From fbc57355f863b5476ae1739375bb8ce026c8a629 Mon Sep 17 00:00:00 2001 From: Vyshu Date: Wed, 9 Sep 2020 20:50:02 +0000 Subject: update payload : Add unittest for paycheck.py Use generated sample payloads to verify and apply each payload. BUG=chromium:1028646 TEST=sudo FEATURES=test emerge update_payload TEST=./generate_payloads Cq-Depend: chromium:2401388 Change-Id: I2b817c4b71edf4cc6bd36d9ee021366818a42ebb Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/update_engine/+/2401389 Tested-by: Vyshu Khota Commit-Queue: Vyshu Khota Reviewed-by: Amin Hassani Reviewed-by: Jae Hoon Kim --- scripts/paycheck_unittest.py | 105 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100755 scripts/paycheck_unittest.py (limited to 'scripts/paycheck_unittest.py') diff --git a/scripts/paycheck_unittest.py b/scripts/paycheck_unittest.py new file mode 100755 index 00000000..e54a3c03 --- /dev/null +++ b/scripts/paycheck_unittest.py @@ -0,0 +1,105 @@ +#!/usr/bin/env python +# +# Copyright (C) 2020 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. +# + +"""Unit testing paycheck.py.""" + +# This test requires new (Y) and old (X) images, as well as a full payload +# from image Y and a delta payload from Y to X for each partition. +# Payloads are from sample_images/generate_payloads. +# +# The test performs the following: +# +# - It statically applies the full and delta payloads. +# +# - It applies full_payload to yield a new kernel (kern.part) and rootfs +# (root.part) and compares them to the new image partitions. +# +# - It applies delta_payload to the old image to yield a new kernel and rootfs +# and compares them to the new image partitions. +# +# Previously test_paycheck.sh. Run with update_payload ebuild. + +# Disable check for function names to avoid errors based on old code +# pylint: disable-msg=invalid-name + +import filecmp +import os +import subprocess +import unittest + + +class PaycheckTest(unittest.TestCase): + """Test paycheck functions.""" + + def setUp(self): + self.tmpdir = os.getenv('T') + + self._full_payload = os.path.join(self.tmpdir, 'full_payload.bin') + self._delta_payload = os.path.join(self.tmpdir, 'delta_payload.bin') + + self._new_kernel = os.path.join(self.tmpdir, 'disk_ext2_4k.img') + self._new_root = os.path.join(self.tmpdir, 'disk_sqfs_default.img') + self._old_kernel = os.path.join(self.tmpdir, + 'disk_ext2_4k_empty.img') + self._old_root = os.path.join(self.tmpdir, 'disk_sqfs_empty.img') + + # Temp output files. + self._kernel_part = os.path.join(self.tmpdir, 'kern.part') + self._root_part = os.path.join(self.tmpdir, 'root.part') + + def checkPayload(self, type_arg, payload): + """Checks Payload.""" + self.assertEqual(0, subprocess.check_call(['./paycheck.py', '-t', + type_arg, payload])) + + def testFullPayload(self): + """Checks the full payload statically.""" + self.checkPayload('full', self._full_payload) + + def testDeltaPayload(self): + """Checks the delta payload statically.""" + self.checkPayload('delta', self._delta_payload) + + def testApplyFullPayload(self): + """Applies full payloads and compares results to new sample images.""" + self.assertEqual(0, subprocess.check_call(['./paycheck.py', + self._full_payload, + '--part_names', 'kernel', 'root', + '--out_dst_part_paths', + self._kernel_part, + self._root_part])) + + # Check if generated full image is equal to sample image. + self.assertTrue(filecmp.cmp(self._kernel_part, self._new_kernel)) + self.assertTrue(filecmp.cmp(self._root_part, self._new_root)) + + def testApplyDeltaPayload(self): + """Applies delta to old image and checks against new sample images.""" + self.assertEqual(0, subprocess.check_call(['./paycheck.py', + self._delta_payload, + '--part_names', 'kernel', 'root', + '--src_part_paths', + self._old_kernel, self._old_root, + '--out_dst_part_paths', + self._kernel_part, + self._root_part])) + + self.assertTrue(filecmp.cmp(self._kernel_part, self._new_kernel)) + self.assertTrue(filecmp.cmp(self._root_part, self._new_root)) + +if __name__ == '__main__': + unittest.main() -- cgit v1.2.3