#!/usr/bin/env python
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#
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# Copyright (C) 2016 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import logging
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from vts.runners.host import asserts
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from vts.runners.host import base_test
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from vts.runners.host import const
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from vts.runners.host import keys
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from vts.runners.host import test_runner
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from vts.utils.python.controllers import android_device
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from vts.utils.python.os import path_utils
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from vts.testcases.kernel.linux_kselftest import kselftest_config as config
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class LinuxKselftestTest(base_test.BaseTestClass):
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"""Runs Linux Kselftest test cases against Android OS kernel.
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Attributes:
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_dut: AndroidDevice, the device under test as config
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_shell: ShellMirrorObject, shell mirror
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_testcases: string list, list of testcases to run
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"""
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_32BIT = 32
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_64BIT = 64
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def setUpClass(self):
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"""Creates a remote shell instance, and copies data files."""
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required_params = [
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keys.ConfigKeys.IKEY_DATA_FILE_PATH,
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config.ConfigKeys.TEST_TYPE
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]
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self.getUserParams(required_params)
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logging.info("%s: %s", keys.ConfigKeys.IKEY_DATA_FILE_PATH,
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self.data_file_path)
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self._dut = self.android_devices[0]
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self._shell = self._dut.shell
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if self.test_type == "presubmit":
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self._testcases = config.KSFT_CASES_PRESUBMIT
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elif self.test_type == "stable":
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self._testcases = config.KSFT_CASES_STABLE
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elif self.test_type == "staging":
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self._testcases = config.KSFT_CASES_STAGING
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else:
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asserts.fail("Test config is incorrect!")
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def tearDownClass(self):
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"""Deletes all copied data."""
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self._shell.Execute("rm -rf %s" % config.KSFT_DIR)
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def PushFiles(self, n_bit):
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"""adb pushes related file to target.
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Args:
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n_bit: _32BIT or 32 for 32-bit tests;
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_64BIT or 64 for 64-bit tests;
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"""
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self._shell.Execute("mkdir %s -p" % config.KSFT_DIR)
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test_bit = 'nativetest'
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if n_bit == self._64BIT:
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test_bit += '64'
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self._dut.adb.push("%s/DATA/%s/linux-kselftest/. %s" %
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(self.data_file_path, test_bit, config.KSFT_DIR))
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def PreTestSetup(self):
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"""Sets up test before running."""
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# This sed command makes shell scripts compatible wiht android shell.
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sed_pattern = [
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's?/bin/echo?echo?',
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's?#!/bin/sh?#!/system/bin/sh?',
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's?#!/bin/bash?#!/system/bin/sh?'
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]
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sed_cmd = 'sed %s' % ' '.join(
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['-i -e ' + ('"%s"' % p) for p in sed_pattern])
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# This grep command is used to identify shell scripts.
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grep_pattern = [
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'bin/sh',
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'bin/bash'
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]
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grep_cmd = 'grep -l %s' % ' '.join(
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['-e ' + ('"%s"' % p) for p in grep_pattern])
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# This applies sed_cmd to every shell script.
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cmd = 'find %s -type f | xargs %s | xargs %s' % (
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config.KSFT_DIR, grep_cmd, sed_cmd)
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result = self._shell.Execute(cmd)
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asserts.assertFalse(
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any(result[const.EXIT_CODE]),
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"Error: pre-test setup failed.")
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def RunTestcase(self, testcase):
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"""Runs the given testcase and asserts the result.
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Args:
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testcase: a LinuxKselftestTestcase object, specifies which
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test case to run.
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"""
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if not testcase:
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asserts.skip("Test is not supported on this abi.")
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chmod_cmd = "chmod -R 755 %s" % path_utils.JoinTargetPath(
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config.KSFT_DIR, testcase.testsuite)
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cd_cmd = "cd %s" % path_utils.JoinTargetPath(
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config.KSFT_DIR, testcase.testsuite)
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cmd = [
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chmod_cmd,
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"%s && %s" % (cd_cmd, testcase.test_cmd)
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]
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logging.info("Executing: %s", cmd)
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result = self._shell.Execute(cmd)
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logging.info("EXIT_CODE: %s:", result[const.EXIT_CODE])
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asserts.assertFalse(
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any(result[const.EXIT_CODE]),
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"%s failed." % testcase.testname)
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def TestNBits(self, n_bit):
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"""Runs all 32-bit or all 64-bit tests.
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Args:
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n_bit: _32BIT or 32 for 32-bit tests;
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_64BIT or 64 for 64-bit tests;
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"""
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self.PushFiles(n_bit)
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self.PreTestSetup()
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cpu_abi = self._dut.cpu_abi
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relevant_testcases = filter(
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lambda x: x.IsRelevant(cpu_abi, n_bit),
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self._testcases)
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self.runGeneratedTests(
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test_func=self.RunTestcase,
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settings=relevant_testcases,
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name_func=lambda testcase: "%s_%sbit" % (
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testcase.testname.replace('/','_'), n_bit))
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def generate32BitTests(self):
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"""Runs all 32-bit tests."""
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self.TestNBits(self._32BIT)
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def generate64BitTests(self):
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"""Runs all 64-bit tests."""
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if self._dut.is64Bit:
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self.TestNBits(self._64BIT)
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if __name__ == "__main__":
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test_runner.main()
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