tests/unit/test-qmp-cmds.c

   1 #include "qemu/osdep.h"
   2 #include "qapi/compat-policy.h"
   3 #include "qapi/qmp/qdict.h"
   4 #include "qapi/qmp/qjson.h"
   5 #include "qapi/qmp/qnum.h"
   6 #include "qapi/qmp/qstring.h"
   7 #include "qapi/error.h"
   8 #include "qapi/qobject-input-visitor.h"
   9 #include "tests/test-qapi-types.h"
  10 #include "tests/test-qapi-visit.h"
  11 #include "test-qapi-commands.h"
  12 #include "test-qapi-init-commands.h"
  13
  14 static QmpCommandList qmp_commands;
  15
  16 UserDefThree *qmp_test_cmd_return_def_three(Error **errp)
  17 {
  18     return NULL;
  19 }
  20
  21 void qmp_user_def_cmd(Error **errp)
  22 {
  23 }
  24
  25 void qmp_test_flags_command(Error **errp)
  26 {
  27 }
  28
  29 void qmp_cmd_success_response(Error **errp)
  30 {
  31 }
  32
  33 void qmp_coroutine_cmd(Error **errp)
  34 {
  35 }
  36
  37 Empty2 *qmp_user_def_cmd0(Error **errp)
  38 {
  39     return g_new0(Empty2, 1);
  40 }
  41
  42 void qmp_user_def_cmd1(UserDefOne * ud1, Error **errp)
  43 {
  44 }
  45
  46 FeatureStruct1 *qmp_test_features0(bool has_fs0, FeatureStruct0 *fs0,
  47                                    bool has_fs1, FeatureStruct1 *fs1,
  48                                    bool has_fs2, FeatureStruct2 *fs2,
  49                                    bool has_fs3, FeatureStruct3 *fs3,
  50                                    bool has_fs4, FeatureStruct4 *fs4,
  51                                    bool has_cfs1, CondFeatureStruct1 *cfs1,
  52                                    bool has_cfs2, CondFeatureStruct2 *cfs2,
  53                                    bool has_cfs3, CondFeatureStruct3 *cfs3,
  54                                    bool has_cfs4, CondFeatureStruct4 *cfs4,
  55                                    Error **errp)
  56 {
  57     return g_new0(FeatureStruct1, 1);
  58 }
  59
  60 void qmp_test_command_features1(Error **errp)
  61 {
  62 }
  63
  64 void qmp_test_command_features3(Error **errp)
  65 {
  66 }
  67
  68 void qmp_test_command_cond_features1(Error **errp)
  69 {
  70 }
  71
  72 void qmp_test_command_cond_features2(Error **errp)
  73 {
  74 }
  75
  76 void qmp_test_command_cond_features3(Error **errp)
  77 {
  78 }
  79
  80 UserDefTwo *qmp_user_def_cmd2(UserDefOne *ud1a,
  81                               bool has_udb1, UserDefOne *ud1b,
  82                               Error **errp)
  83 {
  84     UserDefTwo *ret;
  85     UserDefOne *ud1c = g_malloc0(sizeof(UserDefOne));
  86     UserDefOne *ud1d = g_malloc0(sizeof(UserDefOne));
  87
  88     ud1c->string = strdup(ud1a->string);
  89     ud1c->integer = ud1a->integer;
  90     ud1d->string = strdup(has_udb1 ? ud1b->string : "blah0");
  91     ud1d->integer = has_udb1 ? ud1b->integer : 0;
  92
  93     ret = g_new0(UserDefTwo, 1);
  94     ret->string0 = strdup("blah1");
  95     ret->dict1 = g_new0(UserDefTwoDict, 1);
  96     ret->dict1->string1 = strdup("blah2");
  97     ret->dict1->dict2 = g_new0(UserDefTwoDictDict, 1);
  98     ret->dict1->dict2->userdef = ud1c;
  99     ret->dict1->dict2->string = strdup("blah3");
 100     ret->dict1->dict3 = g_new0(UserDefTwoDictDict, 1);
 101     ret->dict1->has_dict3 = true;
 102     ret->dict1->dict3->userdef = ud1d;
 103     ret->dict1->dict3->string = strdup("blah4");
 104
 105     return ret;
 106 }
 107
 108 int64_t qmp_guest_get_time(int64_t a, bool has_b, int64_t b, Error **errp)
 109 {
 110     return a + (has_b ? b : 0);
 111 }
 112
 113 QObject *qmp_guest_sync(QObject *arg, Error **errp)
 114 {
 115     return arg;
 116 }
 117
 118 void qmp_boxed_struct(UserDefZero *arg, Error **errp)
 119 {
 120 }
 121
 122 void qmp_boxed_union(UserDefFlatUnion *arg, Error **errp)
 123 {
 124 }
 125
 126 void qmp_boxed_empty(Empty1 *arg, Error **errp)
 127 {
 128 }
 129
 130 void qmp___org_qemu_x_command(__org_qemu_x_EnumList *a,
 131                               __org_qemu_x_StructList *b,
 132                               __org_qemu_x_Union *c,
 133                               __org_qemu_x_Alt *d,
 134                               Error **errp)
 135 {
 136     /* Also test that 'wchar-t' was munged to 'q_wchar_t' */
 137     if (b && b->value && !b->value->has_q_wchar_t) {
 138         b->value->q_wchar_t = 1;
 139     }
 140 }
 141
 142
 143 static QObject *do_qmp_dispatch(bool allow_oob, const char *template, ...)
