format/formatters/proto_unittest.py

# Copyright 2022 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Test the protobuf module."""

import pytest

from chromite.format.formatters import proto


# None means input is already formatted to avoid having to repeat.
@pytest.mark.parametrize(
    "data,exp",
    (
        ("", None),
        (" // Comment.", "// Comment."),
        ("message foo{\n// Blah\n }", "message foo {\n  // Blah\n}"),
    ),
)
def test_check_format(data, exp):
    """Verify inputs match expected outputs."""
    if exp is None:
        exp = data
    assert exp == proto.Data(data)