buildroot/support/testing/tests/fs/test_squashfs.py

58 lines
2.0 KiB
Python

import os
import infra.basetest
class TestSquashfs(infra.basetest.BRTest):
config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
"""
BR2_TARGET_ROOTFS_SQUASHFS=y
BR2_TARGET_ROOTFS_SQUASHFS4_LZO=y
# BR2_TARGET_ROOTFS_TAR is not set
"""
expected_blocksize_in_bytes = 128*1024
def test_run(self):
unsquashfs_cmd = ["host/bin/unsquashfs", "-s", "images/rootfs.squashfs"]
out = infra.run_cmd_on_host(self.builddir, unsquashfs_cmd)
out = out.splitlines()
self.assertEqual(out[0],
"Found a valid SQUASHFS 4:0 superblock on images/rootfs.squashfs.")
self.assertEqual(out[3], "Compression lzo")
self.assertEqual(out[4], "Block size {}".format(self.expected_blocksize_in_bytes))
img = os.path.join(self.builddir, "images", "rootfs.squashfs")
infra.img_round_power2(img)
self.emulator.boot(arch="armv7",
kernel="builtin",
kernel_cmdline=["root=/dev/mmcblk0",
"rootfstype=squashfs"],
options=["-drive", "file={},if=sd,format=raw".format(img)])
self.emulator.login()
cmd = "mount | grep '/dev/root on / type squashfs'"
self.assertRunOk(cmd)
class TestSquashfsMinBlocksize(TestSquashfs):
config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
"""
BR2_TARGET_ROOTFS_SQUASHFS=y
BR2_TARGET_ROOTFS_SQUASHFS_BS_4K=y
BR2_TARGET_ROOTFS_SQUASHFS4_LZO=y
# BR2_TARGET_ROOTFS_TAR is not set
"""
expected_blocksize_in_bytes = 4*1024
class TestSquashfsMaxBlocksize(TestSquashfs):
config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
"""
BR2_TARGET_ROOTFS_SQUASHFS=y
BR2_TARGET_ROOTFS_SQUASHFS_BS_1024K=y
BR2_TARGET_ROOTFS_SQUASHFS4_LZO=y
# BR2_TARGET_ROOTFS_TAR is not set
"""
expected_blocksize_in_bytes = 1024*1024