 144 {
 145     va_list ap;
 146     QDict *req, *resp;
 147     QObject *ret;
 148
 149     va_start(ap, template);
 150     req = qdict_from_vjsonf_nofail(template, ap);
 151     va_end(ap);
 152
 153     resp = qmp_dispatch(&qmp_commands, QOBJECT(req), allow_oob, NULL);
 154     g_assert(resp);
 155     ret = qdict_get(resp, "return");
 156     g_assert(ret);
 157     g_assert(qdict_size(resp) == 1);
 158
 159     qobject_ref(ret);
 160     qobject_unref(resp);
 161     qobject_unref(req);
 162     return ret;
 163 }
 164
 165 static void do_qmp_dispatch_error(bool allow_oob, ErrorClass cls,
 166                                   const char *template, ...)
 167 {
 168     va_list ap;
 169     QDict *req, *resp;
 170     QDict *error;
 171
 172     va_start(ap, template);
 173     req = qdict_from_vjsonf_nofail(template, ap);
 174     va_end(ap);
 175
 176     resp = qmp_dispatch(&qmp_commands, QOBJECT(req), allow_oob, NULL);
 177     g_assert(resp);
 178     error = qdict_get_qdict(resp, "error");
 179     g_assert(error);
 180     g_assert_cmpstr(qdict_get_try_str(error, "class"),
 181                     ==, QapiErrorClass_str(cls));
 182     g_assert(qdict_get_try_str(error, "desc"));
 183     g_assert(qdict_size(error) == 2);
 184     g_assert(qdict_size(resp) == 1);
 185
 186     qobject_unref(resp);
 187     qobject_unref(req);
 188 }
 189
 190 /* test commands with no input and no return value */
 191 static void test_dispatch_cmd(void)
 192 {
 193     QDict *ret;
 194
 195     ret = qobject_to(QDict,
 196                      do_qmp_dispatch(false,
 197                                      "{ 'execute': 'user-def-cmd' }"));
 198     assert(ret && qdict_size(ret) == 0);
 199     qobject_unref(ret);
 200 }
 201
 202 static void test_dispatch_cmd_oob(void)
 203 {
 204     QDict *ret;
 205
 206     ret = qobject_to(QDict,
 207                      do_qmp_dispatch(true,
 208                                      "{ 'exec-oob': 'test-flags-command' }"));
 209     assert(ret && qdict_size(ret) == 0);
 210     qobject_unref(ret);
 211 }
 212
 213 /* test commands that return an error due to invalid parameters */
 214 static void test_dispatch_cmd_failure(void)
 215 {
 216     /* missing arguments */
 217     do_qmp_dispatch_error(false, ERROR_CLASS_GENERIC_ERROR,
 218                           "{ 'execute': 'user-def-cmd2' }");
 219
 220     /* extra arguments */
 221     do_qmp_dispatch_error(false, ERROR_CLASS_GENERIC_ERROR,
 222                           "{ 'execute': 'user-def-cmd',"
 223                           " 'arguments': { 'a': 66 } }");
 224 }
 225
 226 static void test_dispatch_cmd_success_response(void)
 227 {
 228     QDict *req = qdict_new();
 229     QDict *resp;
 230
 231     qdict_put_str(req, "execute", "cmd-success-response");
 232     resp = qmp_dispatch(&qmp_commands, QOBJECT(req), false, NULL);
 233     g_assert_null(resp);
 234     qobject_unref(req);
 235 }
 236
 237 /* test commands that involve both input parameters and return values */
 238 static void test_dispatch_cmd_io(void)
 239 {
 240     QDict *ret, *ret_dict, *ret_dict_dict, *ret_dict_dict_userdef;
 241     QDict *ret_dict_dict2, *ret_dict_dict2_userdef;
 242     QNum *ret3;
 243     int64_t val;
 244
 245     ret = qobject_to(QDict, do_qmp_dispatch(false,
 246         "{ 'execute': 'user-def-cmd2', 'arguments': {"
 247         " 'ud1a': { 'integer': 42, 'string': 'hello' },"
