Go language unit testing

monster.go

package monster

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
)

type Monster struct {
	Name string
	Age int
	Skill string
}

func (this *Monster) Store() bool {
	data, err := json.Marshal(this)
	if err != nil {
		fmt.Printf("marshal err = %v", err)
		return false
	}
	filePath := "d:/goProject/test/monster.log"
	err = ioutil.WriteFile(filePath, data, 0666)
	if err != nil {
		fmt.Printf("write file err = %v", err)
		return false
	}

	return true
}

func (this *Monster) ReStore() bool {
	filePath := "d:/goProject/test/monster.log"
	data, err := ioutil.ReadFile(filePath)
	if err != nil {
		fmt.Printf("read file err = %v", err)
		return false
	}
	err = json.Unmarshal(data, this)
	if err != nil {
		fmt.Printf("unmarshal err = %v", err)
		return false
	}

	return true
}

monster_test.go

package monster

import "testing"

func TestMonster_Store(t *testing.T) {
	monster := &Monster{
		Name: "红孩儿",
		Age: 10,
		Skill: "吐火",
	}
	res := monster.Store()
	if !res {
		t.Fatalf("Monster.Store() 错误, 希望是%v  实际为%v", true, res)
	}
	t.Logf("测试成功")

}

func TestMonster_ReStore(t *testing.T) {
	var monster = &Monster{}
	res := monster.ReStore()
	if !res {
		t.Fatalf("Monster.ReStore() 错误, 希望是%v  实际为%v", true, res)
	}
	t.Logf("测试成功")
}

carried out 

go test -v