glib/gtestutils.h

   1 /* GLib testing utilities
   2  * Copyright (C) 2007 Imendio AB
   3  * Authors: Tim Janik
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef __G_TEST_UTILS_H__
  20 #define __G_TEST_UTILS_H__
  21
  22 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  23 #error "Only <glib.h> can be included directly."
  24 #endif
  25
  26 #include <glib/gmessages.h>
  27 #include <glib/gstring.h>
  28 #include <glib/gerror.h>
  29 #include <glib/gslist.h>
  30
  31 G_BEGIN_DECLS
  32
  33 typedef struct GTestCase  GTestCase;
  34 typedef struct GTestSuite GTestSuite;
  35 typedef void (*GTestFunc)        (void);
  36 typedef void (*GTestDataFunc)    (gconstpointer user_data);
  37 typedef void (*GTestFixtureFunc) (gpointer      fixture,
  38                                   gconstpointer user_data);
  39
  40 /* assertion API */
  41 #define g_assert_cmpstr(s1, cmp, s2)    G_STMT_START { \
  42                                              const char *__s1 = (s1), *__s2 = (s2); \
  43                                              if (g_strcmp0 (__s1, __s2) cmp 0) ; else \
  44                                                g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  45                                                  #s1 " " #cmp " " #s2, __s1, #cmp, __s2); \
  46                                         } G_STMT_END
  47 #define g_assert_cmpint(n1, cmp, n2)    G_STMT_START { \
  48                                              gint64 __n1 = (n1), __n2 = (n2); \
  49                                              if (__n1 cmp __n2) ; else \
  50                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  51                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'i'); \
  52                                         } G_STMT_END
  53 #define g_assert_cmpuint(n1, cmp, n2)   G_STMT_START { \
  54                                              guint64 __n1 = (n1), __n2 = (n2); \
  55                                              if (__n1 cmp __n2) ; else \
  56                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  57                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'i'); \
  58                                         } G_STMT_END
  59 #define g_assert_cmphex(n1, cmp, n2)    G_STMT_START {\
  60                                              guint64 __n1 = (n1), __n2 = (n2); \
  61                                              if (__n1 cmp __n2) ; else \
  62                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  63                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'x'); \
  64                                         } G_STMT_END
  65 #define g_assert_cmpfloat(n1,cmp,n2)    G_STMT_START { \
  66                                              long double __n1 = (n1), __n2 = (n2); \
  67                                              if (__n1 cmp __n2) ; else \
  68                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  69                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'f'); \
  70                                         } G_STMT_END
  71 #define g_assert_cmpmem(m1, l1, m2, l2) G_STMT_START {\
  72                                              gconstpointer __m1 = m1, __m2 = m2; \
  73                                              int __l1 = l1, __l2 = l2; \
  74                                              if (__l1 != __l2) \
  75                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  76                                                                            #l1 " (len(" #m1 ")) == " #l2 " (len(" #m2 "))", __l1, "==", __l2, 'i'); \
  77                                              else if (__l1 != 0 && memcmp (__m1, __m2, __l1) != 0) \
  78                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  79                                                                     "assertion failed (" #m1 " == " #m2 ")"); \
  80                                         } G_STMT_END
  81 #define g_assert_no_error(err)          G_STMT_START { \
  82                                              if (err) \
  83                                                g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  84                                                  #err, err, 0, 0); \
  85                                         } G_STMT_END
  86 #define g_assert_error(err, dom, c)     G_STMT_START { \
  87                                                if (!err || (err)->domain != dom || (err)->code != c) \
  88                                                g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  89                                                  #err, err, dom, c); \
  90                                         } G_STMT_END
  91 #define g_assert_true(expr)             G_STMT_START { \
  92                                              if G_LIKELY (expr) ; else \
  93                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  94                                                                     "'" #expr "' should be TRUE"); \
