302 lines
8.9 KiB
Python
302 lines
8.9 KiB
Python
from __future__ import print_function
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import os
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import subprocess
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import sys
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from lib.util import SRC_DIR
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PYYAML_LIB_DIR = os.path.join(SRC_DIR, 'third_party', 'pyyaml', 'lib')
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sys.path.append(PYYAML_LIB_DIR)
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import yaml #pylint: disable=wrong-import-position,wrong-import-order
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try:
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basestring # Python 2
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except NameError: # Python 3
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basestring = str # pylint: disable=redefined-builtin
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class Verbosity:
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CHATTY = 'chatty' # stdout and stderr
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ERRORS = 'errors' # stderr only
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SILENT = 'silent' # no output
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@staticmethod
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def get_all():
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return Verbosity.__get_all_in_order()
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@staticmethod
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def __get_all_in_order():
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return [Verbosity.SILENT, Verbosity.ERRORS, Verbosity.CHATTY]
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@staticmethod
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def __get_indices(*values):
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ordered = Verbosity.__get_all_in_order()
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indices = map(ordered.index, values)
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return indices
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@staticmethod
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def ge(a, b):
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"""Greater or equal"""
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a_index, b_index = Verbosity.__get_indices(a, b)
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return a_index >= b_index
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@staticmethod
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def le(a, b):
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"""Less or equal"""
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a_index, b_index = Verbosity.__get_indices(a, b)
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return a_index <= b_index
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class DisabledTestsPolicy:
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DISABLE = 'disable' # Disabled tests are disabled. Wow. Much sense.
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ONLY = 'only' # Only disabled tests should be run.
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INCLUDE = 'include' # Do not disable any tests.
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class Platform:
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LINUX = 'linux'
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MAC = 'mac'
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WINDOWS = 'windows'
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@staticmethod
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def get_current():
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platform = sys.platform
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if platform in ('linux', 'linux2'):
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return Platform.LINUX
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if platform == 'darwin':
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return Platform.MAC
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if platform in ('cygwin', 'win32'):
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return Platform.WINDOWS
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raise AssertionError(
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"unexpected current platform '{}'".format(platform))
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@staticmethod
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def get_all():
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return [Platform.LINUX, Platform.MAC, Platform.WINDOWS]
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@staticmethod
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def is_valid(platform):
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return platform in Platform.get_all()
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class TestsList():
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def __init__(self, config_path, tests_dir):
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self.config_path = config_path
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self.tests_dir = tests_dir
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# A dict with binary names (e.g. 'base_unittests') as keys
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# and various test data as values of dict type.
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self.tests = TestsList.__get_tests_list(config_path)
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def __len__(self):
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return len(self.tests)
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def get_for_current_platform(self):
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all_binaries = self.tests.keys()
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supported_binaries = filter(self.__platform_supports, all_binaries)
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return supported_binaries
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def run(self, binaries, output_dir=None, verbosity=Verbosity.CHATTY,
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disabled_tests_policy=DisabledTestsPolicy.DISABLE):
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# Don't run anything twice.
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binaries = set(binaries)
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# First check that all names are present in the config.
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for binary_name in binaries:
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if binary_name not in self.tests:
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raise Exception("binary {0} not found in config '{1}'".format(
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binary_name, self.config_path))
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# Respect the "platform" setting.
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for binary_name in binaries:
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if not self.__platform_supports(binary_name):
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raise Exception(
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"binary {0} cannot be run on {1}, check the config".format(
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binary_name, Platform.get_current()))
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suite_returncode = sum(
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[self.__run(binary, output_dir, verbosity, disabled_tests_policy)
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for binary in binaries])
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return suite_returncode
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def run_all(self, output_dir=None, verbosity=Verbosity.CHATTY,
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disabled_tests_policy=DisabledTestsPolicy.DISABLE):
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return self.run(self.get_for_current_platform(), output_dir, verbosity,
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disabled_tests_policy)
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@staticmethod
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def __get_tests_list(config_path):
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tests_list = {}
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config_data = TestsList.__get_config_data(config_path)
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for data_item in config_data['tests']:
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(binary_name, test_data) = TestsList.__get_test_data(data_item)
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tests_list[binary_name] = test_data
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return tests_list
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@staticmethod
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def __get_config_data(config_path):
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with open(config_path, 'r') as stream:
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return yaml.load(stream)
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@staticmethod
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def __expand_shorthand(value):
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""" Treat a string as {'string_value': None}."""
