buildroot/support/testing/tests/package/test_zerofree.py

42 lines
1.5 KiB
Python

import os
import infra.basetest
import subprocess
class TestZerofree(infra.basetest.BRTest):
config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
"""
BR2_PACKAGE_ZEROFREE=y
BR2_TARGET_ROOTFS_CPIO=y
# BR2_TARGET_ROOTFS_TAR is not set
"""
def test_run(self):
# Prepare disk image.
# We keep it small (8 MB) for the sake of test time.
disk_file = os.path.join(self.outputdir, "disk.img")
subprocess.check_call(
["dd", "if=/dev/zero", f"of={disk_file}", "bs=1M", "count=8"],
stdout=self.emulator.logfile,
stderr=self.emulator.logfile)
# Run the emulator with a drive.
cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
self.emulator.boot(arch="armv5",
kernel="builtin",
options=[
"-initrd", cpio_file,
"-drive", f"file={disk_file},format=raw"])
self.emulator.login()
# Prepare filesystem.
output, exit_code = self.emulator.run("mkfs.ext4 /dev/sda")
self.assertEqual(exit_code, 0)
self.assertIn('Creating filesystem', output[2])
# Run zerofree on newly created filesystem.
cmd = "zerofree -v /dev/sda"
output, exit_code = self.emulator.run(cmd, timeout=60)
self.assertEqual(exit_code, 0)
self.assertIn('/8192', output[-1]) # total number of blocks