xref: /openbmc/qemu/tests/qtest/qmp-cmd-test.c (revision d177892d) 
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 "libqos/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         { NULL, -1 }
50     };
51     int i;
52 
53     for (i = 0; fails[i].cmd; i++) {
54         if (!strcmp(cmd, fails[i].cmd)) {
55             return fails[i].err_class;
56         }
57     }
58     return -1;
59 }
60 
61 static void test_query(const void *data)
62 {
63     const char *cmd = data;
64     int expected_error_class = query_error_class(cmd);
65     QDict *resp, *error;
66     const char *error_class;
67     QTestState *qts;
68 
69     qts = qtest_init(common_args);
70 
71     resp = qtest_qmp(qts, "{ 'execute': %s }", cmd);
72     error = qdict_get_qdict(resp, "error");
73     error_class = error ? qdict_get_str(error, "class") : NULL;
74 
75     if (expected_error_class < 0) {
76         g_assert(qdict_haskey(resp, "return"));
77     } else {
78         g_assert(error);
79         g_assert_cmpint(qapi_enum_parse(&QapiErrorClass_lookup, error_class,
80                                         -1, &error_abort),
81                         ==, expected_error_class);
82     }
83     qobject_unref(resp);
84 
85     qtest_quit(qts);
86 }
87 
88 static bool query_is_ignored(const char *cmd)
89 {
90     const char *ignored[] = {
91         /* Not actually queries: */
92         "add-fd",
93         /* Success depends on target arch: */
94         "query-cpu-definitions",  /* arm, i386, ppc, s390x */
95         "query-gic-capabilities", /* arm */
96         /* Success depends on target-specific build configuration: */
97         "query-pci",              /* CONFIG_PCI */
98         /* Success depends on launching SEV guest */
99         "query-sev-launch-measure",
100         /* Success depends on Host or Hypervisor SEV support */
101         "query-sev",
102         "query-sev-capabilities",
103         NULL
104     };
105     int i;
106 
107     for (i = 0; ignored[i]; i++) {
108         if (!strcmp(cmd, ignored[i])) {
109             return true;
110         }
111     }
112     return false;
113 }
114 
115 typedef struct {
116     SchemaInfoList *list;
117     GHashTable *hash;
118 } QmpSchema;
119 
120 static void qmp_schema_init(QmpSchema *schema)
121 {
122     QDict *resp;
123     Visitor *qiv;
124     SchemaInfoList *tail;
125     QTestState *qts;
126 
127     qts = qtest_init(common_args);
128 
129     resp = qtest_qmp(qts, "{ 'execute': 'query-qmp-schema' }");
130 
131     qiv = qobject_input_visitor_new(qdict_get(resp, "return"));
132     visit_type_SchemaInfoList(qiv, NULL, &schema->list, &error_abort);
133     visit_free(qiv);
134 
135     qobject_unref(resp);
136     qtest_quit(qts);
137 
138     schema->hash = g_hash_table_new(g_str_hash, g_str_equal);
139 
140     /* Build @schema: hash table mapping entity name to SchemaInfo */
141     for (tail = schema->list; tail; tail = tail->next) {
142         g_hash_table_insert(schema->hash, tail->value->name, tail->value);
143     }
144 }
145 
146 static SchemaInfo *qmp_schema_lookup(QmpSchema *schema, const char *name)
147 {
148     return g_hash_table_lookup(schema->hash, name);
149 }
150 
151 static void qmp_schema_cleanup(QmpSchema *schema)
152 {
153     qapi_free_SchemaInfoList(schema->list);
154     g_hash_table_destroy(schema->hash);
155 }
156 
157 static bool object_type_has_mandatory_members(SchemaInfo *type)
158 {
159     SchemaInfoObjectMemberList *tail;
160 
161     g_assert(type->meta_type == SCHEMA_META_TYPE_OBJECT);
162 
163     for (tail = type->u.object.members; tail; tail = tail->next) {
164         if (!tail->value->has_q_default) {
165             return true;
166         }
167     }
168 
169     return false;
170 }
171 
172 static void add_query_tests(QmpSchema *schema)
173 {
174     SchemaInfoList *tail;
175     SchemaInfo *si, *arg_type, *ret_type;
176     char *test_name;
177 
178     /* Test the query-like commands */
179     for (tail = schema->list; tail; tail = tail->next) {
180         si = tail->value;
181         if (si->meta_type != SCHEMA_META_TYPE_COMMAND) {
182             continue;
183         }
184 
185         if (query_is_ignored(si->name)) {
186             continue;
187         }
188 
189         arg_type = qmp_schema_lookup(schema, si->u.command.arg_type);
190         if (object_type_has_mandatory_members(arg_type)) {
191             continue;
192         }
193 
194         ret_type = qmp_schema_lookup(schema, si->u.command.ret_type);
195         if (ret_type->meta_type == SCHEMA_META_TYPE_OBJECT
196             && !ret_type->u.object.members) {
197             continue;
198         }
199 
200         test_name = g_strdup_printf("qmp/%s", si->name);
201         qtest_add_data_func(test_name, si->name, test_query);
202         g_free(test_name);
203     }
204 }
205 
206 static void test_object_add_failure_modes(void)
207 {
208     QTestState *qts;
209     QDict *resp;
210 
211     /* attempt to create an object without props */
212     qts = qtest_init(common_args);
213     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
214                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1' } }");
215     g_assert_nonnull(resp);
