#
# Copyright (C) 2020 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 os
import logging
import ltp_configs
import ltp_enums
import test_case
from configs import stable_tests
from configs import disabled_tests
from common import filter_utils
ltp_test_template = ' '
class LtpTestCases(object):
"""Load a ltp vts testcase definition file and parse it into a generator.
Attributes:
_data_path: string, the vts data path on host side
_filter_func: function, a filter method that will emit exception if a test is filtered
_ltp_tests_filter: list of string, filter for tests that are stable and disabled
_ltp_binaries: list of string, All ltp binaries that generate in build time
_ltp_config_lines: list of string: the context of the generated config
"""
def __init__(self, android_build_top, filter_func):
self._android_build_top = android_build_top
self._filter_func = filter_func
self._ltp_tests_filter = filter_utils.Filter(
[ i[0] for i in stable_tests.STABLE_TESTS ],
disabled_tests.DISABLED_TESTS,
enable_regex=True)
self._ltp_tests_filter.ExpandBitness()
self._ltp_binaries = []
self._ltp_config_lines = []
def ValidateDefinition(self, line):
"""Validate a tab delimited test case definition.
Will check whether the given line of definition has three parts
separated by tabs.
It will also trim leading and ending white spaces for each part
in returned tuple (if valid).
Returns:
A tuple in format (test suite, test name, test command) if
definition is valid. None otherwise.
"""
items = [
item.strip()
for item in line.split(ltp_enums.Delimiters.TESTCASE_DEFINITION)
]
if not len(items) == 3 or not items:
return None
else:
return items
def ReadConfigTemplateFile(self):
"""Read the template of the config file and return the context.
Returns:
String.
"""
file_name = ltp_configs.LTP_CONFIG_TEMPLATE_FILE_NAME
file_path = os.path.join(self._android_build_top, ltp_configs.LTP_CONFIG_TEMPLATE_DIR, file_name)
with open(file_path, 'r') as f:
return f.read()
def GetKernelModuleControllerOption(self, arch, n_bit, is_low_mem=False, is_hwasan=False):
"""Get the Option of KernelModuleController.
Args:
arch: String, arch
n_bit: int, bitness
run_staging: bool, whether to use staging configuration
is_low_mem: bool, whether to use low memory device configuration
Returns:
String.
"""
arch_template = ' \n'
is_low_mem_template = ' \n'
is_hwasan_template = ' '
option_lines = arch_template + is_low_mem_template + is_hwasan_template
if n_bit == '64':
n_bit_string = str(n_bit) if arch == 'arm' else ('_'+str(n_bit))
else:
n_bit_string = ''
arch_name = arch + n_bit_string
is_low_mem = 'true' if is_low_mem else 'false'
is_hwasan = 'true' if is_hwasan else 'false'
option_lines = option_lines.format(arch_name,
str(is_low_mem).lower(),
str(is_hwasan).lower())
return option_lines
def GetLtpBinaries(self):
"""Check the binary exist in the command.
Args:
command: String, the test command
Returns:
bool: True if the binary in the gen.bp
"""
gen_bp_path = os.path.join(self._android_build_top, ltp_configs.LTP_GEN_BINARY_BP)
for line in open(gen_bp_path, 'r'):
line = line.strip()
if not line or line.startswith('#'):
continue
if line.startswith("stem:") or line.startswith('filename:'):
ltp_binary = line.split('"')[1]
self._ltp_binaries.append(ltp_binary)
def IsLtpBinaryExist(self, commands):
"""Check the binary exist in the command.
Args:
command: String, the test command
Returns:
bool: True if the binary in the gen.bp
"""
all_commands = commands.split(';')
for cmd in all_commands:
cmd = cmd.strip()
binary_name = cmd.split(' ')[0]
if binary_name in self._ltp_binaries:
return True
logging.info("Ltp binary not exist in cmd of '%s'", commands)
return False
def GenConfig(self,
arch,
n_bit,
test_filter,
output_file,
run_staging=False,
is_low_mem=False,
is_hwasan=False):
"""Read the definition file and generate the test config.
