1 /* 2 * QMP command test cases 3 * 4 * Copyright (c) 2017 Red Hat Inc. 5 * 6 * Authors: 7 * Markus Armbruster <armbru@redhat.com> 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2 or later. 10 * See the COPYING file in the top-level directory. 11 */ 12 13 #include "qemu/osdep.h" 14 #include "libqtest.h" 15 #include "qapi/error.h" 16 #include "qapi/qapi-visit-introspect.h" 17 #include "qapi/qmp/qdict.h" 18 #include "qapi/qobject-input-visitor.h" 19 20 const char common_args[] = "-nodefaults -machine none"; 21 22 /* Query smoke tests */ 23 24 static int query_error_class(const char *cmd) 25 { 26 static struct { 27 const char *cmd; 28 int err_class; 29 } fails[] = { 30 /* Success depends on build configuration: */ 31 #ifndef CONFIG_SPICE 32 { "query-spice", ERROR_CLASS_COMMAND_NOT_FOUND }, 33 #endif 34 #ifndef CONFIG_TCG 35 { "query-replay", ERROR_CLASS_COMMAND_NOT_FOUND }, 36 #endif 37 #ifndef CONFIG_VNC 38 { "query-vnc", ERROR_CLASS_GENERIC_ERROR }, 39 { "query-vnc-servers", ERROR_CLASS_GENERIC_ERROR }, 40 #endif 41 #ifndef CONFIG_REPLICATION 42 { "query-xen-replication-status", ERROR_CLASS_COMMAND_NOT_FOUND }, 43 #endif 44 /* Likewise, and require special QEMU command-line arguments: */ 45 { "query-acpi-ospm-status", ERROR_CLASS_GENERIC_ERROR }, 46 { "query-balloon", ERROR_CLASS_DEVICE_NOT_ACTIVE }, 47 { "query-hotpluggable-cpus", ERROR_CLASS_GENERIC_ERROR }, 48 { "query-vm-generation-id", ERROR_CLASS_GENERIC_ERROR }, 49 #ifndef CONFIG_PROFILER 50 { "x-query-profile", ERROR_CLASS_GENERIC_ERROR }, 51 #endif 52 /* Only valid with a USB bus added */ 53 { "x-query-usb", ERROR_CLASS_GENERIC_ERROR }, 54 /* Only valid with accel=tcg */ 55 { "x-query-jit", ERROR_CLASS_GENERIC_ERROR }, 56 { "x-query-opcount", ERROR_CLASS_GENERIC_ERROR }, 57 { NULL, -1 } 58 }; 59 int i; 60 61 for (i = 0; fails[i].cmd; i++) { 62 if (!strcmp(cmd, fails[i].cmd)) { 63 return fails[i].err_class; 64 } 65 } 66 return -1; 67 } 68 69 static void test_query(const void *data) 70 { 71 const char *cmd = data; 72 int expected_error_class = query_error_class(cmd); 73 QDict *resp, *error; 74 const char *error_class; 75 QTestState *qts; 76 77 qts = qtest_init(common_args); 78 79 resp = qtest_qmp(qts, "{ 'execute': %s }", cmd); 80 error = qdict_get_qdict(resp, "error"); 81 error_class = error ? qdict_get_str(error, "class") : NULL; 82 83 if (expected_error_class < 0) { 84 g_assert(qdict_haskey(resp, "return")); 85 } else { 86 g_assert(error); 87 g_assert_cmpint(qapi_enum_parse(&QapiErrorClass_lookup, error_class, 88 -1, &error_abort), 89 ==, expected_error_class); 90 } 91 qobject_unref(resp); 92 93 qtest_quit(qts); 94 } 95 96 static bool query_is_ignored(const char *cmd) 97 { 98 const char *ignored[] = { 99 /* Not actually queries: */ 100 "add-fd", 101 /* Success depends on target arch: */ 102 "query-cpu-definitions", /* arm, i386, ppc, s390x */ 103 "query-gic-capabilities", /* arm */ 104 /* Success depends on target-specific build configuration: */ 105 "query-pci", /* CONFIG_PCI */ 106 /* Success depends on launching SEV guest */ 107 "query-sev-launch-measure", 108 /* Success depends on Host or Hypervisor SEV support */ 109 "query-sev", 110 "query-sev-capabilities", 111 "query-sgx", 112 "query-sgx-capabilities", 113 NULL 114 }; 115 int i; 116 117 for (i = 0; ignored[i]; i++) { 118 if (!strcmp(cmd, ignored[i])) { 119 return true; 120 } 121 } 122 return false; 123 } 124 125 typedef struct { 126 SchemaInfoList *list; 127 GHashTable *hash; 128 } QmpSchema; 129 130 