feat(dns) resolveSrv (#1870)

* initial steps

* in-progress resolveSrv support

* fix memory leak and ZigGlobalObject

* promise.resolve + fix priority and weight mistake

* fix node dns export

* little better test

* add poll_ref to keep alive loop in callback for resolveSrv and lookup

* add test for error case in resolveSrc

* fix Bun.dns.resolveSrv type

2 files changed, 22 insertions, 1 deletions

diff --git a/test/bun.js/node-dns.test.js b/test/bun.js/node-dns.test.js
index 150dcb33d..287645bd9 100644
--- a/test/bun.js/node-dns.test.js
+++ b/test/bun.js/node-dns.test.js
@@ -31,3 +31,24 @@ test("dns.lookup (example.com)", (done) => {
     done(err);
   });
 });
+
+//TODO: use a bun.sh SRV for testing
+test("dns.resolveSrv (_test._tcp.test.socketify.dev)", (done) => {
+  dns.resolveSrv("_test._tcp.test.socketify.dev", (err, results) => {
+    expect(err).toBeNull();
+    expect(results instanceof Array).toBe(true);
+    expect(results[0].name).toBe("_dc-srv.130c90ab9de1._test._tcp.test.socketify.dev");
+    expect(results[0].priority).toBe(50);
+    expect(results[0].weight).toBe(50);
+    expect(results[0].port).toBe(80);
+    done(err);
+  });
+});
+
+test("dns.resolveSrv (_test._tcp.invalid.localhost)", (done) => {
+  dns.resolveSrv("_test._tcp.invalid.localhost", (err, results) => {
+    expect(err).toBeTruthy();
+    expect(results).toBeUndefined(true);
+    done();
+  });
+});
\ No newline at end of file
diff --git a/test/bun.js/resolve-dns.test.ts b/test/bun.js/resolve-dns.test.ts
index f0db49b20..225a11e2a 100644
--- a/test/bun.js/resolve-dns.test.ts
+++ b/test/bun.js/resolve-dns.test.ts
@@ -51,4 +51,4 @@ describe("dns.lookup", () => {
       },
     );
   }
-});
+});
\ No newline at end of file