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, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef __G_TEST_UTILS_H__
  22 #define __G_TEST_UTILS_H__
  23
  24 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  25 #error "Only <glib.h> can be included directly."
  26 #endif
  27
  28 #include <glib/gmessages.h>
  29 #include <glib/gstring.h>
  30 #include <glib/gerror.h>
  31 #include <glib/gslist.h>
  32
  33 G_BEGIN_DECLS
  34
  35 typedef struct GTestCase  GTestCase;
  36 typedef struct GTestSuite GTestSuite;
  37 typedef void (*GTestFunc)        (void);
  38 typedef void (*GTestDataFunc)    (gconstpointer user_data);
  39 typedef void (*GTestFixtureFunc) (gpointer      fixture,
  40                                   gconstpointer user_data);
  41
  42 /* assertion API */
  43 #define g_assert_cmpstr(s1, cmp, s2)    do { const char *__s1 = (s1), *__s2 = (s2); \
  44                                              if (g_strcmp0 (__s1, __s2) cmp 0) ; else \
  45                                                g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  46                                                  #s1 " " #cmp " " #s2, __s1, #cmp, __s2); } while (0)
  47 #define g_assert_cmpint(n1, cmp, n2)    do { gint64 __n1 = (n1), __n2 = (n2); \
  48                                              if (__n1 cmp __n2) ; else \
  49                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  50                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'i'); } while (0)
  51 #define g_assert_cmpuint(n1, cmp, n2)   do { guint64 __n1 = (n1), __n2 = (n2); \
  52                                              if (__n1 cmp __n2) ; else \
  53                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  54                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'i'); } while (0)
  55 #define g_assert_cmphex(n1, cmp, n2)    do { guint64 __n1 = (n1), __n2 = (n2); \
  56                                              if (__n1 cmp __n2) ; else \
  57                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  58                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'x'); } while (0)
  59 #define g_assert_cmpfloat(n1,cmp,n2)    do { long double __n1 = (n1), __n2 = (n2); \
  60                                              if (__n1 cmp __n2) ; else \
  61                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  62                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'f'); } while (0)
  63 #define g_assert_no_error(err)          do { if (err) \
  64                                                g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  65                                                  #err, err, 0, 0); } while (0)
  66 #define g_assert_error(err, dom, c)     do { if (!err || (err)->domain != dom || (err)->code != c) \
  67                                                g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  68                                                  #err, err, dom, c); } while (0)
  69 #ifdef G_DISABLE_ASSERT
  70 #define g_assert_not_reached()          do { (void) 0; } while (0)
  71 #define g_assert(expr)                  do { (void) 0; } while (0)
  72 #else /* !G_DISABLE_ASSERT */
  73 #define g_assert_not_reached()          do { g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, NULL); } while (0)
  74 #define g_assert(expr)                  do { if G_LIKELY (expr) ; else \
  75                                                g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  76                                                  #expr); } while (0)
  77 #endif /* !G_DISABLE_ASSERT */
  78
  79 GLIB_AVAILABLE_IN_ALL
  80 int     g_strcmp0                       (const char     *str1,
  81                                          const char     *str2);
  82
  83 /* report performance results */
  84 GLIB_AVAILABLE_IN_ALL
  85 void    g_test_minimized_result         (double          minimized_quantity,
  86                                          const char     *format,
  87                                          ...) G_GNUC_PRINTF (2, 3);
  88 GLIB_AVAILABLE_IN_ALL
  89 void    g_test_maximized_result         (double          maximized_quantity,
  90                                          const char     *format,
  91                                          ...) G_GNUC_PRINTF (2, 3);
  92
  93 /* initialize testing framework */
  94 GLIB_AVAILABLE_IN_ALL
  95 void    g_test_init                     (int            *argc,
  96                                          char         ***argv,
  97                                          ...);
  98 /* query testing framework config */
  99 #define g_test_initialized()            (g_test_config_vars->test_initialized)
 100 #define g_test_quick()                  (g_test_config_vars->test_quick)
 101 #define g_test_slow()                   (!g_test_config_vars->test_quick)
