1#!/usr/bin/env python3
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
17"""Main entrypoint for all of atest's unittest."""
18
19# pylint: disable=line-too-long
20
21import logging
22import os
23import sys
24import unittest
25
26from importlib import import_module
27
28# Setup logging to be silent so unittests can pass through TF.
29logging.disable(logging.ERROR)
30
31def get_test_modules():
32    """Returns a list of testable modules.
33
34    Finds all the test files (*_unittest.py) and get their no-absolute
35    path (internal/lib/utils_test.py) and translate it to an import path and
36    strip the py ext (internal.lib.utils_test).
37
38    Returns:
39        List of strings (the testable module import path).
40    """
41    testable_modules = []
42    base_path = os.path.dirname(os.path.realpath(__file__))
43
44    for dirpath, _, files in os.walk(base_path):
45        for f in files:
46            if f.endswith("_unittest.py"):
47                # Now transform it into a no-absolute import path.
48                full_file_path = os.path.join(dirpath, f)
49                rel_file_path = os.path.relpath(full_file_path, base_path)
50                rel_file_path, _ = os.path.splitext(rel_file_path)
51                rel_file_path = rel_file_path.replace(os.sep, ".")
52                testable_modules.append(rel_file_path)
53
54    return testable_modules
55
56def main(_):
57    """Main unittest entry.
58
59    Args:
60        argv: A list of system arguments. (unused)
61
62    Returns:
63        0 if success. None-zero if fails.
64    """
65    test_modules = get_test_modules()
66    for mod in test_modules:
67        import_module(mod)
68
69    loader = unittest.defaultTestLoader
70    test_suite = loader.loadTestsFromNames(test_modules)
71    runner = unittest.TextTestRunner(verbosity=2)
72    result = runner.run(test_suite)
73    sys.exit(not result.wasSuccessful())
74
75
76if __name__ == '__main__':
77    main(sys.argv[1:])
78