| # |
| # 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.runners.host import const |
| from vts.testcases.kernel.api.proc import KernelProcFileTestBase |
| from vts.testcases.kernel.api.proc.KernelProcFileTestBase import repeat_rule, literal_token |
| |
| |
| class ProcDiskstatsTest(KernelProcFileTestBase.KernelProcFileTestBase): |
| '''/proc/diskstats displays I/O statistics of block devices.''' |
| |
| t_ignore = ' ' |
| start = 'lines' |
| p_lines = repeat_rule('line') |
| |
| def p_line(self, p): |
| '''line : NUMBER NUMBER STRING NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NEWLINE''' |
| p[0] = p[1:] |
| |
| def get_path(self): |
| return "/proc/diskstats" |
| |
| class ProcMountsTest(KernelProcFileTestBase.KernelProcFileTestBase): |
| '''/proc/self/mounts lists the mounted filesystems. |
| |
| /proc/mounts must symlink to this file.''' |
| |
| def parse_contents(self, contents): |
| if len(contents) == 0 or contents[-1] != '\n': |
| raise SyntaxError('Missing final newline') |
| result = [] |
| for line in contents.split('\n')[:-1]: |
| parsed = line.split(' ') |
| parsed[3] = parsed[3].split(',') |
| result.append(parsed) |
| return result |
| |
| def result_correct(self, parse_results): |
| for line in parse_results: |
| if len(line[3]) < 1 or line[3][0] not in {'rw', 'ro'}: |
| logging.error("First attribute must be rw or ro") |
| return False |
| if line[4] != '0' or line[5] != '0': |
| logging.error("Last 2 columns must be 0") |
| return False |
| return True |
| |
| def prepare_test(self, shell, dut): |
| # Follow the symlink |
| results = shell.Execute('readlink /proc/mounts') |
| if results[const.EXIT_CODE][0] != 0: |
| return False |
| return results[const.STDOUT][0] == 'self/mounts\n' |
| |
| def get_path(self): |
| return "/proc/self/mounts" |
| |
| class ProcFilesystemsTest(KernelProcFileTestBase.KernelProcFileTestBase): |
| '''/proc/filesystems lists filesystems currently supported by kernel.''' |
| |
| def parse_contents(self, contents): |
| if len(contents) == 0 or contents[-1] != '\n': |
| raise SyntaxError('Missing final newline') |
| |
| result = [] |
| for line in contents.split('\n')[:-1]: |
| parsed = line.split('\t') |
| num_columns = len(parsed) |
| if num_columns != 2: |
| raise SyntaxError('Wrong number of columns.') |
| result.append(parsed) |
| return result |
| |
| def get_path(self): |
| return "/proc/filesystems" |
| |
| class ProcSwapsTest(KernelProcFileTestBase.KernelProcFileTestBase): |
| '''/proc/swaps measures swap space utilization.''' |
| |
| REQUIRED_COLUMNS = { |
| 'Filename', |
| 'Type', |
| 'Size', |
| 'Used', |
| 'Priority' |
| } |
| |
| def parse_contents(self, contents): |
| if len(contents) == 0 or contents[-1] != '\n': |
| raise SyntaxError('Missing final newline') |
| return map(lambda x: x.split(), contents.split('\n')[:-1]) |
| |
| def result_correct(self, result): |
| return self.REQUIRED_COLUMNS.issubset(result[0]) |
| |
| def get_path(self): |
| return "/proc/swaps" |
| |
| def file_optional(self, shell=None, dut=None): |
| # It is not mandatory to have this file present |
| return True |