GitPython/test/test_repo.py at master · gitpython-developers/GitPython · GitHub

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# This module is part of GitPython and is released under the

# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

import gc

import glob

import io

from io import BytesIO

import itertools

import os

import os.path as osp

import pathlib

import pickle

import sys

import tempfile

from unittest import mock

from pathlib import Path

import pytest

from git import (

BadName,

Commit,

Git,

GitCmdObjectDB,

GitCommandError,

GitDB,

Head,

IndexFile,

InvalidGitRepositoryError,

NoSuchPathError,

Object,

Reference,

Remote,

Repo,

Submodule,

Tree,

)

from git.exc import UnsafeOptionError

from git.exc import UnsafeProtocolError

from git.exc import BadObject

from git.repo.fun import touch

from git.util import bin_to_hex, cwd, cygpath, join_path_native, rmfile, rmtree

from test.lib import TestBase, fixture, with_rw_directory, with_rw_repo, PathLikeMock

def iter_flatten(lol):

for items in lol:

for item in items:

yield item

def flatten(lol):

return list(iter_flatten(lol))

_tc_lock_fpaths = osp.join(osp.dirname(__file__), "../../.git/*.lock")

def _rm_lock_files():

for lfp in glob.glob(_tc_lock_fpaths):

rmfile(lfp)

class TestRepo(TestBase):

def setUp(self):

_rm_lock_files()

def tearDown(self):

for lfp in glob.glob(_tc_lock_fpaths):

if osp.isfile(lfp):

raise AssertionError("Previous TC left hanging git-lock file: {}".format(lfp))

gc.collect()

def test_new_should_raise_on_invalid_repo_location(self):

# Ideally this tests a directory that is outside of any repository. In the rare

# case tempfile.gettempdir() is inside a repo, this still passes, but tests the

# same scenario as test_new_should_raise_on_invalid_repo_location_within_repo.

with tempfile.TemporaryDirectory() as tdir:

self.assertRaises(InvalidGitRepositoryError, Repo, tdir)

@with_rw_directory

def test_new_should_raise_on_invalid_repo_location_within_repo(self, rw_dir):

repo_dir = osp.join(rw_dir, "repo")

Repo.init(repo_dir)

subdir = osp.join(repo_dir, "subdir")

os.mkdir(subdir)

self.assertRaises(InvalidGitRepositoryError, Repo, subdir)

def test_new_should_raise_on_non_existent_path(self):

with tempfile.TemporaryDirectory() as tdir:

nonexistent = osp.join(tdir, "foobar")

self.assertRaises(NoSuchPathError, Repo, nonexistent)

@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)

self.assertEqual(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")

self.assertEqual(r_from_gitdir.git.working_dir, rw_repo.git.working_dir)

@with_rw_repo("0.3.2.1")

def test_repo_creation_pathlib(self, rw_repo):

r_from_gitdir = Repo(pathlib.Path(rw_repo.git_dir))

self.assertEqual(r_from_gitdir.git_dir, rw_repo.git_dir)

@with_rw_repo("0.3.2.1")

def test_repo_creation_pathlike(self, rw_repo):

r_from_gitdir = Repo(PathLikeMock(rw_repo.git_dir))

self.assertEqual(r_from_gitdir.git_dir, rw_repo.git_dir)

def test_description(self):

txt = "Test repository"

self.rorepo.description = txt

self.assertEqual(self.rorepo.description, txt)

def test_heads_should_return_array_of_head_objects(self):

for head in self.rorepo.heads:

self.assertEqual(Head, head.__class__)

def test_heads_should_populate_head_data(self):

for head in self.rorepo.heads:

assert head.name

self.assertIsInstance(head.commit, Commit)

# END for each head

self.assertIsInstance(self.rorepo.heads.master, Head)

self.assertIsInstance(self.rorepo.heads["master"], Head)

def test_tree_from_revision(self):

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

self.assertEqual(len(tree.hexsha), 40)

self.assertEqual(tree.type, "tree")

self.assertEqual(self.rorepo.tree(tree), tree)

# Try from an invalid revision that does not exist.

self.assertRaises(BadName, self.rorepo.tree, "hello world")

def test_pickleable(self):

pickle.loads(pickle.dumps(self.rorepo))

def test_commit_from_revision(self):