  95                                         } G_STMT_END
  96 #define g_assert_false(expr)            G_STMT_START { \
  97                                              if G_LIKELY (!(expr)) ; else \
  98                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  99                                                                     "'" #expr "' should be FALSE"); \
 100                                         } G_STMT_END
 101 #define g_assert_null(expr)             G_STMT_START { if G_LIKELY ((expr) == NULL) ; else \
 102                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
 103                                                                     "'" #expr "' should be NULL"); \
 104                                         } G_STMT_END
 105 #define g_assert_nonnull(expr)          G_STMT_START { \
 106                                              if G_LIKELY ((expr) != NULL) ; else \
 107                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
 108                                                                     "'" #expr "' should not be NULL"); \
 109                                         } G_STMT_END
 110 #ifdef G_DISABLE_ASSERT
 111 #define g_assert_not_reached()          G_STMT_START { (void) 0; } G_STMT_END
 112 #define g_assert(expr)                  G_STMT_START { (void) 0; } G_STMT_END
 113 #else /* !G_DISABLE_ASSERT */
 114 #define g_assert_not_reached()          G_STMT_START { g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, NULL); } G_STMT_END
 115 #define g_assert(expr)                  G_STMT_START { \
 116                                              if G_LIKELY (expr) ; else \
 117                                                g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
 118                                                                          #expr); \
 119                                         } G_STMT_END
 120 #endif /* !G_DISABLE_ASSERT */
 121
 122 GLIB_AVAILABLE_IN_ALL
 123 int     g_strcmp0                       (const char     *str1,
 124                                          const char     *str2);
 125
 126 /* report performance results */
 127 GLIB_AVAILABLE_IN_ALL
 128 void    g_test_minimized_result         (double          minimized_quantity,
 129                                          const char     *format,
 130                                          ...) G_GNUC_PRINTF (2, 3);
 131 GLIB_AVAILABLE_IN_ALL
 132 void    g_test_maximized_result         (double          maximized_quantity,
 133                                          const char     *format,
 134                                          ...) G_GNUC_PRINTF (2, 3);
 135
 136 /* initialize testing framework */
 137 GLIB_AVAILABLE_IN_ALL
 138 void    g_test_init                     (int            *argc,
 139                                          char         ***argv,
 140                                          ...) G_GNUC_NULL_TERMINATED;
 141 /* query testing framework config */
 142 #define g_test_initialized()            (g_test_config_vars->test_initialized)
 143 #define g_test_quick()                  (g_test_config_vars->test_quick)
 144 #define g_test_slow()                   (!g_test_config_vars->test_quick)
 145 #define g_test_thorough()               (!g_test_config_vars->test_quick)
 146 #define g_test_perf()                   (g_test_config_vars->test_perf)
 147 #define g_test_verbose()                (g_test_config_vars->test_verbose)
 148 #define g_test_quiet()                  (g_test_config_vars->test_quiet)
 149 #define g_test_undefined()              (g_test_config_vars->test_undefined)
 150 GLIB_AVAILABLE_IN_2_38
 151 gboolean g_test_subprocess (void);
 152
 153 /* run all tests under toplevel suite (path: /) */
 154 GLIB_AVAILABLE_IN_ALL
 155 int     g_test_run                      (void);
 156 /* hook up a test functions under test path */
 157 GLIB_AVAILABLE_IN_ALL
 158 void    g_test_add_func                 (const char     *testpath,
 159                                          GTestFunc       test_func);
 160
 161 GLIB_AVAILABLE_IN_ALL
 162 void    g_test_add_data_func            (const char     *testpath,
 163                                          gconstpointer   test_data,
 164                                          GTestDataFunc   test_func);
 165
 166 GLIB_AVAILABLE_IN_2_34
 167 void    g_test_add_data_func_full       (const char     *testpath,
 168                                          gpointer        test_data,
 169                                          GTestDataFunc   test_func,
 170                                          GDestroyNotify  data_free_func);
 171
 172 /* tell about failure */
 173 GLIB_AVAILABLE_IN_2_30
 174 void    g_test_fail                     (void);
 175 GLIB_AVAILABLE_IN_2_38
 176 void    g_test_incomplete               (const gchar *msg);
 177 GLIB_AVAILABLE_IN_2_38
 178 void    g_test_skip                     (const gchar *msg);
 179 GLIB_AVAILABLE_IN_2_38
