#!/usr/bin/env python3
#
# Copyright (C) 2018 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.
"""
Tests gen_update_config.py.
Example:
$ PYTHONPATH=$ANDROID_BUILD_TOP/build/make/tools/releasetools:$PYTHONPATH \\
python3 -m unittest test_gen_update_config
"""
import os.path
import unittest
from gen_update_config import GenUpdateConfig
class GenUpdateConfigTest(unittest.TestCase): # pylint: disable=missing-docstring
def test_ab_install_type_streaming(self):
"""tests if streaming property files' offset and size are generated properly"""
config, package = self._generate_config()
property_files = config['ab_config']['property_files']
self.assertEqual(len(property_files), 6)
with open(package, 'rb') as pkg_file:
for prop in property_files:
filename, offset, size = prop['filename'], prop['offset'], prop['size']
pkg_file.seek(offset)
raw_data = pkg_file.read(size)
if filename in ['payload.bin', 'payload_metadata.bin']:
pass
elif filename == 'payload_properties.txt':
pass
elif filename == 'metadata':
self.assertEqual(raw_data.decode('ascii'), 'META-INF/COM/ANDROID/METADATA')
else:
expected_data = filename.replace('.', '-').upper()
self.assertEqual(raw_data.decode('ascii'), expected_data)
@staticmethod
def _generate_config():
"""Generates JSON config from ota_002_package.zip."""
ota_package = os.path.join(os.path.dirname(__file__),
'../tests/res/raw/ota_002_package.zip')
gen = GenUpdateConfig(ota_package,
'file:///foo.bar',
GenUpdateConfig.AB_INSTALL_TYPE_STREAMING,
True, # ab_force_switch_slot
True) # ab_verify_payload_metadata
gen.run()
return gen.config, ota_package
