Home | History | Annotate | Download | only in test
      1 /* tinytest.h -- Copyright 2009-2012 Nick Mathewson
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions
      5  * are met:
      6  * 1. Redistributions of source code must retain the above copyright
      7  *    notice, this list of conditions and the following disclaimer.
      8  * 2. Redistributions in binary form must reproduce the above copyright
      9  *    notice, this list of conditions and the following disclaimer in the
     10  *    documentation and/or other materials provided with the distribution.
     11  * 3. The name of the author may not be used to endorse or promote products
     12  *    derived from this software without specific prior written permission.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef TINYTEST_H_INCLUDED_
     27 #define TINYTEST_H_INCLUDED_
     28 
     29 /** Flag for a test that needs to run in a subprocess. */
     30 #define TT_FORK  (1<<0)
     31 /** Runtime flag for a test we've decided to skip. */
     32 #define TT_SKIP  (1<<1)
     33 /** Internal runtime flag for a test we've decided to run. */
     34 #define TT_ENABLED_  (1<<2)
     35 /** Flag for a test that's off by default. */
     36 #define TT_OFF_BY_DEFAULT  (1<<3)
     37 /** If you add your own flags, make them start at this point. */
     38 #define TT_FIRST_USER_FLAG (1<<4)
     39 
     40 typedef void (*testcase_fn)(void *);
     41 
     42 struct testcase_t;
     43 
     44 /** Functions to initialize/teardown a structure for a testcase. */
     45 struct testcase_setup_t {
     46 	/** Return a new structure for use by a given testcase. */
     47 	void *(*setup_fn)(const struct testcase_t *);
     48 	/** Clean/free a structure from setup_fn. Return 1 if ok, 0 on err. */
     49 	int (*cleanup_fn)(const struct testcase_t *, void *);
     50 };
     51 
     52 /** A single test-case that you can run. */
     53 struct testcase_t {
     54 	const char *name; /**< An identifier for this case. */
     55 	testcase_fn fn; /**< The function to run to implement this case. */
     56 	unsigned long flags; /**< Bitfield of TT_* flags. */
     57 	const struct testcase_setup_t *setup; /**< Optional setup/cleanup fns*/
     58 	void *setup_data; /**< Extra data usable by setup function */
     59 };
     60 #define END_OF_TESTCASES { NULL, NULL, 0, NULL, NULL }
     61 
     62 /** A group of tests that are selectable together. */
     63 struct testgroup_t {
     64 	const char *prefix; /**< Prefix to prepend to testnames. */
     65 	struct testcase_t *cases; /** Array, ending with END_OF_TESTCASES */
     66 };
     67 #define END_OF_GROUPS { NULL, NULL}
     68 
     69 struct testlist_alias_t {
     70 	const char *name;
     71 	const char **tests;
     72 };
     73 #define END_OF_ALIASES { NULL, NULL }
     74 
     75 /** Implementation: called from a test to indicate failure, before logging. */
     76 void tinytest_set_test_failed_(void);
     77 /** Implementation: called from a test to indicate that we're skipping. */
     78 void tinytest_set_test_skipped_(void);
     79 /** Implementation: return 0 for quiet, 1 for normal, 2 for loud. */
     80 int tinytest_get_verbosity_(void);
     81 /** Implementation: Set a flag on tests matching a name; returns number
     82  * of tests that matched. */
     83 int tinytest_set_flag_(struct testgroup_t *, const char *, int set, unsigned long);
     84 /** Implementation: Put a chunk of memory into hex. */
     85 char *tinytest_format_hex_(const void *, unsigned long);
     86 
     87 /** Set all tests in 'groups' matching the name 'named' to be skipped. */
     88 #define tinytest_skip(groups, named) \
     89 	tinytest_set_flag_(groups, named, 1, TT_SKIP)
     90 
     91 /** Run a single testcase in a single group. */
     92 int testcase_run_one(const struct testgroup_t *,const struct testcase_t *);
     93 
     94 void tinytest_set_aliases(const struct testlist_alias_t *aliases);
     95 
     96 /** Run a set of testcases from an END_OF_GROUPS-terminated array of groups,
     97     as selected from the command line. */
     98 int tinytest_main(int argc, const char **argv, struct testgroup_t *groups);
     99 
    100 #endif
    101