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
  16 def dumpe2fs_run(builddir, image):
  17     cmd = ["host/sbin/dumpe2fs", os.path.join("images", image)]
  18     ret = subprocess.check_output(cmd,
  19                                   stderr=open(os.devnull, "w"),
  20                                   cwd=builddir,
  21                                   env={"LANG": "C"})
  22     return ret.strip().splitlines()
  23
  24
  25 def dumpe2fs_getprop(out, prop):
  26     for line in out:
  27         fields = line.split(": ")
  28         if fields[0] == prop:
  29             return fields[1].strip()
  30
  31
  32 def boot_img_and_check_fs_type(emulator, builddir, fs_type):
  33     img = os.path.join(builddir, "images", "rootfs.{}".format(fs_type))
  34     emulator.boot(arch="armv7",
  35                   kernel="builtin",
  36                   kernel_cmdline=["root=/dev/mmcblk0",
  37                                   "rootfstype={}".format(fs_type)],
  38                   options=["-drive", "file={},if=sd".format(img)])
  39     emulator.login()
  40     _, exit_code = emulator.run(CHECK_FS_TYPE_CMD.format(fs_type))
  41     return exit_code
  42
  43
  44 class TestExt2(infra.basetest.BRTest):
  45     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  46         """
  47         BR2_TARGET_ROOTFS_EXT2=y
  48         BR2_TARGET_ROOTFS_EXT2_2r0=y
  49         BR2_TARGET_ROOTFS_EXT2_LABEL="foobaz"
  50         # BR2_TARGET_ROOTFS_TAR is not set
  51         """
  52
  53     def test_run(self):
  54         out = dumpe2fs_run(self.builddir, "rootfs.ext2")
  55         self.assertEqual(dumpe2fs_getprop(out, VOLNAME_PROP), "foobaz")
  56         self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "0 (original)")
  57
  58         exit_code = boot_img_and_check_fs_type(self.emulator,
  59                                                self.builddir, "ext2")
  60         self.assertEqual(exit_code, 0)
  61
  62
  63 class TestExt2r1(infra.basetest.BRTest):
  64     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  65         """
  66         BR2_TARGET_ROOTFS_EXT2=y
  67         BR2_TARGET_ROOTFS_EXT2_2r1=y
  68         BR2_TARGET_ROOTFS_EXT2_LABEL="foobar"
  69         # BR2_TARGET_ROOTFS_TAR is not set
  70         """
  71
  72     def test_run(self):
  73         out = dumpe2fs_run(self.builddir, "rootfs.ext2")
  74         self.assertEqual(dumpe2fs_getprop(out, VOLNAME_PROP), "foobar")
  75         self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "1 (dynamic)")
  76         self.assertNotIn("has_journal", dumpe2fs_getprop(out, FEATURES_PROP))
  77
  78         exit_code = boot_img_and_check_fs_type(self.emulator,
  79                                                self.builddir, "ext2")
  80         self.assertEqual(exit_code, 0)
  81
  82
  83 class TestExt3(infra.basetest.BRTest):
  84     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  85         """
  86         BR2_TARGET_ROOTFS_EXT2=y
  87         BR2_TARGET_ROOTFS_EXT2_3=y
  88         # BR2_TARGET_ROOTFS_TAR is not set
  89         """
  90
  91     def test_run(self):
  92         out = dumpe2fs_run(self.builddir, "rootfs.ext3")
  93         self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "1 (dynamic)")
  94         self.assertIn("has_journal", dumpe2fs_getprop(out, FEATURES_PROP))
  95         self.assertNotIn("extent", dumpe2fs_getprop(out, FEATURES_PROP))
  96
  97         exit_code = boot_img_and_check_fs_type(self.emulator,
  98                                                self.builddir, "ext3")
  99         self.assertEqual(exit_code, 0)
 100
 101
 102 class TestExt4(infra.basetest.BRTest):
 103     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
 104         """
 105         BR2_TARGET_ROOTFS_EXT2=y
 106         BR2_TARGET_ROOTFS_EXT2_4=y
 107         BR2_TARGET_ROOTFS_EXT2_SIZE="16384"
 108         BR2_TARGET_ROOTFS_EXT2_INODES=3000
 109         BR2_TARGET_ROOTFS_EXT2_RESBLKS=10
 110         # BR2_TARGET_ROOTFS_TAR is not set
 111         """
 112
 113     def test_run(self):
 114         out = dumpe2fs_run(self.builddir, "rootfs.ext4")
 115         self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "1 (dynamic)")
 116         self.assertEqual(dumpe2fs_getprop(out, BLOCKCNT_PROP), "16384")
 117         # Yes there are 8 more inodes than requested
 118         self.assertEqual(dumpe2fs_getprop(out, INODECNT_PROP), "3008")
 119         self.assertEqual(dumpe2fs_getprop(out, RESBLKCNT_PROP), "1638")
 120         self.assertIn("has_journal", dumpe2fs_getprop(out, FEATURES_PROP))
 121         self.assertIn("extent", dumpe2fs_getprop(out, FEATURES_PROP))
 122
 123         exit_code = boot_img_and_check_fs_type(self.emulator,
 124                                                self.builddir, "ext4")
 125         self.assertEqual(exit_code, 0)