 180 gboolean g_test_failed                  (void);
 181 GLIB_AVAILABLE_IN_2_38
 182 void    g_test_set_nonfatal_assertions  (void);
 183
 184 /* hook up a test with fixture under test path */
 185 #define g_test_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
 186                                         G_STMT_START {                  \
 187                                          void (*add_vtable) (const char*,       \
 188                                                     gsize,             \
 189                                                     gconstpointer,     \
 190                                                     void (*) (Fixture*, gconstpointer),   \
 191                                                     void (*) (Fixture*, gconstpointer),   \
 192                                                     void (*) (Fixture*, gconstpointer)) =  (void (*) (const gchar *, gsize, gconstpointer, void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer))) g_test_add_vtable; \
 193                                          add_vtable \
 194                                           (testpath, sizeof (Fixture), tdata, fsetup, ftest, fteardown); \
 195                                         } G_STMT_END
 196
 197 /* add test messages to the test report */
 198 GLIB_AVAILABLE_IN_ALL
 199 void    g_test_message                  (const char *format,
 200                                          ...) G_GNUC_PRINTF (1, 2);
 201 GLIB_AVAILABLE_IN_ALL
 202 void    g_test_bug_base                 (const char *uri_pattern);
 203 GLIB_AVAILABLE_IN_ALL
 204 void    g_test_bug                      (const char *bug_uri_snippet);
 205 /* measure test timings */
 206 GLIB_AVAILABLE_IN_ALL
 207 void    g_test_timer_start              (void);
 208 GLIB_AVAILABLE_IN_ALL
 209 double  g_test_timer_elapsed            (void); /* elapsed seconds */
 210 GLIB_AVAILABLE_IN_ALL
 211 double  g_test_timer_last               (void); /* repeat last elapsed() result */
 212
 213 /* automatically g_free or g_object_unref upon teardown */
 214 GLIB_AVAILABLE_IN_ALL
 215 void    g_test_queue_free               (gpointer gfree_pointer);
 216 GLIB_AVAILABLE_IN_ALL
 217 void    g_test_queue_destroy            (GDestroyNotify destroy_func,
 218                                          gpointer       destroy_data);
 219 #define g_test_queue_unref(gobject)     g_test_queue_destroy (g_object_unref, gobject)
 220
 221 typedef enum {
 222   G_TEST_TRAP_SILENCE_STDOUT    = 1 << 7,
 223   G_TEST_TRAP_SILENCE_STDERR    = 1 << 8,
 224   G_TEST_TRAP_INHERIT_STDIN     = 1 << 9
 225 } GTestTrapFlags;
 226
 227 GLIB_DEPRECATED_IN_2_38_FOR (g_test_trap_subprocess)
 228 gboolean g_test_trap_fork               (guint64              usec_timeout,
 229                                          GTestTrapFlags       test_trap_flags);
 230
 231 typedef enum {
 232   G_TEST_SUBPROCESS_INHERIT_STDIN  = 1 << 0,
 233   G_TEST_SUBPROCESS_INHERIT_STDOUT = 1 << 1,
 234   G_TEST_SUBPROCESS_INHERIT_STDERR = 1 << 2
 235 } GTestSubprocessFlags;
 236
 237 GLIB_AVAILABLE_IN_2_38
 238 void     g_test_trap_subprocess         (const char           *test_path,
 239                                          guint64               usec_timeout,
 240                                          GTestSubprocessFlags  test_flags);
 241
 242 GLIB_AVAILABLE_IN_ALL
 243 gboolean g_test_trap_has_passed         (void);
 244 GLIB_AVAILABLE_IN_ALL
 245 gboolean g_test_trap_reached_timeout    (void);
 246 #define  g_test_trap_assert_passed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 0, 0)
 247 #define  g_test_trap_assert_failed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 1, 0)
 248 #define  g_test_trap_assert_stdout(soutpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 2, soutpattern)
 249 #define  g_test_trap_assert_stdout_unmatched(soutpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 3, soutpattern)
 250 #define  g_test_trap_assert_stderr(serrpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 4, serrpattern)
 251 #define  g_test_trap_assert_stderr_unmatched(serrpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 5, serrpattern)
 252
 253 /* provide seed-able random numbers for tests */
 254 #define  g_test_rand_bit()              (0 != (g_test_rand_int() & (1 << 15)))
 255 GLIB_AVAILABLE_IN_ALL
 256 gint32   g_test_rand_int                (void);
 257 GLIB_AVAILABLE_IN_ALL
 258 gint32   g_test_rand_int_range          (gint32          begin,
 259                                          gint32          end);
 260 GLIB_AVAILABLE_IN_ALL
 261 double   g_test_rand_double             (void);
 262 GLIB_AVAILABLE_IN_ALL
 263 double   g_test_rand_double_range       (double          range_start,
 264                                          double          range_end);
 265
 266 /*
 267  * semi-internal API: non-documented symbols with stable ABI. You
 268  * should use the non-internal helper macros instead. However, for
 269  * compatibility reason, you may use this semi-internal API.
