GitPython/test/test_commit.py at main · asteroidDavis/GitPython · GitHub

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# -*- coding: utf-8 -*-

# test_commit.py

# This module is part of GitPython and is released under

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

import copy

from datetime import datetime

from io import BytesIO

import re

import sys

import time

from unittest.mock import Mock

from git import (

Commit,

Actor,

)

from git import Repo

from git.objects.util import tzoffset, utc

from git.repo.fun import touch

from test.lib import TestBase, with_rw_repo, fixture_path, StringProcessAdapter

from test.lib import with_rw_directory

from gitdb import IStream

import os.path as osp

class TestCommitSerialization(TestBase):

def assert_commit_serialization(self, rwrepo, commit_id, print_performance_info=False):

"""traverse all commits in the history of commit identified by commit_id and check

if the serialization works.

:param print_performance_info: if True, we will show how fast we are"""

ns = 0 # num serializations

nds = 0 # num deserializations

st = time.time()

for cm in rwrepo.commit(commit_id).traverse():

nds += 1

# assert that we deserialize commits correctly, hence we get the same

# sha on serialization

stream = BytesIO()

cm._serialize(stream)

ns += 1

streamlen = stream.tell()

stream.seek(0)

istream = rwrepo.odb.store(IStream(Commit.type, streamlen, stream))

self.assertEqual(istream.hexsha, cm.hexsha.encode("ascii"))

nc = Commit(

rwrepo,

Commit.NULL_BIN_SHA,

cm.tree,

cm.author,

cm.authored_date,

cm.author_tz_offset,

cm.committer,

cm.committed_date,

cm.committer_tz_offset,

cm.message,

cm.parents,

cm.encoding,

)

self.assertEqual(nc.parents, cm.parents)

stream = BytesIO()

nc._serialize(stream)

ns += 1

streamlen = stream.tell()

stream.seek(0)

# reuse istream

istream.size = streamlen

istream.stream = stream

istream.binsha = None

nc.binsha = rwrepo.odb.store(istream).binsha

# if it worked, we have exactly the same contents !

self.assertEqual(nc.hexsha, cm.hexsha)

# END check commits

elapsed = time.time() - st

if print_performance_info:

print(

"Serialized %i and deserialized %i commits in %f s ( (%f, %f) commits / s"

% (ns, nds, elapsed, ns / elapsed, nds / elapsed),

file=sys.stderr,

)

# END handle performance info

class TestCommit(TestCommitSerialization):

def test_bake(self):

commit = self.rorepo.commit("2454ae89983a4496a445ce347d7a41c0bb0ea7ae")

# commits have no dict

self.assertRaises(AttributeError, setattr, commit, "someattr", 1)

commit.author # bake

self.assertEqual("Sebastian Thiel", commit.author.name)

self.assertEqual("byronimo@gmail.com", commit.author.email)

self.assertEqual(commit.author, commit.committer)

assert isinstance(commit.authored_date, int) and isinstance(commit.committed_date, int)

assert isinstance(commit.author_tz_offset, int) and isinstance(commit.committer_tz_offset, int)

self.assertEqual(

commit.message,

"Added missing information to docstrings of commit and stats module\n",

)

def test_replace_no_changes(self):

old_commit = self.rorepo.commit("2454ae89983a4496a445ce347d7a41c0bb0ea7ae")

new_commit = old_commit.replace()

for attr in old_commit.__slots__:

assert getattr(new_commit, attr) == getattr(old_commit, attr)

def test_replace_new_sha(self):

commit = self.rorepo.commit("2454ae89983a4496a445ce347d7a41c0bb0ea7ae")

new_commit = commit.replace(message="Added replace method")

assert new_commit.hexsha == "fc84cbecac1bd4ba4deaac07c1044889edd536e6"

assert new_commit.message == "Added replace method"

def test_replace_invalid_attribute(self):

commit = self.rorepo.commit("2454ae89983a4496a445ce347d7a41c0bb0ea7ae")

with self.assertRaises(ValueError):

commit.replace(badattr="This will never work")

def test_stats(self):

commit = self.rorepo.commit("33ebe7acec14b25c5f84f35a664803fcab2f7781")

stats = commit.stats

def check_entries(d):

assert isinstance(d, dict)

for key in ("insertions", "deletions", "lines"):

assert key in d

# END assertion helper

assert stats.files

assert stats.total

check_entries(stats.total)

assert "files" in stats.total

for _filepath, d in stats.files.items():

check_entries(d)

