Move to kernel style SPDX license identifiers

[babeltrace.git] / tests / utils / python / testrunner.py

# SPDX-License-Identifier: MIT
#
# Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com>
#

from tap import TAPTestRunner
import unittest
import sys
import argparse


if __name__ == '__main__':
    argparser = argparse.ArgumentParser()
    argparser.add_argument(
        '-f', '--failfast', help='Stop on first fail or error', action='store_true'
    )

    argparser.add_argument(
        'start_dir', help='Base directory where to search for tests', type=str
    )

    mut_exclu_group = argparser.add_mutually_exclusive_group(required=True)

    mut_exclu_group.add_argument(
        '-p',
        '--pattern',
        help='Glob-style pattern of test files to run ' '(e.g. test_event*.py)',
        type=str,
    )

    mut_exclu_group.add_argument(
        '-t',
        '--test-case',
        help='Run a specfic test module name, test class '
        'name, or test method name '
        '(e.g. test_event.EventTestCase.test_clock_value)',
        type=str,
    )

    args = argparser.parse_args()

    loader = unittest.TestLoader()

    start_dir = args.start_dir
    pattern = args.pattern
    failfast = args.failfast
    test_case = args.test_case

    if test_case:
        sys.path.append(start_dir)
        tests = loader.loadTestsFromName(test_case)
    elif pattern:
        tests = loader.discover(start_dir, pattern)
    else:
        # This will never happen because the mutual exclusion group has the
        # `required` parameter set to True. So one or the other must be set or
        # else it will fail to parse.
        sys.exit(1)

    if tests.countTestCases() < 1:
        print("No tests matching '%s' found in '%s'" % (pattern, start_dir))
        sys.exit(1)

    runner = TAPTestRunner(failfast=failfast)
    runner.set_stream(True)
    runner.set_format('{method_name}')
    sys.exit(0 if runner.run(tests).wasSuccessful() else 1)