minimal docker image aprox 3mb

vendor/github.com/armon/go-socks5/resolver_test.go

@@ -0,0 +1,21 @@
+package socks5
+
+import (
+	"testing"
+
+	"golang.org/x/net/context"
+)
+
+func TestDNSResolver(t *testing.T) {
+	d := DNSResolver{}
+	ctx := context.Background()
+
+	_, addr, err := d.Resolve(ctx, "localhost")
+	if err != nil {
+		t.Fatalf("err: %v", err)
+	}
+
+	if !addr.IsLoopback() {
+		t.Fatalf("expected loopback")
+	}
+}