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Bug 23077: Make channelpadding tests use mocked time.

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This commit is contained in:
Mike Perry 2017-09-14 01:18:30 +00:00
parent 72ea4a8f08
commit 361014255f
2 changed files with 51 additions and 9 deletions
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4
changes/bug23077 Normal file
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@ -0,0 +1,4 @@
o Minor bugfixes (unit tests):
- Fix a channelpadding unit test failure on extremely slow systems
by using mocked time instead of actual time. Fixes bug 23077; bugfix on
0.3.1.1-alpha.

56
src/test/test_channelpadding.c
View File

@ -1,6 +1,7 @@
#define TOR_CHANNEL_INTERNAL_
#define MAIN_PRIVATE
#define NETWORKSTATUS_PRIVATE
#define TOR_TIMERS_PRIVATE
#include "or.h"
#include "test.h"
#include "testsupport.h"
@ -29,6 +30,8 @@ void test_channelpadding_decide_to_pad_channel(void *arg);
void dummy_nop_timer(void);
#define NSEC_PER_MSEC (1000*1000)
/* Thing to cast to fake tor_tls_t * to appease assert_connection_ok() */
static int fake_tortls = 0; /* Bleh... */
@ -350,6 +353,7 @@ test_channelpadding_consensus(void *arg)
channelpadding_decision_t decision;
or_options_t *options = get_options_mutable();
int64_t val;
int64_t new_time;
(void)arg;
tor_libevent_postfork();
@ -372,7 +376,9 @@ test_channelpadding_consensus(void *arg)
*/
channel_t *chan;
routerstatus_t *relay = tor_malloc_zero(sizeof(routerstatus_t));
monotime_init();
monotime_enable_test_mocking();
monotime_set_mock_time_nsec(1);
monotime_coarse_set_mock_time_nsec(1);
timers_initialize();
connection_array = smartlist_new();
@ -399,7 +405,10 @@ test_channelpadding_consensus(void *arg)
tt_int_op(decision, OP_EQ, CHANNELPADDING_PADDING_ALREADY_SCHEDULED);
// Wait for the timer
event_base_loop(tor_libevent_get_base(), 0);
new_time = (monotime_coarse_absolute_msec()+101)*NSEC_PER_MSEC;
monotime_coarse_set_mock_time_nsec(new_time);
monotime_set_mock_time_nsec(new_time);
timers_run_pending();
tt_int_op(tried_to_write_cell, OP_EQ, 1);
tt_assert(!chan->pending_padding_callback);
@ -452,7 +461,10 @@ test_channelpadding_consensus(void *arg)
tt_i64_op(val, OP_LE, 200);
// Wait for the timer
event_base_loop(tor_libevent_get_base(), 0);
new_time = (monotime_coarse_absolute_msec()+201)*NSEC_PER_MSEC;
monotime_set_mock_time_nsec(new_time);
monotime_coarse_set_mock_time_nsec(new_time);
timers_run_pending();
tt_int_op(tried_to_write_cell, OP_EQ, 1);
tt_assert(!chan->pending_padding_callback);
@ -555,6 +567,7 @@ test_channelpadding_consensus(void *arg)
tor_free(current_ns_consensus);
timers_shutdown();
monotime_disable_test_mocking();
channel_free_all();
return;
@ -725,12 +738,16 @@ test_channelpadding_decide_to_pad_channel(void *arg)
* + We should not send padding
*/
channel_t *chan;
int64_t new_time;
connection_array = smartlist_new();
(void)arg;
tor_libevent_postfork();
monotime_init();
monotime_enable_test_mocking();
monotime_set_mock_time_nsec(1);
monotime_coarse_set_mock_time_nsec(1);
timers_initialize();
setup_full_capture_of_logs(LOG_WARN);
channelpadding_new_consensus_params(NULL);
@ -762,7 +779,10 @@ test_channelpadding_decide_to_pad_channel(void *arg)
tt_int_op(tried_to_write_cell, OP_EQ, 0);
// Wait for the timer from case #2b
event_base_loop(tor_libevent_get_base(), 0);
new_time = (monotime_coarse_absolute_msec() + 1000)*NSEC_PER_MSEC;
monotime_set_mock_time_nsec(new_time);
monotime_coarse_set_mock_time_nsec(new_time);
timers_run_pending();
tt_int_op(tried_to_write_cell, OP_EQ, 1);
tt_assert(!chan->pending_padding_callback);
@ -779,7 +799,10 @@ test_channelpadding_decide_to_pad_channel(void *arg)
tt_int_op(decision, OP_EQ, CHANNELPADDING_PADDING_ALREADY_SCHEDULED);
// Wait for the timer
event_base_loop(tor_libevent_get_base(), 0);
new_time = (monotime_coarse_absolute_msec()+101)*NSEC_PER_MSEC;
monotime_coarse_set_mock_time_nsec(new_time);
monotime_set_mock_time_nsec(new_time);
timers_run_pending();
tt_int_op(tried_to_write_cell, OP_EQ, 1);
tt_assert(!chan->pending_padding_callback);
@ -811,7 +834,11 @@ test_channelpadding_decide_to_pad_channel(void *arg)
channel_timestamp_active(chan);
// We don't expect any timer callbacks here. Make a dummy one to be sure.
dummy_nop_timer();
// Wait for the timer
new_time = (monotime_coarse_absolute_msec()+101)*NSEC_PER_MSEC;
monotime_coarse_set_mock_time_nsec(new_time);
monotime_set_mock_time_nsec(new_time);
timers_run_pending();
tt_int_op(tried_to_write_cell, OP_EQ, 0);
tt_assert(!chan->pending_padding_callback);
@ -828,7 +855,10 @@ test_channelpadding_decide_to_pad_channel(void *arg)
chan->state = CHANNEL_STATE_MAINT;
// We don't expect any timer callbacks here. Make a dummy one to be sure.
dummy_nop_timer();
new_time = (monotime_coarse_absolute_msec()+101)*NSEC_PER_MSEC;
monotime_coarse_set_mock_time_nsec(new_time);
monotime_set_mock_time_nsec(new_time);
timers_run_pending();
tt_int_op(tried_to_write_cell, OP_EQ, 0);
tt_assert(!chan->pending_padding_callback);
@ -843,7 +873,11 @@ test_channelpadding_decide_to_pad_channel(void *arg)
tt_int_op(tried_to_write_cell, OP_EQ, 0);
// Wait for the timer
event_base_loop(tor_libevent_get_base(), 0);
new_time = (monotime_coarse_absolute_msec()+101)*NSEC_PER_MSEC;
monotime_coarse_set_mock_time_nsec(new_time);
monotime_set_mock_time_nsec(new_time);
timers_run_pending();
tt_int_op(tried_to_write_cell, OP_EQ, 1);
tt_assert(!chan->pending_padding_callback);
@ -870,7 +904,10 @@ test_channelpadding_decide_to_pad_channel(void *arg)
free_fake_channeltls((channel_tls_t*)chan);
// We don't expect any timer callbacks here. Make a dummy one to be sure.
dummy_nop_timer();
new_time = (monotime_coarse_absolute_msec()+101)*NSEC_PER_MSEC;
monotime_coarse_set_mock_time_nsec(new_time);
monotime_set_mock_time_nsec(new_time);
timers_run_pending();
tt_int_op(tried_to_write_cell, OP_EQ, 0);
@ -878,6 +915,7 @@ test_channelpadding_decide_to_pad_channel(void *arg)
smartlist_free(connection_array);
teardown_capture_of_logs();
monotime_disable_test_mocking();
timers_shutdown();
channel_free_all();