1#!/usr/bin/env python
2#
3# Copyright 2018 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
18import logging
19import os
20import sys
21import unittest
22from importlib import import_module
23
24# Setup logging to be silent so unittests can pass through TF.
25logging.disable(logging.ERROR)
26
27def get_test_modules():
28    """Returns a list of testable modules.
29
30    Finds all the test files (*_unittest.py) and get their relative
31    path (internal/lib/utils_test.py) and translate it to an import path and
32    strip the py ext (internal.lib.utils_test).
33
34    Returns:
35        List of strings (the testable module import path).
36    """
37    testable_modules = []
38    base_path = os.path.dirname(os.path.realpath(__file__))
39
40    for dirpath, _, files in os.walk(base_path):
41        for f in files:
42            if f.endswith("_unittest.py"):
43                # Now transform it into a relative import path.
44                full_file_path = os.path.join(dirpath, f)
45                rel_file_path = os.path.relpath(full_file_path, base_path)
46                rel_file_path, _ = os.path.splitext(rel_file_path)
47                rel_file_path = rel_file_path.replace(os.sep, ".")
48                testable_modules.append(rel_file_path)
49
50    return testable_modules
51
52def main(_):
53    """Main unittest entry.
54
55    Args:
56        argv: A list of system arguments. (unused)
57
58    Returns:
59        0 if success. None-zero if fails.
60    """
61    test_modules = get_test_modules()
62    for mod in test_modules:
63        import_module(mod)
64
65    loader = unittest.defaultTestLoader
66    test_suite = loader.loadTestsFromNames(test_modules)
67    runner = unittest.TextTestRunner(verbosity=2)
68    result = runner.run(test_suite)
69    sys.exit(not result.wasSuccessful())
70
71
72if __name__ == '__main__':
73    main(sys.argv[1:])
74