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Additional unit tests to improve conscache coverage

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This commit is contained in:
Nick Mathewson 2017-04-05 09:32:25 -04:00
parent 2b5b6025bd
commit 95a4f2d525
1 changed files with 84 additions and 0 deletions
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84
src/test/test_conscache.c
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@ -10,6 +10,19 @@
#include <utime.h>
#endif
static void
test_conscache_open_failure(void *arg)
{
(void) arg;
/* Try opening a directory that doesn't exist and which we shouldn't be
* able to create. */
consensus_cache_t *cache = consensus_cache_open("a/b/c/d/e/f/g", 128);
tt_ptr_op(cache, OP_EQ, NULL);
done:
;
}
static void
test_conscache_simple_usage(void *arg)
{
@ -246,12 +259,83 @@ test_conscache_cleanup(void *arg)
consensus_cache_free(cache);
}
static void
test_conscache_filter(void *arg)
{
(void)arg;
const int N = 30;
smartlist_t *lst = NULL;
/* Make a temporary datadir for these tests */
char *ddir_fname = tor_strdup(get_fname_rnd("datadir_cache"));
tor_free(get_options_mutable()->DataDirectory);
get_options_mutable()->DataDirectory = tor_strdup(ddir_fname);
check_private_dir(ddir_fname, CPD_CREATE, NULL);
consensus_cache_t *cache = consensus_cache_open("cons", 128);
tt_assert(cache);
/* Create a bunch of entries with different labels */
int i;
for (i = 0; i < N; ++i) {
config_line_t *labels = NULL;
char num[8];
tor_snprintf(num, sizeof(num), "%d", i);
config_line_append(&labels, "test-id", "filter");
config_line_append(&labels, "index", num);
tor_snprintf(num, sizeof(num), "%d", i % 3);
config_line_append(&labels, "mod3", num);
tor_snprintf(num, sizeof(num), "%d", i % 5);
config_line_append(&labels, "mod5", num);
size_t bodylen = i * 3;
uint8_t *body = tor_malloc(bodylen);
memset(body, i, bodylen);
consensus_cache_entry_t *ent =
consensus_cache_add(cache, labels, body, bodylen);
tor_free(body);
config_free_lines(labels);
tt_assert(ent);
consensus_cache_entry_decref(ent);
}
lst = smartlist_new();
/* Find nothing. */
consensus_cache_find_all(lst, cache, "mod5", "5");
tt_int_op(smartlist_len(lst), OP_EQ, 0);
/* Find everything. */
consensus_cache_find_all(lst, cache, "test-id", "filter");
tt_int_op(smartlist_len(lst), OP_EQ, N);
/* Now filter to find the entries that have i%3 == 1 */
consensus_cache_filter_list(lst, "mod3", "1");
tt_int_op(smartlist_len(lst), OP_EQ, 10);
/* Now filter to find the entries that also have i%5 == 3 */
consensus_cache_filter_list(lst, "mod5", "3");
tt_int_op(smartlist_len(lst), OP_EQ, 2);
/* So now we have those entries for which i%15 == 13. */
consensus_cache_entry_t *ent1 = smartlist_get(lst, 0);
consensus_cache_entry_t *ent2 = smartlist_get(lst, 1);
const char *idx1 = consensus_cache_entry_get_value(ent1, "index");
const char *idx2 = consensus_cache_entry_get_value(ent2, "index");
tt_assert( (!strcmp(idx1, "28") && !strcmp(idx2, "13")) ||
(!strcmp(idx1, "13") && !strcmp(idx2, "28")) );
done:
tor_free(ddir_fname);
consensus_cache_free(cache);
smartlist_free(lst);
}
#define ENT(name) \
{ #name, test_conscache_ ## name, TT_FORK, NULL, NULL }
struct testcase_t conscache_tests[] = {
ENT(open_failure),
ENT(simple_usage),
ENT(cleanup),
ENT(filter),
END_OF_TESTCASES
};