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

self.assertEqual(commit.type, "commit")

self.assertEqual(self.rorepo.commit(commit), commit)

@with_rw_directory

def test_commit_from_tag_starting_with_at(self, rw_dir):

repo = Repo.init(rw_dir)

with repo.config_writer() as writer:

writer.set_value("user", "name", "GitPython Tests")

writer.set_value("user", "email", "gitpython@example.com")

tracked_file = Path(rw_dir) / "hello.txt"

tracked_file.write_text("hello")

repo.index.add([str(tracked_file)])

commit = repo.index.commit("init")

repo.create_tag("@foo")

self.assertEqual(repo.tags["@foo"].commit, commit)

self.assertEqual(repo.commit("@"), commit)

self.assertEqual(repo.commit("@foo"), commit)

def test_commits(self):

mc = 10

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

self.assertEqual(len(commits), mc)

c = commits[0]

self.assertEqual("9a4b1d4d11eee3c5362a4152216376e634bd14cf", c.hexsha)

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

self.assertEqual("ce41fc29549042f1aa09cc03174896cf23f112e3", c.tree.hexsha)

self.assertEqual("Michael Trier", c.author.name)

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

self.assertEqual(1232829715, c.authored_date)

self.assertEqual(5 * 3600, c.author_tz_offset)

self.assertEqual("Michael Trier", c.committer.name)

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

self.assertEqual(1232829715, c.committed_date)

self.assertEqual(5 * 3600, c.committer_tz_offset)

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

c = commits[1]

self.assertIsInstance(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

self.assertIsInstance(tree, Tree)

# END for each tree

self.assertEqual(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.

self.assertEqual(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

@with_rw_directory

def test_clone_from_keeps_env(self, rw_dir):

original_repo = Repo.init(osp.join(rw_dir, "repo"))

environment = {"entry1": "value", "another_entry": "10"}

cloned = Repo.clone_from(original_repo.git_dir, osp.join(rw_dir, "clone"), env=environment)

self.assertEqual(environment, cloned.git.environment())

@with_rw_directory

def test_date_format(self, rw_dir):

repo = Repo.init(osp.join(rw_dir, "repo"))

# @-timestamp is the format used by git commit hooks.

repo.index.commit("Commit messages", commit_date="@1400000000 +0000")

@with_rw_repo("HEAD")

def test_max_chunk_size(self, repo):

class TestOutputStream(TestBase):

def __init__(self, max_chunk_size):

self.max_chunk_size = max_chunk_size

def write(self, b):

self.assertTrue(len(b) <= self.max_chunk_size)

for chunk_size in [16, 128, 1024]:

repo.git.status(output_stream=TestOutputStream(chunk_size), max_chunk_size=chunk_size)

repo.git.log(

n=100,

output_stream=TestOutputStream(io.DEFAULT_BUFFER_SIZE),

max_chunk_size=None,

)

repo.git.log(

n=100,

output_stream=TestOutputStream(io.DEFAULT_BUFFER_SIZE),

max_chunk_size=-10,

)

repo.git.log(n=100, output_stream=TestOutputStream(io.DEFAULT_BUFFER_SIZE))

def test_init(self):

with tempfile.TemporaryDirectory() as tdir, cwd(tdir):

git_dir_rela = "repos/foo/bar.git"

git_dir_abs = osp.abspath(git_dir_rela)

# With specific path

for path in (git_dir_rela, git_dir_abs):

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

self.assertIsInstance(r, Repo)

assert r.bare is True

assert not r.has_separate_working_tree()

assert osp.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:

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)

rmtree(git_dir_abs)

try:

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

assert not r.has_separate_working_tree()

self._assert_empty_repo(r)

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

self.assertEqual(self.rorepo.daemon_export, (not orig_val))

self.rorepo.daemon_export = orig_val

self.assertEqual(self.rorepo.daemon_export, orig_val)

def test_alternates(self):

cur_alternates = self.rorepo.alternates

# empty alternates

self.rorepo.alternates = []

self.assertEqual(self.rorepo.alternates, [])

