tests/test-qemu-opts.c

   1 /*
   2  * QemuOpts unit-tests.
   3  *
   4  * Copyright (C) 2014 Leandro Dorileo <l@dorileo.org>
   5  *
   6  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
   7  * See the COPYING.LIB file in the top-level directory.
   8  */
   9
  10 #include "qemu/osdep.h"
  11 #include "qapi/error.h"
  12 #include "qapi/qmp/qstring.h"
  13 #include "qemu/config-file.h"
  14
  15 #include <glib.h>
  16
  17 static QemuOptsList opts_list_01 = {
  18     .name = "opts_list_01",
  19     .head = QTAILQ_HEAD_INITIALIZER(opts_list_01.head),
  20     .desc = {
  21         {
  22             .name = "str1",
  23             .type = QEMU_OPT_STRING,
  24         },{
  25             .name = "str2",
  26             .type = QEMU_OPT_STRING,
  27         },{
  28             .name = "str3",
  29             .type = QEMU_OPT_STRING,
  30         },{
  31             .name = "number1",
  32             .type = QEMU_OPT_NUMBER,
  33         },
  34         { /* end of list */ }
  35     },
  36 };
  37
  38 static QemuOptsList opts_list_02 = {
  39     .name = "opts_list_02",
  40     .head = QTAILQ_HEAD_INITIALIZER(opts_list_02.head),
  41     .desc = {
  42         {
  43             .name = "str1",
  44             .type = QEMU_OPT_STRING,
  45         },{
  46             .name = "bool1",
  47             .type = QEMU_OPT_BOOL,
  48         },{
  49             .name = "str2",
  50             .type = QEMU_OPT_STRING,
  51         },{
  52             .name = "size1",
  53             .type = QEMU_OPT_SIZE,
  54         },
  55         { /* end of list */ }
  56     },
  57 };
  58
  59 static QemuOptsList opts_list_03 = {
  60     .name = "opts_list_03",
  61     .head = QTAILQ_HEAD_INITIALIZER(opts_list_03.head),
  62     .desc = {
  63         /* no elements => accept any params */
  64         { /* end of list */ }
  65     },
  66 };
  67
  68 static void register_opts(void)
  69 {
  70     qemu_add_opts(&opts_list_01);
  71     qemu_add_opts(&opts_list_02);
  72     qemu_add_opts(&opts_list_03);
  73 }
  74
  75 static void test_find_unknown_opts(void)
  76 {
  77     QemuOptsList *list;
  78     Error *err = NULL;
  79
  80     /* should not return anything, we don't have an "unknown" option */
  81     list = qemu_find_opts_err("unknown", &err);
  82     g_assert(list == NULL);
  83     g_assert(err);
  84     error_free(err);
  85 }
  86
  87 static void test_qemu_find_opts(void)
  88 {
  89     QemuOptsList *list;
  90
  91     /* we have an "opts_list_01" option, should return it */
  92     list = qemu_find_opts("opts_list_01");
  93     g_assert(list != NULL);
  94     g_assert_cmpstr(list->name, ==, "opts_list_01");
  95 }
  96
  97 static void test_qemu_opts_create(void)
  98 {
  99     QemuOptsList *list;
 100     QemuOpts *opts;
 101
 102     list = qemu_find_opts("opts_list_01");
 103     g_assert(list != NULL);
 104     g_assert(QTAILQ_EMPTY(&list->head));
 105     g_assert_cmpstr(list->name, ==, "opts_list_01");
 106
 107     /* should not find anything at this point */
 108     opts = qemu_opts_find(list, NULL);
 109     g_assert(opts == NULL);
 110
 111     /* create the opts */
 112     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 113     g_assert(opts != NULL);
 114     g_assert(!QTAILQ_EMPTY(&list->head));
 115
 116     /* now we've create the opts, must find it */
 117     opts = qemu_opts_find(list, NULL);
 118     g_assert(opts != NULL);
 119
 120     qemu_opts_del(opts);
 121
