tor/src/test/test_replay.c

392 lines
9.5 KiB
C

/* Copyright (c) 2012-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#define REPLAYCACHE_PRIVATE
#include "orconfig.h"
#include "core/or/or.h"
#include "feature/hs_common/replaycache.h"
#include "test/test.h"
static const char *test_buffer =
"Lorem ipsum dolor sit amet, consectetur adipisici elit, sed do eiusmod"
" tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim"
" veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea"
" commodo consequat. Duis aute irure dolor in reprehenderit in voluptate"
" velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint"
" occaecat cupidatat non proident, sunt in culpa qui officia deserunt"
" mollit anim id est laborum.";
static const char *test_buffer_2 =
"At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis"
" praesentium voluptatum deleniti atque corrupti quos dolores et quas"
" molestias excepturi sint occaecati cupiditate non provident, similique"
" sunt in culpa qui officia deserunt mollitia animi, id est laborum et"
" dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio."
" Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil"
" impedit quo minus id quod maxime placeat facere possimus, omnis voluptas"
" assumenda est, omnis dolor repellendus. Temporibus autem quibusdam et aut"
" officiis debitis aut rerum necessitatibus saepe eveniet ut et voluptates"
" repudiandae sint et molestiae non recusandae. Itaque earum rerum hic"
" tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias"
" consequatur aut perferendis doloribus asperiores repellat.";
static void
test_replaycache_alloc(void *arg)
{
replaycache_t *r = NULL;
(void)arg;
r = replaycache_new(600, 300);
tt_ptr_op(r, OP_NE, NULL);
done:
if (r) replaycache_free(r);
return;
}
static void
test_replaycache_badalloc(void *arg)
{
replaycache_t *r = NULL;
/* Negative horizon should fail */
(void)arg;
r = replaycache_new(-600, 300);
tt_ptr_op(r, OP_EQ, NULL);
/* Negative interval should get adjusted to zero */
r = replaycache_new(600, -300);
tt_ptr_op(r, OP_NE, NULL);
tt_int_op(r->scrub_interval,OP_EQ, 0);
replaycache_free(r);
/* Negative horizon and negative interval should still fail */
r = replaycache_new(-600, -300);
tt_ptr_op(r, OP_EQ, NULL);
done:
if (r) replaycache_free(r);
return;
}
static void
test_replaycache_free_null(void *arg)
{
(void)arg;
replaycache_free_(NULL);
/* Assert that we're here without horrible death */
tt_assert(1);
done:
return;
}
static void
test_replaycache_miss(void *arg)
{
replaycache_t *r = NULL;
int result;
(void)arg;
r = replaycache_new(600, 300);
tt_ptr_op(r, OP_NE, NULL);
result =
replaycache_add_and_test_internal(1200, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 0);
/* make sure a different buffer misses as well */
result =
replaycache_add_and_test_internal(1200, NULL, test_buffer_2,
strlen(test_buffer_2), NULL);
tt_int_op(result,OP_EQ, 0);
/* poke the bad-parameter error case too */
result =
replaycache_add_and_test_internal(1200, NULL, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 0);
done:
if (r) replaycache_free(r);
return;
}
static void
test_replaycache_hit(void *arg)
{
replaycache_t *r = NULL;
int result;
(void)arg;
r = replaycache_new(600, 300);
tt_ptr_op(r, OP_NE, NULL);
result =
replaycache_add_and_test_internal(1200, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 0);
result =
replaycache_add_and_test_internal(1300, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 1);
/* make sure a different buffer misses then hits as well */
result =
replaycache_add_and_test_internal(1200, r, test_buffer_2,
strlen(test_buffer_2), NULL);
tt_int_op(result,OP_EQ, 0);
result =
replaycache_add_and_test_internal(1300, r, test_buffer_2,
strlen(test_buffer_2), NULL);
tt_int_op(result,OP_EQ, 1);
done:
if (r) replaycache_free(r);
return;
}
static void
test_replaycache_age(void *arg)
{
replaycache_t *r = NULL;
int result;
(void)arg;
r = replaycache_new(600, 300);
tt_ptr_op(r, OP_NE, NULL);
result =
replaycache_add_and_test_internal(1200, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 0);
result =
replaycache_add_and_test_internal(1300, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 1);
result =
replaycache_add_and_test_internal(3000, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 0);
done:
if (r) replaycache_free(r);