 270  */
 271 GLIB_AVAILABLE_IN_ALL
 272 GTestCase*    g_test_create_case        (const char       *test_name,
 273                                          gsize             data_size,
 274                                          gconstpointer     test_data,
 275                                          GTestFixtureFunc  data_setup,
 276                                          GTestFixtureFunc  data_test,
 277                                          GTestFixtureFunc  data_teardown);
 278 GLIB_AVAILABLE_IN_ALL
 279 GTestSuite*   g_test_create_suite       (const char       *suite_name);
 280 GLIB_AVAILABLE_IN_ALL
 281 GTestSuite*   g_test_get_root           (void);
 282 GLIB_AVAILABLE_IN_ALL
 283 void          g_test_suite_add          (GTestSuite     *suite,
 284                                          GTestCase      *test_case);
 285 GLIB_AVAILABLE_IN_ALL
 286 void          g_test_suite_add_suite    (GTestSuite     *suite,
 287                                          GTestSuite     *nestedsuite);
 288 GLIB_AVAILABLE_IN_ALL
 289 int           g_test_run_suite          (GTestSuite     *suite);
 290
 291 GLIB_AVAILABLE_IN_ALL
 292 void    g_test_trap_assertions          (const char     *domain,
 293                                          const char     *file,
 294                                          int             line,
 295                                          const char     *func,
 296                                          guint64         assertion_flags, /* 0-pass, 1-fail, 2-outpattern, 4-errpattern */
 297                                          const char     *pattern);
 298 GLIB_AVAILABLE_IN_ALL
 299 void    g_assertion_message             (const char     *domain,
 300                                          const char     *file,
 301                                          int             line,
 302                                          const char     *func,
 303                                          const char     *message);
 304 GLIB_AVAILABLE_IN_ALL
 305 void    g_assertion_message_expr        (const char     *domain,
 306                                          const char     *file,
 307                                          int             line,
 308                                          const char     *func,
 309                                          const char     *expr) G_GNUC_NORETURN;
 310 GLIB_AVAILABLE_IN_ALL
 311 void    g_assertion_message_cmpstr      (const char     *domain,
 312                                          const char     *file,
 313                                          int             line,
 314                                          const char     *func,
 315                                          const char     *expr,
 316                                          const char     *arg1,
 317                                          const char     *cmp,
 318                                          const char     *arg2);
 319 GLIB_AVAILABLE_IN_ALL
 320 void    g_assertion_message_cmpnum      (const char     *domain,
 321                                          const char     *file,
 322                                          int             line,
 323                                          const char     *func,
 324                                          const char     *expr,
 325                                          long double     arg1,
 326                                          const char     *cmp,
 327                                          long double     arg2,
 328                                          char            numtype);
 329 GLIB_AVAILABLE_IN_ALL
 330 void    g_assertion_message_error       (const char     *domain,
 331                                          const char     *file,
 332                                          int             line,
 333                                          const char     *func,
 334                                          const char     *expr,
 335                                          const GError   *error,
 336                                          GQuark          error_domain,
 337                                          int             error_code);
 338 GLIB_AVAILABLE_IN_ALL
 339 void    g_test_add_vtable               (const char     *testpath,
 340                                          gsize           data_size,
 341                                          gconstpointer   test_data,
 342                                          GTestFixtureFunc  data_setup,
 343                                          GTestFixtureFunc  data_test,
 344                                          GTestFixtureFunc  data_teardown);
 345 typedef struct {
 346   gboolean      test_initialized;
