seccomp_tools/mass_seccomp_editor/test_mass_seccomp_editor.py

#!/usr/bin/env python3

# Copyright 2021 The ChromiumOS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Unit tests for mass_seccomp_editor.py"""

import unittest
from unittest import mock

import mass_seccomp_editor

BASE_SECCOMP_CONTENTS = """
fstat: 1
poll: 1
foobar: 1
"""

TEST_FP = 'foo'


class TestMassSeccompEditor(unittest.TestCase):
  """Test the mass_seccomp_editor."""

  def test_check_missing_sycalls(self):
    """Test we can find missing syscalls."""
    with mock.patch('builtins.open',
                    mock.mock_open(read_data=BASE_SECCOMP_CONTENTS)):
      out = mass_seccomp_editor.check_missing_syscalls(
          ['fstat', 'dup', 'fizzbuzz'], TEST_FP)
    self.assertEqual(out, set(['dup', 'fizzbuzz']))


if __name__ == '__main__':
  unittest.main()