xref: /openbmc/qemu/tests/unit/test-qmp-cmds.c (revision 05caa062)
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(FeatureStruct0 *fs0,
47                                    FeatureStruct1 *fs1,
48                                    FeatureStruct2 *fs2,
49                                    FeatureStruct3 *fs3,
50                                    FeatureStruct4 *fs4,
51                                    CondFeatureStruct1 *cfs1,
52                                    CondFeatureStruct2 *cfs2,
53                                    CondFeatureStruct3 *cfs3,
54                                    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, UserDefOne *ud1b,
81                               Error **errp)
82 {
83     UserDefTwo *ret;
84     UserDefOne *ud1c = g_new0(UserDefOne, 1);
85     UserDefOne *ud1d = g_new0(UserDefOne, 1);
86 
87     ud1c->string = strdup(ud1a->string);
88     ud1c->integer = ud1a->integer;
89     ud1d->string = strdup(ud1b ? ud1b->string : "blah0");
90     ud1d->integer = ud1b ? ud1b->integer : 0;
91 
92     ret = g_new0(UserDefTwo, 1);
93     ret->string0 = strdup("blah1");
94     ret->dict1 = g_new0(UserDefTwoDict, 1);
95     ret->dict1->string1 = strdup("blah2");
96     ret->dict1->dict2 = g_new0(UserDefTwoDictDict, 1);
97     ret->dict1->dict2->userdef = ud1c;
98     ret->dict1->dict2->string = strdup("blah3");
99     ret->dict1->dict3 = g_new0(UserDefTwoDictDict, 1);
100     ret->dict1->dict3->userdef = ud1d;
101     ret->dict1->dict3->string = strdup("blah4");
102 
103     return ret;
104 }
105 
106 int64_t qmp_guest_get_time(int64_t a, bool has_b, int64_t b, Error **errp)
107 {
108     return a + (has_b ? b : 0);
109 }
110 
111 QObject *qmp_guest_sync(QObject *arg, Error **errp)
112 {
113     return arg;
114 }
115 
116 void qmp_boxed_struct(UserDefZero *arg, Error **errp)
117 {
118 }
119 
120 void qmp_boxed_union(UserDefFlatUnion *arg, Error **errp)
121 {
122 }
123 
124 void qmp_boxed_empty(Empty1 *arg, Error **errp)
125 {
126 }
127 
128 void qmp___org_qemu_x_command(__org_qemu_x_EnumList *a,
129                               __org_qemu_x_StructList *b,
130                               __org_qemu_x_Union *c,
131                               __org_qemu_x_Alt *d,
132                               Error **errp)
133 {
134     /* Also test that 'wchar-t' was munged to 'q_wchar_t' */
135     if (b && b->value && !b->value->has_q_wchar_t) {
136         b->value->q_wchar_t = 1;
137     }
138 }
139 
140 
141 G_GNUC_PRINTF(2, 3)
142 static QObject *do_qmp_dispatch(bool allow_oob, const char *template, ...)
143 {
144     va_list ap;
145     QDict *req, *resp;
146     QObject *ret;
147 
148     va_start(ap, template);
149     req = qdict_from_vjsonf_nofail(template, ap);
150     va_end(ap);
151 
152     resp = qmp_dispatch(&qmp_commands, QOBJECT(req), allow_oob, NULL);
153     g_assert(resp);
154     ret = qdict_get(resp, "return");
155     g_assert(ret);
156     g_assert(qdict_size(resp) == 1);
157 
158     qobject_ref(ret);
159     qobject_unref(resp);
160     qobject_unref(req);
161     return ret;
162 }
163 
164 G_GNUC_PRINTF(3, 4)
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     #define 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     #undef cmd
293 }
294 
295 static void test_dispatch_cmd_arg_deprecated(void)
296 {
297     #define cmd "{ 'execute': 'test-features0'," \
298         " 'arguments': { 'fs1': { 'foo': 42 } } }"
299     QDict *ret;
300 
301     memset(&compat_policy, 0, sizeof(compat_policy));
302 
303     /* accept */
304     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
305     assert(ret && qdict_size(ret) == 1);
306     qobject_unref(ret);
307 
308     compat_policy.has_deprecated_input = true;
309     compat_policy.deprecated_input = COMPAT_POLICY_INPUT_ACCEPT;
310     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
311     assert(ret && qdict_size(ret) == 1);
312     qobject_unref(ret);
313 