# END for each stated file

# assure data is parsed properly

michael = Actor._from_string("Michael Trier <mtrier@gmail.com>")

self.assertEqual(commit.author, michael)

self.assertEqual(commit.committer, michael)

self.assertEqual(commit.authored_date, 1210193388)

self.assertEqual(commit.committed_date, 1210193388)

self.assertEqual(commit.author_tz_offset, 14400, commit.author_tz_offset)

self.assertEqual(commit.committer_tz_offset, 14400, commit.committer_tz_offset)

self.assertEqual(commit.message, "initial project\n")

def test_unicode_actor(self):

# assure we can parse unicode actors correctly

name = "Üäöß ÄußÉ"

self.assertEqual(len(name), 9)

special = Actor._from_string("%s <something@this.com>" % name)

self.assertEqual(special.name, name)

assert isinstance(special.name, str)

def test_traversal(self):

start = self.rorepo.commit("a4d06724202afccd2b5c54f81bcf2bf26dea7fff")

first = self.rorepo.commit("33ebe7acec14b25c5f84f35a664803fcab2f7781")

p0 = start.parents[0]

p1 = start.parents[1]

p00 = p0.parents[0]

p10 = p1.parents[0]

# basic branch first, depth first

dfirst = start.traverse(branch_first=False)

bfirst = start.traverse(branch_first=True)

self.assertEqual(next(dfirst), p0)

self.assertEqual(next(dfirst), p00)

self.assertEqual(next(bfirst), p0)

self.assertEqual(next(bfirst), p1)

self.assertEqual(next(bfirst), p00)

self.assertEqual(next(bfirst), p10)

# at some point, both iterations should stop

self.assertEqual(list(bfirst)[-1], first)

stoptraverse = self.rorepo.commit("254d04aa3180eb8b8daf7b7ff25f010cd69b4e7d").traverse(

ignore_self=0, as_edge=True

)

stoptraverse_list = list(stoptraverse)

for itemtup in stoptraverse_list:

self.assertIsInstance(itemtup, (tuple)) and self.assertEqual(len(itemtup), 2) # as_edge=True -> tuple

src, item = itemtup

self.assertIsInstance(item, Commit)

if src:

self.assertIsInstance(src, Commit)

else:

self.assertIsNone(src) # ignore_self=0 -> first is (None, Commit)

stoptraverse = self.rorepo.commit("254d04aa3180eb8b8daf7b7ff25f010cd69b4e7d").traverse(as_edge=True)

self.assertEqual(len(next(stoptraverse)), 2)

# ignore self

self.assertEqual(next(start.traverse(ignore_self=False)), start)

# depth

self.assertEqual(len(list(start.traverse(ignore_self=False, depth=0))), 1)

# prune

self.assertEqual(next(start.traverse(branch_first=1, prune=lambda i, d: i == p0)), p1)

# predicate

self.assertEqual(next(start.traverse(branch_first=1, predicate=lambda i, d: i == p1)), p1)

# traversal should stop when the beginning is reached

self.assertRaises(StopIteration, next, first.traverse())

# parents of the first commit should be empty ( as the only parent has a null

# sha )

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

def test_iteration(self):

# we can iterate commits

all_commits = Commit.list_items(self.rorepo, self.rorepo.head)

assert all_commits

self.assertEqual(all_commits, list(self.rorepo.iter_commits()))

# this includes merge commits

mcomit = self.rorepo.commit("d884adc80c80300b4cc05321494713904ef1df2d")

assert mcomit in all_commits

# we can limit the result to paths

ltd_commits = list(self.rorepo.iter_commits(paths="CHANGES"))

assert ltd_commits and len(ltd_commits) < len(all_commits)

