tools/releasetools/test_add_img_to_target_files.py - platform/build - Git at Google

 #
 # 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.
 #

 import os
 import os.path
 import zipfile

 import common
 import test_utils
 from add_img_to_target_files import (
     AddCareMapForAbOta, AddPackRadioImages, AppendVBMetaArgsForPartition,
     CheckAbOtaImages, GetCareMap)
 from rangelib import RangeSet


 OPTIONS = common.OPTIONS


 class AddImagesToTargetFilesTest(test_utils.ReleaseToolsTestCase):

   def setUp(self):
     OPTIONS.input_tmp = common.MakeTempDir()

   def _verifyCareMap(self, expected, file_name):
     """Parses the care_map.pb; and checks the content in plain text."""
     text_file = common.MakeTempFile(prefix="caremap-", suffix=".txt")

     # Calls an external binary to convert the proto message.
     cmd = ["care_map_generator", "--parse_proto", file_name, text_file]
     common.RunAndCheckOutput(cmd)

     with open(text_file, 'r') as verify_fp:
       plain_text = verify_fp.read()
     self.assertEqual('\n'.join(expected), plain_text)

   @staticmethod
   def _create_images(images, prefix):
     """Creates images under OPTIONS.input_tmp/prefix."""
     path = os.path.join(OPTIONS.input_tmp, prefix)
     if not os.path.exists(path):
       os.mkdir(path)

     for image in images:
       image_path = os.path.join(path, image + '.img')
       with open(image_path, 'wb') as image_fp:
         image_fp.write(image.encode())

     images_path = os.path.join(OPTIONS.input_tmp, 'IMAGES')
     if not os.path.exists(images_path):
       os.mkdir(images_path)
     return images, images_path

   def test_CheckAbOtaImages_imageExistsUnderImages(self):
     """Tests the case with existing images under IMAGES/."""
     images, _ = self._create_images(['aboot', 'xbl'], 'IMAGES')
     CheckAbOtaImages(None, images)

   def test_CheckAbOtaImages_imageExistsUnderRadio(self):
     """Tests the case with some image under RADIO/."""
     images, _ = self._create_images(['system', 'vendor'], 'IMAGES')
     radio_path = os.path.join(OPTIONS.input_tmp, 'RADIO')
     if not os.path.exists(radio_path):
       os.mkdir(radio_path)
     with open(os.path.join(radio_path, 'modem.img'), 'wb') as image_fp:
       image_fp.write('modem'.encode())
     CheckAbOtaImages(None, images + ['modem'])

   def test_CheckAbOtaImages_missingImages(self):
     images, _ = self._create_images(['aboot', 'xbl'], 'RADIO')
     self.assertRaises(
         AssertionError, CheckAbOtaImages, None, images + ['baz'])

   def test_AddPackRadioImages(self):
     images, images_path = self._create_images(['foo', 'bar'], 'RADIO')
     AddPackRadioImages(None, images)

     for image in images:
       self.assertTrue(
           os.path.exists(os.path.join(images_path, image + '.img')))

   def test_AddPackRadioImages_with_suffix(self):
     images, images_path = self._create_images(['foo', 'bar'], 'RADIO')
     images_with_suffix = [image + '.img' for image in images]
     AddPackRadioImages(None, images_with_suffix)

     for image in images:
       self.assertTrue(
           os.path.exists(os.path.join(images_path, image + '.img')))

   def test_AddPackRadioImages_zipOutput(self):
     images, _ = self._create_images(['foo', 'bar'], 'RADIO')

     # Set up the output zip.
     output_file = common.MakeTempFile(suffix='.zip')
     with zipfile.ZipFile(output_file, 'w') as output_zip:
       AddPackRadioImages(output_zip, images)

     with zipfile.ZipFile(output_file, 'r') as verify_zip:
       for image in images:
         self.assertIn('IMAGES/' + image + '.img', verify_zip.namelist())

   def test_AddPackRadioImages_imageExists(self):
     images, images_path = self._create_images(['foo', 'bar'], 'RADIO')