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

self.rorepo.alternates = alts

self.assertEqual(alts, self.rorepo.alternates)

self.rorepo.alternates = cur_alternates

def test_repr(self):

assert repr(self.rorepo).startswith("<git.repo.base.Repo ")

def test_is_dirty_with_bare_repository(self):

orig_value = self.rorepo._bare

self.rorepo._bare = True

self.assertFalse(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_is_dirty_pathspec(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, path=":!foo") 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

@with_rw_repo("HEAD")

def test_is_dirty_with_path(self, rwrepo):

assert rwrepo.is_dirty(path="git") is False

with open(osp.join(rwrepo.working_dir, "git", "util.py"), "at") as f:

f.write("junk")

assert rwrepo.is_dirty(path="git") is True

assert rwrepo.is_dirty(path="doc") is False

rwrepo.git.add(Git.polish_url(osp.join("git", "util.py")))

assert rwrepo.is_dirty(index=False, path="git") is False

assert rwrepo.is_dirty(path="git") is True

with open(osp.join(rwrepo.working_dir, "doc", "no-such-file.txt"), "wt") as f:

f.write("junk")

assert rwrepo.is_dirty(path="doc") is False

assert rwrepo.is_dirty(untracked_files=True, path="doc") is True

@with_rw_repo("HEAD")

def test_is_dirty_with_pathlib_and_pathlike(self, rwrepo):

with open(osp.join(rwrepo.working_dir, "git", "util.py"), "at") as f:

f.write("junk")

assert rwrepo.is_dirty(path=Path("git")) is True

assert rwrepo.is_dirty(path=PathLikeMock("git")) is True

assert rwrepo.is_dirty(path=Path("doc")) is False

assert rwrepo.is_dirty(path=PathLikeMock("doc")) is False

def test_head(self):

self.assertEqual(self.rorepo.head.reference.object, self.rorepo.active_branch.object)

def test_index(self):

index = self.rorepo.index

self.assertIsInstance(index, IndexFile)

def test_tag(self):

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

def test_tag_to_full_tag_path(self):

tags = ["0.1.5", "tags/0.1.5", "refs/tags/0.1.5"]

value_errors = []

for tag in tags:

try:

self.rorepo.tag(tag)

except ValueError as valueError:

value_errors.append(valueError.args[0])

self.assertEqual(value_errors, [])

def test_archive(self):

with tempfile.NamedTemporaryFile("wb", suffix="archive-test", delete=False) as stream:

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

assert stream.tell()

os.remove(stream.name) # Do it this way so we can inspect the file on failure.

def test_archive_rejects_unsafe_options(self):

with tempfile.TemporaryDirectory() as tdir:

output_marker = osp.join(tdir, "pwn")

with self.assertRaises(UnsafeOptionError):

self.rorepo.archive(io.BytesIO(), "0.1.6", exec=f"touch {output_marker}")

assert not osp.exists(output_marker)

with self.assertRaises(UnsafeOptionError):

self.rorepo.archive(io.BytesIO(), "0.1.6", output=output_marker)

assert not osp.exists(output_marker)

def test_archive_rejects_unsafe_remote_protocol(self):

with tempfile.TemporaryDirectory() as tdir:

output_marker = osp.join(tdir, "pwn")

with self.assertRaises(UnsafeProtocolError):

self.rorepo.archive(io.BytesIO(), "HEAD", remote=f"ext::sh -c touch% {output_marker}")

assert not osp.exists(output_marker)

def test_archive_preserves_positional_allow_unsafe_options(self):

with mock.patch.object(Git, "_call_process") as git:

self.rorepo.archive(io.BytesIO(), "HEAD", None, True, exec="git-upload-archive")

git.assert_called_once()

def test_archive_accepts_stringifiable_remote(self):

class StringifiableRemote:

def __str__(self):

return "origin"

with mock.patch.object(Git, "_call_process") as git:

self.rorepo.archive(io.BytesIO(), "HEAD", remote=StringifiableRemote())

git.assert_called_once()

def test_archive_rejects_unsafe_falsey_remote_protocol(self):

class FalseyRemote:

def __bool__(self):

return False

def __str__(self):

return "ext::sh -c true"

with self.assertRaises(UnsafeProtocolError):

self.rorepo.archive(io.BytesIO(), "HEAD", remote=FalseyRemote())

def test_iter_commits_rejects_unsafe_revision(self):

with tempfile.TemporaryDirectory() as tdir:

target = osp.join(tdir, "pwn")

with self.assertRaises(UnsafeOptionError):

list(self.rorepo.iter_commits(f"--output={target}", max_count=1))

