205 lines
6.9 KiB
Python
205 lines
6.9 KiB
Python
#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import filecmp
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import os.path
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import common
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import test_utils
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from build_image import (
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BuildImageError, CheckHeadroom, GetFilesystemCharacteristics,
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SetUpInDirAndFsConfig)
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class BuildImageTest(test_utils.ReleaseToolsTestCase):
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# Available: 1000 blocks.
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EXT4FS_OUTPUT = (
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"Created filesystem with 2777/129024 inodes and 515099/516099 blocks")
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def test_CheckHeadroom_SizeUnderLimit(self):
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# Required headroom: 1000 blocks.
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prop_dict = {
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'fs_type' : 'ext4',
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'partition_headroom' : '4096000',
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'mount_point' : 'system',
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}
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CheckHeadroom(self.EXT4FS_OUTPUT, prop_dict)
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def test_CheckHeadroom_InsufficientHeadroom(self):
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# Required headroom: 1001 blocks.
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prop_dict = {
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'fs_type' : 'ext4',
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'partition_headroom' : '4100096',
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'mount_point' : 'system',
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}
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self.assertRaises(
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BuildImageError, CheckHeadroom, self.EXT4FS_OUTPUT, prop_dict)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_CheckHeadroom_WrongFsType(self):
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prop_dict = {
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'fs_type' : 'f2fs',
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'partition_headroom' : '4100096',
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'mount_point' : 'system',
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}
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self.assertRaises(
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AssertionError, CheckHeadroom, self.EXT4FS_OUTPUT, prop_dict)
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def test_CheckHeadroom_MissingProperties(self):
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prop_dict = {
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'fs_type' : 'ext4',
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'partition_headroom' : '4100096',
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}
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self.assertRaises(
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AssertionError, CheckHeadroom, self.EXT4FS_OUTPUT, prop_dict)
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prop_dict = {
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'fs_type' : 'ext4',
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'mount_point' : 'system',
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}
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self.assertRaises(
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AssertionError, CheckHeadroom, self.EXT4FS_OUTPUT, prop_dict)
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_CheckHeadroom_WithMke2fsOutput(self):
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"""Tests the result parsing from actual call to mke2fs."""
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input_dir = common.MakeTempDir()
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output_image = common.MakeTempFile(suffix='.img')
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command = ['mkuserimg_mke2fs', input_dir, output_image, 'ext4',
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'/system', '409600', '-j', '0']
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proc = common.Run(command)
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ext4fs_output, _ = proc.communicate()
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self.assertEqual(0, proc.returncode)
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prop_dict = {
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'fs_type' : 'ext4',
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'partition_headroom' : '40960',
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'mount_point' : 'system',
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}
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CheckHeadroom(ext4fs_output, prop_dict)
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prop_dict = {
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'fs_type' : 'ext4',
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'partition_headroom' : '413696',
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'mount_point' : 'system',
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}
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self.assertRaises(BuildImageError, CheckHeadroom, ext4fs_output, prop_dict)
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def test_SetUpInDirAndFsConfig_SystemRootImageTrue_NonSystem(self):
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prop_dict = {
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'fs_config': 'fs-config',
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'mount_point': 'vendor',
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'system_root_image': 'true',
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}
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in_dir, fs_config = SetUpInDirAndFsConfig('/path/to/in_dir', prop_dict)
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self.assertEqual('/path/to/in_dir', in_dir)
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self.assertEqual('fs-config', fs_config)
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self.assertEqual('vendor', prop_dict['mount_point'])
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@staticmethod
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def _gen_fs_config(partition):
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fs_config = common.MakeTempFile(suffix='.txt')
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with open(fs_config, 'w') as fs_config_fp:
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fs_config_fp.write('fs-config-{}\n'.format(partition))
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return fs_config
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def test_SetUpInDirAndFsConfig(self):
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root_dir = common.MakeTempDir()
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with open(os.path.join(root_dir, 'init'), 'w') as init_fp:
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init_fp.write('init')
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origin_in = common.MakeTempDir()
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with open(os.path.join(origin_in, 'file'), 'w') as in_fp:
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in_fp.write('system-file')
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os.symlink('../etc', os.path.join(origin_in, 'symlink'))
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fs_config_system = self._gen_fs_config('system')
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prop_dict = {
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'fs_config': fs_config_system,
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'mount_point': 'system',
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'root_dir': root_dir,
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}
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in_dir, fs_config = SetUpInDirAndFsConfig(origin_in, prop_dict)
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self.assertTrue(filecmp.cmp(
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os.path.join(in_dir, 'init'), os.path.join(root_dir, 'init')))
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self.assertTrue(filecmp.cmp(
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os.path.join(in_dir, 'system', 'file'),
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os.path.join(origin_in, 'file')))
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self.assertTrue(os.path.islink(os.path.join(in_dir, 'system', 'symlink')))
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self.assertTrue(filecmp.cmp(fs_config_system, fs_config))
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self.assertEqual('/', prop_dict['mount_point'])
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def test_SetUpInDirAndFsConfig_WithRootFsConfig(self):
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root_dir = common.MakeTempDir()
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with open(os.path.join(root_dir, 'init'), 'w') as init_fp:
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init_fp.write('init')
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origin_in = common.MakeTempDir()
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with open(os.path.join(origin_in, 'file'), 'w') as in_fp:
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in_fp.write('system-file')
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os.symlink('../etc', os.path.join(origin_in, 'symlink'))
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fs_config_system = self._gen_fs_config('system')
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fs_config_root = self._gen_fs_config('root')
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prop_dict = {
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'fs_config': fs_config_system,
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'mount_point': 'system',
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'root_dir': root_dir,
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'root_fs_config': fs_config_root,
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}
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in_dir, fs_config = SetUpInDirAndFsConfig(origin_in, prop_dict)
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self.assertTrue(filecmp.cmp(
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os.path.join(in_dir, 'init'), os.path.join(root_dir, 'init')))
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self.assertTrue(filecmp.cmp(
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os.path.join(in_dir, 'system', 'file'),
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os.path.join(origin_in, 'file')))
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self.assertTrue(os.path.islink(os.path.join(in_dir, 'system', 'symlink')))
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with open(fs_config) as fs_config_fp:
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fs_config_data = fs_config_fp.readlines()
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self.assertIn('fs-config-system\n', fs_config_data)
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self.assertIn('fs-config-root\n', fs_config_data)
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self.assertEqual('/', prop_dict['mount_point'])
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@test_utils.SkipIfExternalToolsUnavailable()
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def test_GetFilesystemCharacteristics(self):
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input_dir = common.MakeTempDir()
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output_image = common.MakeTempFile(suffix='.img')
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command = ['mkuserimg_mke2fs', input_dir, output_image, 'ext4',
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'/system', '409600', '-j', '0']
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proc = common.Run(command)
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proc.communicate()
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self.assertEqual(0, proc.returncode)
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output_file = common.MakeTempFile(suffix='.img')
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cmd = ["img2simg", output_image, output_file]
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p = common.Run(cmd)
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p.communicate()
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self.assertEqual(0, p.returncode)
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fs_dict = GetFilesystemCharacteristics(output_file)
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self.assertEqual(int(fs_dict['Block size']), 4096)
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self.assertGreaterEqual(int(fs_dict['Free blocks']), 0) # expect ~88
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self.assertGreater(int(fs_dict['Inode count']), 0) # expect ~64
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self.assertGreaterEqual(int(fs_dict['Free inodes']), 0) # expect ~53
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self.assertGreater(int(fs_dict['Inode count']), int(fs_dict['Free inodes']))
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