From 95117cbd4a4dd45c9d2bfdd6a4197e3359ed0bb5 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.com>
Date: Fri, 15 Nov 2019 15:00:15 +0100
Subject: [PATCH] btrfs-progs: tests: add tests for checksums

Add separate tests for basic coverage of new checksum algorithms. It
comes in two parts to do a full mkfs test and also a condition mount
test.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 .../019-basic-checksums-mkfs/test.sh          | 26 +++++++++++++++
 .../020-basic-checksums-mount/test.sh         | 33 +++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100755 tests/mkfs-tests/019-basic-checksums-mkfs/test.sh
 create mode 100755 tests/mkfs-tests/020-basic-checksums-mount/test.sh

diff --git a/tests/mkfs-tests/019-basic-checksums-mkfs/test.sh b/tests/mkfs-tests/019-basic-checksums-mkfs/test.sh
new file mode 100755
index 00000000..61562942
--- /dev/null
+++ b/tests/mkfs-tests/019-basic-checksums-mkfs/test.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+#
+# Test creating images with all supported checksums, mount checks are separate
+
+source "$TEST_TOP/common"
+
+check_prereq mkfs.btrfs
+check_prereq btrfs
+
+setup_root_helper
+prepare_test_dev
+
+test_mkfs_checksum()
+{
+	local csum
+
+	csum="$1"
+	run_check_stdout $SUDO_HELPER "$TOP/mkfs.btrfs" -f --csum "$csum" "$TEST_DEV" | grep -q "Checksum:.*$csum"
+	run_check $SUDO_HELPER "$TOP/btrfs" inspect-internal dump-super "$TEST_DEV"
+	run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
+}
+
+test_mkfs_checksum crc32c
+test_mkfs_checksum xxhash
+test_mkfs_checksum sha256
+test_mkfs_checksum blake2
diff --git a/tests/mkfs-tests/020-basic-checksums-mount/test.sh b/tests/mkfs-tests/020-basic-checksums-mount/test.sh
new file mode 100755
index 00000000..41ef5417
--- /dev/null
+++ b/tests/mkfs-tests/020-basic-checksums-mount/test.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+#
+# Test creating images with all supported checksums followed by mount
+
+source "$TEST_TOP/common"
+
+check_prereq mkfs.btrfs
+check_prereq btrfs
+
+setup_root_helper
+prepare_test_dev
+
+test_mkfs_mount_checksum()
+{
+	run_check_stdout $SUDO_HELPER "$TOP/mkfs.btrfs" -f --csum "$csum" "$TEST_DEV" | grep -q "Checksum:.*$csum"
+	run_check $SUDO_HELPER "$TOP/btrfs" inspect-internal dump-super "$TEST_DEV"
+	run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
+
+	run_check $SUDO_HELPER mount "$dev1" "$TEST_MNT"
+	run_check "$TOP/btrfs" filesystem df "$TEST_MNT"
+	run_check $SUDO_HELPER "$TOP/btrfs" filesystem usage "$TEST_MNT"
+	run_check $SUDO_HELPER "$TOP/btrfs" device usage "$TEST_MNT"
+	run_check $SUDO_HELPER umount "$TEST_MNT"
+}
+
+if ! [ -f "/sys/fs/btrfs/features/supported_checksums" ]; then
+	_not_run "kernel support for checksums missing"
+fi
+
+test_mkfs_mount_checksum crc32c
+test_mkfs_mount_checksum xxhash
+test_mkfs_mount_checksum sha256
+test_mkfs_mount_checksum blake2