dns: fix dns query cache implementation

PR-URL: #58404 Refs: #57640 Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Tim Perry <pimterry@gmail.com>

Author: Ethan-Arrowood

src/cares_wrap.cc

@@ -879,9 +879,9 @@ void ChannelWrap::Setup() {
  }
 
  /* We do the call to ares_init_option for caller. */
- const int optmask =
- ARES_OPT_FLAGS | ARES_OPT_TIMEOUTMS |
- ARES_OPT_SOCK_STATE_CB | ARES_OPT_TRIES;
+ const int optmask = ARES_OPT_FLAGS | ARES_OPT_TIMEOUTMS |
+  ARES_OPT_SOCK_STATE_CB | ARES_OPT_TRIES |
+  ARES_OPT_QUERY_CACHE;
  r = ares_init_options(&channel_, &options, optmask);
 
  if (r != ARES_SUCCESS) {

test/parallel/test-dns.js

@@ -415,7 +415,7 @@ assert.throws(() => {
  (answer) => Object.assign({ domain }, answer)
  ),
  }), port, address);
- }, cases.length * 2 - 1));
+ }, cases.length * 2));
 
  server.bind(0, common.mustCall(() => {
  const address = server.address();