 102 #define g_test_thorough()               (!g_test_config_vars->test_quick)
 103 #define g_test_perf()                   (g_test_config_vars->test_perf)
 104 #define g_test_verbose()                (g_test_config_vars->test_verbose)
 105 #define g_test_quiet()                  (g_test_config_vars->test_quiet)
 106 #define g_test_undefined()              (g_test_config_vars->test_undefined)
 107 GLIB_AVAILABLE_IN_2_38
 108 gboolean g_test_subprocess (void);
 109
 110 /* run all tests under toplevel suite (path: /) */
 111 GLIB_AVAILABLE_IN_ALL
 112 int     g_test_run                      (void);
 113 /* hook up a test functions under test path */
 114 GLIB_AVAILABLE_IN_ALL
 115 void    g_test_add_func                 (const char     *testpath,
 116                                          GTestFunc       test_func);
 117
 118 GLIB_AVAILABLE_IN_ALL
 119 void    g_test_add_data_func            (const char     *testpath,
 120                                          gconstpointer   test_data,
 121                                          GTestDataFunc   test_func);
 122
 123 GLIB_AVAILABLE_IN_2_34
 124 void    g_test_add_data_func_full       (const char     *testpath,
 125                                          gpointer        test_data,
 126                                          GTestDataFunc   test_func,
 127                                          GDestroyNotify  data_free_func);
 128
 129 /* tell about failure */
 130 GLIB_AVAILABLE_IN_2_30
 131 void    g_test_fail                     (void);
 132
 133 /* hook up a test with fixture under test path */
 134 #define g_test_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
 135                                         G_STMT_START {                  \
 136                                          void (*add_vtable) (const char*,       \
 137                                                     gsize,             \
 138                                                     gconstpointer,     \
 139                                                     void (*) (Fixture*, gconstpointer),   \
 140                                                     void (*) (Fixture*, gconstpointer),   \
 141                                                     void (*) (Fixture*, gconstpointer)) =  (void (*) (const gchar *, gsize, gconstpointer, void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer))) g_test_add_vtable; \
 142                                          add_vtable \
 143                                           (testpath, sizeof (Fixture), tdata, fsetup, ftest, fteardown); \
 144                                         } G_STMT_END
 145
 146 /* add test messages to the test report */
 147 GLIB_AVAILABLE_IN_ALL
 148 void    g_test_message                  (const char *format,
 149                                          ...) G_GNUC_PRINTF (1, 2);
 150 GLIB_AVAILABLE_IN_ALL
 151 void    g_test_bug_base                 (const char *uri_pattern);
 152 GLIB_AVAILABLE_IN_ALL
 153 void    g_test_bug                      (const char *bug_uri_snippet);
 154 /* measure test timings */
 155 GLIB_AVAILABLE_IN_ALL
 156 void    g_test_timer_start              (void);
 157 GLIB_AVAILABLE_IN_ALL
 158 double  g_test_timer_elapsed            (void); /* elapsed seconds */
 159 GLIB_AVAILABLE_IN_ALL
 160 double  g_test_timer_last               (void); /* repeat last elapsed() result */
 161
 162 /* automatically g_free or g_object_unref upon teardown */
 163 GLIB_AVAILABLE_IN_ALL
 164 void    g_test_queue_free               (gpointer gfree_pointer);
 165 GLIB_AVAILABLE_IN_ALL
 166 void    g_test_queue_destroy            (GDestroyNotify destroy_func,
 167                                          gpointer       destroy_data);
 168 #define g_test_queue_unref(gobject)     g_test_queue_destroy (g_object_unref, gobject)
 169
 170 typedef enum {
 171   G_TEST_TRAP_SILENCE_STDOUT    = 1 << 7,
 172   G_TEST_TRAP_SILENCE_STDERR    = 1 << 8,
 173   G_TEST_TRAP_INHERIT_STDIN     = 1 << 9
 174 } GTestTrapFlags;
 175
 176 GLIB_DEPRECATED_IN_2_38_FOR (g_test_trap_subprocess)
 177 gboolean g_test_trap_fork               (guint64              usec_timeout,
 178                                          GTestTrapFlags       test_trap_flags);
 179
 180 typedef enum {
 181   G_TEST_SUBPROCESS_INHERIT_STDIN  = 1 << 0,
 182   G_TEST_SUBPROCESS_INHERIT_STDOUT = 1 << 1,
 183   G_TEST_SUBPROCESS_INHERIT_STDERR = 1 << 2,
 184 } GTestSubprocessFlags;
 185
 186 GLIB_AVAILABLE_IN_2_38
 187 void     g_test_trap_subprocess         (const char           *test_path,
 188                                          guint64               usec_timeout,
 189                                          GTestSubprocessFlags  test_flags);
 190
 191 GLIB_AVAILABLE_IN_ALL
 192 gboolean g_test_trap_has_passed         (void);
 193 GLIB_AVAILABLE_IN_ALL
 194 gboolean g_test_trap_reached_timeout    (void);
 195 #define  g_test_trap_assert_passed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 0, 0)
