chore: add echparser package for parse ECHConfigList and ECHConfig

component/ech/key_test.go

@@ -0,0 +1,30 @@
+package ech
+
+import (
+	"encoding/base64"
+	"testing"
+
+	"github.com/metacubex/mihomo/component/ech/echparser"
+)
+
+func TestGenECHConfig(t *testing.T) {
+	domain := "www.example.com"
+	configBase64, _, err := GenECHConfig(domain)
+	if err != nil {
+		t.Error(err)
+	}
+	echConfigList, err := base64.StdEncoding.DecodeString(configBase64)
+	if err != nil {
+		t.Error(err)
+	}
+	echConfigs, err := echparser.ParseECHConfigList(echConfigList)
+	if err != nil {
+		t.Error(err)
+	}
+	if len(echConfigs) == 0 {
+		t.Error("no ech config")
+	}
+	if publicName := string(echConfigs[0].PublicName); publicName != domain {
+		t.Error("ech config domain error, expect ", domain, " got", publicName)
+	}
+}