GitPython/test/test_git.py at more-robust-git-diff · mathrick/GitPython · GitHub

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

# test_git.py

# This module is part of GitPython and is released under

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

import os

import subprocess

import sys

from tempfile import TemporaryFile

from unittest import mock

from git import (

Git,

refresh,

GitCommandError,

GitCommandNotFound,

Repo,

cmd

)

from git.compat import is_darwin

from test.lib import (

TestBase,

fixture_path

)

from test.lib import with_rw_directory

from git.util import finalize_process

import os.path as osp

from git.compat import is_win

class TestGit(TestBase):

@classmethod

def setUpClass(cls):

super(TestGit, cls).setUpClass()

cls.git = Git(cls.rorepo.working_dir)

def tearDown(self):

import gc

gc.collect()

@mock.patch.object(Git, 'execute')

def test_call_process_calls_execute(self, git):

git.return_value = ''

self.git.version()

self.assertTrue(git.called)

self.assertEqual(git.call_args, ((['git', 'version'],), {}))

def test_call_unpack_args_unicode(self):

args = Git._Git__unpack_args('Unicode€™')

mangled_value = 'Unicode\u20ac\u2122'

self.assertEqual(args, [mangled_value])

def test_call_unpack_args(self):

args = Git._Git__unpack_args(['git', 'log', '--', 'Unicode€™'])

mangled_value = 'Unicode\u20ac\u2122'

self.assertEqual(args, ['git', 'log', '--', mangled_value])

def test_it_raises_errors(self):

self.assertRaises(GitCommandError, self.git.this_does_not_exist)

def test_it_transforms_kwargs_into_git_command_arguments(self):

self.assertEqual(["-s"], self.git.transform_kwargs(**{'s': True}))

self.assertEqual(["-s", "5"], self.git.transform_kwargs(**{'s': 5}))

self.assertEqual([], self.git.transform_kwargs(**{'s': None}))

self.assertEqual(["--max-count"], self.git.transform_kwargs(**{'max_count': True}))

self.assertEqual(["--max-count=5"], self.git.transform_kwargs(**{'max_count': 5}))

self.assertEqual(["--max-count=0"], self.git.transform_kwargs(**{'max_count': 0}))

self.assertEqual([], self.git.transform_kwargs(**{'max_count': None}))

# Multiple args are supported by using lists/tuples

self.assertEqual(["-L", "1-3", "-L", "12-18"], self.git.transform_kwargs(**{'L': ('1-3', '12-18')}))

self.assertEqual(["-C", "-C"], self.git.transform_kwargs(**{'C': [True, True, None, False]}))

# order is undefined

res = self.git.transform_kwargs(**{'s': True, 't': True})

self.assertEqual({'-s', '-t'}, set(res))

def test_it_executes_git_to_shell_and_returns_result(self):

self.assertRegex(self.git.execute(["git", "version"]), r'^git version [\d\.]{2}.*$')

def test_it_accepts_stdin(self):

filename = fixture_path("cat_file_blob")

with open(filename, 'r') as fh:

self.assertEqual("70c379b63ffa0795fdbfbc128e5a2818397b7ef8",

self.git.hash_object(istream=fh, stdin=True))

@mock.patch.object(Git, 'execute')

def test_it_ignores_false_kwargs(self, git):

# this_should_not_be_ignored=False implies it *should* be ignored

self.git.version(pass_this_kwarg=False)

self.assertTrue("pass_this_kwarg" not in git.call_args[1])

def test_it_raises_proper_exception_with_output_stream(self):

tmp_file = TemporaryFile()

self.assertRaises(GitCommandError, self.git.checkout, 'non-existent-branch', output_stream=tmp_file)

def test_it_accepts_environment_variables(self):

filename = fixture_path("ls_tree_empty")

with open(filename, 'r') as fh:

tree = self.git.mktree(istream=fh)

env = {

'GIT_AUTHOR_NAME': 'Author Name',

'GIT_AUTHOR_EMAIL': 'author@example.com',

'GIT_AUTHOR_DATE': '1400000000+0000',

'GIT_COMMITTER_NAME': 'Committer Name',

'GIT_COMMITTER_EMAIL': 'committer@example.com',

'GIT_COMMITTER_DATE': '1500000000+0000',

}

commit = self.git.commit_tree(tree, m='message', env=env)

self.assertEqual(commit, '4cfd6b0314682d5a58f80be39850bad1640e9241')

def test_persistent_cat_file_command(self):

# read header only

hexsha = "b2339455342180c7cc1e9bba3e9f181f7baa5167"

g = self.git.cat_file(

batch_check=True, istream=subprocess.PIPE, as_process=True

)

g.stdin.write(b"b2339455342180c7cc1e9bba3e9f181f7baa5167\n")

g.stdin.flush()

obj_info = g.stdout.readline()

# read header + data

g = self.git.cat_file(

batch=True, istream=subprocess.PIPE, as_process=True

)

g.stdin.write(b"b2339455342180c7cc1e9bba3e9f181f7baa5167\n")

g.stdin.flush()

obj_info_two = g.stdout.readline()

self.assertEqual(obj_info, obj_info_two)

# read data - have to read it in one large chunk

size = int(obj_info.split()[2])

g.stdout.read(size)

g.stdout.read(1)