216     qmp_expect_error_and_unref(resp, "GenericError");
217 
218     /* attempt to create an object without qom-type */
219     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
220                      " {'id': 'ram1' } }");
221     g_assert_nonnull(resp);
222     qmp_expect_error_and_unref(resp, "GenericError");
223 
224     /* attempt to delete an object that does not exist */
225     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
226                      " {'id': 'ram1' } }");
227     g_assert_nonnull(resp);
228     qmp_expect_error_and_unref(resp, "GenericError");
229 
230     /* attempt to create 2 objects with duplicate id */
231     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
232                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
233                      " 'size': 1048576 } }");
234     g_assert_nonnull(resp);
235     g_assert(qdict_haskey(resp, "return"));
236     qobject_unref(resp);
237 
238     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
239                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
240                      " 'size': 1048576 } }");
241     g_assert_nonnull(resp);
242     qmp_expect_error_and_unref(resp, "GenericError");
243 
244     /* delete ram1 object */
245     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
246                      " {'id': 'ram1' } }");
247     g_assert_nonnull(resp);
248     g_assert(qdict_haskey(resp, "return"));
249     qobject_unref(resp);
250 
251     /* attempt to create an object with a property of a wrong type */
252     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
253                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
254                      " 'size': '1048576' } }");
255     g_assert_nonnull(resp);
256     /* now do it right */
257     qmp_expect_error_and_unref(resp, "GenericError");
258 
259     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
260                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
261                      " 'size': 1048576 } }");
262     g_assert_nonnull(resp);
263     g_assert(qdict_haskey(resp, "return"));
264     qobject_unref(resp);
265 
266     /* delete ram1 object */
267     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
268                      " {'id': 'ram1' } }");
269     g_assert_nonnull(resp);
270     g_assert(qdict_haskey(resp, "return"));
271     qobject_unref(resp);
272 
273     /* attempt to create an object without the id */
274     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
275                      " {'qom-type': 'memory-backend-ram',"
276                      " 'size': 1048576 } }");
277     g_assert_nonnull(resp);
278     qmp_expect_error_and_unref(resp, "GenericError");
279 
280     /* now do it right */
281     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
282                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
283                      " 'size': 1048576 } }");
284     g_assert_nonnull(resp);
285     g_assert(qdict_haskey(resp, "return"));
286     qobject_unref(resp);
287 
288     /* delete ram1 object */
289     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
290                      " {'id': 'ram1' } }");
291     g_assert_nonnull(resp);
292     g_assert(qdict_haskey(resp, "return"));
293     qobject_unref(resp);
294 
295     /* attempt to set a non existing property */
296     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
297                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
298                      " 'sized': 1048576 } }");
299     g_assert_nonnull(resp);
300     qmp_expect_error_and_unref(resp, "GenericError");
301 
302     /* now do it right */
303     resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
304                      " {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
305                      " 'size': 1048576 } }");
306     g_assert_nonnull(resp);
307     g_assert(qdict_haskey(resp, "return"));
308     qobject_unref(resp);
309 
310     /* delete ram1 object without id */
311     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
312                      " {'ida': 'ram1' } }");
313     g_assert_nonnull(resp);
314     qobject_unref(resp);
315 
316     /* delete ram1 object */
317     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
318                      " {'id': 'ram1' } }");
319     g_assert_nonnull(resp);
320     g_assert(qdict_haskey(resp, "return"));
321     qobject_unref(resp);
322 
323     /* delete ram1 object that does not exist anymore*/
324     resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
325                      " {'id': 'ram1' } }");
326     g_assert_nonnull(resp);
327     qmp_expect_error_and_unref(resp, "GenericError");
328 
329     qtest_quit(qts);
330 }
331 
332 int main(int argc, char *argv[])
333 {
334     QmpSchema schema;
335     int ret;
336 
337     g_test_init(&argc, &argv, NULL);
338 
339     qmp_schema_init(&schema);
340     add_query_tests(&schema);
341 
342     qtest_add_func("qmp/object-add-failure-modes",
343                    test_object_add_failure_modes);
344 
345     ret = g_test_run();
346 
347     qmp_schema_cleanup(&schema);
348     return ret;
349 }
350