support/testing/tests/fs/test_ext.py

   1 import os
   2 import subprocess
   3
   4 import infra.basetest
   5
   6 VOLNAME_PROP = "Filesystem volume name"
   7 REVISION_PROP = "Filesystem revision #"
   8 FEATURES_PROP = "Filesystem features"
   9 BLOCKCNT_PROP = "Block count"
  10 INODECNT_PROP = "Inode count"
  11 RESBLKCNT_PROP = "Reserved block count"
  12
  13 CHECK_FS_TYPE_CMD = "mount | grep '/dev/root on / type {}'"
  14
  15 def dumpe2fs_run(builddir, image):
  16     cmd = ["host/sbin/dumpe2fs", os.path.join("images", image)]
  17     ret = subprocess.check_output(cmd,
  18                                   stderr=open(os.devnull, "w"),
  19                                   cwd=builddir,
  20                                   env={"LANG": "C"})
  21     return ret.strip().splitlines()
  22
  23 def dumpe2fs_getprop(out, prop):
  24     for line in out:
  25         fields = line.split(": ")
  26         if fields[0] == prop:
  27             return fields[1].strip()
  28
  29 def boot_img_and_check_fs_type(emulator, builddir, fs_type):
  30     img = os.path.join(builddir, "images", "rootfs.{}".format(fs_type))
  31     emulator.boot(arch="armv7",
  32                   kernel="builtin",
  33                   kernel_cmdline=["root=/dev/mmcblk0",
  34                                   "rootfstype={}".format(fs_type)],
  35                   options=["-drive", "file={},if=sd".format(img)])
  36     emulator.login()
  37     _, exit_code = emulator.run(CHECK_FS_TYPE_CMD.format(fs_type))
  38     return exit_code
  39
  40 class TestExt2(infra.basetest.BRTest):
  41     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  42         """
  43         BR2_TARGET_ROOTFS_EXT2=y
  44         BR2_TARGET_ROOTFS_EXT2_2r0=y
  45         BR2_TARGET_ROOTFS_EXT2_LABEL="foobaz"
  46         # BR2_TARGET_ROOTFS_TAR is not set
  47         """
  48
  49     def test_run(self):
  50         out = dumpe2fs_run(self.builddir, "rootfs.ext2")
  51         self.assertEqual(dumpe2fs_getprop(out, VOLNAME_PROP), "foobaz")
  52         self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "0 (original)")
  53
  54         exit_code = boot_img_and_check_fs_type(self.emulator,
  55                                                self.builddir, "ext2")
  56         self.assertEqual(exit_code, 0)
  57
  58 class TestExt2r1(infra.basetest.BRTest):
  59     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  60         """
  61         BR2_TARGET_ROOTFS_EXT2=y
  62         BR2_TARGET_ROOTFS_EXT2_2r1=y
  63         BR2_TARGET_ROOTFS_EXT2_LABEL="foobar"
  64         # BR2_TARGET_ROOTFS_TAR is not set
  65         """
  66
  67     def test_run(self):
  68         out = dumpe2fs_run(self.builddir, "rootfs.ext2")
  69         self.assertEqual(dumpe2fs_getprop(out, VOLNAME_PROP), "foobar")
  70         self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "1 (dynamic)")
  71         self.assertNotIn("has_journal", dumpe2fs_getprop(out, FEATURES_PROP))
  72
  73         exit_code = boot_img_and_check_fs_type(self.emulator,
  74                                                self.builddir, "ext2")
  75         self.assertEqual(exit_code, 0)
  76
  77 class TestExt3(infra.basetest.BRTest):
  78     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  79         """
  80         BR2_TARGET_ROOTFS_EXT2=y
  81         BR2_TARGET_ROOTFS_EXT2_3=y
  82         # BR2_TARGET_ROOTFS_TAR is not set
  83         """
  84
  85     def test_run(self):
  86         out = dumpe2fs_run(self.builddir, "rootfs.ext3")
  87         self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "1 (dynamic)")
  88         self.assertIn("has_journal", dumpe2fs_getprop(out, FEATURES_PROP))
  89         self.assertNotIn("extent", dumpe2fs_getprop(out, FEATURES_PROP))
  90
  91         exit_code = boot_img_and_check_fs_type(self.emulator,
  92                                                self.builddir, "ext3")
  93         self.assertEqual(exit_code, 0)
  94
  95 class TestExt4(infra.basetest.BRTest):
  96     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  97         """
  98         BR2_TARGET_ROOTFS_EXT2=y
  99         BR2_TARGET_ROOTFS_EXT2_4=y
 100         BR2_TARGET_ROOTFS_EXT2_SIZE="16384"
 101         BR2_TARGET_ROOTFS_EXT2_INODES=3000
 102         BR2_TARGET_ROOTFS_EXT2_RESBLKS=10
 103         # BR2_TARGET_ROOTFS_TAR is not set
 104         """
 105
 106     def test_run(self):
 107         out = dumpe2fs_run(self.builddir, "rootfs.ext4")
 108         self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "1 (dynamic)")
 109         self.assertEqual(dumpe2fs_getprop(out, BLOCKCNT_PROP), "16384")
 110         # Yes there are 8 more inodes than requested
 111         self.assertEqual(dumpe2fs_getprop(out, INODECNT_PROP), "3008")
 112         self.assertEqual(dumpe2fs_getprop(out, RESBLKCNT_PROP), "1638")
 113         self.assertIn("has_journal", dumpe2fs_getprop(out, FEATURES_PROP))
 114         self.assertIn("extent", dumpe2fs_getprop(out, FEATURES_PROP))
 115
 116         exit_code = boot_img_and_check_fs_type(self.emulator,
 117                                                self.builddir, "ext4")
 118         self.assertEqual(exit_code, 0)
 119
 120