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consdiffmgr test: add a test for updating ht on clean/rescan.

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This brings us back up to ~94% coverage
This commit is contained in:
Nick Mathewson 2017-04-16 12:17:08 -04:00
parent de0142cd9d
commit bb38657b77
1 changed files with 25 additions and 4 deletions
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29
src/test/test_consdiffmgr.c
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@ -623,6 +623,7 @@ test_consdiffmgr_cleanup_old_diffs(void *arg)
networkstatus_t *md_ns[N];
uint8_t md_ns_sha3[N][DIGEST256_LEN];
int i;
consensus_cache_entry_t *hold_ent = NULL, *ent;
/* Make sure that the cleanup function removes diffs to the not-most-recent
* consensus. */
@ -658,15 +659,19 @@ test_consdiffmgr_cleanup_old_diffs(void *arg)
tt_int_op(0, OP_EQ,
lookup_apply_and_verify_diff(FLAV_MICRODESC, md_body[1], md_body[2]));
tt_int_op(CONSDIFF_AVAILABLE, OP_EQ,
lookup_diff_from(&hold_ent, FLAV_MICRODESC, md_body[1]));
consensus_cache_entry_incref(hold_ent); // incref, so it is preserved.
/* Now add an even-more-recent consensus; this should make all previous
* diffs deletable */
tt_int_op(0, OP_EQ, consdiffmgr_add_consensus(md_body[3], md_ns[3]));
tt_int_op(2, OP_EQ, consdiffmgr_cleanup());
consensus_cache_entry_t *ent;
tt_int_op(CONSDIFF_NOT_FOUND, OP_EQ,
lookup_diff_from(&ent, FLAV_MICRODESC, md_body[0]));
tt_int_op(CONSDIFF_NOT_FOUND, OP_EQ,
/* This one is marked deletable but still in the hashtable */
tt_int_op(CONSDIFF_AVAILABLE, OP_EQ,
lookup_diff_from(&ent, FLAV_MICRODESC, md_body[1]));
tt_int_op(CONSDIFF_NOT_FOUND, OP_EQ,
lookup_diff_from(&ent, FLAV_MICRODESC, md_body[2]));
@ -674,11 +679,29 @@ test_consdiffmgr_cleanup_old_diffs(void *arg)
/* Everything should be valid at this point */
tt_int_op(0, OP_EQ, consdiffmgr_validate());
/* And if we recan NOW, we'll purge the hashtable of the entries,
* and launch attempts to generate new ones */
consdiffmgr_rescan();
tt_int_op(CONSDIFF_IN_PROGRESS, OP_EQ,
lookup_diff_from(&ent, FLAV_MICRODESC, md_body[0]));
tt_int_op(CONSDIFF_IN_PROGRESS, OP_EQ,
lookup_diff_from(&ent, FLAV_MICRODESC, md_body[1]));
tt_int_op(CONSDIFF_IN_PROGRESS, OP_EQ,
lookup_diff_from(&ent, FLAV_MICRODESC, md_body[2]));
/* We're still holding on to this, though, so we can still map it! */
const uint8_t *t1 = NULL;
size_t s;
int r = consensus_cache_entry_get_body(hold_ent, &t1, &s);
tt_int_op(r, OP_EQ, 0);
tt_assert(t1);
done:
for (i = 0; i < N; ++i) {
tor_free(md_body[i]);
networkstatus_vote_free(md_ns[i]);
}
consensus_cache_entry_decref(hold_ent);
UNMOCK(cpuworker_queue_work);
#undef N
}
@ -701,8 +724,6 @@ struct testcase_t consdiffmgr_tests[] = {
// XXXX Test: no duplicate diff job is launched when a job is pending.
// XXXX Test: register status when no pending entry existed?? (bug)
// XXXX Test: clean up hashtable after most-recent-consensus changes
// in cdm_diff_ht_purge().
// XXXX Test: cdm_entry_get_sha3_value cases.
// XXXX Test: sha3 mismatch on validation
// XXXX Test: non-cacheing cases of replyfn().