@mock.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")

self.assertEqual(13, len(b))

self.assertEqual(2, len(b[0]))

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

self.assertEqual(hash(b[0][0]), hash(b[9][0]))

c = b[0][0]

self.assertTrue(git.called)

self.assertEqual("634396b2f541a9f2d58b00be1a07f0c358b999b3", c.hexsha)

self.assertEqual("Tom Preston-Werner", c.author.name)

self.assertEqual("tom@mojombo.com", c.author.email)

self.assertEqual(1191997100, c.authored_date)

self.assertEqual("Tom Preston-Werner", c.committer.name)

self.assertEqual("tom@mojombo.com", c.committer.email)

self.assertEqual(1191997100, c.committed_date)

self.assertRaisesRegex(

ValueError,

"634396b2f541a9f2d58b00be1a07f0c358b999b3 missing",

lambda: c.message,

)

# Test the 'lines per commit' entries.

tlist = b[0][1]

self.assertTrue(tlist)

self.assertTrue(isinstance(tlist[0], str))

self.assertTrue(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")

self.assertEqual(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"

def test_blame_rejects_unsafe_revision(self):

with tempfile.TemporaryDirectory() as tdir:

output_marker = osp.join(tdir, "pwn")

with self.assertRaises(UnsafeOptionError):

self.rorepo.blame(f"--output={output_marker}", "README.md")

assert not osp.exists(output_marker)

def test_blame_rejects_unsafe_options(self):

with tempfile.TemporaryDirectory() as tdir:

output_marker = osp.join(tdir, "pwn")

with self.assertRaises(UnsafeOptionError):

self.rorepo.blame("HEAD", "README.md", output=output_marker)

assert not osp.exists(output_marker)

def test_blame_rejects_unsafe_rev_opts(self):

with tempfile.TemporaryDirectory() as tdir:

output_marker = osp.join(tdir, "pwn")

with self.assertRaises(UnsafeOptionError):

self.rorepo.blame("HEAD", "README.md", rev_opts=(f"--output={output_marker}",))

assert not osp.exists(output_marker)

@mock.patch.object(Git, "_call_process")

def test_blame_incremental(self, git):

# Loop over two fixtures, create a test fixture for 2.11.1+ syntax.

for git_fixture in ("blame_incremental", "blame_incremental_2.11.1_plus"):

git.return_value = fixture(git_fixture)

blame_output = self.rorepo.blame_incremental("9debf6b0aafb6f7781ea9d1383c86939a1aacde3", "AUTHORS")

blame_output = list(blame_output)

self.assertEqual(len(blame_output), 5)

# Check all outputted line numbers.

ranges = flatten([entry.linenos for entry in blame_output])

self.assertEqual(

ranges,

flatten(

[

range(2, 3),

range(14, 15),

range(1, 2),

range(3, 14),

range(15, 17),

]

)

commits = [entry.commit.hexsha[:7] for entry in blame_output]

self.assertEqual(commits, ["82b8902", "82b8902", "c76852d", "c76852d", "c76852d"])

# Original filenames.

self.assertSequenceEqual(

[entry.orig_path for entry in blame_output],

["AUTHORS"] * len(blame_output),

)

# Original line numbers.

orig_ranges = flatten([entry.orig_linenos for entry in blame_output])

self.assertEqual(

orig_ranges,

flatten(

[

range(2, 3),

range(14, 15),

range(1, 2),

range(2, 13),

range(13, 15),

]

)

@mock.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")

self.assertEqual(len(res), 1)

self.assertEqual(len(res[0][1]), 83, "Unexpected amount of parsed blame lines")

@mock.patch.object(Git, "_call_process")

def test_blame_accepts_rev_opts(self, git):

expected_args = ["blame", "HEAD", "-M", "-C", "-C", "--", "README.md"]

boilerplate_kwargs = {"p": True, "stdout_as_string": False}

self.rorepo.blame("HEAD", "README.md", rev_opts=["-M", "-C", "-C"])

git.assert_called_once_with(*expected_args, **boilerplate_kwargs)

