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 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  22 #error "Only <glib.h> can be included directly."
  23 #endif
  24
  25 #ifndef __G_TEST_UTILS_H__
  26 #define __G_TEST_UTILS_H__
  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 int     g_strcmp0                       (const char     *str1,
  80                                          const char     *str2);
  81
  82 /* report performance results */
  83 void    g_test_minimized_result         (double          minimized_quantity,
  84                                          const char     *format,
  85                                          ...) G_GNUC_PRINTF (2, 3);
  86 void    g_test_maximized_result         (double          maximized_quantity,
  87                                          const char     *format,
  88                                          ...) G_GNUC_PRINTF (2, 3);
  89
  90 /* initialize testing framework */
  91 void    g_test_init                     (int            *argc,
  92                                          char         ***argv,
  93                                          ...);
  94 /* query testing framework config */
  95 #define g_test_quick()                  (g_test_config_vars->test_quick)
  96 #define g_test_slow()                   (!g_test_config_vars->test_quick)
  97 #define g_test_thorough()               (!g_test_config_vars->test_quick)
  98 #define g_test_perf()                   (g_test_config_vars->test_perf)
  99 #define g_test_verbose()                (g_test_config_vars->test_verbose)
 100 #define g_test_quiet()                  (g_test_config_vars->test_quiet)
 101 #define g_test_undefined()              (g_test_config_vars->test_undefined)
 102 /* run all tests under toplevel suite (path: /) */
 103 int     g_test_run                      (void);
 104 /* hook up a test functions under test path */
 105 void    g_test_add_func                 (const char     *testpath,
 106                                          GTestFunc       test_func);
 107
 108 void    g_test_add_data_func            (const char     *testpath,
 109                                          gconstpointer   test_data,
 110                                          GTestDataFunc   test_func);
 111 /* tell about failure */
 112 void    g_test_fail                     (void);
 113
 114 /* hook up a test with fixture under test path */
 115 #define g_test_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
 116                                         G_STMT_START {                  \
 117                                          void (*add_vtable) (const char*,       \
 118                                                     gsize,             \
 119                                                     gconstpointer,     \
 120                                                     void (*) (Fixture*, gconstpointer),   \
 121                                                     void (*) (Fixture*, gconstpointer),   \
 122                                                     void (*) (Fixture*, gconstpointer)) =  (void (*) (const gchar *, gsize, gconstpointer, void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer))) g_test_add_vtable; \
 123                                          add_vtable \
 124                                           (testpath, sizeof (Fixture), tdata, fsetup, ftest, fteardown); \
 125                                         } G_STMT_END
 126
 127 /* add test messages to the test report */
 128 void    g_test_message                  (const char *format,
 129                                          ...) G_GNUC_PRINTF (1, 2);
 130 void    g_test_bug_base                 (const char *uri_pattern);
 131 void    g_test_bug                      (const char *bug_uri_snippet);
 132 /* measure test timings */
 133 void    g_test_timer_start              (void);
 134 double  g_test_timer_elapsed            (void); /* elapsed seconds */
 135 double  g_test_timer_last               (void); /* repeat last elapsed() result */
 136
 137 /* automatically g_free or g_object_unref upon teardown */
 138 void    g_test_queue_free               (gpointer gfree_pointer);
 139 void    g_test_queue_destroy            (GDestroyNotify destroy_func,
 140                                          gpointer       destroy_data);
 141 #define g_test_queue_unref(gobject)     g_test_queue_destroy (g_object_unref, gobject)
 142
 143 /* test traps are guards used around forked tests */
 144 typedef enum {
 145   G_TEST_TRAP_SILENCE_STDOUT    = 1 << 7,
 146   G_TEST_TRAP_SILENCE_STDERR    = 1 << 8,
 147   G_TEST_TRAP_INHERIT_STDIN     = 1 << 9
 148 } GTestTrapFlags;
 149 gboolean g_test_trap_fork               (guint64              usec_timeout,
 150                                          GTestTrapFlags       test_trap_flags);
 151 gboolean g_test_trap_has_passed         (void);
 152 gboolean g_test_trap_reached_timeout    (void);
 153 #define  g_test_trap_assert_passed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 0, 0)
 154 #define  g_test_trap_assert_failed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 1, 0)
 155 #define  g_test_trap_assert_stdout(soutpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 2, soutpattern)
 156 #define  g_test_trap_assert_stdout_unmatched(soutpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 3, soutpattern)
 157 #define  g_test_trap_assert_stderr(serrpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 4, serrpattern)
 158 #define  g_test_trap_assert_stderr_unmatched(serrpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 5, serrpattern)
 159
 160 /* provide seed-able random numbers for tests */
 161 #define  g_test_rand_bit()              (0 != (g_test_rand_int() & (1 << 15)))
 162 gint32   g_test_rand_int                (void);
 163 gint32   g_test_rand_int_range          (gint32          begin,
 164                                          gint32          end);
 165 double   g_test_rand_double             (void);
 166 double   g_test_rand_double_range       (double          range_start,
 167                                          double          range_end);
 168
 169 /* semi-internal API */
 170 GTestCase*    g_test_create_case        (const char       *test_name,
 171                                          gsize             data_size,
 172                                          gconstpointer     test_data,
 173                                          GTestFixtureFunc  data_setup,
 174                                          GTestFixtureFunc  data_test,
 175                                          GTestFixtureFunc  data_teardown);
 176 GTestSuite*   g_test_create_suite       (const char       *suite_name);
 177 GTestSuite*   g_test_get_root           (void);
