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Add channel lifecycle test

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This commit is contained in:
Andrea Shepard 2013-12-18 15:50:32 -08:00
parent fd57840a77
commit 37baef0687
1 changed files with 114 additions and 0 deletions
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114
src/test/test_channel.c
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@ -18,7 +18,9 @@
static int test_chan_accept_cells = 0;
static int test_cells_written = 0;
static int test_destroy_not_pending_calls = 0;
static int test_doesnt_want_writes_count = 0;
static double test_overhead_estimate = 1.0f;
static int test_releases_count = 0;
static void channel_note_destroy_not_pending_mock(channel_t *ch,
circid_t circid);
@ -32,8 +34,10 @@ static int chan_test_write_var_cell(channel_t *ch, var_cell_t *var_cell);
static void make_fake_cell(cell_t *c);
static void make_fake_var_cell(var_cell_t *c);
static channel_t * new_fake_channel(void);
static void scheduler_channel_doesnt_want_writes_mock(channel_t *ch);
static void scheduler_release_channel_mock(channel_t *ch);
static void test_channel_lifecycle(void *arg);
static void test_channel_multi(void *arg);
static void test_channel_queue_size(void *arg);
static void test_channel_write(void *arg);
@ -190,6 +194,17 @@ new_fake_channel(void)
return chan;
}
static void
scheduler_channel_doesnt_want_writes_mock(channel_t *ch)
{
(void)ch;
/* Increment counter */
++test_doesnt_want_writes_count;
return;
}
static void
scheduler_release_channel_mock(channel_t *ch)
{
@ -201,6 +216,104 @@ scheduler_release_channel_mock(channel_t *ch)
return;
}
static void
test_channel_lifecycle(void *arg)
{
channel_t *ch1 = NULL, *ch2 = NULL;
cell_t *cell = NULL;
int old_count, init_doesnt_want_writes_count;
int init_releases_count;
(void)arg;
/* Mock these for the whole lifecycle test */
MOCK(scheduler_channel_doesnt_want_writes,
scheduler_channel_doesnt_want_writes_mock);
MOCK(scheduler_release_channel,
scheduler_release_channel_mock);
/* Cache some initial counter values */
init_doesnt_want_writes_count = test_doesnt_want_writes_count;
init_releases_count = test_releases_count;
/* Accept cells to lower layer */
test_chan_accept_cells = 1;
/* Use default overhead factor */
test_overhead_estimate = 1.0f;
ch1 = new_fake_channel();
test_assert(ch1);
/* Start it off in OPENING */
ch1->state = CHANNEL_STATE_OPENING;
/* Try to register it */
channel_register(ch1);
test_assert(ch1->registered);
/* Try to write a cell through (should queue) */
cell = tor_malloc_zero(sizeof(cell_t));
make_fake_cell(cell);
old_count = test_cells_written;
channel_write_cell(ch1, cell);
test_eq(old_count, test_cells_written);
/* Move it to OPEN and flush */
channel_change_state(ch1, CHANNEL_STATE_OPEN);
/* Queue should drain */
test_eq(old_count + 1, test_cells_written);
/* Get another one */
ch2 = new_fake_channel();
test_assert(ch2);
ch2->state = CHANNEL_STATE_OPENING;
/* Register */
channel_register(ch2);
test_assert(ch2->registered);
/* Check counters */
test_eq(test_doesnt_want_writes_count, init_doesnt_want_writes_count);
test_eq(test_releases_count, init_releases_count);
/* Move ch1 to MAINT */
channel_change_state(ch1, CHANNEL_STATE_MAINT);
test_eq(test_doesnt_want_writes_count, init_doesnt_want_writes_count + 1);
test_eq(test_releases_count, init_releases_count);
/* Move ch2 to OPEN */
channel_change_state(ch2, CHANNEL_STATE_OPEN);
test_eq(test_doesnt_want_writes_count, init_doesnt_want_writes_count + 1);
test_eq(test_releases_count, init_releases_count);
/* Move ch1 back to OPEN */
channel_change_state(ch1, CHANNEL_STATE_OPEN);
test_eq(test_doesnt_want_writes_count, init_doesnt_want_writes_count + 1);
test_eq(test_releases_count, init_releases_count);
/* Mark ch2 for close */
channel_mark_for_close(ch2);
test_eq(ch2->state, CHANNEL_STATE_CLOSING);
test_eq(test_doesnt_want_writes_count, init_doesnt_want_writes_count + 1);
test_eq(test_releases_count, init_releases_count + 1);
/* Shut down channels */
channel_free_all();
ch1 = ch2 = NULL;
test_eq(test_doesnt_want_writes_count, init_doesnt_want_writes_count + 1);
/* channel_free() calls scheduler_release_channel() */
test_eq(test_releases_count, init_releases_count + 4);
done:
tor_free(ch1);
tor_free(ch2);
UNMOCK(scheduler_channel_doesnt_want_writes);
UNMOCK(scheduler_release_channel);
return;
}
static void
test_channel_multi(void *arg)
{
@ -563,6 +676,7 @@ test_channel_write(void *arg)
}
struct testcase_t channel_tests[] = {
{ "lifecycle", test_channel_lifecycle, TT_FORK, NULL, NULL },
{ "multi", test_channel_multi, TT_FORK, NULL, NULL },
{ "queue_size", test_channel_queue_size, TT_FORK, NULL, NULL },
{ "write", test_channel_write, TT_FORK, NULL, NULL },