forked from mystiq/dex
630 lines
18 KiB
Go
630 lines
18 KiB
Go
package gomail
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import (
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"bytes"
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"encoding/base64"
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"io"
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"io/ioutil"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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"testing"
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"time"
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)
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func init() {
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now = func() time.Time {
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return time.Date(2014, 06, 25, 17, 46, 0, 0, time.UTC)
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}
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}
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type message struct {
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from string
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to []string
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content string
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}
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func TestMessage(t *testing.T) {
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m := NewMessage()
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m.SetAddressHeader("From", "from@example.com", "Señor From")
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m.SetHeader("To", m.FormatAddress("to@example.com", "Señor To"), "tobis@example.com")
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m.SetAddressHeader("Cc", "cc@example.com", "A, B")
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m.SetAddressHeader("X-To", "ccbis@example.com", "à, b")
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m.SetDateHeader("X-Date", now())
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m.SetHeader("X-Date-2", m.FormatDate(now()))
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m.SetHeader("Subject", "¡Hola, señor!")
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m.SetHeaders(map[string][]string{
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"X-Headers": {"Test", "Café"},
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})
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m.SetBody("text/plain", "¡Hola, señor!")
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want := &message{
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from: "from@example.com",
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to: []string{
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"to@example.com",
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"tobis@example.com",
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"cc@example.com",
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},
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content: "From: =?UTF-8?q?Se=C3=B1or_From?= <from@example.com>\r\n" +
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"To: =?UTF-8?q?Se=C3=B1or_To?= <to@example.com>, tobis@example.com\r\n" +
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"Cc: \"A, B\" <cc@example.com>\r\n" +
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"X-To: =?UTF-8?b?w6AsIGI=?= <ccbis@example.com>\r\n" +
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"X-Date: Wed, 25 Jun 2014 17:46:00 +0000\r\n" +
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"X-Date-2: Wed, 25 Jun 2014 17:46:00 +0000\r\n" +
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"X-Headers: Test, =?UTF-8?q?Caf=C3=A9?=\r\n" +
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"Subject: =?UTF-8?q?=C2=A1Hola,_se=C3=B1or!?=\r\n" +
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"Content-Type: text/plain; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"=C2=A1Hola, se=C3=B1or!",
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}
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testMessage(t, m, 0, want)
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}
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func TestBodyWriter(t *testing.T) {
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m := NewMessage()
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m.SetHeader("From", "from@example.com")
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m.SetHeader("To", "to@example.com")
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m.AddAlternativeWriter("text/plain", func(w io.Writer) error {
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_, err := w.Write([]byte("Test message"))
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return err
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})
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Content-Type: text/plain; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"Test message",
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}
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testMessage(t, m, 0, want)
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}
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func TestCustomMessage(t *testing.T) {
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m := NewMessage(SetCharset("ISO-8859-1"), SetEncoding(Base64))
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m.SetHeaders(map[string][]string{
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"From": {"from@example.com"},
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"To": {"to@example.com"},
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"Subject": {"Café"},
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})
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m.SetBody("text/html", "¡Hola, señor!")
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Subject: =?ISO-8859-1?b?Q2Fmw6k=?=\r\n" +
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"Content-Type: text/html; charset=ISO-8859-1\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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"wqFIb2xhLCBzZcOxb3Ih",
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}
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testMessage(t, m, 0, want)
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}
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func TestUnencodedMessage(t *testing.T) {
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m := NewMessage(SetEncoding(Unencoded))
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m.SetHeaders(map[string][]string{
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"From": {"from@example.com"},
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"To": {"to@example.com"},
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"Subject": {"Café"},
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})
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m.SetBody("text/html", "¡Hola, señor!")
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Subject: =?UTF-8?q?Caf=C3=A9?=\r\n" +
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"Content-Type: text/html; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: 8bit\r\n" +
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"\r\n" +
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"¡Hola, señor!",
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}
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testMessage(t, m, 0, want)
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}
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func TestRecipients(t *testing.T) {
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m := NewMessage()
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m.SetHeaders(map[string][]string{
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"From": {"from@example.com"},
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"To": {"to@example.com"},
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"Cc": {"cc@example.com"},
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"Bcc": {"bcc1@example.com", "bcc2@example.com"},
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"Subject": {"Hello!"},
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})
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m.SetBody("text/plain", "Test message")
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com", "cc@example.com", "bcc1@example.com", "bcc2@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Cc: cc@example.com\r\n" +
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"Subject: Hello!\r\n" +
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"Content-Type: text/plain; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"Test message",
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}
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testMessage(t, m, 0, want)
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}
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func TestAlternative(t *testing.T) {
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m := NewMessage()
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m.SetHeader("From", "from@example.com")
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m.SetHeader("To", "to@example.com")
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m.SetBody("text/plain", "¡Hola, señor!")