     # Additionally create images under IMAGES/ so that they should be skipped.
     images, images_path = self._create_images(['foo', 'bar'], 'IMAGES')

     AddPackRadioImages(None, images)

     for image in images:
       self.assertTrue(
           os.path.exists(os.path.join(images_path, image + '.img')))

   def test_AddPackRadioImages_missingImages(self):
     images, _ = self._create_images(['foo', 'bar'], 'RADIO')
     AddPackRadioImages(None, images)

     self.assertRaises(AssertionError, AddPackRadioImages, None,
                       images + ['baz'])

   @staticmethod
   def _test_AddCareMapForAbOta():
     """Helper function to set up the test for test_AddCareMapForAbOta()."""
     OPTIONS.info_dict = {
         'system_verity_block_device': '/dev/block/system',
         'vendor_verity_block_device': '/dev/block/vendor',
         'system.build.prop': {
             'ro.system.build.fingerprint':
                 'google/sailfish/12345:user/dev-keys',
         },
         'vendor.build.prop': {
             'ro.vendor.build.fingerprint': 'google/sailfish/678:user/dev-keys',
         }
     }

     # Prepare the META/ folder.
     meta_path = os.path.join(OPTIONS.input_tmp, 'META')
     if not os.path.exists(meta_path):
       os.mkdir(meta_path)

     system_image = test_utils.construct_sparse_image([
         (0xCAC1, 6),
         (0xCAC3, 4),
         (0xCAC1, 6)])
     vendor_image = test_utils.construct_sparse_image([
         (0xCAC2, 10)])

     image_paths = {
         'system' : system_image,
         'vendor' : vendor_image,
     }
     return image_paths

   def test_AddCareMapForAbOta(self):
     image_paths = self._test_AddCareMapForAbOta()

     AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

     care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
     expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
                 "ro.system.build.fingerprint",
                 "google/sailfish/12345:user/dev-keys",
                 'vendor', RangeSet("0-9").to_string_raw(),
                 "ro.vendor.build.fingerprint",
                 "google/sailfish/678:user/dev-keys"]

     self._verifyCareMap(expected, care_map_file)

   def test_AddCareMapForAbOta_withNonCareMapPartitions(self):
     """Partitions without care_map should be ignored."""
     image_paths = self._test_AddCareMapForAbOta()

     AddCareMapForAbOta(
         None, ['boot', 'system', 'vendor', 'vbmeta'], image_paths)

     care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
     expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
                 "ro.system.build.fingerprint",
                 "google/sailfish/12345:user/dev-keys",
                 'vendor', RangeSet("0-9").to_string_raw(),
                 "ro.vendor.build.fingerprint",
                 "google/sailfish/678:user/dev-keys"]

     self._verifyCareMap(expected, care_map_file)

   def test_AddCareMapForAbOta_withAvb(self):
     """Tests the case for device using AVB."""
     image_paths = self._test_AddCareMapForAbOta()
     OPTIONS.info_dict = {
         'avb_system_hashtree_enable' : 'true',
         'avb_vendor_hashtree_enable' : 'true',
         'system.build.prop': {
             'ro.system.build.fingerprint':
                 'google/sailfish/12345:user/dev-keys',
         },
         'vendor.build.prop': {
             'ro.vendor.build.fingerprint': 'google/sailfish/678:user/dev-keys',
         }
     }

     AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

     care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
     expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
                 "ro.system.build.fingerprint",
                 "google/sailfish/12345:user/dev-keys",
                 'vendor', RangeSet("0-9").to_string_raw(),
                 "ro.vendor.build.fingerprint",
                 "google/sailfish/678:user/dev-keys"]

     self._verifyCareMap(expected, care_map_file)

   def test_AddCareMapForAbOta_noFingerprint(self):
     """Tests the case for partitions without fingerprint."""
     image_paths = self._test_AddCareMapForAbOta()
     OPTIONS.info_dict = {
         'system_verity_block_device': '/dev/block/system',
         'vendor_verity_block_device': '/dev/block/vendor',
     }

     AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

     care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
     expected = ['system', RangeSet("0-5 10-15").to_string_raw(), "unknown",
                 "unknown", 'vendor', RangeSet("0-9").to_string_raw(), "unknown",
                 "unknown"]

     self._verifyCareMap(expected, care_map_file)

   def test_AddCareMapForAbOta_withThumbprint(self):
     """Tests the case for partitions with thumbprint."""
     image_paths = self._test_AddCareMapForAbOta()
     OPTIONS.info_dict = {
         'system_verity_block_device': '/dev/block/system',
         'vendor_verity_block_device': '/dev/block/vendor',
         'system.build.prop': {
             'ro.system.build.thumbprint': 'google/sailfish/123:user/dev-keys',
         },
         'vendor.build.prop' : {
             'ro.vendor.build.thumbprint': 'google/sailfish/456:user/dev-keys',
         }
     }

     AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

     care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
     expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
                 "ro.system.build.thumbprint",
                 "google/sailfish/123:user/dev-keys",
                 'vendor', RangeSet("0-9").to_string_raw(),
                 "ro.vendor.build.thumbprint",
                 "google/sailfish/456:user/dev-keys"]

     self._verifyCareMap(expected, care_map_file)

   def test_AddCareMapForAbOta_verityNotEnabled(self):
     """No care_map.pb should be generated if verity not enabled."""
     image_paths = self._test_AddCareMapForAbOta()
     OPTIONS.info_dict = {}
     AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

     care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
     self.assertFalse(os.path.exists(care_map_file))

   def test_AddCareMapForAbOta_missingImageFile(self):
     """Missing image file should be considered fatal."""
     image_paths = self._test_AddCareMapForAbOta()
     image_paths['vendor'] = ''
     self.assertRaises(AssertionError, AddCareMapForAbOta, None,
                       ['system', 'vendor'], image_paths)

   def test_AddCareMapForAbOta_zipOutput(self):
     """Tests the case with ZIP output."""
     image_paths = self._test_AddCareMapForAbOta()

     output_file = common.MakeTempFile(suffix='.zip')
     with zipfile.ZipFile(output_file, 'w') as output_zip:
       AddCareMapForAbOta(output_zip, ['system', 'vendor'], image_paths)

     care_map_name = "META/care_map.pb"
     temp_dir = common.MakeTempDir()
     with zipfile.ZipFile(output_file, 'r') as verify_zip:
       self.assertTrue(care_map_name in verify_zip.namelist())
       verify_zip.extract(care_map_name, path=temp_dir)

     expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
                 "ro.system.build.fingerprint",
                 "google/sailfish/12345:user/dev-keys",
                 'vendor', RangeSet("0-9").to_string_raw(),
                 "ro.vendor.build.fingerprint",
                 "google/sailfish/678:user/dev-keys"]
     self._verifyCareMap(expected, os.path.join(temp_dir, care_map_name))

   def test_AddCareMapForAbOta_zipOutput_careMapEntryExists(self):
     """Tests the case with ZIP output which already has care_map entry."""
     image_paths = self._test_AddCareMapForAbOta()

     output_file = common.MakeTempFile(suffix='.zip')
     with zipfile.ZipFile(output_file, 'w') as output_zip:
       # Create an existing META/care_map.pb entry.
       common.ZipWriteStr(output_zip, 'META/care_map.pb',
                          'dummy care_map.pb')

       # Request to add META/care_map.pb again.
       AddCareMapForAbOta(output_zip, ['system', 'vendor'], image_paths)

     # The one under OPTIONS.input_tmp must have been replaced.
     care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
     expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
                 "ro.system.build.fingerprint",
                 "google/sailfish/12345:user/dev-keys",
                 'vendor', RangeSet("0-9").to_string_raw(),
                 "ro.vendor.build.fingerprint",
                 "google/sailfish/678:user/dev-keys"]

     self._verifyCareMap(expected, care_map_file)

