forked from openkylin/platform_build
Merge "releasetools: Add unittest for common.GetSparseImage()."
This commit is contained in:
Treehugger Robot
Gerrit Code Review
commit
35ee189898
|
|
@ -13,6 +13,7 @@
|
|||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
|
||||
import os
|
||||
import tempfile
|
||||
import time
|
||||
|
|
@ -23,6 +24,7 @@ from hashlib import sha1
|
|||
import common
|
||||
import test_utils
|
||||
import validate_target_files
|
||||
from rangelib import RangeSet
|
||||
|
||||
|
||||
KiB = 1024
|
||||
|
|
@ -489,6 +491,147 @@ class CommonApkUtilsTest(unittest.TestCase):
|
|||
self.assertRaises(AssertionError, common.ExtractPublicKey, wrong_input)
|
||||
|
||||
|
||||
class CommonUtilsTest(unittest.TestCase):
|
||||
|
||||
def tearDown(self):
|
||||
common.Cleanup()
|
||||
|
||||
def test_GetSparseImage_emptyBlockMapFile(self):
|
||||
target_files = common.MakeTempFile(prefix='target_files-', suffix='.zip')
|
||||
with zipfile.ZipFile(target_files, 'w') as target_files_zip:
|
||||
target_files_zip.write(
|
||||
test_utils.construct_sparse_image([
|
||||
(0xCAC1, 6),
|
||||
(0xCAC3, 3),
|
||||
(0xCAC1, 4)]),
|
||||
arcname='IMAGES/system.img')
|
||||
target_files_zip.writestr('IMAGES/system.map', '')
|
||||
target_files_zip.writestr('SYSTEM/file1', os.urandom(4096 * 8))
|
||||
target_files_zip.writestr('SYSTEM/file2', os.urandom(4096 * 3))
|
||||
|
||||
tempdir, input_zip = common.UnzipTemp(target_files)
|
||||
sparse_image = common.GetSparseImage('system', tempdir, input_zip, False)
|
||||
input_zip.close()
|
||||
|
||||
self.assertDictEqual(
|
||||
{
|
||||
'__COPY': RangeSet("0"),
|
||||
'__NONZERO-0': RangeSet("1-5 9-12"),
|
||||
},
|
||||
sparse_image.file_map)
|
||||
|
||||
def test_GetSparseImage_invalidImageName(self):
|
||||
self.assertRaises(
|
||||
AssertionError, common.GetSparseImage, 'system2', None, None, False)
|
||||
self.assertRaises(
|
||||
AssertionError, common.GetSparseImage, 'unknown', None, None, False)
|
||||
|
||||
def test_GetSparseImage_missingBlockMapFile(self):
|
||||
target_files = common.MakeTempFile(prefix='target_files-', suffix='.zip')
|
||||
with zipfile.ZipFile(target_files, 'w') as target_files_zip:
|
||||
target_files_zip.write(
|
||||
test_utils.construct_sparse_image([
|
||||
(0xCAC1, 6),
|
||||
(0xCAC3, 3),
|
||||
(0xCAC1, 4)]),
|
||||
arcname='IMAGES/system.img')
|
||||
target_files_zip.writestr('SYSTEM/file1', os.urandom(4096 * 8))
|
||||
target_files_zip.writestr('SYSTEM/file2', os.urandom(4096 * 3))
|
||||
|
||||
tempdir, input_zip = common.UnzipTemp(target_files)
|
||||
self.assertRaises(
|
||||
AssertionError, common.GetSparseImage, 'system', tempdir, input_zip,
|
||||
False)
|
||||
input_zip.close()
|
||||
|
||||
def test_GetSparseImage_sharedBlocks_notAllowed(self):
|
||||
"""Tests the case of having overlapping blocks but disallowed."""