@with_rw_repo("HEAD", bare=False)

def test_untracked_files(self, rwrepo):

for run, repo_add in enumerate((rwrepo.index.add, rwrepo.git.add)):

base = rwrepo.working_tree_dir

files = (

join_path_native(base, "%i_test _myfile" % run),

join_path_native(base, "%i_test_other_file" % run),

join_path_native(base, "%i__çava verböten" % run),

join_path_native(base, "%i_çava-----verböten" % run),

)

num_recently_untracked = 0

for fpath in files:

with open(fpath, "wb"):

pass

untracked_files = rwrepo.untracked_files

num_recently_untracked = len(untracked_files)

# Ensure 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

self.assertEqual(len(files), num_test_untracked)

repo_add(untracked_files)

self.assertEqual(len(rwrepo.untracked_files), (num_recently_untracked - len(files)))

# END for each run

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:

with self.rorepo.config_writer(config_level) as writer:

self.assertFalse(writer.read_only)

except IOError:

# It's okay not to get a writer for some configuration files if we

# have no permissions.

pass

def test_config_level_paths(self):

for config_level in self.rorepo.config_level:

assert self.rorepo._get_config_path(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)

try:

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

finally:

self.rorepo.delete_tag(tag)

with self.rorepo.config_writer():

pass

try:

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

finally:

self.rorepo.delete_remote(remote)

def test_comparison_and_hash(self):

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

self.assertEqual(self.rorepo, self.rorepo)

self.assertFalse(self.rorepo != self.rorepo)

self.assertEqual(len({self.rorepo, self.rorepo}), 1)

@with_rw_directory

def test_tilde_and_env_vars_in_repo_path(self, rw_dir):

with mock.patch.dict(os.environ, {"HOME": rw_dir}):

os.environ["HOME"] = rw_dir

Repo.init(osp.join("~", "test.git"), bare=True)

with mock.patch.dict(os.environ, {"FOO": rw_dir}):

os.environ["FOO"] = rw_dir

Repo.init(osp.join("$FOO", "test.git"), bare=True)

def test_git_cmd(self):

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

# The 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()

self.assertEqual(len(lines), 3)

self.assertTrue(lines[-1].endswith(b"\n"), lines[-1])

self.assertEqual(s._stream.tell(), len(d)) # Must have scrubbed to the end.

# realines line limit

s = mkfull()

lines = s.readlines(5)

self.assertEqual(len(lines), 1)

# readlines on tiny sections

s = mktiny()

lines = s.readlines()

self.assertEqual(len(lines), 1)

self.assertEqual(lines[0], l1p)

self.assertEqual(s._stream.tell(), ts + 1)

# readline no limit

s = mkfull()

self.assertEqual(s.readline(), l1)

self.assertEqual(s.readline(), l2)

self.assertEqual(s.readline(), l3)

self.assertEqual(s.readline(), b"")

self.assertEqual(s._stream.tell(), len(d))

# readline limit

s = mkfull()

self.assertEqual(s.readline(5), l1p)

self.assertEqual(s.readline(), l1[5:])

# readline on tiny section

s = mktiny()

self.assertEqual(s.readline(), l1p)

self.assertEqual(s.readline(), b"")

self.assertEqual(s._stream.tell(), ts + 1)

# read no limit

s = mkfull()

self.assertEqual(s.read(), d[:-1])

self.assertEqual(s.read(), b"")

self.assertEqual(s._stream.tell(), len(d))

# read limit

s = mkfull()

self.assertEqual(s.read(5), l1p)

self.assertEqual(s.read(6), l1[5:])

self.assertEqual(s._stream.tell(), 5 + 6) # It's not yet done.

