| #!/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 |
