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datacache_tests.c
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datacache_tests.c
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#include "common.h"
#include "vnstat_tests.h"
#include "datacache_tests.h"
#include "datacache.h"
START_TEST(datacache_can_clear_empty_cache)
{
datacache *dc = NULL;
datacache_clear(&dc);
ck_assert_ptr_eq(dc, NULL);
}
END_TEST
START_TEST(datacache_can_add_to_cache)
{
int ret;
datacache *dc = NULL;
ret = datacache_add(&dc, "eth0", 0);
ck_assert_int_eq(ret, 1);
ck_assert_str_eq(dc->interface, "eth0");
ck_assert_int_eq(dc->active, 1);
ck_assert_int_eq(dc->filled, 0);
ck_assert_int_eq(dc->syncneeded, 0);
ck_assert_int_eq(dc->currx, 0);
ck_assert_int_eq(dc->curtx, 0);
ck_assert_ptr_eq(dc->log, NULL);
ck_assert_ptr_eq(dc->next, NULL);
datacache_clear(&dc);
ck_assert_ptr_eq(dc, NULL);
}
END_TEST
START_TEST(datacache_can_add_to_cache_consistently)
{
int ret;
datacache *dc = NULL;
datacache *bookmark = NULL;
ret = datacache_add(&dc, "eth0", 0);
ck_assert_int_eq(ret, 1);
ck_assert_str_eq(dc->interface, "eth0");
ck_assert_int_eq(dc->active, 1);
ck_assert_int_eq(dc->filled, 0);
ck_assert_int_eq(dc->syncneeded, 0);
ck_assert_int_eq(dc->currx, 0);
ck_assert_int_eq(dc->curtx, 0);
ck_assert_ptr_eq(dc->log, NULL);
ck_assert_ptr_eq(dc->next, NULL);
bookmark = dc;
ret = datacache_add(&dc, "eth1", 0);
ck_assert_int_eq(ret, 1);
ck_assert_str_eq(dc->interface, "eth1");
ck_assert_int_eq(dc->active, 1);
ck_assert_int_eq(dc->filled, 0);
ck_assert_int_eq(dc->syncneeded, 0);
ck_assert_int_eq(dc->currx, 0);
ck_assert_int_eq(dc->curtx, 0);
ck_assert_ptr_eq(dc->log, NULL);
ck_assert_ptr_ne(dc->next, NULL);
ck_assert_str_eq(bookmark->interface, "eth0");
bookmark = dc;
ck_assert_str_eq(bookmark->interface, "eth1");
bookmark = bookmark->next;
ck_assert_str_eq(bookmark->interface, "eth0");
datacache_clear(&dc);
ck_assert_ptr_eq(dc, NULL);
}
END_TEST
START_TEST(datacache_knows_how_to_count)
{
int ret;
datacache *dc = NULL;
ret = datacache_add(&dc, "eth0", 0);
ck_assert_int_eq(ret, 1);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 1);
ret = datacache_add(&dc, "eth1", 0);
ck_assert_int_eq(ret, 1);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 2);
ret = datacache_activecount(&dc);
ck_assert_int_eq(ret, 2);
dc->active = 0;
ret = datacache_activecount(&dc);
ck_assert_int_eq(ret, 1);
datacache_clear(&dc);
ck_assert_ptr_eq(dc, NULL);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 0);
ret = datacache_activecount(&dc);
ck_assert_int_eq(ret, 0);
}
END_TEST
START_TEST(datacache_can_remove)
{
int ret;
datacache *dc = NULL;
ret = datacache_add(&dc, "eth0", 0);
ck_assert_int_eq(ret, 1);
ret = datacache_add(&dc, "eth1", 0);
ck_assert_int_eq(ret, 1);
ret = datacache_add(&dc, "eth2", 0);
ck_assert_int_eq(ret, 1);
ret = datacache_add(&dc, "eth3", 0);
ck_assert_int_eq(ret, 1);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 4);
/* invalid removal doesn't cause issues */
ret = datacache_remove(&dc, "eth4");
ck_assert_int_eq(ret, 0);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 4);
ck_assert_str_eq(dc->interface, "eth3");
/* head removal */
ret = datacache_remove(&dc, "eth3");
ck_assert_int_eq(ret, 1);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 3);
ck_assert_str_eq(dc->interface, "eth2");
/* middle removal */
ret = datacache_remove(&dc, "eth1");
ck_assert_int_eq(ret, 1);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 2);
ck_assert_str_eq(dc->interface, "eth2");
