package utils

import (
	"gopkg.in/yaml.v2"
	"io"
	"os"
	"testing"
)

type Mysql struct {
	Host string
}

type config struct {
	Version int    `yaml:"version"`
	Mapping *Mysql `yaml:"mapping"`
}

func TestNewFile(t *testing.T) {
	file, err := os.OpenFile("test.yml", os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
	if err != nil {
		t.Log(err)
		return
	}
	defer file.Close()

	enc := yaml.NewEncoder(file)

	err = enc.Encode(config{
		Version: 7,
		Mapping: &Mysql{
			Host: "123",
		},
	})
	if err != nil {
		t.Log(err)
		return
	}
}

func TestNewOpenFile(t *testing.T) {
	file, err := os.Open("BizChat(1).db-shm")

	if err != nil {
		t.Log(err)
		return
	}
	defer file.Close()

	_bytes := make([]byte, 0)

	if _bytes, err = io.ReadAll(file); err != nil {
		t.Log(err)
		return
	}
	t.Log(_bytes)

	t.Log(string(_bytes[0:2]))
}