blob: 74d45ebc74891e412c21db1c931083473bc03dc3 [file] [log] [blame] [edit]
#!/bin/bash
# Copyright 2010 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Simple functional test harness for rootdev
# TODO(wad) rootdev should be rewritten in C++ and gmocked.
set -u
warn () {
echo "WARN: $@" 1>&2
}
error () {
echo "ERROR: $@" 1>&2
exit 1
}
PASS_COUNT=0
pass () {
echo "PASS:$1" 1>&2
PASS_COUNT=$((PASS_COUNT + 1))
return 0
}
FAIL_COUNT=0
fail () {
echo "FAIL:$1" 1>&2
FAIL_COUNT=$((FAIL_COUNT + 1))
return 0
}
WORKDIR=
cleanup () {
if [ -n "$WORKDIR" ]; then
rm -rf "$WORKDIR"
fi
trap - EXIT
}
setup () {
WORKDIR=$(mktemp -d rootdev_test.XXXXXXX)
if [ ! -d "$WORKDIR" ]; then
error "Failed to create temporary work dir"
fi
trap cleanup EXIT
}
run_test () {
setup
echo "RUN:$1" 1>&2
eval $1
ret=$?
cleanup
if [ $ret -eq 0 ]; then
pass $1
else
fail $1
fi
}
expect () {
cond="$1"
eval test $1
if [ $? -ne 0 ]; then
warn "expect: $1"
return 1
fi
return 0
}
ROOTDEV=${1:-./rootdev}
if [[ ! -e ${ROOTDEV} ]]; then
error "could not find rootdev '${ROOTDEV}'"
fi
if [ "${USER:-}" != "root" ]; then
error "Must be run as root to use mknod (${USER:-})"
fi
t00_bad_sys_dir () {
out=$("${ROOTDEV}" --block $WORKDIR 2>/dev/null)
expect "$? -ne 0" || return 1
expect "-z '$out'" || return 1
}
run_test t00_bad_sys_dir
h00_setup_sda_tree() {
local block=$1
local dev=$2
mkdir -p $block
mkdir -p $dev
mkdir -p $block/sda/sda1
mkdir -p $block/sda/sda2
echo "10:0" > $block/sda/dev
echo "10:1" > $block/sda/sda1/dev
echo "10:2" > $block/sda/sda2/dev
mknod $dev/sda1 b 10 1
mknod $dev/sda2 b 10 2
mknod $dev/sda b 10 0
}
t01_sys_dev_match () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
out=$("${ROOTDEV}" --dev $dev --block $block --major 10 --minor 1 2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/sda1' = '$out'" || return 1
}
run_test t01_sys_dev_match
t02_sys_dev_match_block () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
out=$("${ROOTDEV}" --dev $dev --block $block --major 10 --minor 0 2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/sda' = '$out'" || return 1
}
run_test t02_sys_dev_match_block
t03_sys_dev_match_block_no_dev () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
rm $dev/sda
out=$("${ROOTDEV}" --dev $dev --block $block --major 10 --minor 0 2>/dev/null)
expect "$? -eq 1" || return 1
expect "'$dev/sda' = '$out'" || return 1
}
run_test t03_sys_dev_match_block_no_dev
t04_sys_dev_match_block_no_dev_ignore () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
rm $dev/sda
out=$("${ROOTDEV}" -i --dev $dev --block $block --major 10 --minor 0 2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/sda' = '$out'" || return 1
}
run_test t04_sys_dev_match_block_no_dev_ignore
h01_setup_dm_tree() {
local block=$1
local dev=$2
mkdir -p $block
mkdir -p $dev
mkdir -p $block/dm-0
mkdir -p $block/dm-0/slaves/sda1
echo "254:0" > $block/dm-0/dev
echo "10:1" > $block/dm-0/slaves/sda1/dev
mknod $dev/dm-0 b 254 0
}
t05_match_dm () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
h01_setup_dm_tree $block $dev
out=$("${ROOTDEV}" --dev $dev --block $block --major 254 --minor 0 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/dm-0' = '$out'" || return 1
}
run_test t05_match_dm
t06_match_dm_slave () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
h01_setup_dm_tree $block $dev
out=$("${ROOTDEV}" -s --dev $dev --block $block --major 254 --minor 0 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/sda1' = '$out'" || return 1
}
run_test t06_match_dm_slave
t07_safe_fail_on_no_slave () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
h01_setup_dm_tree $block $dev
out=$("${ROOTDEV}" -s --dev $dev --block $block --major 10 --minor 1 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/sda1' = '$out'" || return 1
}
run_test t07_safe_fail_on_no_slave
t08_safe_fail_on_no_slave_dev () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
