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import contextlib

import os.path

import subprocess

import pytest

from pre_commit import parse_shebang

from pre_commit.util import CalledProcessError

from pre_commit.util import cmd_output

from pre_commit.util import cmd_output_b

from testing.auto_namedtuple import auto_namedtuple

TESTING_DIR = os.path.abspath(os.path.dirname(__file__))

def docker_is_running() -> bool: # pragma: win32 no cover

try:

cmd_output_b('docker', 'ps')

except CalledProcessError: # pragma: no cover

return False

else:

return True

def get_resource_path(path):

return os.path.join(TESTING_DIR, 'resources', path)

def cmd_output_mocked_pre_commit_home(

*args, tempdir_factory, pre_commit_home=None, env=None, **kwargs,

if pre_commit_home is None:

pre_commit_home = tempdir_factory.get()

env = env if env is not None else os.environ

kwargs.setdefault('stderr', subprocess.STDOUT)

# Don't want to write to the home directory

env = dict(env, PRE_COMMIT_HOME=pre_commit_home)

ret, out, _ = cmd_output(*args, env=env, **kwargs)

return ret, out.replace('\r\n', '\n'), None

skipif_cant_run_coursier = pytest.mark.skipif(

os.name == 'nt' or parse_shebang.find_executable('cs') is None,

reason="coursier isn't installed or can't be found",

)

skipif_cant_run_docker = pytest.mark.skipif(

os.name == 'nt' or not docker_is_running(),

reason="Docker isn't running or can't be accessed",

)

skipif_cant_run_swift = pytest.mark.skipif(

parse_shebang.find_executable('swift') is None,

reason="swift isn't installed or can't be found",

)

xfailif_windows = pytest.mark.xfail(os.name == 'nt', reason='windows')

def run_opts(

all_files=False,

files=(),

color=False,

verbose=False,

hook=None,

remote_branch='',

from_ref='',

to_ref='',

remote_name='',

remote_url='',

hook_stage='commit',

show_diff_on_failure=False,

commit_msg_filename='',

checkout_type='',

# These are mutually exclusive

assert not (all_files and files)

return auto_namedtuple(

all_files=all_files,

files=files,

color=color,

verbose=verbose,

hook=hook,

remote_branch=remote_branch,

from_ref=from_ref,

to_ref=to_ref,

remote_name=remote_name,

remote_url=remote_url,

hook_stage=hook_stage,

show_diff_on_failure=show_diff_on_failure,

commit_msg_filename=commit_msg_filename,

checkout_type=checkout_type,

)

@contextlib.contextmanager

def cwd(path):

original_cwd = os.getcwd()

os.chdir(path)

try:

yield

finally:

os.chdir(original_cwd)

def git_commit(*args, fn=cmd_output, msg='commit!', all_files=True, **kwargs):

kwargs.setdefault('stderr', subprocess.STDOUT)

cmd = ('git', 'commit', '--allow-empty', '--no-gpg-sign', *args)

if all_files: # allow skipping `-a` with `all_files=False`

cmd += ('-a',)

if msg is not None: # allow skipping `-m` with `msg=None`

cmd += ('-m', msg)

ret, out, _ = fn(*cmd, **kwargs)

return ret, out.replace('\r\n', '\n')

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