     # The existing entry should be scheduled to be replaced.
     self.assertIn('META/care_map.pb', OPTIONS.replace_updated_files_list)

   def test_AppendVBMetaArgsForPartition(self):
     OPTIONS.info_dict = {}
     cmd = []
     AppendVBMetaArgsForPartition(cmd, 'system', '/path/to/system.img')
     self.assertEqual(
         ['--include_descriptors_from_image', '/path/to/system.img'], cmd)

   def test_AppendVBMetaArgsForPartition_vendorAsChainedPartition(self):
     testdata_dir = test_utils.get_testdata_dir()
     pubkey = os.path.join(testdata_dir, 'testkey.pubkey.pem')
     OPTIONS.info_dict = {
         'avb_avbtool': 'avbtool',
         'avb_vendor_key_path': pubkey,
         'avb_vendor_rollback_index_location': 5,
     }
     cmd = []
     AppendVBMetaArgsForPartition(cmd, 'vendor', '/path/to/vendor.img')
     self.assertEqual(2, len(cmd))
     self.assertEqual('--chain_partition', cmd[0])
     chained_partition_args = cmd[1].split(':')
     self.assertEqual(3, len(chained_partition_args))
     self.assertEqual('vendor', chained_partition_args[0])
     self.assertEqual('5', chained_partition_args[1])
     self.assertTrue(os.path.exists(chained_partition_args[2]))

   def test_GetCareMap(self):
     sparse_image = test_utils.construct_sparse_image([
         (0xCAC1, 6),
         (0xCAC3, 4),
         (0xCAC1, 6)])
     OPTIONS.info_dict = {
         'system_image_size' : 53248,
     }
     name, care_map = GetCareMap('system', sparse_image)
     self.assertEqual('system', name)
     self.assertEqual(RangeSet("0-5 10-12").to_string_raw(), care_map)

   def test_GetCareMap_invalidPartition(self):
     self.assertRaises(AssertionError, GetCareMap, 'oem', None)

   def test_GetCareMap_invalidAdjustedPartitionSize(self):
     sparse_image = test_utils.construct_sparse_image([
         (0xCAC1, 6),
         (0xCAC3, 4),
         (0xCAC1, 6)])
     OPTIONS.info_dict = {
         'system_image_size' : -45056,
     }
     self.assertRaises(AssertionError, GetCareMap, 'system', sparse_image)
	#
	# 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.
	#

	import os
	import os.path
	import zipfile

	import common
	import test_utils
	from add_img_to_target_files import (
	AddCareMapForAbOta, AddPackRadioImages, AppendVBMetaArgsForPartition,
	CheckAbOtaImages, GetCareMap)
	from rangelib import RangeSet


	OPTIONS = common.OPTIONS


	class AddImagesToTargetFilesTest(test_utils.ReleaseToolsTestCase):

	def setUp(self):
	OPTIONS.input_tmp = common.MakeTempDir()

	def _verifyCareMap(self, expected, file_name):
	"""Parses the care_map.pb; and checks the content in plain text."""
	text_file = common.MakeTempFile(prefix="caremap-", suffix=".txt")

	# Calls an external binary to convert the proto message.
	cmd = ["care_map_generator", "--parse_proto", file_name, text_file]
	common.RunAndCheckOutput(cmd)

	with open(text_file, 'r') as verify_fp:
	plain_text = verify_fp.read()
	self.assertEqual('\n'.join(expected), plain_text)

	@staticmethod
	def _create_images(images, prefix):
	"""Creates images under OPTIONS.input_tmp/prefix."""
	path = os.path.join(OPTIONS.input_tmp, prefix)
	if not os.path.exists(path):
	os.mkdir(path)

	for image in images:
	image_path = os.path.join(path, image + '.img')
	with open(image_path, 'wb') as image_fp:
	image_fp.write(image.encode())

	images_path = os.path.join(OPTIONS.input_tmp, 'IMAGES')
	if not os.path.exists(images_path):
	os.mkdir(images_path)
	return images, images_path

	def test_CheckAbOtaImages_imageExistsUnderImages(self):
	"""Tests the case with existing images under IMAGES/."""
	images, _ = self._create_images(['aboot', 'xbl'], 'IMAGES')
	CheckAbOtaImages(None, images)

