tests/test-string-output-visitor.c

   1 /*
   2  * String Output Visitor unit-tests.
   3  *
   4  * Copyright (C) 2012 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Paolo Bonzini <pbonzini@redhat.com> (based on test-qmp-output-visitor)
   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
  15 #include "qemu-common.h"
  16 #include "qapi/error.h"
  17 #include "qapi/string-output-visitor.h"
  18 #include "test-qapi-types.h"
  19 #include "test-qapi-visit.h"
  20 #include "qapi/qmp/types.h"
  21
  22 typedef struct TestOutputVisitorData {
  23     Visitor *ov;
  24     char *str;
  25     bool human;
  26 } TestOutputVisitorData;
  27
  28 static void visitor_output_setup_internal(TestOutputVisitorData *data,
  29                                           bool human)
  30 {
  31     data->human = human;
  32     data->ov = string_output_visitor_new(human, &data->str);
  33     g_assert(data->ov);
  34 }
  35
  36 static void visitor_output_setup(TestOutputVisitorData *data,
  37                                  const void *unused)
  38 {
  39     return visitor_output_setup_internal(data, false);
  40 }
  41
  42 static void visitor_output_setup_human(TestOutputVisitorData *data,
  43                                        const void *unused)
  44 {
  45     return visitor_output_setup_internal(data, true);
  46 }
  47
  48 static void visitor_output_teardown(TestOutputVisitorData *data,
  49                                     const void *unused)
  50 {
  51     visit_free(data->ov);
  52     data->ov = NULL;
  53     g_free(data->str);
  54     data->str = NULL;
  55 }
  56
  57 static char *visitor_get(TestOutputVisitorData *data)
  58 {
  59     visit_complete(data->ov, &data->str);
  60     g_assert(data->str);
  61     return data->str;
  62 }
  63
  64 static void visitor_reset(TestOutputVisitorData *data)
  65 {
  66     bool human = data->human;
  67
  68     visitor_output_teardown(data, NULL);
  69     visitor_output_setup_internal(data, human);
  70 }
  71
  72 static void test_visitor_out_int(TestOutputVisitorData *data,
  73                                  const void *unused)
  74 {
  75     int64_t value = 42;
  76     Error *err = NULL;
  77     char *str;
  78
  79     visit_type_int(data->ov, NULL, &value, &err);
  80     g_assert(!err);
  81
  82     str = visitor_get(data);
  83     if (data->human) {
  84         g_assert_cmpstr(str, ==, "42 (0x2a)");
  85     } else {
  86         g_assert_cmpstr(str, ==, "42");
  87     }
  88 }
  89
  90 static void test_visitor_out_intList(TestOutputVisitorData *data,
  91                                      const void *unused)
  92 {
  93     int64_t value[] = {0, 1, 9, 10, 16, 15, 14,
  94         3, 4, 5, 6, 11, 12, 13, 21, 22, INT64_MAX - 1, INT64_MAX};
  95     intList *list = NULL, **tmp = &list;
  96     int i;
  97     Error *err = NULL;
  98     char *str;
  99
 100     for (i = 0; i < sizeof(value) / sizeof(value[0]); i++) {
 101         *tmp = g_malloc0(sizeof(**tmp));
 102         (*tmp)->value = value[i];
 103         tmp = &(*tmp)->next;
 104     }
 105
 106     visit_type_intList(data->ov, NULL, &list, &err);
 107     g_assert(err == NULL);
 108
 109     str = visitor_get(data);
 110     if (data->human) {
 111         g_assert_cmpstr(str, ==,
 112             "0-1,3-6,9-16,21-22,9223372036854775806-9223372036854775807 "
 113             "(0x0-0x1,0x3-0x6,0x9-0x10,0x15-0x16,"
 114             "0x7ffffffffffffffe-0x7fffffffffffffff)");
 115     } else {
 116         g_assert_cmpstr(str, ==,
 117             "0-1,3-6,9-16,21-22,9223372036854775806-9223372036854775807");
 118     }
 119     qapi_free_intList(list);
 120 }
 121
 122 static void test_visitor_out_bool(TestOutputVisitorData *data,
 123                                   const void *unused)
 124 {
 125     Error *err = NULL;
 126     bool value = true;
 127     char *str;
 128
 129     visit_type_bool(data->ov, NULL, &value, &err);
 130     g_assert(!err);
 131
 132     str = visitor_get(data);
 133     g_assert_cmpstr(str, ==, "true");
 134 }
 135
 136 static void test_visitor_out_number(TestOutputVisitorData *data,
 137                                     const void *unused)
 138 {
 139     double value = 3.14;
 140     Error *err = NULL;
 141     char *str;
 142
 143     visit_type_number(data->ov, NULL, &value, &err);
 144     g_assert(!err);
 145
 146     str = visitor_get(data);
 147     g_assert_cmpstr(str, ==, "3.140000");
 148 }
 149
 150 static void test_visitor_out_string(TestOutputVisitorData *data,
 151                                     const void *unused)
 152 {
 153     char *string = (char *) "Q E M U";
 154     const char *string_human = "\"Q E M U\"";
 155     Error *err = NULL;
 156     char *str;
 157
 158     visit_type_str(data->ov, NULL, &string, &err);
 159     g_assert(!err);
 160
 161     str = visitor_get(data);
 162     if (data->human) {
 163         g_assert_cmpstr(str, ==, string_human);
 164     } else {
 165         g_assert_cmpstr(str, ==, string);