/* tail removal */
ret = datacache_remove(&dc, "eth0");
ck_assert_int_eq(ret, 1);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 1);
ck_assert_str_eq(dc->interface, "eth2");
datacache_clear(&dc);
ck_assert_ptr_eq(dc, NULL);
}
END_TEST
START_TEST(datacache_can_do_stuff)
{
int ret;
datacache *dc = NULL;
ret = datacache_add(&dc, "eth0", 0);
ck_assert_int_eq(ret, 1);
ret = datacache_add(&dc, "eth1", 0);
ck_assert_int_eq(ret, 1);
ret = xferlog_add(&dc->log, 2, 1, 2);
ck_assert_int_eq(ret, 1);
ret = xferlog_add(&dc->log, 2, 10, 15);
ck_assert_int_eq(ret, 1);
ret = datacache_add(&dc, "eth2", 0);
ck_assert_int_eq(ret, 1);
ret = datacache_add(&dc, "eth3", 0);
ck_assert_int_eq(ret, 1);
ret = xferlog_add(&dc->log, 2, 2, 2);
ck_assert_int_eq(ret, 1);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 4);
/* suppress output to validate that debug function doesn't cause a crash */
suppress_output();
datacache_debug(&dc);
printf("\n");
ret = datacache_remove(&dc, "eth1");
ck_assert_int_eq(ret, 1);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 3);
datacache_debug(&dc);
printf("\n");
datacache_clear(&dc);
ck_assert_ptr_eq(dc, NULL);
datacache_debug(&dc);
ret = datacache_count(&dc);
ck_assert_int_eq(ret, 0);
}
END_TEST
START_TEST(xferlog_can_clear_empty_log)
{
xferlog *log = NULL;
xferlog_clear(&log);
ck_assert_ptr_eq(log, NULL);
}
END_TEST
START_TEST(xferlog_can_log)
{
int ret;
xferlog *log = NULL;
ret = xferlog_add(&log, 1, 1, 1);
ck_assert_int_eq(ret, 1);
ck_assert_ptr_ne(log, NULL);
xferlog_clear(&log);
ck_assert_ptr_eq(log, NULL);
}
END_TEST
START_TEST(xferlog_can_handle_multiple_entries)
{
int ret;
xferlog *log = NULL;
xferlog *bookmark = NULL;
ret = xferlog_add(&log, 1, 1, 1);
ck_assert_int_eq(ret, 1);
ck_assert_int_eq(log->timestamp, 1);
ck_assert_int_eq(log->rx, 1);
ck_assert_int_eq(log->tx, 1);
bookmark = log;
ret = xferlog_add(&log, 1, 1, 2);
ck_assert_int_eq(ret, 1);
ck_assert_int_eq(log->timestamp, 1);
ck_assert_int_eq(log->rx, 2);
ck_assert_int_eq(log->tx, 3);
ret = xferlog_add(&log, 4, 5, 5);
ck_assert_int_eq(ret, 1);
ck_assert_int_eq(log->timestamp, 4);
ck_assert_int_eq(log->rx, 5);
ck_assert_int_eq(log->tx, 5);
ret = xferlog_add(&log, 7, 4, 4);
ck_assert_int_eq(ret, 1);
ck_assert_int_eq(log->timestamp, 7);
ck_assert_int_eq(log->rx, 4);
ck_assert_int_eq(log->tx, 4);
ret = xferlog_add(&log, 1, 1, 1);
ck_assert_int_eq(ret, 1);
ck_assert_int_eq(log->timestamp, 1);
ck_assert_int_eq(log->rx, 1);
ck_assert_int_eq(log->tx, 1);
/* check that new addition with same timestamp doesn't modify old record */
ck_assert_int_eq(bookmark->timestamp, 1);
ck_assert_int_eq(bookmark->rx, 2);
ck_assert_int_eq(bookmark->tx, 3);
xferlog_clear(&log);
ck_assert_ptr_eq(log, NULL);
}
END_TEST
void add_datacache_tests(Suite *s)
{
TCase *tc_datacache = tcase_create("Datacache");
tcase_add_checked_fixture(tc_datacache, setup, teardown);
tcase_add_unchecked_fixture(tc_datacache, setup, teardown);
tcase_add_test(tc_datacache, datacache_can_clear_empty_cache);
tcase_add_test(tc_datacache, datacache_can_add_to_cache);
tcase_add_test(tc_datacache, datacache_can_add_to_cache_consistently);
tcase_add_test(tc_datacache, datacache_knows_how_to_count);
tcase_add_test(tc_datacache, datacache_can_remove);
tcase_add_test(tc_datacache, datacache_can_do_stuff);
tcase_add_test(tc_datacache, xferlog_can_clear_empty_log);
tcase_add_test(tc_datacache, xferlog_can_log);
tcase_add_test(tc_datacache, xferlog_can_handle_multiple_entries);
suite_add_tcase(s, tc_datacache);
}