| 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 |