 166     }
 167 }
 168
 169 static void test_visitor_out_no_string(TestOutputVisitorData *data,
 170                                        const void *unused)
 171 {
 172     char *string = NULL;
 173     char *str;
 174
 175     /* A null string should return "" */
 176     visit_type_str(data->ov, NULL, &string, &error_abort);
 177
 178     str = visitor_get(data);
 179     if (data->human) {
 180         g_assert_cmpstr(str, ==, "<null>");
 181     } else {
 182         g_assert_cmpstr(str, ==, "");
 183     }
 184 }
 185
 186 static void test_visitor_out_enum(TestOutputVisitorData *data,
 187                                   const void *unused)
 188 {
 189     char *str;
 190     EnumOne i;
 191
 192     for (i = 0; i < ENUM_ONE__MAX; i++) {
 193         visit_type_EnumOne(data->ov, "unused", &i, &error_abort);
 194
 195         str = visitor_get(data);
 196         if (data->human) {
 197             char *str_human = g_strdup_printf("\"%s\"", EnumOne_lookup[i]);
 198
 199             g_assert_cmpstr(str, ==, str_human);
 200             g_free(str_human);
 201         } else {
 202             g_assert_cmpstr(str, ==, EnumOne_lookup[i]);
 203         }
 204         visitor_reset(data);
 205     }
 206 }
 207
 208 static void test_visitor_out_enum_errors(TestOutputVisitorData *data,
 209                                          const void *unused)
 210 {
 211     EnumOne i, bad_values[] = { ENUM_ONE__MAX, -1 };
 212     Error *err;
 213
 214     for (i = 0; i < ARRAY_SIZE(bad_values) ; i++) {
 215         err = NULL;
 216         visit_type_EnumOne(data->ov, "unused", &bad_values[i], &err);
 217         error_free_or_abort(&err);
 218     }
 219 }
 220
 221 static void
 222 output_visitor_test_add(const char *testpath,
 223                         TestOutputVisitorData *data,
 224                         void (*test_func)(TestOutputVisitorData *data,
 225                                           const void *user_data),
 226                         bool human)
 227 {
 228     g_test_add(testpath, TestOutputVisitorData, data,
 229                human ? visitor_output_setup_human : visitor_output_setup,
 230                test_func, visitor_output_teardown);
 231 }
 232
 233 int main(int argc, char **argv)
 234 {
 235     TestOutputVisitorData out_visitor_data;
 236
 237     g_test_init(&argc, &argv, NULL);
 238
 239     output_visitor_test_add("/string-visitor/output/int",
 240                             &out_visitor_data, test_visitor_out_int, false);
 241     output_visitor_test_add("/string-visitor/output/int-human",
 242                             &out_visitor_data, test_visitor_out_int, true);
 243     output_visitor_test_add("/string-visitor/output/bool",
 244                             &out_visitor_data, test_visitor_out_bool, false);
 245     output_visitor_test_add("/string-visitor/output/bool-human",
 246                             &out_visitor_data, test_visitor_out_bool, true);
 247     output_visitor_test_add("/string-visitor/output/number",
 248                             &out_visitor_data, test_visitor_out_number, false);
 249     output_visitor_test_add("/string-visitor/output/number-human",
 250                             &out_visitor_data, test_visitor_out_number, true);
 251     output_visitor_test_add("/string-visitor/output/string",
 252                             &out_visitor_data, test_visitor_out_string, false);
 253     output_visitor_test_add("/string-visitor/output/string-human",
 254                             &out_visitor_data, test_visitor_out_string, true);
 255     output_visitor_test_add("/string-visitor/output/no-string",
 256                             &out_visitor_data, test_visitor_out_no_string,
 257                             false);
 258     output_visitor_test_add("/string-visitor/output/no-string-human",
 259                             &out_visitor_data, test_visitor_out_no_string,
 260                             true);
 261     output_visitor_test_add("/string-visitor/output/enum",
 262                             &out_visitor_data, test_visitor_out_enum, false);
 263     output_visitor_test_add("/string-visitor/output/enum-human",
 264                             &out_visitor_data, test_visitor_out_enum, true);
 265     output_visitor_test_add("/string-visitor/output/enum-errors",
 266                             &out_visitor_data, test_visitor_out_enum_errors,
 267                             false);
 268     output_visitor_test_add("/string-visitor/output/enum-errors-human",
 269                             &out_visitor_data, test_visitor_out_enum_errors,
 270                             true);
 271     output_visitor_test_add("/string-visitor/output/intList",
 272                             &out_visitor_data, test_visitor_out_intList, false);
 273     output_visitor_test_add("/string-visitor/output/intList-human",
 274                             &out_visitor_data, test_visitor_out_intList, true);
 275
 276     g_test_run();
 277
 278     return 0;
 279 }