package translate

import (
	"errors"
	"testing"
)

// 用线上真实的报错文本验证限流识别：识别不出来就不会重试，一次限流就把整篇译文废掉。
func TestIsThrottling(t *testing.T) {
	prodErr := errors.New(`translate request: SDK.ServerError
ErrorCode: Throttling.User
Recommend: https://api.aliyun.com/troubleshoot?q=Throttling.User&product=alimt
RequestId: 019F3BB4-F581-5AEE-80BE-74DB1FB673E1
Message: Request was denied due to user flow control.`)
	if !isThrottling(prodErr) {
		t.Fatal("线上 Throttling.User 报错未被识别为限流，重试不会触发")
	}

	if !isThrottling(errors.New("Request was denied due to user flow control.")) {
		t.Error("flow control 文案应识别为限流")
	}
	// 非限流错误不应重试（例如参数错误），否则白白拖慢失败路径
	if isThrottling(errors.New("translate failed: code=10004 msg=empty source text")) {
		t.Error("参数错误被误判为限流，会导致无谓重试")
	}
	if isThrottling(nil) {
		t.Error("nil 不应判为限流")
	}
}