Maksym Sloyko | 9634273 | 2021-08-03 21:54:28 +0000 | [diff] [blame] | 1 | #!/bin/bash |
| 2 | # Copyright 2021 Google LLC |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | |
| 16 | |
| 17 | TEMPDIRS="" |
| 18 | TEMPFILES="" |
| 19 | # Script under test |
| 20 | SUT=$PWD/usb_network.sh |
| 21 | |
| 22 | TEST_STATUS="OK" |
| 23 | |
| 24 | test_setup() { |
| 25 | echo -n "Testing $1 ..." |
| 26 | FAKE_CONFIGFS=$(mktemp -d) |
| 27 | TEMPDIRS="${TEMPDIRS} ${FAKE_CONFIGFS}" |
| 28 | FAKE_GADGETFS=$FAKE_CONFIGFS/usb_gadget |
| 29 | mkdir -p "$FAKE_GADGETFS" |
| 30 | } |
| 31 | |
| 32 | test_teardown() { |
| 33 | echo ${TEST_STATUS} |
| 34 | if test -n "$TEMPDIRS"; then |
| 35 | rm -rf ${TEMPDIRS} |
| 36 | fi |
| 37 | if test -n "$TEMPFILES"; then |
| 38 | rm -f $TEMPFILES |
| 39 | fi |
| 40 | } |
| 41 | |
| 42 | test_fail() { |
| 43 | echo -n " $@ " >&2 |
| 44 | TEST_STATUS="FAIL" |
| 45 | |
| 46 | test_teardown |
| 47 | exit 1 |
| 48 | } |
| 49 | |
| 50 | check_file_content() { |
| 51 | local filename="$1" |
| 52 | local expected_content="$2" |
| 53 | |
| 54 | if ! test -f "${filename}"; then |
| 55 | test_fail "File ${filename} does not exist!" |
| 56 | fi |
| 57 | |
| 58 | local actual_content=$(cat ${filename}) |
| 59 | if [[ $expected_content != $actual_content ]]; then |
| 60 | test_fail "Expected ${expected_content}, got ${actual_content}" |
| 61 | fi |
| 62 | } |
| 63 | |
| 64 | test_gadget_creation_with_defaults() { |
| 65 | local extra_args=() |
| 66 | local gadget_dir="$1" |
| 67 | if [[ $gadget_dir == "" ]]; then |
| 68 | gadget_dir="g1"; |
| 69 | else |
| 70 | extra_args=(${extra_args} --gadget-dir-name "${gadget_dir}") |
| 71 | fi |
| 72 | local product_name="Souvenier BMC" |
| 73 | local product_id="0xcafe" |
| 74 | local host_mac="ab:cd:ef:10:11:12" |
| 75 | local dev_mac="12:11:10:ef:cd:ab" |
| 76 | local bind_device="f80002000.udc" |
| 77 | CONFIGFS_HOME=${FAKE_CONFIGFS} ${SUT} --product-id "${product_id}" \ |
| 78 | --product-name "${product_name}" \ |
| 79 | --host-mac "${host_mac}" \ |
| 80 | --dev-mac "${dev_mac}" \ |
| 81 | --bind-device "${bind_device}" \ |
| 82 | ${extra_args[@]} |
| 83 | |
| 84 | if test $? -ne 0; then |
| 85 | test_fail "${SUT} failed" |
| 86 | fi |
| 87 | |
| 88 | if ! test -d "${FAKE_GADGETFS}/${gadget_dir}"; then |
| 89 | test_fail "Gadget was not created!" |
| 90 | fi |
| 91 | |
| 92 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/idVendor "0x18d1" |
| 93 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/idProduct "${product_id}" |
| 94 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/strings/0x409/manufacturer "Google" |
| 95 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/strings/0x409/product "${product_name}" |
| 96 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/configs/c.1/MaxPower "100" |
| 97 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/configs/c.1/strings/0x409/configuration "ECM" |
| 98 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.usb0/dev_addr "${dev_mac}" |
| 99 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.usb0/host_addr "${host_mac}" |
| 100 | |
| 101 | if ! test -d ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.usb0; then |
| 102 | test_fail "Function directory was not created" |
| 103 | fi |
| 104 | |
| 105 | local func_link="${FAKE_GADGETFS}/${gadget_dir}/configs/c.1/ecm.usb0" |
| 106 | if ! test -L "${func_link}"; then |
| 107 | test_fail "Symlink to the function was not created in the config" |
| 108 | fi |
| 109 | |
| 110 | local link_dest=$(realpath ${func_link}) |
| 111 | if [[ $link_dest != ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.usb0 ]]; then |
| 112 | test_fail "Symlink points to the wrong file/dir" |
| 113 | fi |
| 114 | |
