| # |
| # Copyright (C) 2017 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 filecmp |
| import os.path |
| |
| import common |
| import test_utils |
| from build_image import ( |
| BuildImageError, CheckHeadroom, GetFilesystemCharacteristics, |
| SetUpInDirAndFsConfig) |
| |
| |
| class BuildImageTest(test_utils.ReleaseToolsTestCase): |
| |
| # Available: 1000 blocks. |
| EXT4FS_OUTPUT = ( |
| "Created filesystem with 2777/129024 inodes and 515099/516099 blocks") |
| |
| def test_CheckHeadroom_SizeUnderLimit(self): |
| # Required headroom: 1000 blocks. |
| prop_dict = { |
| 'fs_type' : 'ext4', |
| 'partition_headroom' : '4096000', |
| 'mount_point' : 'system', |
| } |
| CheckHeadroom(self.EXT4FS_OUTPUT, prop_dict) |
| |
| def test_CheckHeadroom_InsufficientHeadroom(self): |
| # Required headroom: 1001 blocks. |
| prop_dict = { |
| 'fs_type' : 'ext4', |
| 'partition_headroom' : '4100096', |
| 'mount_point' : 'system', |
| } |
| self.assertRaises( |
| BuildImageError, CheckHeadroom, self.EXT4FS_OUTPUT, prop_dict) |
| |
| @test_utils.SkipIfExternalToolsUnavailable() |
| def test_CheckHeadroom_WrongFsType(self): |
| prop_dict = { |
| 'fs_type' : 'f2fs', |
| 'partition_headroom' : '4100096', |
| 'mount_point' : 'system', |
| } |
| self.assertRaises( |
| AssertionError, CheckHeadroom, self.EXT4FS_OUTPUT, prop_dict) |
| |
| def test_CheckHeadroom_MissingProperties(self): |
| prop_dict = { |
| 'fs_type' : 'ext4', |
| 'partition_headroom' : '4100096', |
| } |
| self.assertRaises( |
| AssertionError, CheckHeadroom, self.EXT4FS_OUTPUT, prop_dict) |
| |
| prop_dict = { |
| 'fs_type' : 'ext4', |
| 'mount_point' : 'system', |
| } |
| self.assertRaises( |
| AssertionError, CheckHeadroom, self.EXT4FS_OUTPUT, prop_dict) |
| |
| @test_utils.SkipIfExternalToolsUnavailable() |
| def test_CheckHeadroom_WithMke2fsOutput(self): |
| """Tests the result parsing from actual call to mke2fs.""" |
| input_dir = common.MakeTempDir() |
| output_image = common.MakeTempFile(suffix='.img') |
| command = ['mkuserimg_mke2fs', input_dir, output_image, 'ext4', |
| '/system', '409600', '-j', '0'] |
| proc = common.Run(command) |
| ext4fs_output, _ = proc.communicate() |
| self.assertEqual(0, proc.returncode) |
| |
| prop_dict = { |
| 'fs_type' : 'ext4', |
| 'partition_headroom' : '40960', |
| 'mount_point' : 'system', |
| } |
| CheckHeadroom(ext4fs_output, prop_dict) |
| |
| prop_dict = { |
| 'fs_type' : 'ext4', |
| 'partition_headroom' : '413696', |
| 'mount_point' : 'system', |
| } |
| self.assertRaises(BuildImageError, CheckHeadroom, ext4fs_output, prop_dict) |
| |
| def test_SetUpInDirAndFsConfig_SystemRootImageTrue_NonSystem(self): |
| prop_dict = { |
| 'fs_config': 'fs-config', |
| 'mount_point': 'vendor', |
| 'system_root_image': 'true', |
| } |
| in_dir, fs_config = SetUpInDirAndFsConfig('/path/to/in_dir', prop_dict) |
| self.assertEqual('/path/to/in_dir', in_dir) |
| self.assertEqual('fs-config', fs_config) |
| self.assertEqual('vendor', prop_dict['mount_point']) |
| |
| @staticmethod |
| def _gen_fs_config(partition): |
| fs_config = common.MakeTempFile(suffix='.txt') |
| with open(fs_config, 'w') as fs_config_fp: |
| fs_config_fp.write('fs-config-{}\n'.format(partition)) |
| return fs_config |
| |
