Re: [go-nuts] How to write unit test for init()?

[Mhd Shulhan]

On Tue, 27 Nov 2018, 11:08 Vast Peng 
>
>   when importing *component*, Golang will call *init() *automatically.
>

One way to do it is by moving the init into another function and call it
from init.  That way you can create test for the function.

>

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[go-nuts] How to write unit test for init()?

[Vast Peng]

The code below:

package component

import "os"

type BaseicConfig struct{
}

func init() {
 configDir := os.Getenv(constant.ProjectRootEnv)
 if configDir == "" {
 // run here.
 log.Panic(constant.InvalidEnvVariables)
 }


 configPath := filepath.Join(configDir, constant.ConfigName)
 if _, err := toml.DecodeFile(configPath, ); err != nil {
 log.Panic(err.Error())
 }
}

I want to test it.

Problem:

  when importing *component*, Golang will call *init() *automatically.

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