postal

package main

import (
	"net/smtp"
	"testing"

	"github.com/gomicro/postal"
)

func main() {
	// This would normally be provided by the testing function
	var t *testing.T

	host := "mailhost.com:25"
	auth := smtp.PlainAuth("", "username", "password", "mailhost.com")
	from := "dev@gomicro.io"
	to := []string{"foo@bar.com"}
	body := []byte("hello world")

	p := postal.New()
	SendMail := p.Mailer()

	err := SendMail(host, auth, from, to, body)
	if err != nil {
		t.Error(err.Error())
	}

	if p.Mailed() != 1 {
		t.Errorf("expected 1 mailed, got %v mailed", p.Mailed())
	}

	records := p.MailRecords()
	if len(records) != 1 {
		t.Errorf("expected 1 record, got %v record", len(records))
	}

	r := records[0]
	if r.Host != host {
		t.Errorf("expected %v, got %v", host, r.Host)
	}

	if r.From != from {
		t.Errorf("expected %v, got %v", from, r.From)
	}

	if string(r.Body) != string(body) {
		t.Errorf("expected %v, got %v", string(body), string(r.Body))
	}
}

Output:

package main

import (
	"fmt"
	"net/smtp"
	"testing"

	"github.com/gomicro/postal"
)

func main() {
	// This would normally be provided by the testing function
	var t *testing.T

	auth := smtp.PlainAuth("", "username", "password", "mailhost.com")

	p := postal.New()
	p.SetError(fmt.Errorf("something's not quite right here"))
	SendMail := p.Mailer()

	err := SendMail("mailhost.com:25", auth, "dev@gomicro.io", []string{"foo@bar.com"}, []byte("Hello world"))

	if err == nil {
		t.Errorf("Expected error, and got nil")
	}
}

Output: