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package mail_test
import (
"bytes"
"io"
"log"
"testing"
"time"
"github.com/emersion/go-message/mail"
)
func ExampleWriter() {
var b bytes.Buffer
from := []*mail.Address{{"Mitsuha Miyamizu", "mitsuha.miyamizu@example.org"}}
to := []*mail.Address{{"Taki Tachibana", "taki.tachibana@example.org"}}
// Create our mail header
var h mail.Header
h.SetDate(time.Now())
h.SetAddressList("From", from)
h.SetAddressList("To", to)
// Create a new mail writer
mw, err := mail.CreateWriter(&b, h)
if err != nil {
log.Fatal(err)
}
// Create a text part
tw, err := mw.CreateInline()
if err != nil {
log.Fatal(err)
}
var th mail.InlineHeader
th.Set("Content-Type", "text/plain")
w, err := tw.CreatePart(th)
if err != nil {
log.Fatal(err)
}
io.WriteString(w, "Who are you?")
w.Close()
tw.Close()
// Create an attachment
var ah mail.AttachmentHeader
ah.Set("Content-Type", "image/jpeg")
ah.SetFilename("picture.jpg")
w, err = mw.CreateAttachment(ah)
if err != nil {
log.Fatal(err)
}
// TODO: write a JPEG file to w
w.Close()
mw.Close()
log.Println(b.String())
}
func TestWriter(t *testing.T) {
var b bytes.Buffer
var h mail.Header
h.SetSubject("Your Name")
mw, err := mail.CreateWriter(&b, h)
if err != nil {
t.Fatal(err)
}
// Create a text part
tw, err := mw.CreateInline()
if err != nil {
t.Fatal(err)
}
var th mail.InlineHeader
th.Set("Content-Type", "text/plain")
w, err := tw.CreatePart(th)
if err != nil {
t.Fatal(err)
}
io.WriteString(w, "Who are you?")
w.Close()
tw.Close()
// Create an attachment
var ah mail.AttachmentHeader
ah.Set("Content-Type", "text/plain")
ah.SetFilename("note.txt")
w, err = mw.CreateAttachment(ah)
if err != nil {
t.Fatal(err)
}
io.WriteString(w, "I'm Mitsuha.")
w.Close()
mw.Close()
testReader(t, &b)
}
func TestWriter_singleInline(t *testing.T) {
var b bytes.Buffer
var h mail.Header
h.SetSubject("Your Name")
mw, err := mail.CreateWriter(&b, h)
if err != nil {
t.Fatal(err)
}
// Create a text part
var th mail.InlineHeader
th.Set("Content-Type", "text/plain")
w, err := mw.CreateSingleInline(th)
if err != nil {
t.Fatal(err)
}
io.WriteString(w, "Who are you?")
w.Close()
// Create an attachment
var ah mail.AttachmentHeader
ah.Set("Content-Type", "text/plain")
ah.SetFilename("note.txt")
w, err = mw.CreateAttachment(ah)
if err != nil {
t.Fatal(err)
}
io.WriteString(w, "I'm Mitsuha.")
w.Close()
mw.Close()
t.Logf("Formatted message: \n%v", b.String())
testReader(t, &b)
}
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