|
||||
target_files = common.MakeTempFile(prefix='target_files-', suffix='.zip')
|
||||
with zipfile.ZipFile(target_files, 'w') as target_files_zip:
|
||||
target_files_zip.write(
|
||||
test_utils.construct_sparse_image([(0xCAC2, 16)]),
|
||||
arcname='IMAGES/system.img')
|
||||
# Block 10 is shared between two files.
|
||||
target_files_zip.writestr(
|
||||
'IMAGES/system.map',
|
||||
'\n'.join([
|
||||
'/system/file1 1-5 9-10',
|
||||
'/system/file2 10-12']))
|
||||
target_files_zip.writestr('SYSTEM/file1', os.urandom(4096 * 7))
|
||||
target_files_zip.writestr('SYSTEM/file2', os.urandom(4096 * 3))
|
||||
|
||||
tempdir, input_zip = common.UnzipTemp(target_files)
|
||||
self.assertRaises(
|
||||
AssertionError, common.GetSparseImage, 'system', tempdir, input_zip,
|
||||
False)
|
||||
input_zip.close()
|
||||
|
||||
def test_GetSparseImage_sharedBlocks_allowed(self):
|
||||
"""Tests the case for target using BOARD_EXT4_SHARE_DUP_BLOCKS := true."""
|
||||
target_files = common.MakeTempFile(prefix='target_files-', suffix='.zip')
|
||||
with zipfile.ZipFile(target_files, 'w') as target_files_zip:
|
||||
# Construct an image with a care_map of "0-5 9-12".
|
||||
target_files_zip.write(
|
||||
test_utils.construct_sparse_image([(0xCAC2, 16)]),
|
||||
arcname='IMAGES/system.img')
|
||||
# Block 10 is shared between two files.
|
||||
target_files_zip.writestr(
|
||||
'IMAGES/system.map',
|
||||
'\n'.join([
|
||||
'/system/file1 1-5 9-10',
|
||||
'/system/file2 10-12']))
|
||||
target_files_zip.writestr('SYSTEM/file1', os.urandom(4096 * 7))
|
||||
target_files_zip.writestr('SYSTEM/file2', os.urandom(4096 * 3))
|
||||
|
||||
tempdir, input_zip = common.UnzipTemp(target_files)
|
||||
sparse_image = common.GetSparseImage('system', tempdir, input_zip, True)
|
||||
input_zip.close()
|
||||
|
||||
self.assertDictEqual(
|
||||
{
|
||||
'__COPY': RangeSet("0"),
|
||||
'__NONZERO-0': RangeSet("6-8 13-15"),
|
||||
'/system/file1': RangeSet("1-5 9-10"),
|
||||
'/system/file2': RangeSet("11-12"),
|
||||
},
|
||||
sparse_image.file_map)
|
||||
|
||||
# '/system/file2' should be marked with 'uses_shared_blocks', but not with
|
||||
# 'incomplete'.
|
||||
self.assertTrue(
|
||||
sparse_image.file_map['/system/file2'].extra['uses_shared_blocks'])
|
||||
self.assertNotIn(
|
||||
'incomplete', sparse_image.file_map['/system/file2'].extra)
|
||||
|
||||
# All other entries should look normal without any tags.
|
||||
self.assertFalse(sparse_image.file_map['__COPY'].extra)
|
||||
self.assertFalse(sparse_image.file_map['__NONZERO-0'].extra)
|
||||
self.assertFalse(sparse_image.file_map['/system/file1'].extra)
|
||||
|
||||
def test_GetSparseImage_incompleteRanges(self):
|
||||
"""Tests the case of ext4 images with holes."""
|
||||
target_files = common.MakeTempFile(prefix='target_files-', suffix='.zip')
|
||||
with zipfile.ZipFile(target_files, 'w') as target_files_zip:
|
||||
target_files_zip.write(
|
||||
test_utils.construct_sparse_image([(0xCAC2, 16)]),
|
||||
arcname='IMAGES/system.img')
|
||||
target_files_zip.writestr(
|
||||
'IMAGES/system.map',
|
||||
'\n'.join([
|
||||
'/system/file1 1-5 9-10',
|
||||
'/system/file2 11-12']))
|
||||
target_files_zip.writestr('SYSTEM/file1', os.urandom(4096 * 7))
|
||||
# '/system/file2' has less blocks listed (2) than actual (3).
|
||||
target_files_zip.writestr('SYSTEM/file2', os.urandom(4096 * 3))
|
||||
|
||||
tempdir, input_zip = common.UnzipTemp(target_files)
|
||||
sparse_image = common.GetSparseImage('system', tempdir, input_zip, False)
|
||||
input_zip.close()
|
||||
|
||||
self.assertFalse(sparse_image.file_map['/system/file1'].extra)
|
||||
self.assertTrue(sparse_image.file_map['/system/file2'].extra['incomplete'])
|
||||
|
||||
|
||||
class InstallRecoveryScriptFormatTest(unittest.TestCase):
|
||||
"""Checks the format of install-recovery.sh.