| def test_SetUpInDirAndFsConfig(self): |
| root_dir = common.MakeTempDir() |
| with open(os.path.join(root_dir, 'init'), 'w') as init_fp: |
| init_fp.write('init') |
| |
| origin_in = common.MakeTempDir() |
| with open(os.path.join(origin_in, 'file'), 'w') as in_fp: |
| in_fp.write('system-file') |
| os.symlink('../etc', os.path.join(origin_in, 'symlink')) |
| |
| fs_config_system = self._gen_fs_config('system') |
| |
| prop_dict = { |
| 'fs_config': fs_config_system, |
| 'mount_point': 'system', |
| 'root_dir': root_dir, |
| } |
| in_dir, fs_config = SetUpInDirAndFsConfig(origin_in, prop_dict) |
| |
| self.assertTrue(filecmp.cmp( |
| os.path.join(in_dir, 'init'), os.path.join(root_dir, 'init'))) |
| self.assertTrue(filecmp.cmp( |
| os.path.join(in_dir, 'system', 'file'), |
| os.path.join(origin_in, 'file'))) |
| self.assertTrue(os.path.islink(os.path.join(in_dir, 'system', 'symlink'))) |
| |
| self.assertTrue(filecmp.cmp(fs_config_system, fs_config)) |
| self.assertEqual('/', prop_dict['mount_point']) |
| |
| def test_SetUpInDirAndFsConfig_WithRootFsConfig(self): |
| root_dir = common.MakeTempDir() |
| with open(os.path.join(root_dir, 'init'), 'w') as init_fp: |
| init_fp.write('init') |
| |
| origin_in = common.MakeTempDir() |
| with open(os.path.join(origin_in, 'file'), 'w') as in_fp: |
| in_fp.write('system-file') |
| os.symlink('../etc', os.path.join(origin_in, 'symlink')) |
| |
| fs_config_system = self._gen_fs_config('system') |
| fs_config_root = self._gen_fs_config('root') |
| |
| prop_dict = { |
| 'fs_config': fs_config_system, |
| 'mount_point': 'system', |
| 'root_dir': root_dir, |
| 'root_fs_config': fs_config_root, |
| } |
| in_dir, fs_config = SetUpInDirAndFsConfig(origin_in, prop_dict) |
| |
| self.assertTrue(filecmp.cmp( |
| os.path.join(in_dir, 'init'), os.path.join(root_dir, 'init'))) |
| self.assertTrue(filecmp.cmp( |
| os.path.join(in_dir, 'system', 'file'), |
| os.path.join(origin_in, 'file'))) |
| self.assertTrue(os.path.islink(os.path.join(in_dir, 'system', 'symlink'))) |
| |
| with open(fs_config) as fs_config_fp: |
| fs_config_data = fs_config_fp.readlines() |
| self.assertIn('fs-config-system\n', fs_config_data) |
| self.assertIn('fs-config-root\n', fs_config_data) |
| self.assertEqual('/', prop_dict['mount_point']) |
| |
| @test_utils.SkipIfExternalToolsUnavailable() |
| def test_GetFilesystemCharacteristics(self): |
| input_dir = common.MakeTempDir() |
| output_image = common.MakeTempFile(suffix='.img') |
| command = ['mkuserimg_mke2fs', input_dir, output_image, 'ext4', |
| '/system', '409600', '-j', '0'] |
| proc = common.Run(command) |
| proc.communicate() |
| self.assertEqual(0, proc.returncode) |
| |
| output_file = common.MakeTempFile(suffix='.img') |
| cmd = ["img2simg", output_image, output_file] |
| p = common.Run(cmd) |
| p.communicate() |
| self.assertEqual(0, p.returncode) |
| |
| fs_dict = GetFilesystemCharacteristics(output_file) |
| self.assertEqual(int(fs_dict['Block size']), 4096) |
| self.assertGreaterEqual(int(fs_dict['Free blocks']), 0) # expect ~88 |
| self.assertGreater(int(fs_dict['Inode count']), 0) # expect ~64 |
| self.assertGreaterEqual(int(fs_dict['Free inodes']), 0) # expect ~53 |
| self.assertGreater(int(fs_dict['Inode count']), int(fs_dict['Free inodes'])) |