Args:
arch: String, arch
n_bit: int, bitness
test_filter: Filter object, test name filter from base_test
output_file: String, the file path of the generating config
run_staging: bool, whether to use staging configuration
is_low_mem: bool, whether to use low memory device configuration
"""
self.GetLtpBinaries()
scenario_groups = (ltp_configs.TEST_SUITES_LOW_MEM
if is_low_mem else ltp_configs.TEST_SUITES)
logging.info('LTP scenario groups: %s', scenario_groups)
start_append_test_keyword = 'option name="per-binary-timeout"'
config_lines = self.ReadConfigTemplateFile()
module_controller_option = self.GetKernelModuleControllerOption(arch, n_bit,
is_low_mem,
is_hwasan)
test_case_string = ''
run_scritp = self.GenerateLtpRunScript(scenario_groups, is_hwasan=is_hwasan)
for line in run_scritp:
items = self.ValidateDefinition(line)
if not items:
continue
testsuite, testname, command = items
if is_low_mem and testsuite.endswith(
ltp_configs.LOW_MEMORY_SCENARIO_GROUP_SUFFIX):
testsuite = testsuite[:-len(
ltp_configs.LOW_MEMORY_SCENARIO_GROUP_SUFFIX)]
# Tests failed to build will have prefix "DISABLED_"
if testname.startswith("DISABLED_"):
logging.info("[Parser] Skipping test case {}-{}. Reason: "
"not built".format(testsuite, testname))
continue
# Some test cases have hardcoded "/tmp" in the command
# we replace that with ltp_configs.TMPDIR
command = command.replace('/tmp', ltp_configs.TMPDIR)
testcase = test_case.TestCase(
testsuite=testsuite, testname=testname, command=command)
test_display_name = "{}_{}bit".format(str(testcase), n_bit)
# Check runner's base_test filtering method
try:
self._filter_func(test_display_name)
except:
logging.info("[Parser] Skipping test case %s. Reason: "
"filtered" % testcase.fullname)
testcase.is_filtered = True
testcase.note = "filtered"
logging.info('ltp_test_cases Load(): test_display_name = %s\n'
'cmd = %s', test_display_name, command)
# For skipping tests that are not designed or ready for Android,
# check for bit specific test in disabled list as well as non-bit specific
if ((self._ltp_tests_filter.IsInExcludeFilter(str(testcase)) or
self._ltp_tests_filter.IsInExcludeFilter(test_display_name)) and
not test_filter.IsInIncludeFilter(test_display_name)):
logging.info("[Parser] Skipping test case %s. Reason: "
"disabled" % testcase.fullname)
continue
# For separating staging tests from stable tests
if not self._ltp_tests_filter.IsInIncludeFilter(test_display_name):
if not run_staging and not test_filter.IsInIncludeFilter(
test_display_name):
# Skip staging tests in stable run
continue
else:
testcase.is_staging = True
testcase.note = "staging"
else:
if run_staging:
# Skip stable tests in staging run
continue
if not testcase.is_staging:
for x in stable_tests.STABLE_TESTS:
if x[0] == test_display_name and x[1]:
testcase.is_mandatory = True
break
if self.IsLtpBinaryExist(command):
logging.info("[Parser] Adding test case %s." % testcase.fullname)
# Some test cases contain semicolons in their commands,
# and we replace them with &&
command = command.replace(';', '&&')
# Replace the original command with '/data/local/tmp/ltp'
# e.g. mm.mmapstress07
command = command.replace(ltp_configs.LTPDIR, '<p_dir;')
ltp_test_line = ltp_test_template % (test_display_name, command)
test_case_string += (ltp_test_line + '\n')
nativetest_bit_path = '64' if n_bit == '64' else ''
config_lines = config_lines.format(nativetest_bit_path, module_controller_option,
test_case_string)
with open(output_file, 'w') as f:
f.write(config_lines)
def ReadCommentedTxt(self, filepath):
'''Read a lines of a file that are not commented by #.
Args:
filepath: string, path of file to read
Returns:
A set of string representing non-commented lines in given file
'''
if not filepath:
logging.error('Invalid file path')
return None
with open(filepath, 'r') as f:
lines_gen = (line.strip() for line in f)
return set(
line for line in lines_gen
if line and not line.startswith('#'))
def GenerateLtpTestCases(self, testsuite, disabled_tests_list):
'''Generate test cases for each ltp test suite.
Args:
testsuite: string, test suite name
Returns:
A list of string
'''
testsuite_script = os.path.join(self._android_build_top,
ltp_configs.LTP_RUNTEST_DIR, testsuite)
result = []
for line in open(testsuite_script, 'r'):
line = line.strip()
if not line or line.startswith('#'):
continue
testname = line.split()[0]
testname_prefix = ('DISABLED_'
if testname in disabled_tests_list else '')
testname_modified = testname_prefix + testname
result.append("\t".join(
[testsuite, testname_modified, line[len(testname):].strip()]))
return result
def GenerateLtpRunScript(self, scenario_groups, is_hwasan=False):
'''Given a scenario group generate test case script.
Args:
scenario_groups: list of string, name of test scenario groups to use
Returns:
A list of string
'''
disabled_tests_path = os.path.join(
self._android_build_top, ltp_configs.LTP_DISABLED_BUILD_TESTS_CONFIG_PATH)
disabled_tests_list = self.ReadCommentedTxt(disabled_tests_path)
if is_hwasan:
disabled_tests_list = disabled_tests_list.union(disabled_tests.DISABLED_TESTS_HWASAN)
result = []
for testsuite in scenario_groups:
result.extend(
self.GenerateLtpTestCases(testsuite, disabled_tests_list))
return result