ABTest SDK for Go

Prerequisites

• An experiment is created. For more information, see Create an experiment.

• Environment variables are configured in the runtime environment of your code. For more information, see Manage access credentials.

Install the ABTest SDK for Go

go get github.com/aliyun/aliyun-pai-ab-go-sdk

Usage example

   package main

import (
	"fmt"
	"log"
	"os"

	"github.com/aliyun/aliyun-pai-ab-go-sdk/api"
	"github.com/aliyun/aliyun-pai-ab-go-sdk/experiments"
	"github.com/aliyun/aliyun-pai-ab-go-sdk/model"
)

func main() {

	// init config
	region := "cn-beijing"
	accessId := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_ID")
	accessKey := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET")
	config := api.NewConfiguration(region, accessId, accessKey)

	// init client
	client, err := experiments.NewExperimentClient(config, experiments.WithLogger(experiments.LoggerFunc(log.Printf)))
	if err != nil {
		log.Fatal(err)
	}

	// set up experiment context
	experimentContext := model.ExperimentContext{
		RequestId: "pvid",
		Uid:       "157",
		FilterParams: map[string]interface{}{
			"sex": "male",
			"age": 35,
		},
	}

	// match experiment
	// DefaultProject is project name
	experimentResult := client.MatchExperiment("<DefaultProject>", &experimentContext)

	// print experiment info
	fmt.Println(experimentResult.Info())
	// print exp id
	fmt.Println(experimentResult.GetExpId())

	// get experiment param value
	param := experimentResult.GetExperimentParams().GetString("ab_param_name", "not_exist")
	if param != "not_exist" {
		// experiment logic

	} else {
		// default logic

	}
}

Where:

• region: the region ID. For example, set it to cn-hangzhou for China (Hangzhou).

• request ID: a custom request ID. It is set as a field of the context object in the sample code above.

• Uid: the ID used for experiment traffic allocation. It can be a user ID from your service or a device ID.

• FilterParams: sex and male are experiment filter parameters. Modify them to match your scenario.

• <DefaultProject>: the name of the ABTest project. To view the project name, go to the ABTest project management console page. For more information, see Create an experiment project.