	def test_CheckAbOtaImages_imageExistsUnderRadio(self):
	"""Tests the case with some image under RADIO/."""
	images, _ = self._create_images(['system', 'vendor'], 'IMAGES')
	radio_path = os.path.join(OPTIONS.input_tmp, 'RADIO')
	if not os.path.exists(radio_path):
	os.mkdir(radio_path)
	with open(os.path.join(radio_path, 'modem.img'), 'wb') as image_fp:
	image_fp.write('modem'.encode())
	CheckAbOtaImages(None, images + ['modem'])

	def test_CheckAbOtaImages_missingImages(self):
	images, _ = self._create_images(['aboot', 'xbl'], 'RADIO')
	self.assertRaises(
	AssertionError, CheckAbOtaImages, None, images + ['baz'])

	def test_AddPackRadioImages(self):
	images, images_path = self._create_images(['foo', 'bar'], 'RADIO')
	AddPackRadioImages(None, images)

	for image in images:
	self.assertTrue(
	os.path.exists(os.path.join(images_path, image + '.img')))

	def test_AddPackRadioImages_with_suffix(self):
	images, images_path = self._create_images(['foo', 'bar'], 'RADIO')
	images_with_suffix = [image + '.img' for image in images]
	AddPackRadioImages(None, images_with_suffix)

	for image in images:
	self.assertTrue(
	os.path.exists(os.path.join(images_path, image + '.img')))

	def test_AddPackRadioImages_zipOutput(self):
	images, _ = self._create_images(['foo', 'bar'], 'RADIO')

	# Set up the output zip.
	output_file = common.MakeTempFile(suffix='.zip')
	with zipfile.ZipFile(output_file, 'w') as output_zip:
	AddPackRadioImages(output_zip, images)

	with zipfile.ZipFile(output_file, 'r') as verify_zip:
	for image in images:
	self.assertIn('IMAGES/' + image + '.img', verify_zip.namelist())

	def test_AddPackRadioImages_imageExists(self):
	images, images_path = self._create_images(['foo', 'bar'], 'RADIO')

	# Additionally create images under IMAGES/ so that they should be skipped.
	images, images_path = self._create_images(['foo', 'bar'], 'IMAGES')

	AddPackRadioImages(None, images)

	for image in images:
	self.assertTrue(
	os.path.exists(os.path.join(images_path, image + '.img')))

	def test_AddPackRadioImages_missingImages(self):
	images, _ = self._create_images(['foo', 'bar'], 'RADIO')
	AddPackRadioImages(None, images)

	self.assertRaises(AssertionError, AddPackRadioImages, None,
	images + ['baz'])

	@staticmethod
	def _test_AddCareMapForAbOta():
	"""Helper function to set up the test for test_AddCareMapForAbOta()."""
	OPTIONS.info_dict = {
	'system_verity_block_device': '/dev/block/system',
	'vendor_verity_block_device': '/dev/block/vendor',
	'system.build.prop': {
	'ro.system.build.fingerprint':
	'google/sailfish/12345:user/dev-keys',
	},
	'vendor.build.prop': {
	'ro.vendor.build.fingerprint': 'google/sailfish/678:user/dev-keys',
	}
	}

	# Prepare the META/ folder.
	meta_path = os.path.join(OPTIONS.input_tmp, 'META')
	if not os.path.exists(meta_path):
	os.mkdir(meta_path)

	system_image = test_utils.construct_sparse_image([
	(0xCAC1, 6),
	(0xCAC3, 4),
	(0xCAC1, 6)])
	vendor_image = test_utils.construct_sparse_image([
	(0xCAC2, 10)])

	image_paths = {
	'system' : system_image,
	'vendor' : vendor_image,
	}
	return image_paths

	def test_AddCareMapForAbOta(self):
	image_paths = self._test_AddCareMapForAbOta()

	AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

	care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
	expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
	"ro.system.build.fingerprint",
	"google/sailfish/12345:user/dev-keys",
	'vendor', RangeSet("0-9").to_string_raw(),
	"ro.vendor.build.fingerprint",
	"google/sailfish/678:user/dev-keys"]

	self._verifyCareMap(expected, care_map_file)

	def test_AddCareMapForAbOta_withNonCareMapPartitions(self):
	"""Partitions without care_map should be ignored."""
	image_paths = self._test_AddCareMapForAbOta()