 122     /* should not find anything at this point */
 123     opts = qemu_opts_find(list, NULL);
 124     g_assert(opts == NULL);
 125 }
 126
 127 static void test_qemu_opt_get(void)
 128 {
 129     QemuOptsList *list;
 130     QemuOpts *opts;
 131     const char *opt = NULL;
 132
 133     list = qemu_find_opts("opts_list_01");
 134     g_assert(list != NULL);
 135     g_assert(QTAILQ_EMPTY(&list->head));
 136     g_assert_cmpstr(list->name, ==, "opts_list_01");
 137
 138     /* should not find anything at this point */
 139     opts = qemu_opts_find(list, NULL);
 140     g_assert(opts == NULL);
 141
 142     /* create the opts */
 143     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 144     g_assert(opts != NULL);
 145     g_assert(!QTAILQ_EMPTY(&list->head));
 146
 147     /* haven't set anything to str2 yet */
 148     opt = qemu_opt_get(opts, "str2");
 149     g_assert(opt == NULL);
 150
 151     qemu_opt_set(opts, "str2", "value", &error_abort);
 152
 153     /* now we have set str2, should know about it */
 154     opt = qemu_opt_get(opts, "str2");
 155     g_assert_cmpstr(opt, ==, "value");
 156
 157     qemu_opt_set(opts, "str2", "value2", &error_abort);
 158
 159     /* having reset the value, the returned should be the reset one */
 160     opt = qemu_opt_get(opts, "str2");
 161     g_assert_cmpstr(opt, ==, "value2");
 162
 163     qemu_opts_del(opts);
 164
 165     /* should not find anything at this point */
 166     opts = qemu_opts_find(list, NULL);
 167     g_assert(opts == NULL);
 168 }
 169
 170 static void test_qemu_opt_get_bool(void)
 171 {
 172     Error *err = NULL;
 173     QemuOptsList *list;
 174     QemuOpts *opts;
 175     bool opt;
 176
 177     list = qemu_find_opts("opts_list_02");
 178     g_assert(list != NULL);
 179     g_assert(QTAILQ_EMPTY(&list->head));
 180     g_assert_cmpstr(list->name, ==, "opts_list_02");
 181
 182     /* should not find anything at this point */
 183     opts = qemu_opts_find(list, NULL);
 184     g_assert(opts == NULL);
 185
 186     /* create the opts */
 187     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 188     g_assert(opts != NULL);
 189     g_assert(!QTAILQ_EMPTY(&list->head));
 190
 191     /* haven't set anything to bool1 yet, so defval should be returned */
 192     opt = qemu_opt_get_bool(opts, "bool1", false);
 193     g_assert(opt == false);
 194
 195     qemu_opt_set_bool(opts, "bool1", true, &err);
 196     g_assert(!err);
 197
 198     /* now we have set bool1, should know about it */
 199     opt = qemu_opt_get_bool(opts, "bool1", false);
 200     g_assert(opt == true);
 201
 202     /* having reset the value, opt should be the reset one not defval */
 203     qemu_opt_set_bool(opts, "bool1", false, &err);
 204     g_assert(!err);
 205
 206     opt = qemu_opt_get_bool(opts, "bool1", true);
 207     g_assert(opt == false);
 208
 209     qemu_opts_del(opts);
 210
 211     /* should not find anything at this point */
 212     opts = qemu_opts_find(list, NULL);
 213     g_assert(opts == NULL);
 214 }
 215
 216 static void test_qemu_opt_get_number(void)
 217 {
 218     Error *err = NULL;
 219     QemuOptsList *list;
 220     QemuOpts *opts;
 221     uint64_t opt;
 222
 223     list = qemu_find_opts("opts_list_01");
 224     g_assert(list != NULL);
 225     g_assert(QTAILQ_EMPTY(&list->head));
 226     g_assert_cmpstr(list->name, ==, "opts_list_01");
 227
 228     /* should not find anything at this point */
 229     opts = qemu_opts_find(list, NULL);
 230     g_assert(opts == NULL);
