# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import logging
import os
from autotest_lib.client.bin import utils
from autotest_lib.client.common_lib import error
from autotest_lib.client.cros import chrome_binary_test
from autotest_lib.client.cros.video import helper_logger

class video_VideoDecodeAccelerator(chrome_binary_test.ChromeBinaryTest):
    """
    This test is a wrapper of the chrome unittest binary:
    video_decode_accelerator_unittest.
    """

    version = 1
    binary = 'video_decode_accelerator_unittest'

    @helper_logger.video_log_wrapper
    @chrome_binary_test.nuke_chrome
    def run_once(self, videos, use_cr_source_dir=True, gtest_filter=None):
        """
        Runs video_decode_accelerator_unittest on the videos.

        @param videos: The test videos for video_decode_accelerator_unittest.
        @param use_cr_source_dir:  Videos are under chrome source directory.
        @param gtest_filter: test case filter.

        @raises: error.TestFail for video_decode_accelerator_unittest failures.
        """
        logging.debug('Starting video_VideoDecodeAccelerator: %s', videos)

        if use_cr_source_dir:
            path = os.path.join(self.cr_source_dir, 'media', 'test', 'data', '')
        else:
            path = ''

        last_test_failure = None
        for video in videos:
            cmd_line_list = ['--test_video_data="%s%s"' % (path, video)]

            # While thumbnail test fails, write thumbnail image to results
            # directory so that it will be accessible to host and packed
            # along with test logs.
            cmd_line_list.append(
                '--thumbnail_output_dir="%s"' % self.resultsdir)
            cmd_line_list.append(helper_logger.chrome_vmodule_flag())
            cmd_line_list.append('--ozone-platform=gbm')

            if gtest_filter:
                cmd_line_list.append('--gtest_filter="%s"' % gtest_filter)

            cmd_line = ' '.join(cmd_line_list)
            try:
                self.run_chrome_test_binary(self.binary, cmd_line)
            except error.TestFail as test_failure:
                # Continue to run the remaining test videos and raise
                # the last failure after finishing all videos.
                logging.error('%s: %s', video, test_failure.message)
                last_test_failure = test_failure

        if last_test_failure:
            raise last_test_failure