| 115 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/UDC "${bind_device}" |
| 116 | } |
| 117 | |
| 118 | test_gadget_creation_with_override() { |
| 119 | mkdir -p ${FAKE_GADGETFS}/g1/{strings,configs,functions} |
| 120 | touch ${FAKE_GADGETFS}/g1/{idVendor,idProduct} |
| 121 | |
| 122 | test_gadget_creation_with_defaults |
| 123 | } |
| 124 | |
| 125 | test_gadget_stopping() { |
| 126 | local extra_args=() |
| 127 | local gadget_dir="$1" |
| 128 | local iface_name="$2" |
| 129 | if [[ $gadget_dir == "" ]]; then |
| 130 | gadget_dir="g1"; |
| 131 | else |
| 132 | extra_args=(${extra_args} --gadget-dir-name "${gadget_dir}") |
| 133 | fi |
| 134 | |
| 135 | if [[ $iface_name == "" ]]; then |
| 136 | iface_name="usb0"; |
| 137 | else |
| 138 | extra_args=(${extra_args} --iface-name "${iface_name}") |
| 139 | fi |
| 140 | |
| 141 | CONFIGFS_HOME=${FAKE_CONFIGFS} ${SUT} ${extra_args[@]} stop |
| 142 | |
| 143 | if test -d "${FAKE_GADGETFS}/${gadget_dir}"; then |
| 144 | test_fail "Gadget was not removed!" |
| 145 | fi |
| 146 | } |
| 147 | |
| 148 | test_gadget_creation_no_macs() { |
| 149 | local gadget_dir="g1"; |
| 150 | local product_name="Souvenier BMC" |
| 151 | local product_id="0xcafe" |
| 152 | local bind_device="f80002000.udc" |
| 153 | CONFIGFS_HOME=${FAKE_CONFIGFS} ${SUT} --product-id "${product_id}" \ |
| 154 | --product-name "${product_name}" \ |
| 155 | --bind-device "${bind_device}" |
| 156 | |
| 157 | if test $? -ne 0; then |
| 158 | test_fail "${SUT} failed" |
| 159 | fi |
| 160 | |
| 161 | if ! test -d "${FAKE_GADGETFS}/${gadget_dir}"; then |
| 162 | test_fail "Gadget was not created!" |
| 163 | fi |
| 164 | |
| 165 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/idVendor "0x18d1" |
| 166 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/idProduct "${product_id}" |
| 167 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/strings/0x409/manufacturer "Google" |
| 168 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/strings/0x409/product "${product_name}" |
| 169 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/configs/c.1/MaxPower "100" |
| 170 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/configs/c.1/strings/0x409/configuration "ECM" |
| 171 | |
| 172 | if test -e ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.usb0/dev_addr; then |
| 173 | test_fail "dev_addr should not be set" |
| 174 | fi |
| 175 | |
| 176 | if test -e ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.usb0/host_addr; then |
| 177 | test_fail "host_addr should not be set" |
| 178 | fi |
| 179 | |
| 180 | local func_link="${FAKE_GADGETFS}/${gadget_dir}/configs/c.1/ecm.usb0" |
| 181 | if ! test -L "${func_link}"; then |
| 182 | test_fail "Symlink to the function was not created in the config" |
| 183 | fi |
| 184 | |
| 185 | local link_dest=$(realpath ${func_link}) |
| 186 | if [[ $link_dest != ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.usb0 ]]; then |
| 187 | test_fail "Symlink points to the wrong file/dir" |
| 188 | fi |
| 189 | |
| 190 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/UDC "${bind_device}" |
| 191 | } |
| 192 | |
| 193 | test_gadget_creation_alt_iface() { |
| 194 | local gadget_dir="g1"; |
| 195 | local product_name="Souvenier BMC" |
| 196 | local product_id="0xcafe" |
| 197 | local bind_device="f80002000.udc" |
| 198 | local iface_name="iface0" |
| 199 | CONFIGFS_HOME=${FAKE_CONFIGFS} ${SUT} --product-id "${product_id}" \ |
| 200 | --product-name "${product_name}" \ |
| 201 | --bind-device "${bind_device}" \ |
| 202 | --iface-name "${iface_name}" |
| 203 | |
| 204 | if test $? -ne 0; then |
| 205 | test_fail "${SUT} failed" |
| 206 | fi |
| 207 | |
| 208 | if ! test -d "${FAKE_GADGETFS}/${gadget_dir}"; then |