 248         " 'ud1b': { 'integer': 422, 'string': 'hello2' } } }"));
 249
 250     assert(!strcmp(qdict_get_str(ret, "string0"), "blah1"));
 251     ret_dict = qdict_get_qdict(ret, "dict1");
 252     assert(!strcmp(qdict_get_str(ret_dict, "string1"), "blah2"));
 253     ret_dict_dict = qdict_get_qdict(ret_dict, "dict2");
 254     ret_dict_dict_userdef = qdict_get_qdict(ret_dict_dict, "userdef");
 255     assert(qdict_get_int(ret_dict_dict_userdef, "integer") == 42);
 256     assert(!strcmp(qdict_get_str(ret_dict_dict_userdef, "string"), "hello"));
 257     assert(!strcmp(qdict_get_str(ret_dict_dict, "string"), "blah3"));
 258     ret_dict_dict2 = qdict_get_qdict(ret_dict, "dict3");
 259     ret_dict_dict2_userdef = qdict_get_qdict(ret_dict_dict2, "userdef");
 260     assert(qdict_get_int(ret_dict_dict2_userdef, "integer") == 422);
 261     assert(!strcmp(qdict_get_str(ret_dict_dict2_userdef, "string"), "hello2"));
 262     assert(!strcmp(qdict_get_str(ret_dict_dict2, "string"), "blah4"));
 263     qobject_unref(ret);
 264
 265     ret3 = qobject_to(QNum, do_qmp_dispatch(false,
 266         "{ 'execute': 'guest-get-time', 'arguments': { 'a': 66 } }"));
 267     g_assert(qnum_get_try_int(ret3, &val));
 268     g_assert_cmpint(val, ==, 66);
 269     qobject_unref(ret3);
 270 }
 271
 272 static void test_dispatch_cmd_deprecated(void)
 273 {
 274     const char *cmd = "{ 'execute': 'test-command-features1' }";
 275     QDict *ret;
 276
 277     memset(&compat_policy, 0, sizeof(compat_policy));
 278
 279     /* accept */
 280     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
 281     assert(ret && qdict_size(ret) == 0);
 282     qobject_unref(ret);
 283
 284     compat_policy.has_deprecated_input = true;
 285     compat_policy.deprecated_input = COMPAT_POLICY_INPUT_ACCEPT;
 286     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
 287     assert(ret && qdict_size(ret) == 0);
 288     qobject_unref(ret);
 289
 290     compat_policy.deprecated_input = COMPAT_POLICY_INPUT_REJECT;
 291     do_qmp_dispatch_error(false, ERROR_CLASS_COMMAND_NOT_FOUND, cmd);
 292 }
 293
 294 static void test_dispatch_cmd_arg_deprecated(void)
 295 {
 296     const char *cmd = "{ 'execute': 'test-features0',"
 297         " 'arguments': { 'fs1': { 'foo': 42 } } }";
 298     QDict *ret;
 299
 300     memset(&compat_policy, 0, sizeof(compat_policy));
 301
 302     /* accept */
 303     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
 304     assert(ret && qdict_size(ret) == 1);
 305     qobject_unref(ret);
 306
 307     compat_policy.has_deprecated_input = true;
 308     compat_policy.deprecated_input = COMPAT_POLICY_INPUT_ACCEPT;
 309     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
 310     assert(ret && qdict_size(ret) == 1);
 311     qobject_unref(ret);
 312
 313     compat_policy.deprecated_input = COMPAT_POLICY_INPUT_REJECT;
 314     do_qmp_dispatch_error(false, ERROR_CLASS_GENERIC_ERROR, cmd);
 315 }
 316
 317 static void test_dispatch_cmd_ret_deprecated(void)
 318 {
 319     const char *cmd = "{ 'execute': 'test-features0' }";
 320     QDict *ret;
 321
 322     memset(&compat_policy, 0, sizeof(compat_policy));
 323
 324     /* default accept */
 325     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
 326     assert(ret && qdict_size(ret) == 1);
 327     qobject_unref(ret);
 328
 329     compat_policy.has_deprecated_output = true;
 330     compat_policy.deprecated_output = COMPAT_POLICY_OUTPUT_ACCEPT;