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m.AddAlternative("text/html", "¡<b>Hola</b>, <i>señor</i>!</h1>")
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Content-Type: multipart/alternative; boundary=_BOUNDARY_1_\r\n" +
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"\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: text/plain; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"=C2=A1Hola, se=C3=B1or!\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: text/html; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"=C2=A1<b>Hola</b>, <i>se=C3=B1or</i>!</h1>\r\n" +
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"--_BOUNDARY_1_--\r\n",
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}
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testMessage(t, m, 1, want)
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}
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func TestAttachmentOnly(t *testing.T) {
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m := NewMessage()
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m.SetHeader("From", "from@example.com")
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m.SetHeader("To", "to@example.com")
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m.Attach(mockCopyFile("/tmp/test.pdf"))
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Content-Type: application/pdf; name=\"test.pdf\"\r\n" +
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"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")),
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}
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testMessage(t, m, 0, want)
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}
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func TestAttachment(t *testing.T) {
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m := NewMessage()
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m.SetHeader("From", "from@example.com")
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m.SetHeader("To", "to@example.com")
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m.SetBody("text/plain", "Test")
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m.Attach(mockCopyFile("/tmp/test.pdf"))
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Content-Type: multipart/mixed; boundary=_BOUNDARY_1_\r\n" +
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"\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: text/plain; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"Test\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: application/pdf; name=\"test.pdf\"\r\n" +
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"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")) + "\r\n" +
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"--_BOUNDARY_1_--\r\n",
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}
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testMessage(t, m, 1, want)
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}
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func TestAttachmentsOnly(t *testing.T) {
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m := NewMessage()
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m.SetHeader("From", "from@example.com")
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m.SetHeader("To", "to@example.com")
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m.Attach(mockCopyFile("/tmp/test.pdf"))
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m.Attach(mockCopyFile("/tmp/test.zip"))
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Content-Type: multipart/mixed; boundary=_BOUNDARY_1_\r\n" +
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"\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: application/pdf; name=\"test.pdf\"\r\n" +
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"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")) + "\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: application/zip; name=\"test.zip\"\r\n" +
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"Content-Disposition: attachment; filename=\"test.zip\"\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of test.zip")) + "\r\n" +
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"--_BOUNDARY_1_--\r\n",
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}
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testMessage(t, m, 1, want)
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}
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func TestAttachments(t *testing.T) {
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m := NewMessage()
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m.SetHeader("From", "from@example.com")
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m.SetHeader("To", "to@example.com")
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m.SetBody("text/plain", "Test")
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m.Attach(mockCopyFile("/tmp/test.pdf"))
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m.Attach(mockCopyFile("/tmp/test.zip"))
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Content-Type: multipart/mixed; boundary=_BOUNDARY_1_\r\n" +
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"\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: text/plain; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"Test\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: application/pdf; name=\"test.pdf\"\r\n" +
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"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")) + "\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: application/zip; name=\"test.zip\"\r\n" +
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"Content-Disposition: attachment; filename=\"test.zip\"\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of test.zip")) + "\r\n" +
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"--_BOUNDARY_1_--\r\n",
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}
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testMessage(t, m, 1, want)
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}
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func TestEmbedded(t *testing.T) {
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m := NewMessage()
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m.SetHeader("From", "from@example.com")
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m.SetHeader("To", "to@example.com")
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m.Embed(mockCopyFileWithHeader(m, "image1.jpg", map[string][]string{"Content-ID": {"<test-content-id>"}}))
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m.Embed(mockCopyFile("image2.jpg"))
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m.SetBody("text/plain", "Test")
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Content-Type: multipart/related; boundary=_BOUNDARY_1_\r\n" +
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"\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: text/plain; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"Test\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: image/jpeg; name=\"image1.jpg\"\r\n" +
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"Content-Disposition: inline; filename=\"image1.jpg\"\r\n" +
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"Content-ID: <test-content-id>\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of image1.jpg")) + "\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: image/jpeg; name=\"image2.jpg\"\r\n" +
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"Content-Disposition: inline; filename=\"image2.jpg\"\r\n" +
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"Content-ID: <image2.jpg>\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of image2.jpg")) + "\r\n" +
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"--_BOUNDARY_1_--\r\n",
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}
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testMessage(t, m, 1, want)
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}
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func TestFullMessage(t *testing.T) {
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m := NewMessage()
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m.SetHeader("From", "from@example.com")
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m.SetHeader("To", "to@example.com")
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m.SetBody("text/plain", "¡Hola, señor!")