 347   gboolean      test_quick;     /* disable thorough tests */
 348   gboolean      test_perf;      /* run performance tests */
 349   gboolean      test_verbose;   /* extra info */
 350   gboolean      test_quiet;     /* reduce output */
 351   gboolean      test_undefined; /* run tests that are meant to assert */
 352 } GTestConfig;
 353 GLIB_VAR const GTestConfig * const g_test_config_vars;
 354
 355 /* internal logging API */
 356 typedef enum {
 357   G_TEST_LOG_NONE,
 358   G_TEST_LOG_ERROR,             /* s:msg */
 359   G_TEST_LOG_START_BINARY,      /* s:binaryname s:seed */
 360   G_TEST_LOG_LIST_CASE,         /* s:testpath */
 361   G_TEST_LOG_SKIP_CASE,         /* s:testpath */
 362   G_TEST_LOG_START_CASE,        /* s:testpath */
 363   G_TEST_LOG_STOP_CASE,         /* d:status d:nforks d:elapsed */
 364   G_TEST_LOG_MIN_RESULT,        /* s:blurb d:result */
 365   G_TEST_LOG_MAX_RESULT,        /* s:blurb d:result */
 366   G_TEST_LOG_MESSAGE,           /* s:blurb */
 367   G_TEST_LOG_START_SUITE,
 368   G_TEST_LOG_STOP_SUITE
 369 } GTestLogType;
 370
 371 typedef struct {
 372   GTestLogType  log_type;
 373   guint         n_strings;
 374   gchar       **strings; /* NULL terminated */
 375   guint         n_nums;
 376   long double  *nums;
 377 } GTestLogMsg;
 378 typedef struct {
 379   /*< private >*/
 380   GString     *data;
 381   GSList      *msgs;
 382 } GTestLogBuffer;
 383
 384 GLIB_AVAILABLE_IN_ALL
 385 const char*     g_test_log_type_name    (GTestLogType    log_type);
 386 GLIB_AVAILABLE_IN_ALL
 387 GTestLogBuffer* g_test_log_buffer_new   (void);
 388 GLIB_AVAILABLE_IN_ALL
 389 void            g_test_log_buffer_free  (GTestLogBuffer *tbuffer);
 390 GLIB_AVAILABLE_IN_ALL
 391 void            g_test_log_buffer_push  (GTestLogBuffer *tbuffer,
 392                                          guint           n_bytes,
 393                                          const guint8   *bytes);
 394 GLIB_AVAILABLE_IN_ALL
 395 GTestLogMsg*    g_test_log_buffer_pop   (GTestLogBuffer *tbuffer);
 396 GLIB_AVAILABLE_IN_ALL
 397 void            g_test_log_msg_free     (GTestLogMsg    *tmsg);
 398
 399 /**
 400  * GTestLogFatalFunc:
 401  * @log_domain: the log domain of the message
 402  * @log_level: the log level of the message (including the fatal and recursion flags)
 403  * @message: the message to process
 404  * @user_data: user data, set in g_test_log_set_fatal_handler()
 405  *
 406  * Specifies the prototype of fatal log handler functions.
 407  *
 408  * Returns: %TRUE if the program should abort, %FALSE otherwise
 409  *
 410  * Since: 2.22
 411  */
 412 typedef gboolean        (*GTestLogFatalFunc)    (const gchar    *log_domain,
 413                                                  GLogLevelFlags  log_level,
 414                                                  const gchar    *message,
 415                                                  gpointer        user_data);
 416 GLIB_AVAILABLE_IN_ALL
 417 void
 418 g_test_log_set_fatal_handler            (GTestLogFatalFunc log_func,
 419                                          gpointer          user_data);
 420
 421 GLIB_AVAILABLE_IN_2_34
 422 void    g_test_expect_message                    (const gchar    *log_domain,
 423                                                   GLogLevelFlags  log_level,
 424                                                   const gchar    *pattern);
 425 GLIB_AVAILABLE_IN_2_34
 426 void    g_test_assert_expected_messages_internal (const char     *domain,
 427                                                   const char     *file,
 428                                                   int             line,
 429                                                   const char     *func);
 430
 431 typedef enum
 432 {
 433   G_TEST_DIST,
 434   G_TEST_BUILT
 435 } GTestFileType;
 436
 437 GLIB_AVAILABLE_IN_2_38
 438 gchar * g_test_build_filename                    (GTestFileType   file_type,
 439                                                   const gchar    *first_path,
 440                                                   ...) G_GNUC_NULL_TERMINATED;
 441 GLIB_AVAILABLE_IN_2_38
 442 const gchar *g_test_get_dir                      (GTestFileType   file_type);
 443 GLIB_AVAILABLE_IN_2_38
 444 const gchar *g_test_get_filename                 (GTestFileType   file_type,
 445                                                   const gchar    *first_path,
 446                                                   ...) G_GNUC_NULL_TERMINATED;
 447
 448 #define g_test_assert_expected_messages() g_test_assert_expected_messages_internal (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC)
 449
 450 G_END_DECLS
 451
 452 #endif /* __G_TEST_UTILS_H__ */