def test_real_size_of_directory_with_unreadable_file(tmp_path):
dir = tmp_path / 'dir' ; dir.mkdir() # noqa: E702
subdir = dir / 'subdir' ; subdir.mkdir() # noqa: E702
(dir / 'file1').write_bytes(b'\x00' * 100)
(subdir / 'file2').write_bytes(b'\x00' * 200)
subdir_mode = os.stat(subdir).st_mode
os.chmod(subdir, mode=0o222)
try:
with pytest.raises(errors.ReadError) as exc_info:
utils.real_size(dir)
assert str(exc_info.value) == f'{subdir}: Permission denied'
finally:
os.chmod(subdir, mode=subdir_mode)
def test_real_size_of_directory(tmp_path):
dir = tmp_path / 'dir' ; dir.mkdir() # noqa: E702
subdir = dir / 'subdir' ; subdir.mkdir() # noqa: E702
(dir / 'file1').write_bytes(b'\x00' * 100)
(dir / 'file2').write_bytes(b'\x00' * 200)
(subdir / 'file3').write_bytes(b'\x00' * 300)
(subdir / 'file4').write_bytes(b'\x00' * 400)
assert utils.real_size(dir) == 1000
def test_real_size_of_nonexising_path():
with pytest.raises(errors.ReadError) as exc_info:
utils.real_size('path/doesnt/exist')
assert str(
exc_info.value) == 'path/doesnt/exist: No such file or directory'
def test_real_size_of_file(tmp_path):
(tmp_path / 'file').write_bytes(b'\x00' * 123)
assert utils.real_size(tmp_path / 'file') == 123