return;
}
static void
test_replaycache_elapsed(void *arg)
{
replaycache_t *r = NULL;
int result;
time_t elapsed;
(void)arg;
r = replaycache_new(600, 300);
tt_ptr_op(r, OP_NE, NULL);
result =
replaycache_add_and_test_internal(1200, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 0);
result =
replaycache_add_and_test_internal(1300, r, test_buffer,
strlen(test_buffer), &elapsed);
tt_int_op(result,OP_EQ, 1);
tt_int_op(elapsed,OP_EQ, 100);
done:
if (r) replaycache_free(r);
return;
}
static void
test_replaycache_noexpire(void *arg)
{
replaycache_t *r = NULL;
int result;
(void)arg;
r = replaycache_new(0, 0);
tt_ptr_op(r, OP_NE, NULL);
result =
replaycache_add_and_test_internal(1200, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 0);
result =
replaycache_add_and_test_internal(1300, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 1);
result =
replaycache_add_and_test_internal(3000, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 1);
done:
if (r) replaycache_free(r);
return;
}
static void
test_replaycache_scrub(void *arg)
{
replaycache_t *r = NULL;
int result;
(void)arg;
r = replaycache_new(600, 300);
tt_ptr_op(r, OP_NE, NULL);
/* Set up like in test_replaycache_hit() */
result =
replaycache_add_and_test_internal(100, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 0);
result =
replaycache_add_and_test_internal(200, r, test_buffer,
strlen(test_buffer), NULL);
tt_int_op(result,OP_EQ, 1);
/*
* Poke a few replaycache_scrub_if_needed_internal() error cases that
* can't happen through replaycache_add_and_test_internal()
*/
/* Null cache */
replaycache_scrub_if_needed_internal(300, NULL);
/* Assert we're still here */
tt_assert(1);
/* Make sure we hit the aging-out case too */
replaycache_scrub_if_needed_internal(1500, r);
/* Assert that we aged it */
tt_int_op(digest256map_size(r->digests_seen),OP_EQ, 0);
done:
if (r) replaycache_free(r);
return;
}
static void
test_replaycache_future(void *arg)
{
replaycache_t *r = NULL;
int result;
time_t elapsed = 0;
(void)arg;
r = replaycache_new(600, 300);
tt_ptr_op(r, OP_NE, NULL);
/* Set up like in test_replaycache_hit() */
result =
replaycache_add_and_test_internal(100, r, test_buffer,
strlen(test_buffer), &elapsed);
tt_int_op(result,OP_EQ, 0);
/* elapsed should still be 0, since it wasn't written */
tt_int_op(elapsed,OP_EQ, 0);
result =
replaycache_add_and_test_internal(200, r, test_buffer,
strlen(test_buffer), &elapsed);
tt_int_op(result,OP_EQ, 1);
/* elapsed should be the time since the last hit */
tt_int_op(elapsed,OP_EQ, 100);
/*
* Now let's turn the clock back to get coverage on the cache entry from the
* future not-supposed-to-happen case.
*/
result =
replaycache_add_and_test_internal(150, r, test_buffer,
strlen(test_buffer), &elapsed);
/* We should still get a hit */
tt_int_op(result,OP_EQ, 1);
/* ...but it shouldn't let us see a negative elapsed time */
tt_int_op(elapsed,OP_EQ, 0);
done:
if (r) replaycache_free(r);
return;
}
static void
test_replaycache_realtime(void *arg)
{
replaycache_t *r = NULL;
/*
* Negative so we fail if replaycache_add_test_and_elapsed() doesn't
* write to elapsed.
*/
time_t elapsed = -1;
int result;
/* Test the realtime as well as *_internal() entry points */
(void)arg;
r = replaycache_new(600, 300);
tt_ptr_op(r, OP_NE, NULL);
/* This should miss */
result =
replaycache_add_and_test(r, test_buffer, strlen(test_buffer));
tt_int_op(result,OP_EQ, 0);
/* This should hit */
result =
replaycache_add_and_test(r, test_buffer, strlen(test_buffer));
tt_int_op(result,OP_EQ, 1);
/* This should hit and return a small elapsed time */
result =
replaycache_add_test_and_elapsed(r, test_buffer,
strlen(test_buffer), &elapsed);
tt_int_op(result,OP_EQ, 1);
tt_assert(elapsed >= 0);
tt_assert(elapsed <= 5);
/* Scrub it to exercise that entry point too */
replaycache_scrub_if_needed(r);
done:
if (r) replaycache_free(r);
return;
}
#define REPLAYCACHE_LEGACY(name) \
{ #name, test_replaycache_ ## name , 0, NULL, NULL }
struct testcase_t replaycache_tests[] = {
REPLAYCACHE_LEGACY(alloc),
REPLAYCACHE_LEGACY(badalloc),
REPLAYCACHE_LEGACY(free_null),
REPLAYCACHE_LEGACY(miss),
REPLAYCACHE_LEGACY(hit),
REPLAYCACHE_LEGACY(age),
REPLAYCACHE_LEGACY(elapsed),
REPLAYCACHE_LEGACY(noexpire),
REPLAYCACHE_LEGACY(scrub),
REPLAYCACHE_LEGACY(future),
REPLAYCACHE_LEGACY(realtime),
END_OF_TESTCASES
};