# read tiny

s = mktiny()

self.assertEqual(s.read(2), l1[:2])

self.assertEqual(s._stream.tell(), 2)

self.assertEqual(s.read(), l1[2:ts])

self.assertEqual(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}")

self.assertEqual(obj, rev_obj.tree)

obj = rev_parse(name + ":CHANGES")

self.assertEqual(obj.type, "blob")

self.assertEqual(obj.path, "CHANGES")

self.assertEqual(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)

self.assertEqual(obj2, obj.parents[0])

self._assert_rev_parse_types(rev, obj2)

# History with number

ni = 11

history = [obj.parents[0]]

for _ 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)

self.assertEqual(obj2, history[pn])

self._assert_rev_parse_types(rev, obj2)

# END history check

# Parent (default)

rev = name + "^"

obj2 = rev_parse(rev)

self.assertEqual(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)

self.assertEqual(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.

self.assertEqual(rev_parse("33ebe").hexsha, "33ebe7acec14b25c5f84f35a664803fcab2f7781")

# Start from reference.

num_resolved = 0

for ref_no, ref in enumerate(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)

self.assertEqual(obj.type, ref.object.type)

num_resolved += 1

except (BadName, BadObject):

print("failed on %s" % path_section)

# This is fine if we have something like 112, which belongs to

# remotes/rname/merge-requests/112.

# END exception handling

# END for each token

if ref_no == 3 - 1:

break

# END for each reference

assert num_resolved

# It works with tags!

tag = self._assert_rev_parse("0.1.4")

self.assertEqual(tag.type, "tag")

# try full sha directly (including type conversion).

self.assertEqual(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}"

self.assertEqual(rev_parse(rev), tag.object.tree)

self.assertEqual(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)

self.assertEqual(len(commit.parents), 0)

self.assertEqual(commit.hexsha, first_rev)

self.assertRaises(BadName, rev_parse, first_rev + "~")

self.assertRaises(BadName, rev_parse, first_rev + "^")

# Short SHA1.

commit2 = rev_parse(first_rev[:20])

self.assertEqual(commit2, commit)

commit2 = rev_parse(first_rev[:5])

self.assertEqual(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 ^{commit}

tag = rev_parse("0.1.4")

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

self.assertEqual(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()):

self.assertEqual(

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 that

# requires accessing packs, so it has some additional overhead.

break

# END for each binsha in repo

# Missing closing brace: commit^{tree

self.assertRaises(ValueError, rev_parse, "0.1.4^{tree")

# Missing starting brace.

self.assertRaises(ValueError, rev_parse, "0.1.4^tree}")

# REVLOG

#######

head = self.rorepo.head

# Need to specify a ref when using the @ syntax.

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

# Uses HEAD.ref by default.

self.assertEqual(rev_parse("@{0}"), head.commit)

if not head.is_detached:

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

self.assertEqual(rev_parse(refspec), head.ref.commit)

# All additional specs work as well.

self.assertEqual(rev_parse(refspec + "^{tree}"), head.commit.tree)

self.assertEqual(rev_parse(refspec + ":CHANGES").type, "blob")

# END operate on non-detached head

# Position doesn't exist.

self.assertRaises(IndexError, rev_parse, "@{10000}")

# Currently, nothing more is supported.

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

# The previous position, if this checkout has enough reflog history.

try:

previous = rev_parse("@{1}")

except IndexError:

pass

else:

self.assertNotEqual(previous, head.commit)

def test_repo_odbtype(self):

target_type = GitCmdObjectDB

self.assertIsInstance(self.rorepo.odb, target_type)

def test_submodules(self):

self.assertEqual(len(self.rorepo.submodules), 1) # non-recursive

self.assertGreaterEqual(len(list(self.rorepo.iter_submodules())), 2)

self.assertIsInstance(self.rorepo.submodule("gitdb"), Submodule)

self.assertRaises(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.assertRaises(InvalidGitRepositoryError, rwrepo.submodule_update)

rwrepo._bare = False

# Test submodule creation.

sm = rwrepo.submodules[0]

sm = rwrepo.create_submodule(

"my_new_sub",

"some_path",

join_path_native(self.rorepo.working_tree_dir, sm.path),

)

self.assertIsInstance(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 = osp.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")

with open(git_file_path, "wb") as fp:

fp.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)

self.assertEqual(osp.abspath(git_file_repo.git_dir), real_path_abs)

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

with open(git_file_path, "wb") as fp:

fp.write(("gitdir: %s\n" % real_path_abs).encode("ascii"))

git_file_repo = Repo(rwrepo.working_tree_dir)

self.assertEqual(osp.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:

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GitPython/test/test_repo.py at master · gitpython-developers/GitPython · GitHub

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