 196 #define  g_test_trap_assert_failed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 1, 0)
 197 #define  g_test_trap_assert_stdout(soutpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 2, soutpattern)
 198 #define  g_test_trap_assert_stdout_unmatched(soutpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 3, soutpattern)
 199 #define  g_test_trap_assert_stderr(serrpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 4, serrpattern)
 200 #define  g_test_trap_assert_stderr_unmatched(serrpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 5, serrpattern)
 201
 202 /* provide seed-able random numbers for tests */
 203 #define  g_test_rand_bit()              (0 != (g_test_rand_int() & (1 << 15)))
 204 GLIB_AVAILABLE_IN_ALL
 205 gint32   g_test_rand_int                (void);
 206 GLIB_AVAILABLE_IN_ALL
 207 gint32   g_test_rand_int_range          (gint32          begin,
 208                                          gint32          end);
 209 GLIB_AVAILABLE_IN_ALL
 210 double   g_test_rand_double             (void);
 211 GLIB_AVAILABLE_IN_ALL
 212 double   g_test_rand_double_range       (double          range_start,
 213                                          double          range_end);
 214
 215 /* semi-internal API */
 216 GLIB_AVAILABLE_IN_ALL
 217 GTestCase*    g_test_create_case        (const char       *test_name,
 218                                          gsize             data_size,
 219                                          gconstpointer     test_data,
 220                                          GTestFixtureFunc  data_setup,
 221                                          GTestFixtureFunc  data_test,
 222                                          GTestFixtureFunc  data_teardown);
 223 GLIB_AVAILABLE_IN_ALL
 224 GTestSuite*   g_test_create_suite       (const char       *suite_name);
 225 GLIB_AVAILABLE_IN_ALL
 226 GTestSuite*   g_test_get_root           (void);
 227 GLIB_AVAILABLE_IN_ALL
 228 void          g_test_suite_add          (GTestSuite     *suite,
 229                                          GTestCase      *test_case);
 230 GLIB_AVAILABLE_IN_ALL
 231 void          g_test_suite_add_suite    (GTestSuite     *suite,
 232                                          GTestSuite     *nestedsuite);
 233 GLIB_AVAILABLE_IN_ALL
 234 int           g_test_run_suite          (GTestSuite     *suite);
 235
 236 /* internal ABI */
 237 GLIB_AVAILABLE_IN_ALL
 238 void    g_test_trap_assertions          (const char     *domain,
 239                                          const char     *file,
 240                                          int             line,
 241                                          const char     *func,
 242                                          guint64         assertion_flags, /* 0-pass, 1-fail, 2-outpattern, 4-errpattern */
 243                                          const char     *pattern);
 244 GLIB_AVAILABLE_IN_ALL
 245 void    g_assertion_message             (const char     *domain,
 246                                          const char     *file,
 247                                          int             line,
 248                                          const char     *func,
 249                                          const char     *message) G_GNUC_NORETURN;
 250 GLIB_AVAILABLE_IN_ALL
 251 void    g_assertion_message_expr        (const char     *domain,
 252                                          const char     *file,
 253                                          int             line,
 254                                          const char     *func,
 255                                          const char     *expr) G_GNUC_NORETURN;
 256 GLIB_AVAILABLE_IN_ALL
 257 void    g_assertion_message_cmpstr      (const char     *domain,
 258                                          const char     *file,
 259                                          int             line,
 260                                          const char     *func,
 261                                          const char     *expr,
 262                                          const char     *arg1,
 263                                          const char     *cmp,
 264                                          const char     *arg2) G_GNUC_NORETURN;
 265 GLIB_AVAILABLE_IN_ALL
 266 void    g_assertion_message_cmpnum      (const char     *domain,
 267                                          const char     *file,
 268                                          int             line,
 269                                          const char     *func,
 270                                          const char     *expr,
 271                                          long double     arg1,
 272                                          const char     *cmp,
 273                                          long double     arg2,
 274                                          char            numtype) G_GNUC_NORETURN;
 275 GLIB_AVAILABLE_IN_ALL
 276 void    g_assertion_message_error       (const char     *domain,
