create_head, 'master')

# It's expected to not be able to access a tree

self.failUnlessRaises(ValueError, r.tree)

new_file_path = os.path.join(rw_dir, "new_file.ext")

touch(new_file_path)

r.index.add([new_file_path])

r.index.commit("initial commit")

# Now a branch should be creatable

nb = r.create_head('foo')

assert nb.is_valid()

def test_merge_base(self):

repo = self.rorepo

c1 = 'f6aa8d1'

c2 = repo.commit('d46e3fe')

c3 = '763ef75'

self.failUnlessRaises(ValueError, repo.merge_base)

self.failUnlessRaises(ValueError, repo.merge_base, 'foo')

# two commit merge-base

res = repo.merge_base(c1, c2)

assert isinstance(res, list) and len(res) == 1 and isinstance(res[0], Commit)

assert res[0].hexsha.startswith('3936084')

for kw in ('a', 'all'):

res = repo.merge_base(c1, c2, c3, **{kw: True})

assert isinstance(res, list) and len(res) == 1

# end for eaech keyword signalling all merge-bases to be returned

# Test for no merge base - can't do as we have

self.failUnlessRaises(GitCommandError, repo.merge_base, c1, 'ffffff')

GitPython/git/test/test_repo.py at issue-232-reproduction · og-python-scripts/GitPython · GitHub

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