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

57 lines
2.1 KiB
Python

import os
import infra.basetest
class TestBtrfs(infra.basetest.BRTest):
kern_frag = \
infra.filepath("tests/fs/test_btrfs/linux-btrfs.fragment")
btrfs_label = "BR_TEST"
config = \
f"""
BR2_aarch64=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_VERSION=y
BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.6.39"
BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/aarch64-virt/linux.config"
BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="{kern_frag}"
BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
BR2_PACKAGE_BTRFS_PROGS=y
BR2_TARGET_ROOTFS_BTRFS=y
BR2_TARGET_ROOTFS_BTRFS_LABEL="{btrfs_label}"
# BR2_TARGET_ROOTFS_TAR is not set
"""
def test_run(self):
disk = os.path.join(self.builddir, "images", "rootfs.btrfs")
kern = os.path.join(self.builddir, "images", "Image")
bootargs = ["root=/dev/vda", "console=ttyAMA0"]
qemu_opts = ["-M", "virt", "-cpu", "cortex-a57", "-m", "256M",
"-drive", f"file={disk},if=virtio,format=raw"]
self.emulator.boot(arch="aarch64",
kernel=kern,
kernel_cmdline=bootargs,
options=qemu_opts)
self.emulator.login()
# We check our root filesystem is in btrfs format.
cmd = "mount | grep '/dev/root on / type btrfs'"
self.assertRunOk(cmd)
# We show the root filesystem info with btrfs-progs, using the
# target btrfs-progs.
self.assertRunOk("btrfs filesystem show /")
# We query the label and check it is the one from the
# Buildroot config.
out, ret = self.emulator.run("btrfs filesystem label /")
self.assertEqual(ret, 0)
self.assertEqual(out[0], self.btrfs_label)
# We try to write data on the root filesystem.
self.assertRunOk("echo 'Hello Buildroot' > /root/file.txt")
self.assertRunOk("sync")