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test_git.py
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299 lines (246 loc) · 10.9 KB
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# -*- coding: utf-8 -*-
# test_git.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 os
import subprocess
import sys
from tempfile import TemporaryFile
from git import (
Git,
refresh,
GitCommandError,
GitCommandNotFound,
Repo,
cmd
)
from git.compat import PY3, is_darwin
from git.test.lib import (
TestBase,
patch,
raises,
assert_equal,
assert_true,
assert_match,
fixture_path
)
from git.test.lib import with_rw_directory
from git.util import finalize_process
import os.path as osp
try:
from unittest import mock
except ImportError:
import mock
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()
@patch.object(Git, 'execute')
def test_call_process_calls_execute(self, git):
git.return_value = ''
self.git.version()
assert_true(git.called)
assert_equal(git.call_args, ((['git', 'version'],), {}))
def test_call_unpack_args_unicode(self):
args = Git._Git__unpack_args(u'Unicode€™')
if PY3:
mangled_value = 'Unicode\u20ac\u2122'
else:
mangled_value = 'Unicode\xe2\x82\xac\xe2\x84\xa2'
assert_equal(args, [mangled_value])
def test_call_unpack_args(self):
args = Git._Git__unpack_args(['git', 'log', '--', u'Unicode€™'])
if PY3:
mangled_value = 'Unicode\u20ac\u2122'
else:
mangled_value = 'Unicode\xe2\x82\xac\xe2\x84\xa2'
assert_equal(args, ['git', 'log', '--', mangled_value])
@raises(GitCommandError)
def test_it_raises_errors(self):
self.git.this_does_not_exist()
def test_it_transforms_kwargs_into_git_command_arguments(self):
assert_equal(["-s"], self.git.transform_kwargs(**{'s': True}))
assert_equal(["-s", "5"], self.git.transform_kwargs(**{'s': 5}))
assert_equal([], self.git.transform_kwargs(**{'s': None}))
assert_equal(["--max-count"], self.git.transform_kwargs(**{'max_count': True}))
assert_equal(["--max-count=5"], self.git.transform_kwargs(**{'max_count': 5}))
assert_equal(["--max-count=0"], self.git.transform_kwargs(**{'max_count': 0}))
assert_equal([], self.git.transform_kwargs(**{'max_count': None}))
# Multiple args are supported by using lists/tuples
assert_equal(["-L", "1-3", "-L", "12-18"], self.git.transform_kwargs(**{'L': ('1-3', '12-18')}))
assert_equal(["-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):
assert_match(r'^git version [\d\.]{2}.*$', self.git.execute(["git", "version"]))
def test_it_accepts_stdin(self):
filename = fixture_path("cat_file_blob")
with open(filename, 'r') as fh:
assert_equal("70c379b63ffa0795fdbfbc128e5a2818397b7ef8",
self.git.hash_object(istream=fh, stdin=True))
@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)
assert_true("pass_this_kwarg" not in git.call_args[1])
@raises(GitCommandError)
def test_it_raises_proper_exception_with_output_stream(self):
tmp_file = TemporaryFile()
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)
assert_equal(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.failUnlessRaises(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.assertEquals(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.assertEquals(git_version, git_command_version)
# subsequent calls keep this option:
git_version_2 = self.git.NoOp()
self.assertEquals(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.assertEquals(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.failUnlessRaises(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)
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