# show commits of multiple paths, resulting in a union of commits

less_ltd_commits = list(Commit.iter_items(self.rorepo, "master", paths=("CHANGES", "AUTHORS")))

assert len(ltd_commits) < len(less_ltd_commits)

class Child(Commit):

def __init__(self, *args, **kwargs):

super(Child, self).__init__(*args, **kwargs)

child_commits = list(Child.iter_items(self.rorepo, "master", paths=("CHANGES", "AUTHORS")))

assert type(child_commits[0]) == Child

def test_iter_items(self):

# pretty not allowed

self.assertRaises(ValueError, Commit.iter_items, self.rorepo, "master", pretty="raw")

def test_rev_list_bisect_all(self):

"""

'git rev-list --bisect-all' returns additional information

in the commit header. This test ensures that we properly parse it.

"""

revs = self.rorepo.git.rev_list(

"933d23bf95a5bd1624fbcdf328d904e1fa173474",

first_parent=True,

bisect_all=True,

)

commits = Commit._iter_from_process_or_stream(self.rorepo, StringProcessAdapter(revs.encode("ascii")))

expected_ids = (

"7156cece3c49544abb6bf7a0c218eb36646fad6d",

"1f66cfbbce58b4b552b041707a12d437cc5f400a",

"33ebe7acec14b25c5f84f35a664803fcab2f7781",

"933d23bf95a5bd1624fbcdf328d904e1fa173474",

)

for sha1, commit in zip(expected_ids, commits):

self.assertEqual(sha1, commit.hexsha)

@with_rw_directory

def test_ambiguous_arg_iteration(self, rw_dir):

rw_repo = Repo.init(osp.join(rw_dir, "test_ambiguous_arg"))

path = osp.join(str(rw_repo.working_tree_dir), "master")

touch(path)

rw_repo.index.add([path])

rw_repo.index.commit("initial commit")

list(rw_repo.iter_commits(rw_repo.head.ref)) # should fail unless bug is fixed

def test_count(self):

self.assertEqual(self.rorepo.tag("refs/tags/0.1.5").commit.count(), 143)

def test_list(self):

# This doesn't work anymore, as we will either attempt getattr with bytes, or compare 20 byte string

# with actual 20 byte bytes. This usage makes no sense anyway

assert isinstance(

Commit.list_items(self.rorepo, "0.1.5", max_count=5)["5117c9c8a4d3af19a9958677e45cda9269de1541"],

Commit,

)

def test_str(self):

commit = Commit(self.rorepo, Commit.NULL_BIN_SHA)

self.assertEqual(Commit.NULL_HEX_SHA, str(commit))

def test_repr(self):

commit = Commit(self.rorepo, Commit.NULL_BIN_SHA)

self.assertEqual('<git.Commit "%s">' % Commit.NULL_HEX_SHA, repr(commit))

def test_equality(self):

commit1 = Commit(self.rorepo, Commit.NULL_BIN_SHA)

commit2 = Commit(self.rorepo, Commit.NULL_BIN_SHA)

commit3 = Commit(self.rorepo, "\1" * 20)

self.assertEqual(commit1, commit2)

self.assertNotEqual(commit2, commit3)

def test_iter_parents(self):

# should return all but ourselves, even if skip is defined

c = self.rorepo.commit("0.1.5")

for skip in (0, 1):

piter = c.iter_parents(skip=skip)

first_parent = next(piter)

assert first_parent != c

self.assertEqual(first_parent, c.parents[0])

# END for each

def test_name_rev(self):

name_rev = self.rorepo.head.commit.name_rev

assert isinstance(name_rev, str)

@with_rw_repo("HEAD", bare=True)

def test_serialization(self, rwrepo):

# create all commits of our repo

self.assert_commit_serialization(rwrepo, "0.1.6")

def test_serialization_unicode_support(self):

self.assertEqual(Commit.default_encoding.lower(), "utf-8")