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if isinstance(value, dict):
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return value
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if isinstance(value, basestring):
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return {value: None}
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raise AssertionError("unexpected shorthand type: {}".format(type(value)))
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@staticmethod
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def __make_a_list(value):
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"""Make a list if not already a list."""
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if isinstance(value, list):
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return value
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return [value]
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@staticmethod
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def __merge_nested_lists(value):
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"""Converts a dict of lists to a list."""
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if isinstance(value, list):
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return value
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if isinstance(value, dict):
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# It looks ugly as hell, but it does the job.
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return [list_item for key in value for list_item in value[key]]
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raise AssertionError(
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"unexpected type for list merging: {}".format(type(value)))
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def __platform_supports(self, binary_name):
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return Platform.get_current() in self.tests[binary_name]['platforms']
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@staticmethod
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def __get_test_data(data_item):
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data_item = TestsList.__expand_shorthand(data_item)
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binary_name = data_item.keys()[0]
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test_data = {
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'excluded_tests': [],
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'platforms': Platform.get_all()
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}
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configs = data_item[binary_name]
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if configs is not None:
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# List of excluded tests.
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if 'disabled' in configs:
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excluded_tests = TestsList.__merge_nested_lists(configs['disabled'])
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test_data['excluded_tests'] = excluded_tests
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# List of platforms to run the tests on.
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if 'platform' in configs:
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platforms = TestsList.__make_a_list(configs['platform'])
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for platform in platforms:
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assert Platform.is_valid(platform), \
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"platform '{0}' is not supported, check {1} config" \
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.format(platform, binary_name)
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test_data['platforms'] = platforms
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return (binary_name, test_data)
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def __run(self, binary_name, output_dir, verbosity,
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disabled_tests_policy):
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binary_path = os.path.join(self.tests_dir, binary_name)
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test_binary = TestBinary(binary_path)
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test_data = self.tests[binary_name]
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included_tests = []
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excluded_tests = test_data['excluded_tests']
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if disabled_tests_policy == DisabledTestsPolicy.ONLY:
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if len(excluded_tests) == 0:
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# There is nothing to run.
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return 0
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included_tests, excluded_tests = excluded_tests, included_tests
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if disabled_tests_policy == DisabledTestsPolicy.INCLUDE:
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excluded_tests = []
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output_file_path = TestsList.__get_output_path(binary_name, output_dir)
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return test_binary.run(included_tests=included_tests,
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excluded_tests=excluded_tests,
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output_file_path=output_file_path,
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verbosity=verbosity)
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@staticmethod
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def __get_output_path(binary_name, output_dir=None):
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if output_dir is None:
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return None
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return os.path.join(output_dir, "results_{}.xml".format(binary_name))
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class TestBinary():
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# Is only used when writing to a file.
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output_format = 'xml'
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def __init__(self, binary_path):
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self.binary_path = binary_path
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def run(self, included_tests=None, excluded_tests=None,
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output_file_path=None, verbosity=Verbosity.CHATTY):
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gtest_filter = TestBinary.__get_gtest_filter(included_tests,
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excluded_tests)
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gtest_output = TestBinary.__get_gtest_output(output_file_path)
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args = [self.binary_path, gtest_filter, gtest_output]
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stdout, stderr = TestBinary.__get_stdout_and_stderr(verbosity)
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returncode = 0
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try:
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returncode = subprocess.call(args, stdout=stdout, stderr=stderr)
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except Exception as exception:
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if Verbosity.ge(verbosity, Verbosity.ERRORS):
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print("An error occurred while running '{}':".format(self.binary_path),
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'\n', exception, file=sys.stderr)
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returncode = 1
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return returncode
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@staticmethod
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def __get_gtest_filter(included_tests, excluded_tests):
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included_tests_string = TestBinary.__list_tests(included_tests)
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excluded_tests_string = TestBinary.__list_tests(excluded_tests)
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gtest_filter = "--gtest_filter={}-{}".format(included_tests_string,
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excluded_tests_string)
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return gtest_filter
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@staticmethod
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def __get_gtest_output(output_file_path):
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gtest_output = ""
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if output_file_path is not None:
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gtest_output = "--gtest_output={0}:{1}".format(TestBinary.output_format,
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output_file_path)
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return gtest_output
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@staticmethod
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def __list_tests(tests):
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if tests is None:
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return ''
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return ':'.join(tests)
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@staticmethod
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def __get_stdout_and_stderr(verbosity):
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stdout = stderr = None
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if Verbosity.le(verbosity, Verbosity.ERRORS):
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devnull = open(os.devnull, 'w')
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stdout = devnull
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if verbosity == Verbosity.SILENT:
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stderr = devnull
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return (stdout, stderr)
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