qemu/tests/test-qmp-event.c
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   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/qobject.h"
  22#include "qapi/qmp-event.h"
  23
  24typedef struct TestEventData {
  25    QDict *expect;
  26} TestEventData;
  27
  28typedef struct QDictCmpData {
  29    QDict *expect;
  30    bool result;
  31} QDictCmpData;
  32
  33TestEventData *test_event_data;
  34static CompatGMutex test_event_lock;
  35
  36/* Only compares bool, int, string */
  37static
  38void qdict_cmp_do_simple(const char *key, QObject *obj1, void *opaque)
  39
  40{
  41    QObject *obj2;
  42    QDictCmpData d_new, *d = opaque;
  43    int64_t val1, val2;
  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_QNUM:
  66        g_assert(qnum_get_try_int(qobject_to_qnum(obj1), &val1));
  67        g_assert(qnum_get_try_int(qobject_to_qnum(obj2), &val2));
  68        d->result = val1 == val2;
  69        return;
  70    case QTYPE_QSTRING:
  71        d->result = g_strcmp0(qstring_get_str(qobject_to_qstring(obj1)),
  72                              qstring_get_str(qobject_to_qstring(obj2))) == 0;
  73        return;
  74    case QTYPE_QDICT:
  75        d_new.expect = qobject_to_qdict(obj2);
  76        d_new.result = true;
  77        qdict_iter(qobject_to_qdict(obj1), qdict_cmp_do_simple, &d_new);
  78        d->result = d_new.result;
  79        return;
  80    default:
  81        abort();
  82    }
  83}
  84
  85static bool qdict_cmp_simple(QDict *a, QDict *b)
  86{
  87    QDictCmpData d;
  88
  89    d.expect = b;
  90    d.result = true;
  91    qdict_iter(a, qdict_cmp_do_simple, &d);
  92    return d.result;
  93}
  94
  95/* This function is hooked as final emit function, which can verify the
  96   correctness. */
  97static void event_test_emit(test_QAPIEvent event, QDict *d, Error **errp)
  98{
  99    QDict *t;
 100    int64_t s, ms;
 101
 102    /* Verify that we have timestamp, then remove it to compare other fields */
 103    t = qdict_get_qdict(d, "timestamp");
 104    g_assert(t);
 105    s = qdict_get_try_int(t, "seconds", -2);
 106    ms = qdict_get_try_int(t, "microseconds", -2);
 107    if (s == -1) {
 108        g_assert(ms == -1);
 109    } else {
 110        g_assert(s >= 0);
 111        g_assert(ms >= 0 && ms <= 999999);
 112    }
 113    g_assert(qdict_size(t) == 2);
 114
 115    qdict_del(d, "timestamp");
 116
 117    g_assert(qdict_cmp_simple(d, test_event_data->expect));
 118
 119}
 120
 121static void event_prepare(TestEventData *data,
 122                          const void *unused)
 123{
 124    /* Global variable test_event_data was used to pass the expectation, so
 125       test cases can't be executed at same time. */
 126    g_mutex_lock(&test_event_lock);
 127
 128    data->expect = qdict_new();
 129    test_event_data = data;
 130}
 131
 132static void event_teardown(TestEventData *data,
 133                           const void *unused)
 134{
 135    QDECREF(data->expect);
 136    test_event_data = NULL;
 137
 138    g_mutex_unlock(&test_event_lock);
 139}
 140
 141static void event_test_add(const char *testpath,
 142                           void (*test_func)(TestEventData *data,
 143                                             const void *user_data))
 144{
 145    g_test_add(testpath, TestEventData, NULL, event_prepare, test_func,
 146               event_teardown);
 147}
 148
 149
 150/* Test cases */
 151
 152static void test_event_a(TestEventData *data,
 153                         const void *unused)
 154{
 155    QDict *d;
 156    d = data->expect;
 157    qdict_put_str(d, "event", "EVENT_A");
 158    qapi_event_send_event_a(&error_abort);
 159}
 160
 161static void test_event_b(TestEventData *data,
 162                         const void *unused)
 163{
 164    QDict *d;
 165    d = data->expect;
 166    qdict_put_str(d, "event", "EVENT_B");
 167    qapi_event_send_event_b(&error_abort);
 168}
 169
 170static void test_event_c(TestEventData *data,
 171                         const void *unused)
 172{
 173    QDict *d, *d_data, *d_b;
 174
 175    UserDefOne b;
 176    b.integer = 2;
 177    b.string = g_strdup("test1");
 178    b.has_enum1 = false;
 179
 180    d_b = qdict_new();
 181    qdict_put_int(d_b, "integer", 2);
 182    qdict_put_str(d_b, "string", "test1");
 183
 184    d_data = qdict_new();
 185    qdict_put_int(d_data, "a", 1);
 186    qdict_put(d_data, "b", d_b);
 187    qdict_put_str(d_data, "c", "test2");
 188
 189    d = data->expect;
 190    qdict_put_str(d, "event", "EVENT_C");
 191    qdict_put(d, "data", d_data);
 192
 193    qapi_event_send_event_c(true, 1, true, &b, "test2", &error_abort);
 194
 195    g_free(b.string);
 196}
 197
 198/* Complex type */
 199static void test_event_d(TestEventData *data,
 200                         const void *unused)
 201{
 202    UserDefOne struct1;
 203    EventStructOne a;
 204    QDict *d, *d_data, *d_a, *d_struct1;
 205
 206    struct1.integer = 2;
 207    struct1.string = g_strdup("test1");
 208    struct1.has_enum1 = true;
 209    struct1.enum1 = ENUM_ONE_VALUE1;
 210
 211    a.struct1 = &struct1;
 212    a.string = g_strdup("test2");
 213    a.has_enum2 = true;
 214    a.enum2 = ENUM_ONE_VALUE2;
 215
 216    d_struct1 = qdict_new();
 217    qdict_put_int(d_struct1, "integer", 2);
 218    qdict_put_str(d_struct1, "string", "test1");
 219    qdict_put_str(d_struct1, "enum1", "value1");
 220
 221    d_a = qdict_new();
 222    qdict_put(d_a, "struct1", d_struct1);
 223    qdict_put_str(d_a, "string", "test2");
 224    qdict_put_str(d_a, "enum2", "value2");
 225
 226    d_data = qdict_new();
 227    qdict_put(d_data, "a", d_a);
 228    qdict_put_str(d_data, "b", "test3");
 229    qdict_put_str(d_data, "enum3", "value3");
 230
 231    d = data->expect;
 232    qdict_put_str(d, "event", "EVENT_D");
 233    qdict_put(d, "data", d_data);
 234
 235    qapi_event_send_event_d(&a, "test3", false, NULL, true, ENUM_ONE_VALUE3,
 236                           &error_abort);
 237
 238    g_free(struct1.string);
 239    g_free(a.string);
 240}
 241
 242int main(int argc, char **argv)
 243{
 244#if !GLIB_CHECK_VERSION(2, 31, 0)
 245    if (!g_thread_supported()) {
 246       g_thread_init(NULL);
 247    }
 248#endif
 249
 250    qmp_event_set_func_emit(event_test_emit);
 251
 252    g_test_init(&argc, &argv, NULL);
 253
 254    event_test_add("/event/event_a", test_event_a);
 255    event_test_add("/event/event_b", test_event_b);
 256    event_test_add("/event/event_c", test_event_c);
 257    event_test_add("/event/event_d", test_event_d);
 258    g_test_run();
 259
 260    return 0;
 261}
 262