1 #!/bin/bash 2 # Copyright 2010 The Chromium OS Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 # 6 # Simple functional test harness for rootdev 7 # TODO(wad) rootdev should be rewritten in C++ and gmocked. 8 9 set -u 10 11 warn () { 12 echo "WARN: $@" 1>&2 13 } 14 15 error () { 16 echo "ERROR: $@" 1>&2 17 exit 1 18 } 19 20 PASS_COUNT=0 21 pass () { 22 echo "PASS:$1" 1>&2 23 PASS_COUNT=$((PASS_COUNT + 1)) 24 return 0 25 } 26 27 FAIL_COUNT=0 28 fail () { 29 echo "FAIL:$1" 1>&2 30 FAIL_COUNT=$((FAIL_COUNT + 1)) 31 return 0 32 } 33 34 WORKDIR= 35 cleanup () { 36 if [ -n "$WORKDIR" ]; then 37 rm -rf "$WORKDIR" 38 fi 39 trap - EXIT 40 } 41 42 setup () { 43 WORKDIR=$(mktemp -d rootdev_test.XXXXXXX) 44 if [ ! -d "$WORKDIR" ]; then 45 error "Failed to create temporary work dir" 46 fi 47 trap cleanup EXIT 48 } 49 50 run_test () { 51 setup 52 echo "RUN:$1" 1>&2 53 eval $1 54 ret=$? 55 cleanup 56 if [ $ret -eq 0 ]; then 57 pass $1 58 else 59 fail $1 60 fi 61 } 62 63 expect () { 64 cond="$1" 65 eval test $1 66 if [ $? -ne 0 ]; then 67 warn "expect: $1" 68 return 1 69 fi 70 return 0 71 } 72 73 ROOTDEV=${1:-./rootdev} 74 if [[ ! -e ${ROOTDEV} ]]; then 75 error "could not find rootdev '${ROOTDEV}'" 76 fi 77 78 if [ "${USER:-}" != "root" ]; then 79 error "Must be run as root to use mknod (${USER:-})" 80 fi 81 82 t00_bad_sys_dir () { 83 out=$("${ROOTDEV}" --block $WORKDIR 2>/dev/null) 84 expect "$? -ne 0" || return 1 85 expect "-z '$out'" || return 1 86 } 87 run_test t00_bad_sys_dir 88 89 h00_setup_sda_tree() { 90 local block=$1 91 local dev=$2 92 mkdir -p $block 93 mkdir -p $dev 94 mkdir -p $block/sda/sda1 95 mkdir -p $block/sda/sda2 96 echo "10:0" > $block/sda/dev 97 echo "10:1" > $block/sda/sda1/dev 98 echo "10:2" > $block/sda/sda2/dev 99 mknod $dev/sda1 b 10 1 100 mknod $dev/sda2 b 10 2 101 mknod $dev/sda b 10 0 102 } 103 104 t01_sys_dev_match () { 105 local block=$WORKDIR/sys/block 106 local dev=$WORKDIR/dev 107 h00_setup_sda_tree $block $dev 108 109 out=$("${ROOTDEV}" --dev $dev --block $block --major 10 --minor 1 2>/dev/null) 110 expect "$? -eq 0" || return 1 111 expect "'$dev/sda1' = '$out'" || return 1 112 } 113 run_test t01_sys_dev_match 114 115 t02_sys_dev_match_block () { 116 local block=$WORKDIR/sys/block 117 local dev=$WORKDIR/dev 118 h00_setup_sda_tree $block $dev 119 120 out=$("${ROOTDEV}" --dev $dev --block $block --major 10 --minor 0 2>/dev/null) 121 expect "$? -eq 0" || return 1 122 expect "'$dev/sda' = '$out'" || return 1 123 } 124 run_test t02_sys_dev_match_block 125 126 t03_sys_dev_match_block_no_dev () { 127 local block=$WORKDIR/sys/block 128 local dev=$WORKDIR/dev 129 h00_setup_sda_tree $block $dev 130 rm $dev/sda 131 132 out=$("${ROOTDEV}" --dev $dev --block $block --major 10 --minor 0 2>/dev/null) 133 expect "$? -eq 1" || return 1 134 expect "'$dev/sda' = '$out'" || return 1 135 } 136 run_test t03_sys_dev_match_block_no_dev 137 138 t04_sys_dev_match_block_no_dev_ignore () { 139 local block=$WORKDIR/sys/block 140 local dev=$WORKDIR/dev 141 h00_setup_sda_tree $block $dev 142 rm $dev/sda 143 144 out=$("${ROOTDEV}" -i --dev $dev --block $block --major 10 --minor 0 2>/dev/null) 145 expect "$? -eq 0" || return 1 146 expect "'$dev/sda' = '$out'" || return 1 147 } 148 run_test t04_sys_dev_match_block_no_dev_ignore 149 150 151 h01_setup_dm_tree() { 152 local block=$1 153 local dev=$2 154 mkdir -p $block 155 mkdir -p $dev 156 mkdir -p $block/dm-0 157 mkdir -p $block/dm-0/slaves/sda1 158 echo "254:0" > $block/dm-0/dev 159 echo "10:1" > $block/dm-0/slaves/sda1/dev 160 mknod $dev/dm-0 b 254 0 161 } 162 163 t05_match_dm () { 164 local block=$WORKDIR/sys/block 165 local dev=$WORKDIR/dev 166 h00_setup_sda_tree $block $dev 167 h01_setup_dm_tree $block $dev 168 169 