git.m6w6.name Git - m6w6/libmemcached/blob - tests/test.h

   1 /* uTest
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  */
   8
   9 /*
  10   Structures for generic tests.
  11 */
  12
  13 #ifdef  __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <stdbool.h>
  20 #include <stdint.h>
  21
  22 typedef struct world_st world_st;
  23 typedef struct collection_st collection_st;
  24 typedef struct test_st test_st;
  25
  26 typedef enum {
  27   TEST_SUCCESS= 0, /* Backwards compatibility */
  28   TEST_FAILURE,
  29   TEST_MEMORY_ALLOCATION_FAILURE,
  30   TEST_SKIPPED,
  31   TEST_MAXIMUM_RETURN /* Always add new error code before */
  32 } test_return_t;
  33
  34 typedef void *(*test_callback_create_fn)(test_return_t *error);
  35 typedef test_return_t (*test_callback_fn)(void *);
  36 typedef test_return_t (*test_callback_runner_fn)(test_callback_fn, void *);
  37 typedef test_return_t (*test_callback_error_fn)(test_return_t, void *);
  38
  39
  40 /**
  41   A structure describing the test case.
  42 */
  43 struct test_st {
  44   const char *name;
  45   bool requires_flush;
  46   test_callback_fn test_fn;
  47 };
  48
  49
  50 /**
  51   A structure which describes a collection of test cases.
  52 */
  53 struct collection_st {
  54   const char *name;
  55   test_callback_fn pre;
  56   test_callback_fn post;
  57   test_st *tests;
  58 };
  59
  60
  61 /**
  62   Structure which houses the actual callers for the test cases contained in
  63   the collections.
  64 */
  65 typedef struct {
  66   test_callback_runner_fn pre;
  67   test_callback_runner_fn run;
  68   test_callback_runner_fn post;
  69 } world_runner_st;
  70
  71
  72 /**
  73   world_st is the structure which is passed to the test implementation to be filled.
  74   This must be implemented in order for the test framework to load the tests. We call
  75   get_world() in order to fill this structure.
  76 */
  77
  78 struct world_st {
  79   collection_st *collections;
  80
  81   /* These methods are called outside of any collection call. */
  82   test_callback_create_fn create;
  83   test_callback_fn destroy;
  84
  85   /* This is called a the beginning of any collection run. */
  86   test_callback_fn collection_startup;
  87
  88   /* This called on a test if the test requires a flush call (the bool is from test_st) */
  89   test_callback_fn flush;
  90
  91   /**
  92     These are run before/after the test. If implemented. Their execution is not controlled
  93     by the test.
  94   */
  95   test_callback_fn pre_run;
  96   test_callback_fn post_run;
  97
  98   /**
  99     If an error occurs during the test, this is called.
 100   */
 101   test_callback_error_fn on_error;
 102
 103   /**
 104     Runner represents the callers for the tests. If not implemented we will use
 105     a set of default implementations.
 106   */
 107   world_runner_st *runner;
 108 };
 109
 110
 111
 112 /**
 113   @note world_stats_st is a simple structure for tracking test successes.
 114 */
 115 typedef struct {
 116   uint32_t success;
 117   uint32_t skipped;
 118   uint32_t failed;
 119   uint32_t total;
 120 } world_stats_st;
 121
 122 /* How we make all of this work :) */
 123 void get_world(world_st *world);
 124
 125 void create_core(void);
 126
 127 /**
 128   @note Friendly print function for errors.
 129 */
 130 const char *test_strerror(test_return_t code);
 131
 132 #define test_truth(A) \
 133 do \
 134 { \
 135   if (! (A)) { \
 136     fprintf(stderr, "\nAssertion failed in %s:%d: %s\n", __FILE__, __LINE__, #A);\
 137     create_core(); \
 138     return TEST_FAILURE; \
 139   } \
 140 } while (0)
 141
 142 #define test_false(A) \
 143 do \
 144 { \
 145   if ((A)) { \
 146     fprintf(stderr, "\nAssertion failed in %s:%d: %s\n", __FILE__, __LINE__, #A);\
 147     create_core(); \
 148     return TEST_FAILURE; \
 149   } \
 150 } while (0)
 151
 152 #define test_strcmp(A,B) \
 153 do \
 154 { \
 155   if (strcmp((A), (B))) \
 156   { \
 157     fprintf(stderr, "\n%s:%d: %s -> %s\n", __FILE__, __LINE__, (A), (B)); \
 158     create_core(); \
 159     return TEST_FAILURE; \
 160   } \
 161 } while (0)
 162
 163 #ifdef  __cplusplus
 164 }
 165 #endif