src/compiler/glsl/tests/warnings_test.py

# encoding=utf-8
# Copyright © 2017 Intel Corporation

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from __future__ import print_function
import argparse
import os
import subprocess


def arg_parser():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        '--glsl-compiler',
        required=True,
        help='Path to the standalone glsl compiler')
    parser.add_argument(
        '--test-directory',
        required=True,
        help='Directory containing tests to run.')
    return parser.parse_args()


def main():
    args = arg_parser()
    files = [f for f in os.listdir(args.test_directory) if f.endswith('.vert')]
    passed = 0

    if not files:
        print('Could not find any tests')
        exit(1)

    print('====== Testing compilation output ======')
    for file in files:
        print('Testing {} ...'.format(file), end='')
        file = os.path.join(args.test_directory, file)

        with open('{}.expected'.format(file), 'rb') as f:
            expected = f.read().strip()

        actual = subprocess.check_output(
            [args.glsl_compiler, '--just-log', '--version', '150', file]
        ).strip()

        if actual == expected:
            print('PASS')
            passed += 1
        else:
            print('FAIL')

    print('{}/{} tests returned correct results'.format(passed, len(files)))
    exit(0 if passed == len(files) else 1)


if __name__ == '__main__':
    main()