* [Buildroot] [PATCH 1/1] support/testing: new btrfs-progs runtime test
@ 2024-07-13 17:31 Julien Olivain
2024-07-14 15:36 ` Thomas Petazzoni via buildroot
2024-08-12 20:48 ` Peter Korsgaard
0 siblings, 2 replies; 3+ messages in thread
From: Julien Olivain @ 2024-07-13 17:31 UTC (permalink / raw)
To: buildroot; +Cc: Julien Olivain
Signed-off-by: Julien Olivain <ju.o@free.fr>
---
DEVELOPERS | 2 +
.../testing/tests/package/test_btrfs_progs.py | 127 ++++++++++++++++++
.../test_btrfs_progs/linux-btrfs.fragment | 1 +
3 files changed, 130 insertions(+)
create mode 100644 support/testing/tests/package/test_btrfs_progs.py
create mode 100644 support/testing/tests/package/test_btrfs_progs/linux-btrfs.fragment
diff --git a/DEVELOPERS b/DEVELOPERS
index fe3247273e..c62ba1c8db 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -1816,6 +1816,8 @@ F: support/testing/tests/package/test_bcc.py
F: support/testing/tests/package/test_bcc/
F: support/testing/tests/package/test_bitcoin.py
F: support/testing/tests/package/test_brotli.py
+F: support/testing/tests/package/test_btrfs_progs.py
+F: support/testing/tests/package/test_btrfs_progs/
F: support/testing/tests/package/test_bzip2.py
F: support/testing/tests/package/test_compressor_base.py
F: support/testing/tests/package/test_coremark.py
diff --git a/support/testing/tests/package/test_btrfs_progs.py b/support/testing/tests/package/test_btrfs_progs.py
new file mode 100644
index 0000000000..a53efa9438
--- /dev/null
+++ b/support/testing/tests/package/test_btrfs_progs.py
@@ -0,0 +1,127 @@
+import os
+import subprocess
+
+import infra.basetest
+
+
+class TestBtrfsProgs(infra.basetest.BRTest):
+ # This test needs a Kernel with btrfs support.
+ kern_frag = \
+ infra.filepath("tests/package/test_btrfs_progs/linux-btrfs.fragment")
+ 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_CPIO=y
+ BR2_TARGET_ROOTFS_CPIO_GZIP=y
+ # BR2_TARGET_ROOTFS_TAR is not set
+ """
+
+ def test_run(self):
+ # Prepare the disk image.
+ disk_file = os.path.join(self.builddir, "images", "disk.img")
+ self.emulator.logfile.write(f"Creating disk image: {disk_file}")
+ self.emulator.logfile.flush()
+ subprocess.check_call(
+ ["dd", "if=/dev/zero", f"of={disk_file}", "bs=1M", "count=256"],
+ stdout=self.emulator.logfile,
+ stderr=self.emulator.logfile)
+
+ # Run the emulator with a blank drive.
+ img = os.path.join(self.builddir, "images", "rootfs.cpio.gz")
+ kern = os.path.join(self.builddir, "images", "Image")
+ bootargs = ["console=ttyAMA0"]
+ qemu_opts = ["-M", "virt", "-cpu", "cortex-a57", "-m", "256M",
+ "-initrd", img,
+ "-drive", f"file={disk_file},if=virtio,format=raw"]
+ self.emulator.boot(arch="aarch64",
+ kernel=kern,
+ kernel_cmdline=bootargs,
+ options=qemu_opts)
+ self.emulator.login()
+
+ # Check a program can run and show its version.
+ self.assertRunOk("btrfs --version")
+
+ # Variables for this test.
+ dev = "/dev/vda"
+ label = "BR_TEST"
+ mnt_pt = "/tmp/btrfs"
+ data_file = f"{mnt_pt}/data.bin"
+ txt = "Hello Buildroot!"
+ subvol = f"{mnt_pt}/my-subvolume"
+ snapshot = f"{mnt_pt}/my-snapshot"
+
+ # We create the btrfs filesystem on our device.
+ self.assertRunOk(f"mkfs.btrfs {dev}", timeout=10)
+
+ # We set a label on this filesystem.
+ self.assertRunOk(f"btrfs filesystem label {dev} '{label}'")
+
+ # We create a mount point and mount this filesystem.
+ self.assertRunOk(f"mkdir -p {mnt_pt}")
+ self.assertRunOk(f"mount {dev} {mnt_pt}")
+
+ # We create a file with random data, to use this new
+ # filesystem a bit.
+ self.assertRunOk(f"dd if=/dev/urandom of={data_file} bs=1M count=10")
+
+ # We compute the sha256 hash and save it for later.
+ hash_cmd = f"sha256sum {data_file}"
+ out, ret = self.emulator.run(hash_cmd)
+ self.assertEqual(ret, 0)
+ data_sha256 = out[0]
+
+ # We unmount the filesystem.
+ self.assertRunOk(f"umount {mnt_pt}")
+
+ # We run a filesystem check (this tool is the equivalent of
+ # "fsck"). Since we cleanly unmounted the filesystem,
+ # we are not expecting any repair. This is just to test the
+ # program works correctly.
+ self.assertRunOk(f"btrfs check {dev}")
+
+ # We query the label and check it is the one we set at the
+ # beginning.
+ out, ret = self.emulator.run(f"btrfs filesystem label {dev}")
+ self.assertEqual(ret, 0)
+ self.assertEqual(out[0], label)
+
+ # We remount our filesystem.
+ self.assertRunOk(f"mount {dev} {mnt_pt}")
+
+ # We perform a scrub in foreground.
+ self.assertRunOk(f"btrfs scrub start -B {mnt_pt}")
+
+ # We show device usage and statistics.
+ self.assertRunOk(f"btrfs device usage {mnt_pt}")
+ self.assertRunOk(f"btrfs device stats {mnt_pt}")
+
+ # We create a btrfs subvolume and create a file in it.
+ self.assertRunOk(f"btrfs subvolume create {subvol}")
+ self.assertRunOk(f"echo '{txt}' > {subvol}/file.txt")
+
+ # We create a read-only snapshot of this subvolume and we
+ # delete our file previously created.
+ self.assertRunOk(f"btrfs subvolume snapshot -r {subvol} {snapshot}")
+ self.assertRunOk(f"rm -f {subvol}/file.txt")
+
+ # We should still see our file in our snapshot.
+ out, ret = self.emulator.run(f"cat {snapshot}/file.txt")
+ self.assertEqual(ret, 0)
+ self.assertEqual(out[0], txt)
+
+ # We should recompute the same sha256 hash as before, on the
+ # first data file we created at the beginning.
+ out, ret = self.emulator.run(hash_cmd)
+ self.assertEqual(ret, 0)
+ self.assertEqual(out[0], data_sha256)
diff --git a/support/testing/tests/package/test_btrfs_progs/linux-btrfs.fragment b/support/testing/tests/package/test_btrfs_progs/linux-btrfs.fragment
new file mode 100644
index 0000000000..605c1837e1
--- /dev/null
+++ b/support/testing/tests/package/test_btrfs_progs/linux-btrfs.fragment
@@ -0,0 +1 @@
+CONFIG_BTRFS_FS=y
--
2.45.2
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2024-07-13 17:31 [Buildroot] [PATCH 1/1] support/testing: new btrfs-progs runtime test Julien Olivain
2024-07-14 15:36 ` Thomas Petazzoni via buildroot
2024-08-12 20:48 ` Peter Korsgaard
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