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m.AddAlternative("text/html", "¡<b>Hola</b>, <i>señor</i>!</h1>")
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m.Attach(mockCopyFile("test.pdf"))
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m.Embed(mockCopyFile("image.jpg"))
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want := &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Content-Type: multipart/mixed; boundary=_BOUNDARY_1_\r\n" +
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"\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: multipart/related; boundary=_BOUNDARY_2_\r\n" +
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"\r\n" +
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"--_BOUNDARY_2_\r\n" +
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"Content-Type: multipart/alternative; boundary=_BOUNDARY_3_\r\n" +
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"\r\n" +
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"--_BOUNDARY_3_\r\n" +
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"Content-Type: text/plain; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"=C2=A1Hola, se=C3=B1or!\r\n" +
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"--_BOUNDARY_3_\r\n" +
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"Content-Type: text/html; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"=C2=A1<b>Hola</b>, <i>se=C3=B1or</i>!</h1>\r\n" +
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"--_BOUNDARY_3_--\r\n" +
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"\r\n" +
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"--_BOUNDARY_2_\r\n" +
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"Content-Type: image/jpeg; name=\"image.jpg\"\r\n" +
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"Content-Disposition: inline; filename=\"image.jpg\"\r\n" +
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"Content-ID: <image.jpg>\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of image.jpg")) + "\r\n" +
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"--_BOUNDARY_2_--\r\n" +
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"\r\n" +
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"--_BOUNDARY_1_\r\n" +
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"Content-Type: application/pdf; name=\"test.pdf\"\r\n" +
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"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
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"Content-Transfer-Encoding: base64\r\n" +
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"\r\n" +
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base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")) + "\r\n" +
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"--_BOUNDARY_1_--\r\n",
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}
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testMessage(t, m, 3, want)
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want = &message{
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from: "from@example.com",
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to: []string{"to@example.com"},
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content: "From: from@example.com\r\n" +
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"To: to@example.com\r\n" +
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"Content-Type: text/plain; charset=UTF-8\r\n" +
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"Content-Transfer-Encoding: quoted-printable\r\n" +
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"\r\n" +
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"Test reset",
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}
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m.Reset()
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m.SetHeader("From", "from@example.com")
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m.SetHeader("To", "to@example.com")
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m.SetBody("text/plain", "Test reset")
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testMessage(t, m, 0, want)
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}
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func TestQpLineLength(t *testing.T) {
|
|
m := NewMessage()
|
|
m.SetHeader("From", "from@example.com")
|
|
m.SetHeader("To", "to@example.com")
|
|
m.SetBody("text/plain",
|
|
strings.Repeat("0", 76)+"\r\n"+
|
|
strings.Repeat("0", 75)+"à\r\n"+
|
|
strings.Repeat("0", 74)+"à\r\n"+
|
|
strings.Repeat("0", 73)+"à\r\n"+
|
|
strings.Repeat("0", 72)+"à\r\n"+
|
|
strings.Repeat("0", 75)+"\r\n"+
|
|
strings.Repeat("0", 76)+"\n")
|
|
|
|
