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util.py
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import contextlib
import os.path
import subprocess
import pytest
from pre_commit import parse_shebang
from pre_commit.languages.docker import docker_is_running
from pre_commit.util import cmd_output
from testing.auto_namedtuple import auto_namedtuple
TESTING_DIR = os.path.abspath(os.path.dirname(__file__))
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_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_no_ruby = pytest.mark.xfail(
os.name == 'nt',
reason='Ruby support not yet implemented on windows.',
)
xfailif_windows = pytest.mark.xfail(os.name == 'nt', reason='windows')
def run_opts(
all_files=False,
files=(),
color=False,
verbose=False,
hook=None,
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,
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')