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# Copyright 2024, 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.
"""Testing utilities for tests in the CI package."""
import logging
import os
import unittest
import subprocess
import pathlib
import shutil
import tempfile
# Export the TestCase class to reduce the number of imports tests have to list.
TestCase = unittest.TestCase
def process_alive(pid):
"""Check For the existence of a pid."""
try:
os.kill(pid, 0)
except OSError:
return False
return True
class TemporaryProcessSession:
def __init__(self, test_case: TestCase):
self._created_processes = []
test_case.addCleanup(self.cleanup)
def create(self, args, kwargs):
p = subprocess.Popen(*args, **kwargs, start_new_session=True)
self._created_processes.append(p)
return p
def cleanup(self):
for p in self._created_processes:
if not process_alive(p.pid):
return
os.killpg(os.getpgid(p.pid), signal.SIGKILL)
class TestTemporaryDirectory:
def __init__(self, delete: bool, ):
self._delete = delete
@classmethod
def create(cls, test_case: TestCase, delete: bool = True):
temp_dir = TestTemporaryDirectory(delete)
temp_dir._dir = pathlib.Path(tempfile.mkdtemp())
test_case.addCleanup(temp_dir.cleanup)
return temp_dir._dir
def get_dir(self):
return self._dir
def cleanup(self):
if not self._delete:
return
shutil.rmtree(self._dir, ignore_errors=True)
def main():
# Disable logging since it breaks the TF Python test output parser.
# TODO(hzalek): Use TF's `test-output-file` option to re-enable logging.
logging.getLogger().disabled = True
unittest.main()
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