| import os |
| import subprocess |
| |
| import pytest |
| |
| from pre_commit_hooks.destroyed_symlinks import find_destroyed_symlinks |
| from pre_commit_hooks.destroyed_symlinks import main |
| from testing.util import git_commit |
| |
| TEST_SYMLINK = 'test_symlink' |
| TEST_SYMLINK_TARGET = '/doesnt/really/matters' |
| TEST_FILE = 'test_file' |
| TEST_FILE_RENAMED = f'{TEST_FILE}_renamed' |
| |
| |
| @pytest.fixture |
| def repo_with_destroyed_symlink(tmpdir): |
| source_repo = tmpdir.join('src') |
| os.makedirs(source_repo, exist_ok=True) |
| test_repo = tmpdir.join('test') |
| with source_repo.as_cwd(): |
| subprocess.check_call(('git', 'init')) |
| os.symlink(TEST_SYMLINK_TARGET, TEST_SYMLINK) |
| with open(TEST_FILE, 'w') as f: |
| print('some random content', file=f) |
| subprocess.check_call(('git', 'add', '.')) |
| git_commit('-m', 'initial') |
| assert b'120000 ' in subprocess.check_output( |
| ('git', 'cat-file', '-p', 'HEAD^{tree}'), |
| ) |
| subprocess.check_call( |
| ('git', '-c', 'core.symlinks=false', 'clone', source_repo, test_repo), |
| ) |
| with test_repo.as_cwd(): |
| subprocess.check_call( |
| ('git', 'config', '--local', 'core.symlinks', 'true'), |
| ) |
| subprocess.check_call(('git', 'mv', TEST_FILE, TEST_FILE_RENAMED)) |
| assert not os.path.islink(test_repo.join(TEST_SYMLINK)) |
| yield test_repo |
| |
| |
| def test_find_destroyed_symlinks(repo_with_destroyed_symlink): |
| with repo_with_destroyed_symlink.as_cwd(): |
| assert find_destroyed_symlinks([]) == [] |
| assert main([]) == 0 |
| |
| subprocess.check_call(('git', 'add', TEST_SYMLINK)) |
| assert find_destroyed_symlinks([TEST_SYMLINK]) == [TEST_SYMLINK] |
| assert find_destroyed_symlinks([]) == [] |
| assert main([]) == 0 |
| assert find_destroyed_symlinks([TEST_FILE_RENAMED, TEST_FILE]) == [] |
| ALL_STAGED = [TEST_SYMLINK, TEST_FILE_RENAMED] |
| assert find_destroyed_symlinks(ALL_STAGED) == [TEST_SYMLINK] |
| assert main(ALL_STAGED) != 0 |
| |
| with open(TEST_SYMLINK, 'a') as f: |
| print(file=f) # add trailing newline |
| subprocess.check_call(['git', 'add', TEST_SYMLINK]) |
| assert find_destroyed_symlinks(ALL_STAGED) == [TEST_SYMLINK] |
| assert main(ALL_STAGED) != 0 |
| |
| with open(TEST_SYMLINK, 'w') as f: |
| print('0' * len(TEST_SYMLINK_TARGET), file=f) |
| subprocess.check_call(('git', 'add', TEST_SYMLINK)) |
| assert find_destroyed_symlinks(ALL_STAGED) == [] |
| assert main(ALL_STAGED) == 0 |
| |
| with open(TEST_SYMLINK, 'w') as f: |
| print('0' * (len(TEST_SYMLINK_TARGET) + 3), file=f) |
| subprocess.check_call(('git', 'add', TEST_SYMLINK)) |
| assert find_destroyed_symlinks(ALL_STAGED) == [] |
| assert main(ALL_STAGED) == 0 |