consolidate all resolution in resolver; split units

Signed-off-by: Jason Volk <jason@zemos.net>

src/service/resolver/tests.rs

@@ -0,0 +1,43 @@
+#![cfg(test)]
+
+use super::fed::{add_port_to_hostname, get_ip_with_port, FedDest};
+
+#[test]
+fn ips_get_default_ports() {
+	assert_eq!(
+		get_ip_with_port("1.1.1.1"),
+		Some(FedDest::Literal("1.1.1.1:8448".parse().unwrap()))
+	);
+	assert_eq!(
+		get_ip_with_port("dead:beef::"),
+		Some(FedDest::Literal("[dead:beef::]:8448".parse().unwrap()))
+	);
+}
+
+#[test]
+fn ips_keep_custom_ports() {
+	assert_eq!(
+		get_ip_with_port("1.1.1.1:1234"),
+		Some(FedDest::Literal("1.1.1.1:1234".parse().unwrap()))
+	);
+	assert_eq!(
+		get_ip_with_port("[dead::beef]:8933"),
+		Some(FedDest::Literal("[dead::beef]:8933".parse().unwrap()))
+	);
+}
+
+#[test]
+fn hostnames_get_default_ports() {
+	assert_eq!(
+		add_port_to_hostname("example.com"),
+		FedDest::Named(String::from("example.com"), String::from(":8448"))
+	);
+}
+
+#[test]
+fn hostnames_keep_custom_ports() {
+	assert_eq!(
+		add_port_to_hostname("example.com:1337"),
+		FedDest::Named(String::from("example.com"), String::from(":1337"))
+	);
+}