	AddCareMapForAbOta(
	None, ['boot', 'system', 'vendor', 'vbmeta'], image_paths)

	care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
	expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
	"ro.system.build.fingerprint",
	"google/sailfish/12345:user/dev-keys",
	'vendor', RangeSet("0-9").to_string_raw(),
	"ro.vendor.build.fingerprint",
	"google/sailfish/678:user/dev-keys"]

	self._verifyCareMap(expected, care_map_file)

	def test_AddCareMapForAbOta_withAvb(self):
	"""Tests the case for device using AVB."""
	image_paths = self._test_AddCareMapForAbOta()
	OPTIONS.info_dict = {
	'avb_system_hashtree_enable' : 'true',
	'avb_vendor_hashtree_enable' : 'true',
	'system.build.prop': {
	'ro.system.build.fingerprint':
	'google/sailfish/12345:user/dev-keys',
	},
	'vendor.build.prop': {
	'ro.vendor.build.fingerprint': 'google/sailfish/678:user/dev-keys',
	}
	}

	AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

	care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
	expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
	"ro.system.build.fingerprint",
	"google/sailfish/12345:user/dev-keys",
	'vendor', RangeSet("0-9").to_string_raw(),
	"ro.vendor.build.fingerprint",
	"google/sailfish/678:user/dev-keys"]

	self._verifyCareMap(expected, care_map_file)

	def test_AddCareMapForAbOta_noFingerprint(self):
	"""Tests the case for partitions without fingerprint."""
	image_paths = self._test_AddCareMapForAbOta()
	OPTIONS.info_dict = {
	'system_verity_block_device': '/dev/block/system',
	'vendor_verity_block_device': '/dev/block/vendor',
	}

	AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

	care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
	expected = ['system', RangeSet("0-5 10-15").to_string_raw(), "unknown",
	"unknown", 'vendor', RangeSet("0-9").to_string_raw(), "unknown",
	"unknown"]

	self._verifyCareMap(expected, care_map_file)

	def test_AddCareMapForAbOta_withThumbprint(self):
	"""Tests the case for partitions with thumbprint."""
	image_paths = self._test_AddCareMapForAbOta()
	OPTIONS.info_dict = {
	'system_verity_block_device': '/dev/block/system',
	'vendor_verity_block_device': '/dev/block/vendor',
	'system.build.prop': {
	'ro.system.build.thumbprint': 'google/sailfish/123:user/dev-keys',
	},
	'vendor.build.prop' : {
	'ro.vendor.build.thumbprint': 'google/sailfish/456:user/dev-keys',
	}
	}

	AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

	care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
	expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
	"ro.system.build.thumbprint",
	"google/sailfish/123:user/dev-keys",
	'vendor', RangeSet("0-9").to_string_raw(),
	"ro.vendor.build.thumbprint",
	"google/sailfish/456:user/dev-keys"]

	self._verifyCareMap(expected, care_map_file)

	def test_AddCareMapForAbOta_verityNotEnabled(self):
	"""No care_map.pb should be generated if verity not enabled."""
	image_paths = self._test_AddCareMapForAbOta()
	OPTIONS.info_dict = {}
	AddCareMapForAbOta(None, ['system', 'vendor'], image_paths)

	care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
	self.assertFalse(os.path.exists(care_map_file))

	def test_AddCareMapForAbOta_missingImageFile(self):
	"""Missing image file should be considered fatal."""
	image_paths = self._test_AddCareMapForAbOta()
	image_paths['vendor'] = ''
	self.assertRaises(AssertionError, AddCareMapForAbOta, None,
	['system', 'vendor'], image_paths)

	def test_AddCareMapForAbOta_zipOutput(self):
	"""Tests the case with ZIP output."""
	image_paths = self._test_AddCareMapForAbOta()

	output_file = common.MakeTempFile(suffix='.zip')
	with zipfile.ZipFile(output_file, 'w') as output_zip:
	AddCareMapForAbOta(output_zip, ['system', 'vendor'], image_paths)

