tests/test-qmp-event.c

   1 /*
   2  * qapi event unit-tests.
   3  *
   4  * Copyright (c) 2014 Wenchao Xia
   5  *
   6  * Authors:
   7  *  Wenchao Xia   <wenchaoqemu@gmail.com>
   8  *
   9  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
  10  * See the COPYING.LIB file in the top-level directory.
  11  *
  12  */
  13
  14 #include "qemu/osdep.h"
  15
  16 #include "qemu-common.h"
  17 #include "test-qapi-types.h"
  18 #include "test-qapi-visit.h"
  19 #include "test-qapi-event.h"
  20 #include "qapi/qmp/types.h"
  21 #include "qapi/qmp/qint.h"
  22 #include "qapi/qmp/qobject.h"
  23 #include "qapi/qmp-event.h"
  24
  25 typedef struct TestEventData {
  26     QDict *expect;
  27 } TestEventData;
  28
  29 typedef struct QDictCmpData {
  30     QDict *expect;
  31     bool result;
  32 } QDictCmpData;
  33
  34 TestEventData *test_event_data;
  35 static CompatGMutex test_event_lock;
  36
  37 /* Only compares bool, int, string */
  38 static
  39 void qdict_cmp_do_simple(const char *key, QObject *obj1, void *opaque)
  40
  41 {
  42     QObject *obj2;
  43     QDictCmpData d_new, *d = opaque;
  44
  45     if (!d->result) {
  46         return;
  47     }
  48
  49     obj2 = qdict_get(d->expect, key);
  50     if (!obj2) {
  51         d->result = false;
  52         return;
  53     }
  54
  55     if (qobject_type(obj1) != qobject_type(obj2)) {
  56         d->result = false;
  57         return;
  58     }
  59
  60     switch (qobject_type(obj1)) {
  61     case QTYPE_QBOOL:
  62         d->result = (qbool_get_bool(qobject_to_qbool(obj1)) ==
  63                      qbool_get_bool(qobject_to_qbool(obj2)));
  64         return;
  65     case QTYPE_QINT:
  66         d->result = (qint_get_int(qobject_to_qint(obj1)) ==
  67                      qint_get_int(qobject_to_qint(obj2)));
  68         return;
  69     case QTYPE_QSTRING:
  70         d->result = g_strcmp0(qstring_get_str(qobject_to_qstring(obj1)),
  71                               qstring_get_str(qobject_to_qstring(obj2))) == 0;
  72         return;
  73     case QTYPE_QDICT:
  74         d_new.expect = qobject_to_qdict(obj2);
  75         d_new.result = true;
  76         qdict_iter(qobject_to_qdict(obj1), qdict_cmp_do_simple, &d_new);
  77         d->result = d_new.result;
  78         return;
  79     default:
  80         abort();
  81     }
  82 }
  83
  84 static bool qdict_cmp_simple(QDict *a, QDict *b)
  85 {
  86     QDictCmpData d;
  87
  88     d.expect = b;
  89     d.result = true;
  90     qdict_iter(a, qdict_cmp_do_simple, &d);
  91     return d.result;
  92 }
  93
  94 /* This function is hooked as final emit function, which can verify the
  95    correctness. */
  96 static void event_test_emit(test_QAPIEvent event, QDict *d, Error **errp)
  97 {
  98     QObject *obj;
  99     QDict *t;
 100     int64_t s, ms;
 101
 102     /* Verify that we have timestamp, then remove it to compare other fields */
 103     obj = qdict_get(d, "timestamp");
 104     g_assert(obj);
 105     t = qobject_to_qdict(obj);
 106     g_assert(t);
 107     obj = qdict_get(t, "seconds");
 108     g_assert(obj && qobject_type(obj) == QTYPE_QINT);
 109     s = qint_get_int(qobject_to_qint(obj));
 110     obj = qdict_get(t, "microseconds");
 111     g_assert(obj && qobject_type(obj) == QTYPE_QINT);
 112     ms = qint_get_int(qobject_to_qint(obj));
 113     if (s == -1) {
 114         g_assert(ms == -1);
 115     } else {
 116         g_assert(ms >= 0 && ms <= 999999);
 117     }
 118     g_assert(qdict_size(t) == 2);
 119
 120     qdict_del(d, "timestamp");
 121
 122     g_assert(qdict_cmp_simple(d, test_event_data->expect));
 123
 124 }
 125
 126 static void event_prepare(TestEventData *data,
 127                           const void *unused)
 128 {
 129     /* Global variable test_event_data was used to pass the expectation, so
 130        test cases can't be executed at same time. */
 131     g_mutex_lock(&test_event_lock);
 132
 133     data->expect = qdict_new();
 134     test_event_data = data;
 135 }
 136
