support/testing/tests/fs/test_jffs2.py

   1 import os
   2 import subprocess
   3
   4 import infra.basetest
   5
   6 def jffs2dump_find_file(files_list, fname):
   7     for file_name in files_list:
   8         file_name = file_name.strip()
   9         if file_name.startswith("Dirent") and file_name.endswith(fname):
  10             return True
  11     return False
  12
  13 class TestJffs2(infra.basetest.BRTest):
  14     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  15         """
  16         BR2_TARGET_ROOTFS_JFFS2=y
  17         BR2_TARGET_ROOTFS_JFFS2_CUSTOM=y
  18         BR2_TARGET_ROOTFS_JFFS2_CUSTOM_EBSIZE=0x80000
  19         BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER=y
  20         BR2_TARGET_ROOTFS_JFFS2_PAD=y
  21         BR2_TARGET_ROOTFS_JFFS2_PADSIZE=0x4000000
  22         # BR2_TARGET_ROOTFS_TAR is not set
  23         """
  24
  25     # TODO: there are some scary JFFS2 messages when one starts to
  26     # write files in the rootfs: "jffs2: Newly-erased block contained
  27     # word 0x0 at offset 0x046c0000". To be investigated.
  28
  29     def test_run(self):
  30         img = os.path.join(self.builddir, "images", "rootfs.jffs2")
  31         out = subprocess.check_output(["host/sbin/jffs2dump", "-c", img],
  32                                       cwd=self.builddir,
  33                                       env={"LANG": "C"})
  34         out = out.splitlines()
  35         self.assertTrue(jffs2dump_find_file(out, "busybox"))
  36
  37         self.emulator.boot(arch="armv7",
  38                            kernel="builtin",
  39                            kernel_cmdline=["root=/dev/mtdblock0",
  40                                            "rootfstype=jffs2"],
  41                            options=["-drive", "file={},if=pflash".format(img)])
  42         self.emulator.login()
  43         cmd = "mount | grep '/dev/root on / type jffs2'"
  44         _, exit_code = self.emulator.run(cmd)
  45         self.assertEqual(exit_code, 0)