package cluster

import "testing"

func TestParseServerAddr(t *testing.T) {
	host, port, err := parseServerAddr("10.0.0.10:8848")
	if err != nil {
		t.Fatalf("unexpected err: %v", err)
	}
	if host != "10.0.0.10" || port != 8848 {
		t.Fatalf("unexpected parse result %s:%d", host, port)
	}

	host, port, err = parseServerAddr("nacos.internal")
	if err != nil {
		t.Fatalf("unexpected err: %v", err)
	}
	if host != "nacos.internal" || port != 8848 {
		t.Fatalf("unexpected parse result %s:%d", host, port)
	}
}

func TestParseServerAddrInvalid(t *testing.T) {
	if _, _, err := parseServerAddr("10.0.0.10:"); err == nil {
		t.Fatalf("expected parse error")
	}
}

func TestResolveRegisterIP(t *testing.T) {
	if got := ResolveRegisterIP("172.16.1.9", "http://127.0.0.1:8080"); got != "172.16.1.9" {
		t.Fatalf("expected explicit ip, got %q", got)
	}
	if got := ResolveRegisterIP("", "http://10.2.3.4:8080"); got != "10.2.3.4" {
		t.Fatalf("expected host from instance url, got %q", got)
	}
}