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from __future__ import annotations
import os
import subprocess
from unittest import mock
import pytest
from pre_commit_hooks.forbid_new_submodules import main
from testing.util import git_commit
@pytest.fixture
def git_dir_with_git_dir(tmpdir):
with tmpdir.as_cwd():
subprocess.check_call(('git', 'init', '.'))
git_commit('--allow-empty', '-m', 'init')
subprocess.check_call(('git', 'init', 'foo'))
git_commit('--allow-empty', '-m', 'init', cwd=str(tmpdir.join('foo')))
yield
@pytest.mark.parametrize(
'cmd',
(
# Actually add the submodule
('git', 'submodule', 'add', './foo'),
# Sneaky submodule add (that doesn't show up in .gitmodules)
('git', 'add', 'foo'),
),
)
def test_main_new_submodule(git_dir_with_git_dir, capsys, cmd):
subprocess.check_call(cmd)
assert main(('random_non-related_file',)) == 0
assert main(('foo',)) == 1
out, _ = capsys.readouterr()
assert out.startswith('foo: new submodule introduced\n')
def test_main_new_submodule_committed(git_dir_with_git_dir, capsys):
rev_parse_cmd = ('git', 'rev-parse', 'HEAD')
from_ref = subprocess.check_output(rev_parse_cmd).decode().strip()
subprocess.check_call(('git', 'submodule', 'add', './foo'))
git_commit('-m', 'new submodule')
to_ref = subprocess.check_output(rev_parse_cmd).decode().strip()
with mock.patch.dict(
os.environ,
{'PRE_COMMIT_FROM_REF': from_ref, 'PRE_COMMIT_TO_REF': to_ref},
):
assert main(('random_non-related_file',)) == 0
assert main(('foo',)) == 1
out, _ = capsys.readouterr()
assert out.startswith('foo: new submodule introduced\n')
def test_main_no_new_submodule(git_dir_with_git_dir):
open('test.py', 'a+').close()
subprocess.check_call(('git', 'add', 'test.py'))
assert main(('test.py',)) == 0
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