|
||||
|
||||
|
|
|
|||
|
|
@ -18,7 +18,11 @@
|
|||
Utils for running unittests.
|
||||
"""
|
||||
|
||||
import os
|
||||
import os.path
|
||||
import struct
|
||||
|
||||
import common
|
||||
|
||||
|
||||
def get_testdata_dir():
|
||||
|
|
@ -26,3 +30,67 @@ def get_testdata_dir():
|
|||
# The script dir is the one we want, which could be different from pwd.
|
||||
current_dir = os.path.dirname(os.path.realpath(__file__))
|
||||
return os.path.join(current_dir, 'testdata')
|
||||
|
||||
|
||||
def construct_sparse_image(chunks):
|
||||
"""Returns a sparse image file constructed from the given chunks.
|
||||
|
||||
From system/core/libsparse/sparse_format.h.
|
||||
typedef struct sparse_header {
|
||||
__le32 magic; // 0xed26ff3a
|
||||
__le16 major_version; // (0x1) - reject images with higher major versions
|
||||
__le16 minor_version; // (0x0) - allow images with higer minor versions
|
||||
__le16 file_hdr_sz; // 28 bytes for first revision of the file format
|
||||
__le16 chunk_hdr_sz; // 12 bytes for first revision of the file format
|
||||
__le32 blk_sz; // block size in bytes, must be a multiple of 4 (4096)
|
||||
__le32 total_blks; // total blocks in the non-sparse output image
|
||||
__le32 total_chunks; // total chunks in the sparse input image
|
||||
__le32 image_checksum; // CRC32 checksum of the original data, counting
|
||||
// "don't care" as 0. Standard 802.3 polynomial,
|
||||
// use a Public Domain table implementation
|
||||
} sparse_header_t;
|
||||
|
||||
typedef struct chunk_header {
|
||||
__le16 chunk_type; // 0xCAC1 -> raw; 0xCAC2 -> fill;
|
||||
// 0xCAC3 -> don't care
|
||||
__le16 reserved1;
|
||||
__le32 chunk_sz; // in blocks in output image
|
||||
__le32 total_sz; // in bytes of chunk input file including chunk header
|
||||
// and data
|
||||
} chunk_header_t;
|
||||
|
||||
Args:
|
||||
chunks: A list of chunks to be written. Each entry should be a tuple of
|
||||
(chunk_type, block_number).
|
||||
|
||||
Returns:
|
||||
Filename of the created sparse image.
|
||||
"""
|
||||
SPARSE_HEADER_MAGIC = 0xED26FF3A
|
||||
SPARSE_HEADER_FORMAT = "<I4H4I"
|
||||
CHUNK_HEADER_FORMAT = "<2H2I"
|
||||
|
||||
sparse_image = common.MakeTempFile(prefix='sparse-', suffix='.img')
|
||||
with open(sparse_image, 'wb') as fp:
|
||||
fp.write(struct.pack(
|
||||
SPARSE_HEADER_FORMAT, SPARSE_HEADER_MAGIC, 1, 0, 28, 12, 4096,
|
||||
sum(chunk[1] for chunk in chunks),
|
||||
len(chunks), 0))
|
||||
|
||||
for chunk in chunks:
|
||||
data_size = 0
|
||||
if chunk[0] == 0xCAC1:
|
||||
data_size = 4096 * chunk[1]
|
||||
elif chunk[0] == 0xCAC2:
|
||||
data_size = 4
|
||||
elif chunk[0] == 0xCAC3:
|
||||
pass
|
||||
else:
|
||||
assert False, "Unsupported chunk type: {}".format(chunk[0])
|
||||
|
||||
fp.write(struct.pack(
|
||||
CHUNK_HEADER_FORMAT, chunk[0], 0, chunk[1], data_size + 12))
|
||||
if data_size != 0:
|
||||
fp.write(os.urandom(data_size))
|
||||
|
||||
return sparse_image
|
||||
|
|
|
|||
Loading…
Reference in New Issue