314     compat_policy.deprecated_input = COMPAT_POLICY_INPUT_REJECT;
315     do_qmp_dispatch_error(false, ERROR_CLASS_GENERIC_ERROR, cmd);
316     #undef cmd
317 }
318 
319 static void test_dispatch_cmd_ret_deprecated(void)
320 {
321     #define cmd "{ 'execute': 'test-features0' }"
322     QDict *ret;
323 
324     memset(&compat_policy, 0, sizeof(compat_policy));
325 
326     /* default accept */
327     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
328     assert(ret && qdict_size(ret) == 1);
329     qobject_unref(ret);
330 
331     compat_policy.has_deprecated_output = true;
332     compat_policy.deprecated_output = COMPAT_POLICY_OUTPUT_ACCEPT;
333     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
334     assert(ret && qdict_size(ret) == 1);
335     qobject_unref(ret);
336 
337     compat_policy.deprecated_output = COMPAT_POLICY_OUTPUT_HIDE;
338     ret = qobject_to(QDict, do_qmp_dispatch(false, cmd));
339     assert(ret && qdict_size(ret) == 0);
340     qobject_unref(ret);
341     #undef cmd
342 }
343 
344 /* test generated dealloc functions for generated types */
345 static void test_dealloc_types(void)
346 {
347     UserDefOne *ud1test, *ud1a, *ud1b;
348     UserDefOneList *ud1list;
349 
350     ud1test = g_new0(UserDefOne, 1);
351     ud1test->integer = 42;
352     ud1test->string = g_strdup("hi there 42");
353 
354     qapi_free_UserDefOne(ud1test);
355 
356     ud1a = g_new0(UserDefOne, 1);
357     ud1a->integer = 43;
358     ud1a->string = g_strdup("hi there 43");
359 
360     ud1b = g_new0(UserDefOne, 1);
361     ud1b->integer = 44;
362     ud1b->string = g_strdup("hi there 44");
363 
364     ud1list = g_new0(UserDefOneList, 1);
365     ud1list->value = ud1a;
366     ud1list->next = g_new0(UserDefOneList, 1);
367     ud1list->next->value = ud1b;
368 
369     qapi_free_UserDefOneList(ud1list);
370 }
371 
372 /* test generated deallocation on an object whose construction was prematurely
373  * terminated due to an error */
374 static void test_dealloc_partial(void)
375 {
376     static const char text[] = "don't leak me";
377 
378     UserDefTwo *ud2 = NULL;
379     Error *err = NULL;
380 
381     /* create partial object */
382     {
383         QDict *ud2_dict;
384         Visitor *v;
385 
386         ud2_dict = qdict_new();
387         qdict_put_str(ud2_dict, "string0", text);
388 
389         v = qobject_input_visitor_new(QOBJECT(ud2_dict));
390         visit_type_UserDefTwo(v, NULL, &ud2, &err);
391         visit_free(v);
392         qobject_unref(ud2_dict);
393     }
394 
395     /* verify that visit_type_XXX() cleans up properly on error */
396     error_free_or_abort(&err);
397     assert(!ud2);
398 
399     /* Manually create a partial object, leaving ud2->dict1 at NULL */
400     ud2 = g_new0(UserDefTwo, 1);
401     ud2->string0 = g_strdup(text);
402 
403     /* tear down partial object */
404     qapi_free_UserDefTwo(ud2);
405 }
406 
407 
408 int main(int argc, char **argv)
409 {
410     g_test_init(&argc, &argv, NULL);
411 
412     g_test_add_func("/qmp/dispatch_cmd", test_dispatch_cmd);
413     g_test_add_func("/qmp/dispatch_cmd_oob", test_dispatch_cmd_oob);
414     g_test_add_func("/qmp/dispatch_cmd_failure", test_dispatch_cmd_failure);
415     g_test_add_func("/qmp/dispatch_cmd_io", test_dispatch_cmd_io);
416     g_test_add_func("/qmp/dispatch_cmd_success_response",
417                     test_dispatch_cmd_success_response);
418     g_test_add_func("/qmp/dispatch_cmd_deprecated",
419                     test_dispatch_cmd_deprecated);
420     g_test_add_func("/qmp/dispatch_cmd_arg_deprecated",
421                     test_dispatch_cmd_arg_deprecated);
422     g_test_add_func("/qmp/dispatch_cmd_ret_deprecated",
423                     test_dispatch_cmd_ret_deprecated);
424     g_test_add_func("/qmp/dealloc_types", test_dealloc_types);
425     g_test_add_func("/qmp/dealloc_partial", test_dealloc_partial);
426 
427     test_qmp_init_marshal(&qmp_commands);
428     g_test_run();
429 
430     return 0;
431 }
432