refactor: use adaptor to do relay & test

relay/helper/main.go

@@ -0,0 +1,42 @@
+package helper
+
+import (
+	"github.com/songquanpeng/one-api/relay/channel"
+	"github.com/songquanpeng/one-api/relay/channel/aiproxy"
+	"github.com/songquanpeng/one-api/relay/channel/ali"
+	"github.com/songquanpeng/one-api/relay/channel/anthropic"
+	"github.com/songquanpeng/one-api/relay/channel/baidu"
+	"github.com/songquanpeng/one-api/relay/channel/gemini"
+	"github.com/songquanpeng/one-api/relay/channel/openai"
+	"github.com/songquanpeng/one-api/relay/channel/palm"
+	"github.com/songquanpeng/one-api/relay/channel/tencent"
+	"github.com/songquanpeng/one-api/relay/channel/xunfei"
+	"github.com/songquanpeng/one-api/relay/channel/zhipu"
+	"github.com/songquanpeng/one-api/relay/constant"
+)
+
+func GetAdaptor(apiType int) channel.Adaptor {
+	switch apiType {
+	case constant.APITypeAIProxyLibrary:
+		return &aiproxy.Adaptor{}
+	case constant.APITypeAli:
+		return &ali.Adaptor{}
+	case constant.APITypeAnthropic:
+		return &anthropic.Adaptor{}
+	case constant.APITypeBaidu:
+		return &baidu.Adaptor{}
+	case constant.APITypeGemini:
+		return &gemini.Adaptor{}
+	case constant.APITypeOpenAI:
+		return &openai.Adaptor{}
+	case constant.APITypePaLM:
+		return &palm.Adaptor{}
+	case constant.APITypeTencent:
+		return &tencent.Adaptor{}
+	case constant.APITypeXunfei:
+		return &xunfei.Adaptor{}
+	case constant.APITypeZhipu:
+		return &zhipu.Adaptor{}
+	}
+	return nil
+}