out=$("${ROOTDEV}" --dev $dev --block $block --major 254 --minor 0 \ 170 2>/dev/null) 171 expect "$? -eq 0" || return 1 172 expect "'$dev/dm-0' = '$out'" || return 1 173 } 174 run_test t05_match_dm 175 176 t06_match_dm_slave () { 177 local block=$WORKDIR/sys/block 178 local dev=$WORKDIR/dev 179 h00_setup_sda_tree $block $dev 180 h01_setup_dm_tree $block $dev 181 182 out=$("${ROOTDEV}" -s --dev $dev --block $block --major 254 --minor 0 \ 183 2>/dev/null) 184 expect "$? -eq 0" || return 1 185 expect "'$dev/sda1' = '$out'" || return 1 186 } 187 run_test t06_match_dm_slave 188 189 t07_safe_fail_on_no_slave () { 190 local block=$WORKDIR/sys/block 191 local dev=$WORKDIR/dev 192 h00_setup_sda_tree $block $dev 193 h01_setup_dm_tree $block $dev 194 195 out=$("${ROOTDEV}" -s --dev $dev --block $block --major 10 --minor 1 \ 196 2>/dev/null) 197 expect "$? -eq 0" || return 1 198 expect "'$dev/sda1' = '$out'" || return 1 199 } 200 run_test t07_safe_fail_on_no_slave 201 202 t08_safe_fail_on_no_slave_dev () { 203 local block=$WORKDIR/sys/block 204 local dev=$WORKDIR/dev 205 h00_setup_sda_tree $block $dev 206 h01_setup_dm_tree $block $dev 207 # If the matching dev node is missing, an error code will be returned 208 # but the path will still represent the slave. 209 rm $dev/sda1 210 211 out=$("${ROOTDEV}" -s --dev $dev --block $block --major 254 --minor 0 \ 212 2>/dev/null) 213 expect "$? -eq 1" || return 1 214 expect "'$dev/sda1' = '$out'" || return 1 215 } 216 run_test t08_safe_fail_on_no_slave_dev 217 218 t09_safe_fail_on_no_slave_dev_ignore () { 219 local block=$WORKDIR/sys/block 220 local dev=$WORKDIR/dev 221 h00_setup_sda_tree $block $dev 222 h01_setup_dm_tree $block $dev 223 # If the matching dev node is missing, an error code will be returned 224 # but the path will still represent the slave. 225 rm $dev/sda1 226 227 out=$("${ROOTDEV}" -i -s --dev $dev --block $block --major 254 --minor 0 \ 228 2>/dev/null) 229 expect "$? -eq 0" || return 1 230 expect "'$dev/sda1' = '$out'" || return 1 231 } 232 run_test t09_safe_fail_on_no_slave_dev_ignore 233 234 h02_setup_mmc_tree() { 235 local block=$1 236 local dev=$2 237 mkdir -p $block 238 mkdir -p $dev 239 mkdir -p $block/mmcblk0/mmcblk0p1 240 mkdir -p $block/mmcblk0/mmcblk0p2 241 echo "11:0" > $block/mmcblk0/dev 242 echo "11:1" > $block/mmcblk0/mmcblk0p1/dev 243 echo "11:2" > $block/mmcblk0/mmcblk0p2/dev 244 mknod $dev/mmcblk0 b 11 0 245 mknod $dev/mmcblk0p1 b 11 1 246 mknod $dev/mmcblk0p2 b 11 2 247 } 248 249 t10_mmcdev () { 250 local block=$WORKDIR/sys/block 251 local dev=$WORKDIR/dev 252 h02_setup_mmc_tree $block $dev 253 out=$("${ROOTDEV}" --dev $dev --block $block --major 11 --minor 2 \ 254 2>/dev/null) 255 expect "$? -eq 0" || return 1 256 expect "'$dev/mmcblk0p2' = '$out'" || return 1 257 } 258 run_test t10_mmcdev 259 260 t11_mmcdev_strip () { 261 local block=$WORKDIR/sys/block 262 local dev=$WORKDIR/dev 263 h02_setup_mmc_tree $block $dev 264 out=$("${ROOTDEV}" -d --dev $dev --block $block --major 11 --minor 2 \ 265 2>/dev/null) 266 expect "$? -eq 0" || return 1 267 expect "'$dev/mmcblk0' = '$out'" || return 1 268 } 269 run_test t11_mmcdev_strip 270 271 t12_sda_strip () { 272 local block=$WORKDIR/sys/block 273 local dev=$WORKDIR/dev 274 h00_setup_sda_tree $block $dev 275 out=$("${ROOTDEV}" -d --dev $dev --block $block --major 10 --minor 2 \ 276 2>/dev/null) 277 expect "$? -eq 0" || return 1 278 expect "'$dev/sda' = '$out'" || return 1 279 } 280 run_test t12_sda_strip 281 282 # TODO(wad) add node creation tests 283 284 TEST_COUNT=$((PASS_COUNT + FAIL_COUNT)) 285 286 echo "----" 287 echo "Test passed: $PASS_COUNT / $TEST_COUNT" 288 echo "Test failed: $FAIL_COUNT / $TEST_COUNT" 289 290 if [ $FAIL_COUNT -ne 0 ]; then 291 exit 1 292 fi 293
