xref: /aosp_15_r20/external/angle/build/fuchsia/test/coveragetest.py (revision 8975f5c5ed3d1c378011245431ada316dfb6f244)
1#!/usr/bin/env vpython3
2# Copyright 2017 The Chromium Authors
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5"""Ensure files in the directory are thoroughly tested."""
6
7import importlib
8import io
9import os
10import sys
11import unittest
12
13import coverage  # pylint: disable=import-error
14
15# The files need to have sufficient coverages.
16COVERED_FILES = [
17    'compatible_utils.py', 'deploy_to_fuchsia.py', 'flash_device.py',
18    'log_manager.py', 'publish_package.py', 'serve_repo.py'
19]
20
21# The files will be tested without coverage requirements.
22TESTED_FILES = [
23    'bundled_test_runner.py', 'common.py', 'ffx_emulator.py',
24    'modification_waiter.py', 'monitors.py', 'serial_boot_device.py',
25    'test_env_setup.py', 'test_server.py', 'version.py'
26]
27
28
29def main():
30    """Gather coverage data, ensure included files are 100% covered."""
31
32    # Fuchsia tests not supported on Windows
33    if os.name == 'nt':
34        return 0
35
36    cov = coverage.coverage(data_file=None,
37                            include=COVERED_FILES,
38                            config_file=True)
39    cov.start()
40
41    for file in COVERED_FILES + TESTED_FILES:
42        print('Testing ' + file + ' ...')
43        # pylint: disable=import-outside-toplevel
44        # import tests after coverage start to also cover definition lines.
45        module = importlib.import_module(file.replace('.py', '_unittests'))
46        # pylint: enable=import-outside-toplevel
47
48        tests = unittest.TestLoader().loadTestsFromModule(module)
49        if not unittest.TextTestRunner().run(tests).wasSuccessful():
50            return 1
51
52    cov.stop()
53    outf = io.StringIO()
54    percentage = cov.report(file=outf, show_missing=True)
55    if int(percentage) != 100:
56        print(outf.getvalue())
57        print('FATAL: Insufficient coverage (%.f%%)' % int(percentage))
58        return 1
59    return 0
60
61
62if __name__ == '__main__':
63    sys.exit(main())
64