 277                                          const char     *file,
 278                                          int             line,
 279                                          const char     *func,
 280                                          const char     *expr,
 281                                          const GError   *error,
 282                                          GQuark          error_domain,
 283                                          int             error_code) G_GNUC_NORETURN;
 284 GLIB_AVAILABLE_IN_ALL
 285 void    g_test_add_vtable               (const char     *testpath,
 286                                          gsize           data_size,
 287                                          gconstpointer   test_data,
 288                                          GTestFixtureFunc  data_setup,
 289                                          GTestFixtureFunc  data_test,
 290                                          GTestFixtureFunc  data_teardown);
 291 typedef struct {
 292   gboolean      test_initialized;
 293   gboolean      test_quick;     /* disable thorough tests */
 294   gboolean      test_perf;      /* run performance tests */
 295   gboolean      test_verbose;   /* extra info */
 296   gboolean      test_quiet;     /* reduce output */
 297   gboolean      test_undefined; /* run tests that are meant to assert */
 298 } GTestConfig;
 299 GLIB_VAR const GTestConfig * const g_test_config_vars;
 300
 301 /* internal logging API */
 302 typedef enum {
 303   G_TEST_LOG_NONE,
 304   G_TEST_LOG_ERROR,             /* s:msg */
 305   G_TEST_LOG_START_BINARY,      /* s:binaryname s:seed */
 306   G_TEST_LOG_LIST_CASE,         /* s:testpath */
 307   G_TEST_LOG_SKIP_CASE,         /* s:testpath */
 308   G_TEST_LOG_START_CASE,        /* s:testpath */
 309   G_TEST_LOG_STOP_CASE,         /* d:status d:nforks d:elapsed */
 310   G_TEST_LOG_MIN_RESULT,        /* s:blurb d:result */
 311   G_TEST_LOG_MAX_RESULT,        /* s:blurb d:result */
 312   G_TEST_LOG_MESSAGE            /* s:blurb */
 313 } GTestLogType;
 314
 315 typedef struct {
 316   GTestLogType  log_type;
 317   guint         n_strings;
 318   gchar       **strings; /* NULL terminated */
 319   guint         n_nums;
 320   long double  *nums;
 321 } GTestLogMsg;
 322 typedef struct {
 323   /*< private >*/
 324   GString     *data;
 325   GSList      *msgs;
 326 } GTestLogBuffer;
 327
 328 GLIB_AVAILABLE_IN_ALL
 329 const char*     g_test_log_type_name    (GTestLogType    log_type);
 330 GLIB_AVAILABLE_IN_ALL
 331 GTestLogBuffer* g_test_log_buffer_new   (void);
 332 GLIB_AVAILABLE_IN_ALL
 333 void            g_test_log_buffer_free  (GTestLogBuffer *tbuffer);
 334 GLIB_AVAILABLE_IN_ALL
 335 void            g_test_log_buffer_push  (GTestLogBuffer *tbuffer,
 336                                          guint           n_bytes,
 337                                          const guint8   *bytes);
 338 GLIB_AVAILABLE_IN_ALL
 339 GTestLogMsg*    g_test_log_buffer_pop   (GTestLogBuffer *tbuffer);
 340 GLIB_AVAILABLE_IN_ALL
 341 void            g_test_log_msg_free     (GTestLogMsg    *tmsg);
 342
 343 /**
 344  * GTestLogFatalFunc:
 345  * @log_domain: the log domain of the message
 346  * @log_level: the log level of the message (including the fatal and recursion flags)
 347  * @message: the message to process
 348  * @user_data: user data, set in g_test_log_set_fatal_handler()
 349  *
 350  * Specifies the prototype of fatal log handler functions.
 351  *
 352  * Return value: %TRUE if the program should abort, %FALSE otherwise
 353  *
 354  * Since: 2.22
 355  */
 356 typedef gboolean        (*GTestLogFatalFunc)    (const gchar    *log_domain,
 357                                                  GLogLevelFlags  log_level,
 358                                                  const gchar    *message,
 359                                                  gpointer        user_data);
 360 GLIB_AVAILABLE_IN_ALL
 361 void
 362 g_test_log_set_fatal_handler            (GTestLogFatalFunc log_func,
 363                                          gpointer          user_data);
 364
 365 GLIB_AVAILABLE_IN_2_34
 366 void    g_test_expect_message                    (const gchar    *log_domain,
 367                                                   GLogLevelFlags  log_level,
 368                                                   const gchar    *pattern);
 369 GLIB_AVAILABLE_IN_2_34
 370 void    g_test_assert_expected_messages_internal (const char     *domain,
 371                                                   const char     *file,
 372                                                   int             line,
 373                                                   const char     *func);
 374
 375 #define g_test_assert_expected_messages() g_test_assert_expected_messages_internal (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC)
 376
 377 G_END_DECLS
 378
 379 #endif /* __G_TEST_UTILS_H__ */