 331     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
 332     assert(ret && qdict_size(ret) == 1);
 333     qobject_unref(ret);
 334
 335     compat_policy.deprecated_output = COMPAT_POLICY_OUTPUT_HIDE;
 336     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
 337     assert(ret && qdict_size(ret) == 0);
 338     qobject_unref(ret);
 339 }
 340
 341 /* test generated dealloc functions for generated types */
 342 static void test_dealloc_types(void)
 343 {
 344     UserDefOne *ud1test, *ud1a, *ud1b;
 345     UserDefOneList *ud1list;
 346
 347     ud1test = g_malloc0(sizeof(UserDefOne));
 348     ud1test->integer = 42;
 349     ud1test->string = g_strdup("hi there 42");
 350
 351     qapi_free_UserDefOne(ud1test);
 352
 353     ud1a = g_malloc0(sizeof(UserDefOne));
 354     ud1a->integer = 43;
 355     ud1a->string = g_strdup("hi there 43");
 356
 357     ud1b = g_malloc0(sizeof(UserDefOne));
 358     ud1b->integer = 44;
 359     ud1b->string = g_strdup("hi there 44");
 360
 361     ud1list = g_malloc0(sizeof(UserDefOneList));
 362     ud1list->value = ud1a;
 363     ud1list->next = g_malloc0(sizeof(UserDefOneList));
 364     ud1list->next->value = ud1b;
 365
 366     qapi_free_UserDefOneList(ud1list);
 367 }
 368
 369 /* test generated deallocation on an object whose construction was prematurely
 370  * terminated due to an error */
 371 static void test_dealloc_partial(void)
 372 {
 373     static const char text[] = "don't leak me";
 374
 375     UserDefTwo *ud2 = NULL;
 376     Error *err = NULL;
 377
 378     /* create partial object */
 379     {
 380         QDict *ud2_dict;
 381         Visitor *v;
 382
 383         ud2_dict = qdict_new();
 384         qdict_put_str(ud2_dict, "string0", text);
 385
 386         v = qobject_input_visitor_new(QOBJECT(ud2_dict));
 387         visit_type_UserDefTwo(v, NULL, &ud2, &err);
 388         visit_free(v);
 389         qobject_unref(ud2_dict);
 390     }
 391
 392     /* verify that visit_type_XXX() cleans up properly on error */
 393     error_free_or_abort(&err);
 394     assert(!ud2);
 395
 396     /* Manually create a partial object, leaving ud2->dict1 at NULL */
 397     ud2 = g_new0(UserDefTwo, 1);
 398     ud2->string0 = g_strdup(text);
 399
 400     /* tear down partial object */
 401     qapi_free_UserDefTwo(ud2);
 402 }
 403
 404
 405 int main(int argc, char **argv)
 406 {
 407     g_test_init(&argc, &argv, NULL);
 408
 409     g_test_add_func("/qmp/dispatch_cmd", test_dispatch_cmd);
 410     g_test_add_func("/qmp/dispatch_cmd_oob", test_dispatch_cmd_oob);
 411     g_test_add_func("/qmp/dispatch_cmd_failure", test_dispatch_cmd_failure);
 412     g_test_add_func("/qmp/dispatch_cmd_io", test_dispatch_cmd_io);
 413     g_test_add_func("/qmp/dispatch_cmd_success_response",
 414                     test_dispatch_cmd_success_response);
 415     g_test_add_func("/qmp/dispatch_cmd_deprecated",
 416                     test_dispatch_cmd_deprecated);
 417     g_test_add_func("/qmp/dispatch_cmd_arg_deprecated",
 418                     test_dispatch_cmd_arg_deprecated);
 419     g_test_add_func("/qmp/dispatch_cmd_ret_deprecated",
 420                     test_dispatch_cmd_ret_deprecated);
 421     g_test_add_func("/qmp/dealloc_types", test_dealloc_types);
 422     g_test_add_func("/qmp/dealloc_partial", test_dealloc_partial);
 423
 424     test_qmp_init_marshal(&qmp_commands);
 425     g_test_run();
 426
 427     return 0;
 428 }