| # |
| # Copyright (C) 2017 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| import logging |
| from vts.testcases.kernel.api.proc import KernelProcFileTestBase |
| from vts.testcases.kernel.api.proc.KernelProcFileTestBase import repeat_rule, literal_token |
| |
| |
| class ProcAsoundCardsTest(KernelProcFileTestBase.KernelProcFileTestBase): |
| '''/proc/asound/cards shows the list of currently configured ALSA drivers. |
| |
| List entries include index, the id string, short and long descriptions.''' |
| |
| t_LBRACKET = literal_token(r'\[') |
| t_RBRACKET = literal_token(r'\]') |
| |
| t_NO = literal_token(r'no') |
| t_SOUNDCARDS = literal_token(r'soundcards') |
| |
| t_ignore = ' ' |
| |
| start = 'soundcards' |
| |
| def p_soundcards(self, p): |
| '''soundcards : DASH DASH DASH NO SOUNDCARDS DASH DASH DASH NEWLINE |
| | drivers''' |
| p[0] = [p[4], p[5]] if len(p) == 10 else p[1] |
| |
| p_drivers = repeat_rule('driver') |
| |
| def p_driver(self, p): |
| 'driver : NUMBER id COLON STRING DASH description NEWLINE description NEWLINE' |
| p[0] = [p[1], p[2], p[4], p[6], p[8]] |
| |
| def p_description(self, p): |
| '''description : description word |
| | word''' |
| p[0] = [p[1]] if len(p) == 2 else p[1] + [p[2]] |
| |
| def p_word(self, p): |
| '''word : NUMBER |
| | STRING |
| | COMMA |
| | PERIOD |
| | FLOAT |
| | DASH |
| | HEX_LITERAL''' |
| p[0] = p[1] |
| |
| def p_id(self, p): |
| 'id : LBRACKET STRING RBRACKET' |
| p[0] = p[2] |
| |
| def get_path(self): |
| return "/proc/asound/cards" |