static void qmp_schema_init(QmpSchema *schema) 131 { 132 QDict *resp; 133 Visitor *qiv; 134 SchemaInfoList *tail; 135 QTestState *qts; 136 137 qts = qtest_init(common_args); 138 139 resp = qtest_qmp(qts, "{ 'execute': 'query-qmp-schema' }"); 140 141 qiv = qobject_input_visitor_new(qdict_get(resp, "return")); 142 visit_type_SchemaInfoList(qiv, NULL, &schema->list, &error_abort); 143 visit_free(qiv); 144 145 qobject_unref(resp); 146 qtest_quit(qts); 147 148 schema->hash = g_hash_table_new(g_str_hash, g_str_equal); 149 150 /* Build @schema: hash table mapping entity name to SchemaInfo */ 151 for (tail = schema->list; tail; tail = tail->next) { 152 g_hash_table_insert(schema->hash, tail->value->name, tail->value); 153 } 154 } 155 156 static SchemaInfo *qmp_schema_lookup(QmpSchema *schema, const char *name) 157 { 158 return g_hash_table_lookup(schema->hash, name); 159 } 160 161 static void qmp_schema_cleanup(QmpSchema *schema) 162 { 163 qapi_free_SchemaInfoList(schema->list); 164 g_hash_table_destroy(schema->hash); 165 } 166 167 static bool object_type_has_mandatory_members(SchemaInfo *type) 168 { 169 SchemaInfoObjectMemberList *tail; 170 171 g_assert(type->meta_type == SCHEMA_META_TYPE_OBJECT); 172 173 for (tail = type->u.object.members; tail; tail = tail->next) { 174 if (!tail->value->has_q_default) { 175 return true; 176 } 177 } 178 179 return false; 180 } 181 182 static void add_query_tests(QmpSchema *schema) 183 { 184 SchemaInfoList *tail; 185 SchemaInfo *si, *arg_type, *ret_type; 186 char *test_name; 187 188 /* Test the query-like commands */ 189 for (tail = schema->list; tail; tail = tail->next) { 190 si = tail->value; 191 if (si->meta_type != SCHEMA_META_TYPE_COMMAND) { 192 continue; 193 } 194 195 if (query_is_ignored(si->name)) { 196 continue; 197 } 198 199 arg_type = qmp_schema_lookup(schema, si->u.command.arg_type); 200 if (object_type_has_mandatory_members(arg_type)) { 201 continue; 202 } 203 204 ret_type = qmp_schema_lookup(schema, si->u.command.ret_type); 205 if (ret_type->meta_type == SCHEMA_META_TYPE_OBJECT 206 && !ret_type->u.object.members) { 207 continue; 208 } 209 210 test_name = g_strdup_printf("qmp/%s", si->name); 211 qtest_add_data_func(test_name, si->name, test_query); 212 g_free(test_name); 213 } 214 } 215 216 static void test_object_add_failure_modes(void) 217 { 218 QTestState *qts; 219 QDict *resp; 220 221 /* attempt to create an object without props */ 222 qts = qtest_init(common_args); 223 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 224 " {'qom-type': 'memory-backend-ram', 'id': 'ram1' } }"); 225 g_assert_nonnull(resp); 226 qmp_expect_error_and_unref(resp, "GenericError"); 227 228 /* attempt to create an object without qom-type */ 229 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 230 " {'id': 'ram1' } }"); 231 g_assert_nonnull(resp); 232 qmp_expect_error_and_unref(resp, "GenericError"); 233 234 /* attempt to delete an object that does not exist */ 235 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 236 " {'id': 'ram1' } }"); 237 g_assert_nonnull(resp); 238 qmp_expect_error_and_unref(resp, "GenericError"); 239 240 /* attempt to create 2 objects with duplicate id */ 241 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 242 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 243 " 'size': 1048576 } }"); 244 g_assert_nonnull(resp); 245 g_assert(qdict_haskey(resp, "return")); 246 qobject_unref(resp); 247 248 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 249 