# create a commit with unicode in the message, and the author's name

# Verify its serialization and deserialization

cmt = self.rorepo.commit("0.1.6")

assert isinstance(cmt.message, str) # it automatically decodes it as such

assert isinstance(cmt.author.name, str) # same here

cmt.message = "üäêèß"

self.assertEqual(len(cmt.message), 5)

cmt.author.name = "äüß"

self.assertEqual(len(cmt.author.name), 3)

cstream = BytesIO()

cmt._serialize(cstream)

cstream.seek(0)

assert len(cstream.getvalue())

ncmt = Commit(self.rorepo, cmt.binsha)

ncmt._deserialize(cstream)

self.assertEqual(cmt.author.name, ncmt.author.name)

self.assertEqual(cmt.message, ncmt.message)

# actually, it can't be printed in a shell as repr wants to have ascii only

# it appears

cmt.author.__repr__()

def test_invalid_commit(self):

cmt = self.rorepo.commit()

with open(fixture_path("commit_invalid_data"), "rb") as fd:

cmt._deserialize(fd)

self.assertEqual(cmt.author.name, "E.Azer Ko�o�o�oculu", cmt.author.name)

self.assertEqual(cmt.author.email, "azer@kodfabrik.com", cmt.author.email)

def test_gpgsig(self):

cmt = self.rorepo.commit()

with open(fixture_path("commit_with_gpgsig"), "rb") as fd:

cmt._deserialize(fd)

fixture_sig = """-----BEGIN PGP SIGNATURE-----

Version: GnuPG v1.4.11 (GNU/Linux)

iQIcBAABAgAGBQJRk8zMAAoJEG5mS6x6i9IjsTEP/0v2Wx/i7dqyKban6XMIhVdj

uI0DycfXqnCCZmejidzeao+P+cuK/ZAA/b9fU4MtwkDm2USvnIOrB00W0isxsrED

sdv6uJNa2ybGjxBolLrfQcWutxGXLZ1FGRhEvkPTLMHHvVriKoNFXcS7ewxP9MBf

NH97K2wauqA+J4BDLDHQJgADCOmLrGTAU+G1eAXHIschDqa6PZMH5nInetYZONDh

3SkOOv8VKFIF7gu8X7HC+7+Y8k8U0TW0cjlQ2icinwCc+KFoG6GwXS7u/VqIo1Yp

Tack6sxIdK7NXJhV5gAeAOMJBGhO0fHl8UUr96vGEKwtxyZhWf8cuIPOWLk06jA0

g9DpLqmy/pvyRfiPci+24YdYRBua/vta+yo/Lp85N7Hu/cpIh+q5WSLvUlv09Dmo

TTTG8Hf6s3lEej7W8z2xcNZoB6GwXd8buSDU8cu0I6mEO9sNtAuUOHp2dBvTA6cX

PuQW8jg3zofnx7CyNcd3KF3nh2z8mBcDLgh0Q84srZJCPRuxRcp9ylggvAG7iaNd

XMNvSK8IZtWLkx7k3A3QYt1cN4y1zdSHLR2S+BVCEJea1mvUE+jK5wiB9S4XNtKm

BX/otlTa8pNE3fWYBxURvfHnMY4i3HQT7Bc1QjImAhMnyo2vJk4ORBJIZ1FTNIhJ

JzJMZDRLQLFvnzqZuCjE

=przd

-----END PGP SIGNATURE-----"""

self.assertEqual(cmt.gpgsig, fixture_sig)

cmt.gpgsig = "<test\ndummy\nsig>"

assert cmt.gpgsig != fixture_sig

cstream = BytesIO()

cmt._serialize(cstream)

assert re.search(

r"^gpgsig <test\n dummy\n sig>$",

cstream.getvalue().decode("ascii"),

re.MULTILINE,

)

self.assert_gpgsig_deserialization(cstream)

cstream.seek(0)

cmt.gpgsig = None

cmt._deserialize(cstream)

self.assertEqual(cmt.gpgsig, "<test\ndummy\nsig>")

cmt.gpgsig = None

cstream = BytesIO()

cmt._serialize(cstream)

assert not re.search(r"^gpgsig ", cstream.getvalue().decode("ascii"), re.MULTILINE)