# now we should be able to read a new object

g.stdin.write(b"b2339455342180c7cc1e9bba3e9f181f7baa5167\n")

g.stdin.flush()

self.assertEqual(g.stdout.readline(), obj_info)

# same can be achieved using the respective command functions

hexsha, typename, size = self.git.get_object_header(hexsha)

hexsha, typename_two, size_two, _ = self.git.get_object_data(hexsha)

self.assertEqual(typename, typename_two)

self.assertEqual(size, size_two)

def test_version(self):

v = self.git.version_info

self.assertIsInstance(v, tuple)

for n in v:

self.assertIsInstance(n, int)

# END verify number types

def test_cmd_override(self):

prev_cmd = self.git.GIT_PYTHON_GIT_EXECUTABLE

exc = GitCommandNotFound

try:

# set it to something that doens't exist, assure it raises

type(self.git).GIT_PYTHON_GIT_EXECUTABLE = osp.join(

"some", "path", "which", "doesn't", "exist", "gitbinary")

self.assertRaises(exc, self.git.version)

finally:

type(self.git).GIT_PYTHON_GIT_EXECUTABLE = prev_cmd

# END undo adjustment

def test_refresh(self):

# test a bad git path refresh

self.assertRaises(GitCommandNotFound, refresh, "yada")

# test a good path refresh

which_cmd = "where" if is_win else "which"

path = os.popen("{0} git".format(which_cmd)).read().strip().split('\n')[0]

refresh(path)

def test_options_are_passed_to_git(self):

# This work because any command after git --version is ignored

git_version = self.git(version=True).NoOp()

git_command_version = self.git.version()

self.assertEqual(git_version, git_command_version)

def test_persistent_options(self):

git_command_version = self.git.version()

# analog to test_options_are_passed_to_git

self.git.set_persistent_git_options(version=True)

git_version = self.git.NoOp()

self.assertEqual(git_version, git_command_version)

# subsequent calls keep this option:

git_version_2 = self.git.NoOp()

self.assertEqual(git_version_2, git_command_version)

# reset to empty:

self.git.set_persistent_git_options()

self.assertRaises(GitCommandError, self.git.NoOp)

def test_single_char_git_options_are_passed_to_git(self):

input_value = 'TestValue'

output_value = self.git(c='user.name=%s' % input_value).config('--get', 'user.name')

self.assertEqual(input_value, output_value)

def test_change_to_transform_kwargs_does_not_break_command_options(self):

self.git.log(n=1)

def test_insert_after_kwarg_raises(self):

# This isn't a complete add command, which doesn't matter here

self.assertRaises(ValueError, self.git.remote, 'add', insert_kwargs_after='foo')

def test_env_vars_passed_to_git(self):

editor = 'non_existent_editor'

with mock.patch.dict('os.environ', {'GIT_EDITOR': editor}): # @UndefinedVariable

self.assertEqual(self.git.var("GIT_EDITOR"), editor)

@with_rw_directory

def test_environment(self, rw_dir):

# sanity check

self.assertEqual(self.git.environment(), {})

# make sure the context manager works and cleans up after itself

with self.git.custom_environment(PWD='/tmp'):

self.assertEqual(self.git.environment(), {'PWD': '/tmp'})

self.assertEqual(self.git.environment(), {})

old_env = self.git.update_environment(VARKEY='VARVALUE')

# The returned dict can be used to revert the change, hence why it has

# an entry with value 'None'.

self.assertEqual(old_env, {'VARKEY': None})

self.assertEqual(self.git.environment(), {'VARKEY': 'VARVALUE'})

new_env = self.git.update_environment(**old_env)

self.assertEqual(new_env, {'VARKEY': 'VARVALUE'})

self.assertEqual(self.git.environment(), {})

path = osp.join(rw_dir, 'failing-script.sh')

with open(path, 'wt') as stream:

stream.write("#!/usr/bin/env sh\n"

"echo FOO\n")

os.chmod(path, 0o777)

rw_repo = Repo.init(osp.join(rw_dir, 'repo'))

remote = rw_repo.create_remote('ssh-origin', "ssh://git@server/foo")

with rw_repo.git.custom_environment(GIT_SSH=path):

try:

remote.fetch()

except GitCommandError as err:

if sys.version_info[0] < 3 and is_darwin:

self.assertIn('ssh-orig', str(err))

self.assertEqual(err.status, 128)

else:

self.assertIn('FOO', str(err))

def test_handle_process_output(self):

from git.cmd import handle_process_output

line_count = 5002

count = [None, 0, 0]

def counter_stdout(line):

count[1] += 1

def counter_stderr(line):

count[2] += 1

cmdline = [sys.executable, fixture_path('cat_file.py'), str(fixture_path('issue-301_stderr'))]

proc = subprocess.Popen(cmdline,

stdin=None,

stdout=subprocess.PIPE,

stderr=subprocess.PIPE,

shell=False,

creationflags=cmd.PROC_CREATIONFLAGS,

)

handle_process_output(proc, counter_stdout, counter_stderr, finalize_process)

self.assertEqual(count[1], line_count)

self.assertEqual(count[2], line_count)

GitPython/test/test_git.py at more-robust-git-diff · mathrick/GitPython · GitHub

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