h01_setup_dm_tree $block $dev
# If the matching dev node is missing, an error code will be returned
# but the path will still represent the slave.
rm $dev/sda1
out=$("${ROOTDEV}" -s --dev $dev --block $block --major 254 --minor 0 \
2>/dev/null)
expect "$? -eq 1" || return 1
expect "'$dev/sda1' = '$out'" || return 1
}
run_test t08_safe_fail_on_no_slave_dev
t09_safe_fail_on_no_slave_dev_ignore () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
h01_setup_dm_tree $block $dev
# If the matching dev node is missing, an error code will be returned
# but the path will still represent the slave.
rm $dev/sda1
out=$("${ROOTDEV}" -i -s --dev $dev --block $block --major 254 --minor 0 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/sda1' = '$out'" || return 1
}
run_test t09_safe_fail_on_no_slave_dev_ignore
h02_setup_mmc_tree() {
local block=$1
local dev=$2
mkdir -p $block
mkdir -p $dev
mkdir -p $block/mmcblk0/mmcblk0p1
mkdir -p $block/mmcblk0/mmcblk0p2
echo "11:0" > $block/mmcblk0/dev
echo "11:1" > $block/mmcblk0/mmcblk0p1/dev
echo "11:2" > $block/mmcblk0/mmcblk0p2/dev
mknod $dev/mmcblk0 b 11 0
mknod $dev/mmcblk0p1 b 11 1
mknod $dev/mmcblk0p2 b 11 2
}
t10_mmcdev () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h02_setup_mmc_tree $block $dev
out=$("${ROOTDEV}" --dev $dev --block $block --major 11 --minor 2 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/mmcblk0p2' = '$out'" || return 1
}
run_test t10_mmcdev
t11_mmcdev_strip () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h02_setup_mmc_tree $block $dev
out=$("${ROOTDEV}" -d --dev $dev --block $block --major 11 --minor 2 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/mmcblk0' = '$out'" || return 1
}
run_test t11_mmcdev_strip
t12_sda_strip () {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h00_setup_sda_tree $block $dev
out=$("${ROOTDEV}" -d --dev $dev --block $block --major 10 --minor 2 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/sda' = '$out'" || return 1
}
run_test t12_sda_strip
# Set up dev nodes and minimal /sys/block entries for a loopback device with a
# partition on it.
#
# Using the same major for the partition doesn't accurately reflect how a real
# partitioned loopback device would be created, but rootdev doesn't currently
# support partitions with a different major number than their containing device.
# This setup can only be used to test that the partition stripping code
# correctly handles both loop0 and loop0p1.
h03_setup_loop_tree() {
local block=$1
local dev=$2
mkdir -p $block/loop0/loop0p1
mkdir -p $dev
echo "7:0" > $block/loop0/dev
echo "7:10" > $block/loop0/loop0p1/dev
mknod $dev/loop0 b 7 0
mknod $dev/loop0p1 b 7 10
}
# Verify that the pN doesn't get stripped from loopN.
t13_loop_nostrip_device() {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h03_setup_loop_tree $block $dev
out=$("${ROOTDEV}" -d --dev $dev --block $block --major 7 --minor 0 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/loop0' = '$out'" || return 1
}
run_test t13_loop_nostrip_device
# Verify that the pM does get stripped from loopNpM.
t14_loop_strip_partition() {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h03_setup_loop_tree $block $dev
out=$("${ROOTDEV}" -d --dev $dev --block $block --major 7 --minor 10 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/loop0' = '$out'" || return 1
}
run_test t14_loop_strip_partition
# Set up dev nodes and minimal /sys/block entries for a device mapper device.
h04_setup_dm_tree() {
local block=$1
local dev=$2
mkdir -p $block
mkdir -p $dev
mkdir -p $block/dm-3
echo "252:3" > $block/dm-3/dev
mknod $dev/dm-3 b 252 3
}
# Verify that the -NN doesn't get stripped from dm-NN.
t15_dm_strip() {
local block=$WORKDIR/sys/block
local dev=$WORKDIR/dev
h04_setup_dm_tree $block $dev
out=$("${ROOTDEV}" -d --dev $dev --block $block --major 252 --minor 3 \
2>/dev/null)
expect "$? -eq 0" || return 1
expect "'$dev/dm-3' = '$out'" || return 1
}
run_test t15_dm_strip
# TODO(wad) add node creation tests
TEST_COUNT=$((PASS_COUNT + FAIL_COUNT))
echo "----"
echo "Test passed: $PASS_COUNT / $TEST_COUNT"
echo "Test failed: $FAIL_COUNT / $TEST_COUNT"
if [ $FAIL_COUNT -ne 0 ]; then
exit 1
fi