1#!/usr/bin/env python3
2#
3# Copyright 2019 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9# http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16"""Main entrypoint for all of atest's unittest."""
17
18from importlib import import_module
19import os
20import sys
21import unittest
22
23
24def get_test_modules():
25  """Returns a list of test modules.
26
27  Finds all the test files (*_test.py) and get their relative
28  path (internal/lib/utils_test.py) and translate it to an import path and
29  strip the py ext (internal.lib.utils_test).
30
31  Returns:
32      List of strings (the testable module import path).
33  """
34  testable_modules = []
35  package = os.path.dirname(os.path.realpath(__file__))
36  base_path = os.path.dirname(package)
37
38  for dirpath, _, files in os.walk(package):
39    for f in files:
40      if f.endswith('_test.py'):
41        # Now transform it into a relative import path.
42        full_file_path = os.path.join(dirpath, f)
43        rel_file_path = os.path.relpath(full_file_path, base_path)
44        rel_file_path, _ = os.path.splitext(rel_file_path)
45        rel_file_path = rel_file_path.replace(os.sep, '.')
46        testable_modules.append(rel_file_path)
47
48  return testable_modules
49
50
51def main(_):
52  """Main unittest entry.
53
54  Args:
55      argv: A list of system arguments. (unused)
56
57  Returns:
58      0 if success. None-zero if fails.
59  """
60  test_modules = get_test_modules()
61  for mod in test_modules:
62    import_module(mod)
63
64  loader = unittest.defaultTestLoader
65  test_suite = loader.loadTestsFromNames(test_modules)
66  runner = unittest.TextTestRunner(verbosity=2)
67  result = runner.run(test_suite)
68  sys.exit(not result.wasSuccessful())
69
70
71if __name__ == '__main__':
72  main(sys.argv[1:])
73