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 "qapi/error.h"
  18 #include "qapi/qmp/qbool.h"
  19 #include "qapi/qmp/qdict.h"
  20 #include "qapi/qmp/qnum.h"
  21 #include "qapi/qmp/qstring.h"
  22 #include "qapi/qmp-event.h"
  23 #include "test-qapi-events.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 GMutex 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     int64_t val1, val2;
  45
  46     if (!d->result) {
  47         return;
  48     }
  49
  50     obj2 = qdict_get(d->expect, key);
  51     if (!obj2) {
  52         d->result = false;
  53         return;
  54     }
  55
  56     if (qobject_type(obj1) != qobject_type(obj2)) {
  57         d->result = false;
  58         return;
  59     }
  60
  61     switch (qobject_type(obj1)) {
  62     case QTYPE_QBOOL:
  63         d->result = (qbool_get_bool(qobject_to(QBool, obj1)) ==
  64                      qbool_get_bool(qobject_to(QBool, obj2)));
  65         return;
  66     case QTYPE_QNUM:
  67         g_assert(qnum_get_try_int(qobject_to(QNum, obj1), &val1));
  68         g_assert(qnum_get_try_int(qobject_to(QNum, obj2), &val2));
  69         d->result = val1 == val2;
  70         return;
  71     case QTYPE_QSTRING:
  72         d->result = g_strcmp0(qstring_get_str(qobject_to(QString, obj1)),
  73                               qstring_get_str(qobject_to(QString, obj2))) == 0;
  74         return;
  75     case QTYPE_QDICT:
  76         d_new.expect = qobject_to(QDict, obj2);
  77         d_new.result = true;
  78         qdict_iter(qobject_to(QDict, obj1), qdict_cmp_do_simple, &d_new);
  79         d->result = d_new.result;
  80         return;
  81     default:
  82         abort();
  83     }
  84 }
  85
  86 static bool qdict_cmp_simple(QDict *a, QDict *b)
  87 {
  88     QDictCmpData d;
  89
  90     d.expect = b;
  91     d.result = true;
  92     qdict_iter(a, qdict_cmp_do_simple, &d);
  93     return d.result;
  94 }
  95
  96 /* This function is hooked as final emit function, which can verify the
  97    correctness. */
  98 static void event_test_emit(test_QAPIEvent event, QDict *d)
  99 {
 100     QDict *t;
 101     int64_t s, ms;
 102
 103     /* Verify that we have timestamp, then remove it to compare other fields */
 104     t = qdict_get_qdict(d, "timestamp");
 105     g_assert(t);
 106     s = qdict_get_try_int(t, "seconds", -2);
 107     ms = qdict_get_try_int(t, "microseconds", -2);
 108     if (s == -1) {
 109         g_assert(ms == -1);
 110     } else {
 111         g_assert(s >= 0);
 112         g_assert(ms >= 0 && ms <= 999999);
 113     }
 114     g_assert(qdict_size(t) == 2);
 115
 116     qdict_del(d, "timestamp");
 117
 118     g_assert(qdict_cmp_simple(d, test_event_data->expect));
 119
 120 }
 121
 122 static void event_prepare(TestEventData *data,
 123                           const void *unused)
 124 {
 125     /* Global variable test_event_data was used to pass the expectation, so
 126        test cases can't be executed at same time. */
 127     g_mutex_lock(&test_event_lock);
 128
 129     data->expect = qdict_new();
 130     test_event_data = data;
 131 }
 132
 133 static void event_teardown(TestEventData *data,
 134                            const void *unused)
 135 {
 136     qobject_unref(data->expect);
 137     test_event_data = NULL;
 138
 139     g_mutex_unlock(&test_event_lock);
 140 }
 141
 142 static void event_test_add(const char *testpath,
 143                            void (*test_func)(TestEventData *data,
 144                                              const void *user_data))
 145 {
 146     g_test_add(testpath, TestEventData, NULL, event_prepare, test_func,
 147                event_teardown);
 148 }
 149
 150
 151 /* Test cases */
 152
 153 static void test_event_a(TestEventData *data,
 154                          const void *unused)
 155 {
 156     QDict *d;
 157     d = data->expect;
 158     qdict_put_str(d, "event", "EVENT_A");
 159     qapi_event_send_event_a();
 160 }
 161
 162 static void test_event_b(TestEventData *data,
 163                          const void *unused)
 164 {
 165     QDict *d;
 166     d = data->expect;
 167     qdict_put_str(d, "event", "EVENT_B");
 168     qapi_event_send_event_b();
 169 }
 170
 171 static void test_event_c(TestEventData *data,
 172                          const void *unused)
 173 {
 174     QDict *d, *d_data, *d_b;
 175
 176     UserDefOne b;
 177     b.integer = 2;
 178     b.string = g_strdup("test1");
 179     b.has_enum1 = false;
 180
 181     d_b = qdict_new();
 182     qdict_put_int(d_b, "integer", 2);
 183     qdict_put_str(d_b, "string", "test1");
 184
 185     d_data = qdict_new();
 186     qdict_put_int(d_data, "a", 1);
 187     qdict_put(d_data, "b", d_b);
 188     qdict_put_str(d_data, "c", "test2");
 189
 190     d = data->expect;
 191     qdict_put_str(d, "event", "EVENT_C");
 192     qdict_put(d, "data", d_data);
 193
 194     qapi_event_send_event_c(true, 1, true, &b, "test2");
 195
 196     g_free(b.string);
 197 }
 198
 199 /* Complex type */
 200 static void test_event_d(TestEventData *data,
 201                          const void *unused)
 202 {
 203     UserDefOne struct1;
 204     EventStructOne a;
 205     QDict *d, *d_data, *d_a, *d_struct1;
 206
 207     struct1.integer = 2;
 208     struct1.string = g_strdup("test1");
 209     struct1.has_enum1 = true;
 210     struct1.enum1 = ENUM_ONE_VALUE1;
 211
 212     a.struct1 = &struct1;
 213     a.string = g_strdup("test2");
 214     a.has_enum2 = true;
 215     a.enum2 = ENUM_ONE_VALUE2;
 216
 217     d_struct1 = qdict_new();
 218     qdict_put_int(d_struct1, "integer", 2);
 219     qdict_put_str(d_struct1, "string", "test1");
 220     qdict_put_str(d_struct1, "enum1", "value1");
 221
 222     d_a = qdict_new();
 223     qdict_put(d_a, "struct1", d_struct1);
 224     qdict_put_str(d_a, "string", "test2");
 225     qdict_put_str(d_a, "enum2", "value2");
 226
 227     d_data = qdict_new();
 228     qdict_put(d_data, "a", d_a);
 229     qdict_put_str(d_data, "b", "test3");
 230     qdict_put_str(d_data, "enum3", "value3");
 231
 232     d = data->expect;
 233     qdict_put_str(d, "event", "EVENT_D");
 234     qdict_put(d, "data", d_data);
 235
 236     qapi_event_send_event_d(&a, "test3", false, NULL, true, ENUM_ONE_VALUE3);
 237
 238     g_free(struct1.string);
 239     g_free(a.string);
 240 }
 241
 242 int main(int argc, char **argv)
 243 {
 244     qmp_event_set_func_emit(event_test_emit);
 245
 246     g_test_init(&argc, &argv, NULL);
 247
 248     event_test_add("/event/event_a", test_event_a);
 249     event_test_add("/event/event_b", test_event_b);
 250     event_test_add("/event/event_c", test_event_c);
 251     event_test_add("/event/event_d", test_event_d);
 252     g_test_run();
 253
 254     return 0;
 255 }