 137 static void event_teardown(TestEventData *data,
 138                            const void *unused)
 139 {
 140     QDECREF(data->expect);
 141     test_event_data = NULL;
 142
 143     g_mutex_unlock(&test_event_lock);
 144 }
 145
 146 static void event_test_add(const char *testpath,
 147                            void (*test_func)(TestEventData *data,
 148                                              const void *user_data))
 149 {
 150     g_test_add(testpath, TestEventData, NULL, event_prepare, test_func,
 151                event_teardown);
 152 }
 153
 154
 155 /* Test cases */
 156
 157 static void test_event_a(TestEventData *data,
 158                          const void *unused)
 159 {
 160     QDict *d;
 161     d = data->expect;
 162     qdict_put(d, "event", qstring_from_str("EVENT_A"));
 163     qapi_event_send_event_a(&error_abort);
 164 }
 165
 166 static void test_event_b(TestEventData *data,
 167                          const void *unused)
 168 {
 169     QDict *d;
 170     d = data->expect;
 171     qdict_put(d, "event", qstring_from_str("EVENT_B"));
 172     qapi_event_send_event_b(&error_abort);
 173 }
 174
 175 static void test_event_c(TestEventData *data,
 176                          const void *unused)
 177 {
 178     QDict *d, *d_data, *d_b;
 179
 180     UserDefOne b;
 181     b.integer = 2;
 182     b.string = g_strdup("test1");
 183     b.has_enum1 = false;
 184
 185     d_b = qdict_new();
 186     qdict_put(d_b, "integer", qint_from_int(2));
 187     qdict_put(d_b, "string", qstring_from_str("test1"));
 188
 189     d_data = qdict_new();
 190     qdict_put(d_data, "a", qint_from_int(1));
 191     qdict_put(d_data, "b", d_b);
 192     qdict_put(d_data, "c", qstring_from_str("test2"));
 193
 194     d = data->expect;
 195     qdict_put(d, "event", qstring_from_str("EVENT_C"));
 196     qdict_put(d, "data", d_data);
 197
 198     qapi_event_send_event_c(true, 1, true, &b, "test2", &error_abort);
 199
 200     g_free(b.string);
 201 }
 202
 203 /* Complex type */
 204 static void test_event_d(TestEventData *data,
 205                          const void *unused)
 206 {
 207     UserDefOne struct1;
 208     EventStructOne a;
 209     QDict *d, *d_data, *d_a, *d_struct1;
 210
 211     struct1.integer = 2;
 212     struct1.string = g_strdup("test1");
 213     struct1.has_enum1 = true;
 214     struct1.enum1 = ENUM_ONE_VALUE1;
 215
 216     a.struct1 = &struct1;
 217     a.string = g_strdup("test2");
 218     a.has_enum2 = true;
 219     a.enum2 = ENUM_ONE_VALUE2;
 220
 221     d_struct1 = qdict_new();
 222     qdict_put(d_struct1, "integer", qint_from_int(2));
 223     qdict_put(d_struct1, "string", qstring_from_str("test1"));
 224     qdict_put(d_struct1, "enum1", qstring_from_str("value1"));
 225
 226     d_a = qdict_new();
 227     qdict_put(d_a, "struct1", d_struct1);
 228     qdict_put(d_a, "string", qstring_from_str("test2"));
 229     qdict_put(d_a, "enum2", qstring_from_str("value2"));
 230
 231     d_data = qdict_new();
 232     qdict_put(d_data, "a", d_a);
 233     qdict_put(d_data, "b", qstring_from_str("test3"));
 234     qdict_put(d_data, "enum3", qstring_from_str("value3"));
 235
 236     d = data->expect;
 237     qdict_put(d, "event", qstring_from_str("EVENT_D"));
 238     qdict_put(d, "data", d_data);
 239
 240     qapi_event_send_event_d(&a, "test3", false, NULL, true, ENUM_ONE_VALUE3,
 241                            &error_abort);
 242
 243     g_free(struct1.string);
 244     g_free(a.string);
 245 }
 246
 247 int main(int argc, char **argv)
 248 {
 249 #if !GLIB_CHECK_VERSION(2, 31, 0)
 250     if (!g_thread_supported()) {
 251        g_thread_init(NULL);
 252     }
 253 #endif
 254
 255     qmp_event_set_func_emit(event_test_emit);
 256
 257     g_test_init(&argc, &argv, NULL);
 258
 259     event_test_add("/event/event_a", test_event_a);
 260     event_test_add("/event/event_b", test_event_b);
 261     event_test_add("/event/event_c", test_event_c);
 262     event_test_add("/event/event_d", test_event_d);
 263     g_test_run();
 264
 265     return 0;
 266 }