| 209 | test_fail "Gadget was not created!" |
| 210 | fi |
| 211 | |
| 212 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/idVendor "0x18d1" |
| 213 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/idProduct "${product_id}" |
| 214 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/strings/0x409/manufacturer "Google" |
| 215 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/strings/0x409/product "${product_name}" |
| 216 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/configs/c.1/MaxPower "100" |
| 217 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/configs/c.1/strings/0x409/configuration "ECM" |
| 218 | |
| 219 | if ! test -d ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.${iface_name}; then |
| 220 | test_fail "Function directory was not created" |
| 221 | fi |
| 222 | |
| 223 | if test -e ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.${iface_name}/dev_addr; then |
| 224 | test_fail "dev_addr should not be set" |
| 225 | fi |
| 226 | |
| 227 | if test -e ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.${iface_name}/host_addr; then |
| 228 | test_fail "host_addr should not be set" |
| 229 | fi |
| 230 | |
| 231 | local func_link="${FAKE_GADGETFS}/${gadget_dir}/configs/c.1/ecm.${iface_name}" |
| 232 | if ! test -L "${func_link}"; then |
| 233 | test_fail "Symlink to the function was not created in the config" |
| 234 | fi |
| 235 | |
| 236 | local link_dest=$(realpath ${func_link}) |
| 237 | if [[ $link_dest != ${FAKE_GADGETFS}/${gadget_dir}/functions/ecm.${iface_name} ]]; then |
| 238 | test_fail "Symlink points to the wrong file/dir" |
| 239 | fi |
| 240 | |
| 241 | check_file_content ${FAKE_GADGETFS}/${gadget_dir}/UDC "${bind_device}" |
| 242 | } |
| 243 | |
| 244 | |
| 245 | # ------------------------------------------------------------------- |
| 246 | test_setup "Device Creation" |
| 247 | |
| 248 | test_gadget_creation_with_defaults |
| 249 | |
| 250 | test_teardown |
| 251 | # ------------------------------------------------------------------- |
| 252 | |
| 253 | # ------------------------------------------------------------------- |
| 254 | test_setup "Device Creation With Override" |
| 255 | |
| 256 | test_gadget_creation_with_override |
| 257 | |
| 258 | test_teardown |
| 259 | # ------------------------------------------------------------------- |
| 260 | |
| 261 | # ------------------------------------------------------------------- |
| 262 | test_setup "Test Device Stop" |
| 263 | |
| 264 | test_gadget_creation_with_defaults |
| 265 | test_gadget_stopping |
| 266 | |
| 267 | test_teardown |
| 268 | # ------------------------------------------------------------------- |
| 269 | |
| 270 | # ------------------------------------------------------------------- |
| 271 | test_setup "Device Creation/Stopping, Alternative Name" |
| 272 | |
| 273 | test_gadget_creation_with_defaults "gAlt" |
| 274 | test_gadget_stopping "gAlt" |
| 275 | |
| 276 | test_teardown |
| 277 | # ------------------------------------------------------------------- |
| 278 | |
| 279 | # ------------------------------------------------------------------- |
| 280 | test_setup "Device Creation without MAC Addrs" |
| 281 | |
| 282 | test_gadget_creation_no_macs |
| 283 | |
| 284 | test_teardown |
| 285 | # ------------------------------------------------------------------- |
| 286 | |
| 287 | # ------------------------------------------------------------------- |
| 288 | test_setup "Device Creation/Stopping, Alternative Interface" |
| 289 | |
| 290 | test_gadget_creation_alt_iface |
| 291 | |
| 292 | test_teardown |
| 293 | # ------------------------------------------------------------------- |
| 294 | |
| 295 | echo "SUCCESS!" |