def assert_gpgsig_deserialization(self, cstream):

assert "gpgsig" in "precondition: need gpgsig"

class RepoMock:

def __init__(self, bytestr):

self.bytestr = bytestr

@property

def odb(self):

class ODBMock:

def __init__(self, bytestr):

self.bytestr = bytestr

def stream(self, *args):

stream = Mock(spec_set=["read"], return_value=self.bytestr)

stream.read.return_value = self.bytestr

return ("binsha", "typename", "size", stream)

return ODBMock(self.bytestr)

repo_mock = RepoMock(cstream.getvalue())

for field in Commit.__slots__:

c = Commit(repo_mock, b"x" * 20)

assert getattr(c, field) is not None

def test_datetimes(self):

commit = self.rorepo.commit("4251bd5")

self.assertEqual(commit.authored_date, 1255018625)

self.assertEqual(commit.committed_date, 1255026171)

self.assertEqual(

commit.authored_datetime,

datetime(2009, 10, 8, 18, 17, 5, tzinfo=tzoffset(-7200)),

commit.authored_datetime,

) # noqa

self.assertEqual(

commit.authored_datetime,

datetime(2009, 10, 8, 16, 17, 5, tzinfo=utc),

commit.authored_datetime,

)

self.assertEqual(

commit.committed_datetime,

datetime(2009, 10, 8, 20, 22, 51, tzinfo=tzoffset(-7200)),

)

self.assertEqual(

commit.committed_datetime,

datetime(2009, 10, 8, 18, 22, 51, tzinfo=utc),

commit.committed_datetime,

)

def test_trailers(self):

KEY_1 = "Hello"

VALUE_1 = "World"

KEY_2 = "Key"

VALUE_2 = "Value with inner spaces"

# Check if KEY 1 & 2 with Value 1 & 2 is extracted from multiple msg variations

msgs = []

msgs.append(f"Subject\n\n{KEY_1}: {VALUE_1}\n{KEY_2}: {VALUE_2}\n")

msgs.append(f"Subject\n \nSome body of a function\n \n{KEY_1}: {VALUE_1}\n{KEY_2}: {VALUE_2}\n")

msgs.append(

f"Subject\n \nSome body of a function\n\nnon-key: non-value\n\n{KEY_1}: {VALUE_1}\n{KEY_2}: {VALUE_2}\n"

)

msgs.append(

f"Subject\n \nSome multiline\n body of a function\n\nnon-key: non-value\n\n{KEY_1}: {VALUE_1}\n{KEY_2} : {VALUE_2}\n"

)

for msg in msgs:

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

commit = copy.copy(commit)

commit.message = msg

assert KEY_1 in commit.trailers.keys()

assert KEY_2 in commit.trailers.keys()

assert commit.trailers[KEY_1] == VALUE_1

assert commit.trailers[KEY_2] == VALUE_2

# Check that trailer stays empty for multiple msg combinations

msgs = []

msgs.append(f"Subject\n")

msgs.append(f"Subject\n\nBody with some\nText\n")

msgs.append(f"Subject\n\nBody with\nText\n\nContinuation but\n doesn't contain colon\n")

msgs.append(f"Subject\n\nBody with\nText\n\nContinuation but\n only contains one :\n")

msgs.append(f"Subject\n\nBody with\nText\n\nKey: Value\nLine without colon\n")

msgs.append(f"Subject\n\nBody with\nText\n\nLine without colon\nKey: Value\n")

for msg in msgs:

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

commit = copy.copy(commit)

commit.message = msg

assert len(commit.trailers.keys()) == 0

# check that only the last key value paragraph is evaluated

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

commit = copy.copy(commit)

commit.message = f"Subject\n\nMultiline\nBody\n\n{KEY_1}: {VALUE_1}\n\n{KEY_2}: {VALUE_2}\n"

assert KEY_1 not in commit.trailers.keys()

assert KEY_2 in commit.trailers.keys()

assert commit.trailers[KEY_2] == VALUE_2

GitPython/test/test_commit.py at main · asteroidDavis/GitPython · GitHub

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