https://github.com/k1low/smtptest

smtptest provides SMTP server for testing.
https://github.com/k1low/smtptest

go mail smtp testing

Last synced: about 1 year ago
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smtptest provides SMTP server for testing.

• Host: GitHub
• URL: https://github.com/k1low/smtptest
• Owner: k1LoW
• License: mit
• Created: 2022-04-11T04:07:14.000Z (about 4 years ago)
• Default Branch: main
• Last Pushed: 2025-03-13T04:35:23.000Z (over 1 year ago)
• Last Synced: 2025-03-29T05:41:34.444Z (about 1 year ago)
• Topics: go, mail, smtp, testing
• Language: Go
• Homepage:
• Size: 61.5 KB
• Stars: 5
• Watchers: 2
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

Awesome Lists containing this project

README

          
# smtptest [![build](https://github.com/k1LoW/smtptest/actions/workflows/ci.yml/badge.svg)](https://github.com/k1LoW/smtptest/actions/workflows/ci.yml) ![Coverage](https://raw.githubusercontent.com/k1LoW/octocovs/main/badges/k1LoW/smtptest/coverage.svg) ![Code to Test Ratio](https://raw.githubusercontent.com/k1LoW/octocovs/main/badges/k1LoW/smtptest/ratio.svg) ![Test Execution Time](https://raw.githubusercontent.com/k1LoW/octocovs/main/badges/k1LoW/smtptest/time.svg)

`smtptest` provides SMTP server for testing.

## Usage

``` go

package main

import (

	"fmt"

	"net/smtp"

	"strings"

	"testing"

	"github.com/k1LoW/smtptest"

)

const testMsg = "To: alice@example.net\r\n" +

	"Subject: Hello Gophers!\r\n" +

	"\r\n" +

	"This is the email body.\r\n"

func TestSendMail(t *testing.T) {

	ts, auth, err := smtptest.NewServerWithAuth()

	if err != nil {

		t.Fatal(err)

	}

	t.Cleanup(func() {

		ts.Close()

	})

	addr := ts.Addr()

	if err := smtp.SendMail(addr, auth, "sender@example.org", []string{"alice@example.net"}, []byte(testMsg)); err != nil {

		t.Fatal(err)

	}

	if len(ts.Messages()) != 1 {

		t.Errorf("got %v\nwant %v", len(ts.Messages()), 1)

	}

	msgs := ts.Messages()

	got := msgs[0].Header.Get("To")

	want := "alice@example.net"

	if got != want {

		t.Errorf("got %v\nwant %v", got, want)

	}

}

```

## References

- https://github.com/influxdata/kapacitor/tree/master/services/smtp/smtptest