 178 void          g_test_suite_add          (GTestSuite     *suite,
 179                                          GTestCase      *test_case);
 180 void          g_test_suite_add_suite    (GTestSuite     *suite,
 181                                          GTestSuite     *nestedsuite);
 182 int           g_test_run_suite          (GTestSuite     *suite);
 183
 184 /* internal ABI */
 185 void    g_test_trap_assertions          (const char     *domain,
 186                                          const char     *file,
 187                                          int             line,
 188                                          const char     *func,
 189                                          guint64         assertion_flags, /* 0-pass, 1-fail, 2-outpattern, 4-errpattern */
 190                                          const char     *pattern);
 191 void    g_assertion_message             (const char     *domain,
 192                                          const char     *file,
 193                                          int             line,
 194                                          const char     *func,
 195                                          const char     *message) G_GNUC_NORETURN;
 196 void    g_assertion_message_expr        (const char     *domain,
 197                                          const char     *file,
 198                                          int             line,
 199                                          const char     *func,
 200                                          const char     *expr) G_GNUC_NORETURN;
 201 void    g_assertion_message_cmpstr      (const char     *domain,
 202                                          const char     *file,
 203                                          int             line,
 204                                          const char     *func,
 205                                          const char     *expr,
 206                                          const char     *arg1,
 207                                          const char     *cmp,
 208                                          const char     *arg2) G_GNUC_NORETURN;
 209 void    g_assertion_message_cmpnum      (const char     *domain,
 210                                          const char     *file,
 211                                          int             line,
 212                                          const char     *func,
 213                                          const char     *expr,
 214                                          long double     arg1,
 215                                          const char     *cmp,
 216                                          long double     arg2,
 217                                          char            numtype) G_GNUC_NORETURN;
 218 void    g_assertion_message_error       (const char     *domain,
 219                                          const char     *file,
 220                                          int             line,
 221                                          const char     *func,
 222                                          const char     *expr,
 223                                          const GError   *error,
 224                                          GQuark          error_domain,
 225                                          int             error_code) G_GNUC_NORETURN;
 226 void    g_test_add_vtable               (const char     *testpath,
 227                                          gsize           data_size,
 228                                          gconstpointer   test_data,
 229                                          GTestFixtureFunc  data_setup,
 230                                          GTestFixtureFunc  data_test,
 231                                          GTestFixtureFunc  data_teardown);
 232 typedef struct {
 233   gboolean      test_initialized;
 234   gboolean      test_quick;     /* disable thorough tests */
 235   gboolean      test_perf;      /* run performance tests */
 236   gboolean      test_verbose;   /* extra info */
 237   gboolean      test_quiet;     /* reduce output */
 238   gboolean      test_undefined; /* run tests that are meant to assert */
 239 } GTestConfig;
 240 GLIB_VAR const GTestConfig * const g_test_config_vars;
 241
 242 /* internal logging API */
 243 typedef enum {
 244   G_TEST_LOG_NONE,
 245   G_TEST_LOG_ERROR,             /* s:msg */
 246   G_TEST_LOG_START_BINARY,      /* s:binaryname s:seed */
 247   G_TEST_LOG_LIST_CASE,         /* s:testpath */
 248   G_TEST_LOG_SKIP_CASE,         /* s:testpath */
 249   G_TEST_LOG_START_CASE,        /* s:testpath */
 250   G_TEST_LOG_STOP_CASE,         /* d:status d:nforks d:elapsed */
 251   G_TEST_LOG_MIN_RESULT,        /* s:blurb d:result */
 252   G_TEST_LOG_MAX_RESULT,        /* s:blurb d:result */
 253   G_TEST_LOG_MESSAGE            /* s:blurb */
 254 } GTestLogType;
 255
 256 typedef struct {
 257   GTestLogType  log_type;
 258   guint         n_strings;
 259   gchar       **strings; /* NULL terminated */
 260   guint         n_nums;
 261   long double  *nums;
 262 } GTestLogMsg;
 263 typedef struct {
 264   /*< private >*/
 265   GString     *data;
 266   GSList      *msgs;
 267 } GTestLogBuffer;
 268
 269 const char*     g_test_log_type_name    (GTestLogType    log_type);
 270 GTestLogBuffer* g_test_log_buffer_new   (void);
 271 void            g_test_log_buffer_free  (GTestLogBuffer *tbuffer);
 272 void            g_test_log_buffer_push  (GTestLogBuffer *tbuffer,
 273                                          guint           n_bytes,
 274                                          const guint8   *bytes);
 275 GTestLogMsg*    g_test_log_buffer_pop   (GTestLogBuffer *tbuffer);
 276 void            g_test_log_msg_free     (GTestLogMsg    *tmsg);
 277
 278 /**
 279  * GTestLogFatalFunc:
 280  * @log_domain: the log domain of the message
 281  * @log_level: the log level of the message (including the fatal and recursion flags)
 282  * @message: the message to process
 283  * @user_data: user data, set in g_test_log_set_fatal_handler()
 284  *
 285  * Specifies the prototype of fatal log handler functions.
 286  *
 287  * Return value: %TRUE if the program should abort, %FALSE otherwise
 288  *
 289  * Since: 2.22
 290  */
 291 typedef gboolean        (*GTestLogFatalFunc)    (const gchar    *log_domain,
 292                                                  GLogLevelFlags  log_level,
 293                                                  const gchar    *message,
 294                                                  gpointer        user_data);
 295 void
 296 g_test_log_set_fatal_handler            (GTestLogFatalFunc log_func,
 297                                          gpointer          user_data);
 298
 299 G_END_DECLS
 300
 301 #endif /* __G_TEST_UTILS_H__ */