	care_map_name = "META/care_map.pb"
	temp_dir = common.MakeTempDir()
	with zipfile.ZipFile(output_file, 'r') as verify_zip:
	self.assertTrue(care_map_name in verify_zip.namelist())
	verify_zip.extract(care_map_name, path=temp_dir)

	expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
	"ro.system.build.fingerprint",
	"google/sailfish/12345:user/dev-keys",
	'vendor', RangeSet("0-9").to_string_raw(),
	"ro.vendor.build.fingerprint",
	"google/sailfish/678:user/dev-keys"]
	self._verifyCareMap(expected, os.path.join(temp_dir, care_map_name))

	def test_AddCareMapForAbOta_zipOutput_careMapEntryExists(self):
	"""Tests the case with ZIP output which already has care_map entry."""
	image_paths = self._test_AddCareMapForAbOta()

	output_file = common.MakeTempFile(suffix='.zip')
	with zipfile.ZipFile(output_file, 'w') as output_zip:
	# Create an existing META/care_map.pb entry.
	common.ZipWriteStr(output_zip, 'META/care_map.pb',
	'dummy care_map.pb')

	# Request to add META/care_map.pb again.
	AddCareMapForAbOta(output_zip, ['system', 'vendor'], image_paths)

	# The one under OPTIONS.input_tmp must have been replaced.
	care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
	expected = ['system', RangeSet("0-5 10-15").to_string_raw(),
	"ro.system.build.fingerprint",
	"google/sailfish/12345:user/dev-keys",
	'vendor', RangeSet("0-9").to_string_raw(),
	"ro.vendor.build.fingerprint",
	"google/sailfish/678:user/dev-keys"]

	self._verifyCareMap(expected, care_map_file)

	# The existing entry should be scheduled to be replaced.
	self.assertIn('META/care_map.pb', OPTIONS.replace_updated_files_list)

	def test_AppendVBMetaArgsForPartition(self):
	OPTIONS.info_dict = {}
	cmd = []
	AppendVBMetaArgsForPartition(cmd, 'system', '/path/to/system.img')
	self.assertEqual(
	['--include_descriptors_from_image', '/path/to/system.img'], cmd)

	def test_AppendVBMetaArgsForPartition_vendorAsChainedPartition(self):
	testdata_dir = test_utils.get_testdata_dir()
	pubkey = os.path.join(testdata_dir, 'testkey.pubkey.pem')
	OPTIONS.info_dict = {
	'avb_avbtool': 'avbtool',
	'avb_vendor_key_path': pubkey,
	'avb_vendor_rollback_index_location': 5,
	}
	cmd = []
	AppendVBMetaArgsForPartition(cmd, 'vendor', '/path/to/vendor.img')
	self.assertEqual(2, len(cmd))
	self.assertEqual('--chain_partition', cmd[0])
	chained_partition_args = cmd[1].split(':')
	self.assertEqual(3, len(chained_partition_args))
	self.assertEqual('vendor', chained_partition_args[0])
	self.assertEqual('5', chained_partition_args[1])
	self.assertTrue(os.path.exists(chained_partition_args[2]))

	def test_GetCareMap(self):
	sparse_image = test_utils.construct_sparse_image([
	(0xCAC1, 6),
	(0xCAC3, 4),
	(0xCAC1, 6)])
	OPTIONS.info_dict = {
	'system_image_size' : 53248,
	}
	name, care_map = GetCareMap('system', sparse_image)
	self.assertEqual('system', name)
	self.assertEqual(RangeSet("0-5 10-12").to_string_raw(), care_map)

	def test_GetCareMap_invalidPartition(self):
	self.assertRaises(AssertionError, GetCareMap, 'oem', None)

	def test_GetCareMap_invalidAdjustedPartitionSize(self):
	sparse_image = test_utils.construct_sparse_image([
	(0xCAC1, 6),
	(0xCAC3, 4),
	(0xCAC1, 6)])
	OPTIONS.info_dict = {
	'system_image_size' : -45056,
	}
	self.assertRaises(AssertionError, GetCareMap, 'system', sparse_image)