 231
 232     /* create the opts */
 233     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 234     g_assert(opts != NULL);
 235     g_assert(!QTAILQ_EMPTY(&list->head));
 236
 237     /* haven't set anything to number1 yet, so defval should be returned */
 238     opt = qemu_opt_get_number(opts, "number1", 5);
 239     g_assert(opt == 5);
 240
 241     qemu_opt_set_number(opts, "number1", 10, &err);
 242     g_assert(!err);
 243
 244     /* now we have set number1, should know about it */
 245     opt = qemu_opt_get_number(opts, "number1", 5);
 246     g_assert(opt == 10);
 247
 248     /* having reset it, the returned should be the reset one not defval */
 249     qemu_opt_set_number(opts, "number1", 15, &err);
 250     g_assert(!err);
 251
 252     opt = qemu_opt_get_number(opts, "number1", 5);
 253     g_assert(opt == 15);
 254
 255     qemu_opts_del(opts);
 256
 257     /* should not find anything at this point */
 258     opts = qemu_opts_find(list, NULL);
 259     g_assert(opts == NULL);
 260 }
 261
 262 static void test_qemu_opt_get_size(void)
 263 {
 264     QemuOptsList *list;
 265     QemuOpts *opts;
 266     uint64_t opt;
 267     QDict *dict;
 268
 269     list = qemu_find_opts("opts_list_02");
 270     g_assert(list != NULL);
 271     g_assert(QTAILQ_EMPTY(&list->head));
 272     g_assert_cmpstr(list->name, ==, "opts_list_02");
 273
 274     /* should not find anything at this point */
 275     opts = qemu_opts_find(list, NULL);
 276     g_assert(opts == NULL);
 277
 278     /* create the opts */
 279     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 280     g_assert(opts != NULL);
 281     g_assert(!QTAILQ_EMPTY(&list->head));
 282
 283     /* haven't set anything to size1 yet, so defval should be returned */
 284     opt = qemu_opt_get_size(opts, "size1", 5);
 285     g_assert(opt == 5);
 286
 287     dict = qdict_new();
 288     g_assert(dict != NULL);
 289
 290     qdict_put(dict, "size1", qstring_from_str("10"));
 291
 292     qemu_opts_absorb_qdict(opts, dict, &error_abort);
 293     g_assert(error_abort == NULL);
 294
 295     /* now we have set size1, should know about it */
 296     opt = qemu_opt_get_size(opts, "size1", 5);
 297     g_assert(opt == 10);
 298
 299     /* reset value */
 300     qdict_put(dict, "size1", qstring_from_str("15"));
 301
 302     qemu_opts_absorb_qdict(opts, dict, &error_abort);
 303     g_assert(error_abort == NULL);
 304
 305     /* test the reset value */
 306     opt = qemu_opt_get_size(opts, "size1", 5);
 307     g_assert(opt == 15);
 308
 309     qdict_del(dict, "size1");
 310     g_free(dict);
 311
 312     qemu_opts_del(opts);
 313
 314     /* should not find anything at this point */
 315     opts = qemu_opts_find(list, NULL);
 316     g_assert(opts == NULL);
 317 }
 318
 319 static void test_qemu_opt_unset(void)
 320 {
 321     QemuOpts *opts;
 322     const char *value;
 323     int ret;
 324
 325     /* dynamically initialized (parsed) opts */
 326     opts = qemu_opts_parse(&opts_list_03, "key=value", false, NULL);
 327     g_assert(opts != NULL);
 328
 329     /* check default/parsed value */
 330     value = qemu_opt_get(opts, "key");
 331     g_assert_cmpstr(value, ==, "value");
 332
 333     /* reset it to value2 */
 334     qemu_opt_set(opts, "key", "value2", &error_abort);
 335
 336     value = qemu_opt_get(opts, "key");
 337     g_assert_cmpstr(value, ==, "value2");
 338
 339     /* unset, valid only for "accept any" */
 340     ret = qemu_opt_unset(opts, "key");
