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# Copyright 2019, 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.
"""
Cache Finder class.
"""
import logging
import atest_utils
import constants
from test_finders import test_finder_base
from test_finders import test_info
class CacheFinder(test_finder_base.TestFinderBase):
"""Cache Finder class."""
NAME = 'CACHE'
def __init__(self, module_info=None):
super().__init__()
self.module_info = module_info
def _is_latest_testinfos(self, test_infos):
"""Check whether test_infos are up-to-date.
Args:
test_infos: A list of TestInfo.
Returns:
True if all keys in test_infos and TestInfo object are equal.
Otherwise, False.
"""
sorted_base_ti = sorted(
vars(test_info.TestInfo(None, None, None)).keys())
for cached_test_info in test_infos:
sorted_cache_ti = sorted(vars(cached_test_info).keys())
if not sorted_cache_ti == sorted_base_ti:
logging.debug('test_info is not up-to-date.')
return False
return True
def find_test_by_cache(self, test_reference):
"""Find the matched test_infos in saved caches.
Args:
test_reference: A string of the path to the test's file or dir.
Returns:
A list of TestInfo namedtuple if cache found and is in latest
TestInfo format, else None.
"""
test_infos = atest_utils.load_test_info_cache(test_reference)
if test_infos and self._is_test_infos_valid(test_infos):
return test_infos
return None
def _is_test_infos_valid(self, test_infos):
"""Check if the given test_infos are valid.
Args:
test_infos: A list of TestInfo.
Returns:
True if test_infos are all valid. Otherwise, False.
"""
if not self._is_latest_testinfos(test_infos):
return False
for t_info in test_infos:
if not self._is_test_path_valid(t_info):
return False
if not self._is_test_build_target_valid(t_info):
return False
if not self._is_test_filter_valid(t_info):
return False
return True
def _is_test_path_valid(self, t_info):
"""Check if test path is valid.
Args:
t_info: TestInfo that has been filled out by a find method.
Returns:
True if test path is valid. Otherwise, False.
"""
# For RoboTest it won't have 'MODULES-IN-' as build target. Treat test
# path is valid if cached_test_paths is None.
cached_test_paths = t_info.get_test_paths()
if cached_test_paths is None:
return True
current_test_paths = self.module_info.get_paths(t_info.test_name)
if not current_test_paths:
return False
if sorted(cached_test_paths) != sorted(current_test_paths):
logging.debug('Not a valid test path.')
return False
return True
def _is_test_build_target_valid(self, t_info):
"""Check if test build targets are valid.
Args:
t_info: TestInfo that has been filled out by a find method.
Returns:
True if test's build target is valid. Otherwise, False.
"""
# If the cached build target can be found in current module-info, then
# it is a valid build targets of the test.
for build_target in t_info.build_targets:
if str(build_target).startswith(constants.MODULES_IN):
continue
if not self.module_info.is_module(build_target):
logging.debug('%s is not a valid build target.', build_target)
return False
return True
def _is_test_filter_valid(self, t_info):
"""Check if test filter is valid.
Args:
t_info: TestInfo that has been filled out by a find method.
Returns:
True if test filter is valid. Otherwise, False.
"""
test_filters = t_info.data.get(constants.TI_FILTER, [])
if not test_filters:
return True
for test_filter in test_filters:
# Check if the class filter is under current module.
# TODO: (b/172260100) The test_name may not be inevitably equal to
# the module_name.
if self._is_java_filter_in_module(t_info.test_name ,
test_filter.class_name):
return True
# TODO: (b/172260100) Also check for CC.
logging.debug('Not a valid test filter.')
return False
def _is_java_filter_in_module(self, module_name, filter_class):
"""Check if input class is part of input module.
Args:
module_name: A string of the module name of the test.
filter_class: A string of the class name field of TI_FILTER.
Returns:
True if input filter_class is in the input module. Otherwise, False.
"""
mod_info = self.module_info.get_module_info(module_name)
if not mod_info:
return False
module_srcs = mod_info.get(constants.MODULE_SRCS, [])
# If module didn't have src information treat the cached filter still
# valid. Remove this after all java srcs could be found in module-info.
if not module_srcs:
return True
ref_end = filter_class.rsplit('.', 1)[-1]
if '.' in filter_class:
file_path = str(filter_class).replace('.', '/')
# A Java class file always starts with a capital letter.
if ref_end[0].isupper():
file_path = file_path + '.'
for src_path in module_srcs:
# If java class, check if class file in module's src.
if src_path.find(file_path) >= 0:
return True
return False