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 250 " 'size': 1048576 } }"); 251 g_assert_nonnull(resp); 252 qmp_expect_error_and_unref(resp, "GenericError"); 253 254 /* delete ram1 object */ 255 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 256 " {'id': 'ram1' } }"); 257 g_assert_nonnull(resp); 258 g_assert(qdict_haskey(resp, "return")); 259 qobject_unref(resp); 260 261 /* attempt to create an object with a property of a wrong type */ 262 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 263 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 264 " 'size': '1048576' } }"); 265 g_assert_nonnull(resp); 266 /* now do it right */ 267 qmp_expect_error_and_unref(resp, "GenericError"); 268 269 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 270 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 271 " 'size': 1048576 } }"); 272 g_assert_nonnull(resp); 273 g_assert(qdict_haskey(resp, "return")); 274 qobject_unref(resp); 275 276 /* delete ram1 object */ 277 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 278 " {'id': 'ram1' } }"); 279 g_assert_nonnull(resp); 280 g_assert(qdict_haskey(resp, "return")); 281 qobject_unref(resp); 282 283 /* attempt to create an object without the id */ 284 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 285 " {'qom-type': 'memory-backend-ram'," 286 " 'size': 1048576 } }"); 287 g_assert_nonnull(resp); 288 qmp_expect_error_and_unref(resp, "GenericError"); 289 290 /* now do it right */ 291 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 292 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 293 " 'size': 1048576 } }"); 294 g_assert_nonnull(resp); 295 g_assert(qdict_haskey(resp, "return")); 296 qobject_unref(resp); 297 298 /* delete ram1 object */ 299 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 300 " {'id': 'ram1' } }"); 301 g_assert_nonnull(resp); 302 g_assert(qdict_haskey(resp, "return")); 303 qobject_unref(resp); 304 305 /* attempt to set a non existing property */ 306 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 307 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 308 " 'sized': 1048576 } }"); 309 g_assert_nonnull(resp); 310 qmp_expect_error_and_unref(resp, "GenericError"); 311 312 /* now do it right */ 313 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 314 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 315 " 'size': 1048576 } }"); 316 g_assert_nonnull(resp); 317 g_assert(qdict_haskey(resp, "return")); 318 qobject_unref(resp); 319 320 /* delete ram1 object without id */ 321 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 322 " {'ida': 'ram1' } }"); 323 g_assert_nonnull(resp); 324 qobject_unref(resp); 325 326 /* delete ram1 object */ 327 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 328 " {'id': 'ram1' } }"); 329 g_assert_nonnull(resp); 330 g_assert(qdict_haskey(resp, "return")); 331 qobject_unref(resp); 332 333 /* delete ram1 object that does not exist anymore*/ 334 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 335 " {'id': 'ram1' } }"); 336 g_assert_nonnull(resp); 337 qmp_expect_error_and_unref(resp, "GenericError"); 338 339 qtest_quit(qts); 340 } 341 342 int main(int argc, char *argv[]) 343 { 344 QmpSchema schema; 345 int ret; 346 347 g_test_init(&argc, &argv, NULL); 348 349 qmp_schema_init(&schema); 350 add_query_tests(&schema); 351 352 qtest_add_func("qmp/object-add-failure-modes", 353 test_object_add_failure_modes); 354 355 ret = g_test_run(); 356 357 qmp_schema_cleanup(&schema); 358 return ret; 359 } 360