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 "x-query-virtio", /* CONFIG_VIRTIO */ 107 /* Success depends on launching SEV guest */ 108 "query-sev-launch-measure", 109 /* Success depends on Host or Hypervisor SEV support */ 110 "query-sev", 111 "query-sev-capabilities", 112 "query-sgx", 113 "query-sgx-capabilities", 114 /* Success depends on enabling dirty page rate limit */ 115 "query-vcpu-dirty-limit", 116 NULL 117 }; 118 int i; 119 120 for (i = 0; ignored[i]; i++) { 121 if (!strcmp(cmd, ignored[i])) { 122 return true; 123 } 124 } 125 return false; 126 } 127 128 typedef struct { 129 SchemaInfoList *list; 130 GHashTable *hash; 131 } QmpSchema; 132 133 static void qmp_schema_init(QmpSchema *schema) 134 { 135 QDict *resp; 136 Visitor *qiv; 137 SchemaInfoList *tail; 138 QTestState *qts; 139 140 qts = qtest_init(common_args); 141 142 resp = qtest_qmp(qts, "{ 'execute': 'query-qmp-schema' }"); 143 144 qiv = qobject_input_visitor_new(qdict_get(resp, "return")); 145 visit_type_SchemaInfoList(qiv, NULL, &schema->list, &error_abort); 146 visit_free(qiv); 147 148 qobject_unref(resp); 149 qtest_quit(qts); 150 151 schema->hash = g_hash_table_new(g_str_hash, g_str_equal); 152 153 /* Build @schema: hash table mapping entity name to SchemaInfo */ 154 for (tail = schema->list; tail; tail = tail->next) { 155 g_hash_table_insert(schema->hash, tail->value->name, tail->value); 156 } 157 } 158 159 static SchemaInfo *qmp_schema_lookup(QmpSchema *schema, const char *name) 160 { 161 return g_hash_table_lookup(schema->hash, name); 162 } 163 164 static void qmp_schema_cleanup(QmpSchema *schema) 165 { 166 qapi_free_SchemaInfoList(schema->list); 167 g_hash_table_destroy(schema->hash); 168 } 169 170 static bool object_type_has_mandatory_members(SchemaInfo *type) 171 { 172 SchemaInfoObjectMemberList *tail; 173 174 g_assert(type->meta_type == SCHEMA_META_TYPE_OBJECT); 175 176 for (tail = type->u.object.members; tail; tail = tail->next) { 177 if (!tail->value->has_q_default) { 178 return true; 179 } 180 } 181 182 return false; 183 } 184 185 static void add_query_tests(QmpSchema *schema) 186 { 187 SchemaInfoList *tail; 188 SchemaInfo *si, *arg_type, *ret_type; 189 char *test_name; 190 191 /* Test the query-like commands */ 192 for (tail = schema->list; tail; tail = tail->next) { 193 si = tail->value; 194 if (si->meta_type != SCHEMA_META_TYPE_COMMAND) { 195 continue; 196 } 197 198 if (query_is_ignored(si->name)) { 199 continue; 200 } 201 202 arg_type = qmp_schema_lookup(schema, si->u.command.arg_type); 203 if (object_type_has_mandatory_members(arg_type)) { 204 continue; 205 } 206 207 ret_type = qmp_schema_lookup(schema, si->u.command.ret_type); 208 if (ret_type->meta_type == SCHEMA_META_TYPE_OBJECT 209 && !ret_type->u.object.members) { 210 continue; 211 } 212 213 test_name = g_strdup_printf("qmp/%s", si->name); 214 qtest_add_data_func(test_name, si->name, test_query); 215 g_free(test_name); 216 } 217 } 218 219 static void test_object_add_failure_modes(void) 220 { 221 QTestState *qts; 222 QDict *resp; 223 224 /* attempt to create an object without props */ 225 qts = qtest_init(common_args); 226 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 227 " {'qom-type': 'memory-backend-ram', 'id': 'ram1' } }"); 228 g_assert_nonnull(resp); 229 qmp_expect_error_and_unref(resp, "GenericError"); 230 231 /* attempt to create an object without qom-type */ 232 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 233 " {'id': 'ram1' } }"); 234 g_assert_nonnull(resp); 235 qmp_expect_error_and_unref(resp, "GenericError"); 236 237 /* attempt to delete an object that does not exist */ 238 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 239 " {'id': 'ram1' } }"); 240 g_assert_nonnull(resp); 241 qmp_expect_error_and_unref(resp, "GenericError"); 242 243 /* attempt to create 2 objects with duplicate