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231 lines
8.5 KiB
231 lines
8.5 KiB
#
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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 os
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import logging
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import itertools
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from vts.runners.host import const
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from vts.testcases.kernel.ltp import ltp_configs
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from vts.testcases.kernel.ltp import ltp_enums
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from vts.testcases.kernel.ltp import test_case
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from vts.testcases.kernel.ltp.configs import stable_tests
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from vts.testcases.kernel.ltp.configs import disabled_tests
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from vts.utils.python.common import filter_utils
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class TestCasesParser(object):
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"""Load a ltp vts testcase definition file and parse it into a generator.
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Attributes:
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_data_path: string, the vts data path on host side
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_filter_func: function, a filter method that will emit exception if a test is filtered
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_ltp_tests_filter: list of string, filter for tests that are stable and disabled
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"""
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def __init__(self, data_path, filter_func):
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self._data_path = data_path
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self._filter_func = filter_func
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self._ltp_tests_filter = filter_utils.Filter(
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[ i[0] for i in stable_tests.STABLE_TESTS ],
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disabled_tests.DISABLED_TESTS,
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enable_regex=True)
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self._ltp_tests_filter.ExpandBitness()
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def ValidateDefinition(self, line):
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"""Validate a tab delimited test case definition.
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Will check whether the given line of definition has three parts
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separated by tabs.
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It will also trim leading and ending white spaces for each part
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in returned tuple (if valid).
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Returns:
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A tuple in format (test suite, test name, test command) if
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definition is valid. None otherwise.
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"""
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items = [
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item.strip()
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for item in line.split(ltp_enums.Delimiters.TESTCASE_DEFINITION)
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]
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if not len(items) == 3 or not items:
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return None
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else:
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return items
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def Load(self,
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ltp_dir,
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n_bit,
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test_filter,
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run_staging=False,
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is_low_mem=False,
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is_hwasan=False):
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"""Read the definition file and yields a TestCase generator.
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Args:
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ltp_dir: string, directory that contains ltp binaries and scripts
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n_bit: int, bitness
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test_filter: Filter object, test name filter from base_test
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run_staging: bool, whether to use staging configuration
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is_low_mem: bool, whether to use low memory device configuration
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"""
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scenario_groups = (ltp_configs.TEST_SUITES_LOW_MEM
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if is_low_mem else ltp_configs.TEST_SUITES)
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logging.info('LTP scenario groups: %s', scenario_groups)
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run_scritp = self.GenerateLtpRunScript(scenario_groups, is_hwasan=is_hwasan)
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for line in run_scritp:
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items = self.ValidateDefinition(line)
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if not items:
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continue
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testsuite, testname, command = items
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if is_low_mem and testsuite.endswith(
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ltp_configs.LOW_MEMORY_SCENARIO_GROUP_SUFFIX):
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testsuite = testsuite[:-len(
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ltp_configs.LOW_MEMORY_SCENARIO_GROUP_SUFFIX)]
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# Tests failed to build will have prefix "DISABLED_"
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if testname.startswith("DISABLED_"):
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logging.info("[Parser] Skipping test case {}-{}. Reason: "
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"not built".format(testsuite, testname))
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continue
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# Some test cases contain semicolons in their commands,
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# and we replace them with &&
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command = command.replace(';', '&&')
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# Some test cases have hardcoded "/tmp" in the command
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# we replace that with ltp_configs.TMPDIR
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command = command.replace('/tmp', ltp_configs.TMPDIR)
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testcase = test_case.TestCase(
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testsuite=testsuite, testname=testname, command=command)
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test_display_name = "{}_{}bit".format(str(testcase), n_bit)
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# Check runner's base_test filtering method
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try:
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self._filter_func(test_display_name)
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except:
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logging.info("[Parser] Skipping test case %s. Reason: "
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"filtered" % testcase.fullname)
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testcase.is_filtered = True
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testcase.note = "filtered"
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# For skipping tests that are not designed or ready for Android,
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# check for bit specific test in disabled list as well as non-bit specific
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if ((self._ltp_tests_filter.IsInExcludeFilter(str(testcase)) or
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self._ltp_tests_filter.IsInExcludeFilter(test_display_name)) and
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not test_filter.IsInIncludeFilter(test_display_name)):
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logging.info("[Parser] Skipping test case %s. Reason: "
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"disabled" % testcase.fullname)
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continue
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# For separating staging tests from stable tests
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if not self._ltp_tests_filter.IsInIncludeFilter(test_display_name):
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if not run_staging and not test_filter.IsInIncludeFilter(
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test_display_name):
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# Skip staging tests in stable run
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continue
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else:
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testcase.is_staging = True
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testcase.note = "staging"
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else:
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if run_staging:
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# Skip stable tests in staging run
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continue
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if not testcase.is_staging:
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for x in stable_tests.STABLE_TESTS:
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if x[0] == test_display_name and x[1]:
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testcase.is_mandatory = True
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break
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logging.info("[Parser] Adding test case %s." % testcase.fullname)
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yield testcase
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def ReadCommentedTxt(self, filepath):
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'''Read a lines of a file that are not commented by #.
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Args:
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filepath: string, path of file to read
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Returns:
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A set of string representing non-commented lines in given file
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'''
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if not filepath:
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logging.error('Invalid file path')
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return None
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with open(filepath, 'r') as f:
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lines_gen = (line.strip() for line in f)
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return set(
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line for line in lines_gen
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if line and not line.startswith('#'))
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def GenerateLtpTestCases(self, testsuite, disabled_tests_list):
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'''Generate test cases for each ltp test suite.
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Args:
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testsuite: string, test suite name
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Returns:
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A list of string
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'''
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testsuite_script = os.path.join(self._data_path,
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ltp_configs.LTP_RUNTEST_DIR, testsuite)
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result = []
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for line in open(testsuite_script, 'r'):
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line = line.strip()
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if not line or line.startswith('#'):
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continue
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testname = line.split()[0]
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testname_prefix = ('DISABLED_'
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if testname in disabled_tests_list else '')
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testname_modified = testname_prefix + testname
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result.append("\t".join(
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[testsuite, testname_modified, line[len(testname):].strip()]))
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return result
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def GenerateLtpRunScript(self, scenario_groups, is_hwasan=False):
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'''Given a scenario group generate test case script.
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Args:
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scenario_groups: list of string, name of test scenario groups to use
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Returns:
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A list of string
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'''
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disabled_tests_path = os.path.join(
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self._data_path, ltp_configs.LTP_DISABLED_BUILD_TESTS_CONFIG_PATH)
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disabled_tests_list = self.ReadCommentedTxt(disabled_tests_path)
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if is_hwasan:
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disabled_tests_list = disabled_tests_list.union(disabled_tests.DISABLED_TESTS_HWASAN)
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result = []
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for testsuite in scenario_groups:
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result.extend(
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self.GenerateLtpTestCases(testsuite, disabled_tests_list))
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#TODO(yuexima): remove duplicate
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return result
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