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# Copyright 2017, 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.
"""
Aggregates test runners, groups tests by test runners and kicks off tests.
"""
# pylint: disable=line-too-long
# pylint: disable=import-outside-toplevel
import itertools
import time
import traceback
import atest_error
import constants
import result_reporter
from metrics import metrics
from metrics import metrics_utils
from test_runners import atest_tf_test_runner
from test_runners import robolectric_test_runner
from test_runners import suite_plan_test_runner
from test_runners import vts_tf_test_runner
_TEST_RUNNERS = {
atest_tf_test_runner.AtestTradefedTestRunner.NAME: atest_tf_test_runner.AtestTradefedTestRunner,
robolectric_test_runner.RobolectricTestRunner.NAME: robolectric_test_runner.RobolectricTestRunner,
suite_plan_test_runner.SuitePlanTestRunner.NAME: suite_plan_test_runner.SuitePlanTestRunner,
vts_tf_test_runner.VtsTradefedTestRunner.NAME: vts_tf_test_runner.VtsTradefedTestRunner,
}
def _get_test_runners():
"""Returns the test runners.
If external test runners are defined outside atest, they can be try-except
imported into here.
Returns:
Dict of test runner name to test runner class.
"""
test_runners_dict = _TEST_RUNNERS
# Example import of example test runner:
try:
from test_runners import example_test_runner
test_runners_dict[example_test_runner.ExampleTestRunner.NAME] = example_test_runner.ExampleTestRunner
except ImportError:
pass
return test_runners_dict
def group_tests_by_test_runners(test_infos):
"""Group the test_infos by test runners
Args:
test_infos: List of TestInfo.
Returns:
List of tuples (test runner, tests).
"""
tests_by_test_runner = []
test_runner_dict = _get_test_runners()
key = lambda x: x.test_runner
sorted_test_infos = sorted(list(test_infos), key=key)
for test_runner, tests in itertools.groupby(sorted_test_infos, key):
# groupby returns a grouper object, we want to operate on a list.
tests = list(tests)
test_runner_class = test_runner_dict.get(test_runner)
if test_runner_class is None:
raise atest_error.UnknownTestRunnerError('Unknown Test Runner %s' %
test_runner)
tests_by_test_runner.append((test_runner_class, tests))
return tests_by_test_runner
def get_test_runner_reqs(module_info, test_infos):
"""Returns the requirements for all test runners specified in the tests.
Args:
module_info: ModuleInfo object.
test_infos: List of TestInfo.
Returns:
Set of build targets required by the test runners.
"""
unused_result_dir = ''
test_runner_build_req = set()
for test_runner, _ in group_tests_by_test_runners(test_infos):
test_runner_build_req |= test_runner(
unused_result_dir,
module_info=module_info).get_test_runner_build_reqs()
return test_runner_build_req
def run_all_tests(results_dir, test_infos, extra_args, module_info,
delay_print_summary=False):
"""Run the given tests.
Args:
results_dir: String directory to store atest results.
test_infos: List of TestInfo.
extra_args: Dict of extra args for test runners to use.
module_info: ModuleInfo object.
Returns:
0 if tests succeed, non-zero otherwise.
"""
reporter = result_reporter.ResultReporter(
collect_only=extra_args.get(constants.COLLECT_TESTS_ONLY),
flakes_info=extra_args.get(constants.FLAKES_INFO))
reporter.print_starting_text()
tests_ret_code = constants.EXIT_CODE_SUCCESS
for test_runner, tests in group_tests_by_test_runners(test_infos):
test_name = ' '.join([test.test_name for test in tests])
test_start = time.time()
is_success = True
ret_code = constants.EXIT_CODE_TEST_FAILURE
stacktrace = ''
try:
test_runner = test_runner(results_dir, module_info=module_info)
ret_code = test_runner.run_tests(tests, extra_args, reporter)
tests_ret_code |= ret_code
# pylint: disable=broad-except
except Exception:
stacktrace = traceback.format_exc()
reporter.runner_failure(test_runner.NAME, stacktrace)
tests_ret_code = constants.EXIT_CODE_TEST_FAILURE
is_success = False
metrics.RunnerFinishEvent(
duration=metrics_utils.convert_duration(time.time() - test_start),
success=is_success,
runner_name=test_runner.NAME,
test=[{'name': test_name,
'result': ret_code,
'stacktrace': stacktrace}])
if delay_print_summary:
return tests_ret_code, reporter
return reporter.print_summary() or tests_ret_code, reporter