id */ 244 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 245 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 246 " 'size': 1048576 } }"); 247 g_assert_nonnull(resp); 248 g_assert(qdict_haskey(resp, "return")); 249 qobject_unref(resp); 250 251 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 252 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 253 " 'size': 1048576 } }"); 254 g_assert_nonnull(resp); 255 qmp_expect_error_and_unref(resp, "GenericError"); 256 257 /* delete ram1 object */ 258 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 259 " {'id': 'ram1' } }"); 260 g_assert_nonnull(resp); 261 g_assert(qdict_haskey(resp, "return")); 262 qobject_unref(resp); 263 264 /* attempt to create an object with a property of a wrong type */ 265 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 266 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 267 " 'size': '1048576' } }"); 268 g_assert_nonnull(resp); 269 /* now do it right */ 270 qmp_expect_error_and_unref(resp, "GenericError"); 271 272 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 273 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 274 " 'size': 1048576 } }"); 275 g_assert_nonnull(resp); 276 g_assert(qdict_haskey(resp, "return")); 277 qobject_unref(resp); 278 279 /* delete ram1 object */ 280 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 281 " {'id': 'ram1' } }"); 282 g_assert_nonnull(resp); 283 g_assert(qdict_haskey(resp, "return")); 284 qobject_unref(resp); 285 286 /* attempt to create an object without the id */ 287 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 288 " {'qom-type': 'memory-backend-ram'," 289 " 'size': 1048576 } }"); 290 g_assert_nonnull(resp); 291 qmp_expect_error_and_unref(resp, "GenericError"); 292 293 /* now do it right */ 294 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 295 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 296 " 'size': 1048576 } }"); 297 g_assert_nonnull(resp); 298 g_assert(qdict_haskey(resp, "return")); 299 qobject_unref(resp); 300 301 /* delete ram1 object */ 302 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 303 " {'id': 'ram1' } }"); 304 g_assert_nonnull(resp); 305 g_assert(qdict_haskey(resp, "return")); 306 qobject_unref(resp); 307 308 /* attempt to set a non existing property */ 309 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 310 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 311 " 'sized': 1048576 } }"); 312 g_assert_nonnull(resp); 313 qmp_expect_error_and_unref(resp, "GenericError"); 314 315 /* now do it right */ 316 resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':" 317 " {'qom-type': 'memory-backend-ram', 'id': 'ram1'," 318 " 'size': 1048576 } }"); 319 g_assert_nonnull(resp); 320 g_assert(qdict_haskey(resp, "return")); 321 qobject_unref(resp); 322 323 /* delete ram1 object without id */ 324 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 325 " {'ida': 'ram1' } }"); 326 g_assert_nonnull(resp); 327 qobject_unref(resp); 328 329 /* delete ram1 object */ 330 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 331 " {'id': 'ram1' } }"); 332 g_assert_nonnull(resp); 333 g_assert(qdict_haskey(resp, "return")); 334 qobject_unref(resp); 335 336 /* delete ram1 object that does not exist anymore*/ 337 resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':" 338 " {'id': 'ram1' } }"); 339 g_assert_nonnull(resp); 340 qmp_expect_error_and_unref(resp, "GenericError"); 341 342 qtest_quit(qts); 343 } 344 345 int main(int argc, char *argv[]) 346 { 347 QmpSchema schema; 348 int ret; 349 350 g_test_init(&argc, &argv, NULL); 351 352 qmp_schema_init(&schema); 353 add_query_tests(&schema); 354 355 qtest_add_func("qmp/object-add-failure-modes", 356 test_object_add_failure_modes); 357 358 ret = g_test_run(); 359 360 qmp_schema_cleanup(&schema); 361 return ret; 362 } 363