 341     g_assert(ret == 0);
 342
 343     /* after reset the value should be the parsed/default one */
 344     value = qemu_opt_get(opts, "key");
 345     g_assert_cmpstr(value, ==, "value");
 346
 347     qemu_opts_del(opts);
 348 }
 349
 350 static void test_qemu_opts_reset(void)
 351 {
 352     Error *err = NULL;
 353     QemuOptsList *list;
 354     QemuOpts *opts;
 355     uint64_t opt;
 356
 357     list = qemu_find_opts("opts_list_01");
 358     g_assert(list != NULL);
 359     g_assert(QTAILQ_EMPTY(&list->head));
 360     g_assert_cmpstr(list->name, ==, "opts_list_01");
 361
 362     /* should not find anything at this point */
 363     opts = qemu_opts_find(list, NULL);
 364     g_assert(opts == NULL);
 365
 366     /* create the opts */
 367     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 368     g_assert(opts != NULL);
 369     g_assert(!QTAILQ_EMPTY(&list->head));
 370
 371     /* haven't set anything to number1 yet, so defval should be returned */
 372     opt = qemu_opt_get_number(opts, "number1", 5);
 373     g_assert(opt == 5);
 374
 375     qemu_opt_set_number(opts, "number1", 10, &err);
 376     g_assert(!err);
 377
 378     /* now we have set number1, should know about it */
 379     opt = qemu_opt_get_number(opts, "number1", 5);
 380     g_assert(opt == 10);
 381
 382     qemu_opts_reset(list);
 383
 384     /* should not find anything at this point */
 385     opts = qemu_opts_find(list, NULL);
 386     g_assert(opts == NULL);
 387 }
 388
 389 static void test_qemu_opts_set(void)
 390 {
 391     Error *err = NULL;
 392     QemuOptsList *list;
 393     QemuOpts *opts;
 394     const char *opt;
 395
 396     list = qemu_find_opts("opts_list_01");
 397     g_assert(list != NULL);
 398     g_assert(QTAILQ_EMPTY(&list->head));
 399     g_assert_cmpstr(list->name, ==, "opts_list_01");
 400
 401     /* should not find anything at this point */
 402     opts = qemu_opts_find(list, NULL);
 403     g_assert(opts == NULL);
 404
 405     /* implicitly create opts and set str3 value */
 406     qemu_opts_set(list, NULL, "str3", "value", &err);
 407     g_assert(!err);
 408     g_assert(!QTAILQ_EMPTY(&list->head));
 409
 410     /* get the just created opts */
 411     opts = qemu_opts_find(list, NULL);
 412     g_assert(opts != NULL);
 413
 414     /* check the str3 value */
 415     opt = qemu_opt_get(opts, "str3");
 416     g_assert_cmpstr(opt, ==, "value");
 417
 418     qemu_opts_del(opts);
 419
 420     /* should not find anything at this point */
 421     opts = qemu_opts_find(list, NULL);
 422     g_assert(opts == NULL);
 423 }
 424
 425 int main(int argc, char *argv[])
 426 {
 427     register_opts();
 428     g_test_init(&argc, &argv, NULL);
 429     g_test_add_func("/qemu-opts/find_unknown_opts", test_find_unknown_opts);
 430     g_test_add_func("/qemu-opts/find_opts", test_qemu_find_opts);
 431     g_test_add_func("/qemu-opts/opts_create", test_qemu_opts_create);
 432     g_test_add_func("/qemu-opts/opt_get", test_qemu_opt_get);
 433     g_test_add_func("/qemu-opts/opt_get_bool", test_qemu_opt_get_bool);
 434     g_test_add_func("/qemu-opts/opt_get_number", test_qemu_opt_get_number);
 435     g_test_add_func("/qemu-opts/opt_get_size", test_qemu_opt_get_size);
 436     g_test_add_func("/qemu-opts/opt_unset", test_qemu_opt_unset);
 437     g_test_add_func("/qemu-opts/opts_reset", test_qemu_opts_reset);
 438     g_test_add_func("/qemu-opts/opts_set", test_qemu_opts_set);
 439     g_test_run();
 440     return 0;
 441 }