fix unstable test (would fail due to dns result sorting

pkg/camo/upstream_proxy_test.go

@@ -7,12 +7,21 @@ package camo
 import (
  "fmt"
  "net"
+ "sort"
  "testing"
 
  "golang.org/x/net/http/httpproxy"
  "gotest.tools/v3/assert"
 )
 
+func IPListToStringList(sliceList []net.IP) []string {
+ list := make([]string, 0, len(sliceList))
+ for _, item := range sliceList {
+ list = append(list, item.String())
+ }
+ return list
+}
+
 func TestUpstreamProxyParsing(t *testing.T) {
  t.Parallel()
 
@@ -38,12 +47,15 @@ func TestUpstreamProxyParsing(t *testing.T) {
  assert.Equal(t, uspc.httpsProxy.scheme, "socks5")
  assert.Equal(t, uspc.httpsProxy.host, "localhost")
  assert.Equal(t, uspc.httpsProxy.port, "9999")
+
+ addresses := IPListToStringList(uspc.httpsProxy.addresses)
+ sort.Strings(addresses)
  assert.DeepEqual(
  t,
- uspc.httpsProxy.addresses,
- []net.IP{
- net.ParseIP("127.0.0.1"),
- net.ParseIP("::1"),
+ addresses,
+ []string{
+ "127.0.0.1",
+ "::1",
  },
  )
 }
@@ -128,5 +140,4 @@ func TestUpstreamProxyMatching(t *testing.T) {
  errMsg(elem.matchtype, elem.address, elem.port, elem.result),
  )
  }
-
 }