want := &message{
|
|
from: "from@example.com",
|
|
to: []string{"to@example.com"},
|
|
content: "From: from@example.com\r\n" +
|
|
"To: to@example.com\r\n" +
|
|
"Content-Type: text/plain; charset=UTF-8\r\n" +
|
|
"Content-Transfer-Encoding: quoted-printable\r\n" +
|
|
"\r\n" +
|
|
strings.Repeat("0", 75) + "=\r\n0\r\n" +
|
|
strings.Repeat("0", 75) + "=\r\n=C3=A0\r\n" +
|
|
strings.Repeat("0", 74) + "=\r\n=C3=A0\r\n" +
|
|
strings.Repeat("0", 73) + "=\r\n=C3=A0\r\n" +
|
|
strings.Repeat("0", 72) + "=C3=\r\n=A0\r\n" +
|
|
strings.Repeat("0", 75) + "\r\n" +
|
|
strings.Repeat("0", 75) + "=\r\n0\r\n",
|
|
}
|
|
|
|
testMessage(t, m, 0, want)
|
|
}
|
|
|
|
func TestBase64LineLength(t *testing.T) {
|
|
m := NewMessage(SetCharset("UTF-8"), SetEncoding(Base64))
|
|
m.SetHeader("From", "from@example.com")
|
|
m.SetHeader("To", "to@example.com")
|
|
m.SetBody("text/plain", strings.Repeat("0", 58))
|
|
|
|
want := &message{
|
|
from: "from@example.com",
|
|
to: []string{"to@example.com"},
|
|
content: "From: from@example.com\r\n" +
|
|
"To: to@example.com\r\n" +
|
|
"Content-Type: text/plain; charset=UTF-8\r\n" +
|
|
"Content-Transfer-Encoding: base64\r\n" +
|
|
"\r\n" +
|
|
strings.Repeat("MDAw", 19) + "\r\nMA==",
|
|
}
|
|
|
|
testMessage(t, m, 0, want)
|
|
}
|
|
|
|
func testMessage(t *testing.T, m *Message, bCount int, want *message) {
|
|
err := Send(stubSendMail(t, bCount, want), m)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func stubSendMail(t *testing.T, bCount int, want *message) SendFunc {
|
|
return func(from string, to []string, m io.WriterTo) error {
|
|
if from != want.from {
|
|
t.Fatalf("Invalid from, got %q, want %q", from, want.from)
|
|
}
|
|
|
|
if len(to) != len(want.to) {
|
|
t.Fatalf("Invalid recipient count, \ngot %d: %q\nwant %d: %q",
|
|
len(to), to,
|
|
len(want.to), want.to,
|
|
)
|
|
}
|
|
for i := range want.to {
|
|
if to[i] != want.to[i] {
|
|
t.Fatalf("Invalid recipient, got %q, want %q",
|
|
to[i], want.to[i],
|
|
)
|
|
}
|
|
}
|
|
|
|
buf := new(bytes.Buffer)
|
|
_, err := m.WriteTo(buf)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
got := buf.String()
|
|
wantMsg := string("Mime-Version: 1.0\r\n" +
|
|
"Date: Wed, 25 Jun 2014 17:46:00 +0000\r\n" +
|
|
want.content)
|
|
if bCount > 0 {
|
|
boundaries := getBoundaries(t, bCount, got)
|
|
for i, b := range boundaries {
|
|
wantMsg = strings.Replace(wantMsg, "_BOUNDARY_"+strconv.Itoa(i+1)+"_", b, -1)
|
|
}
|
|
}
|
|
|
|
compareBodies(t, got, wantMsg)
|
|
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func compareBodies(t *testing.T, got, want string) {
|
|
// We cannot do a simple comparison since the ordering of headers' fields
|
|
// is random.
|
|
gotLines := strings.Split(got, "\r\n")
|
|
wantLines := strings.Split(want, "\r\n")
|
|
|
|
// We only test for too many lines, missing lines are tested after
|
|
if len(gotLines) > len(wantLines) {
|
|
t.Fatalf("Message has too many lines, \ngot %d:\n%s\nwant %d:\n%s", len(gotLines), got, len(wantLines), want)
|
|
}
|
|
|
|
isInHeader := true
|
|
headerStart := 0
|
|
for i, line := range wantLines {
|
|
if line == gotLines[i] {
|
|
if line == "" {
|
|
isInHeader = false
|
|
} else if !isInHeader && len(line) > 2 && line[:2] == "--" {
|
|
isInHeader = true
|
|
headerStart = i + 1
|
|
}
|
|
continue
|
|
}
|
|
|
|
if !isInHeader {
|
|
missingLine(t, line, got, want)
|
|
}
|
|
|
|
isMissing := true
|
|
for j := headerStart; j < len(gotLines); j++ {
|
|
if gotLines[j] == "" {
|
|
break
|
|
}
|
|
if gotLines[j] == line {
|
|
isMissing = false
|
|
break
|
|
}
|
|
}
|
|
if isMissing {
|
|
missingLine(t, line, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func missingLine(t *testing.T, line, got, want string) {
|
|
t.Fatalf("Missing line %q\ngot:\n%s\nwant:\n%s", line, got, want)
|
|
}
|
|
|
|
func getBoundaries(t *testing.T, count int, m string) []string {
|
|
if matches := boundaryRegExp.FindAllStringSubmatch(m, count); matches != nil {
|
|
boundaries := make([]string, count)
|
|
for i, match := range matches {
|
|
boundaries[i] = match[1]
|
|
}
|
|
return boundaries
|
|
}
|
|
|
|
t.Fatal("Boundary not found in body")
|
|
return []string{""}
|
|
}
|
|
|
|
var boundaryRegExp = regexp.MustCompile("boundary=(\\w+)")
|
|
|
|
func mockCopyFile(name string) (string, FileSetting) {
|
|
return name, SetCopyFunc(func(w io.Writer) error {
|
|
_, err := w.Write([]byte("Content of " + filepath.Base(name)))
|
|
return err
|
|
})
|
|
}
|
|
|
|
func mockCopyFileWithHeader(m *Message, name string, h map[string][]string) (string, FileSetting, FileSetting) {
|
|
name, f := mockCopyFile(name)
|
|
return name, f, SetHeader(h)
|
|
}
|
|
|
|
func BenchmarkFull(b *testing.B) {
|
|
discardFunc := SendFunc(func(from string, to []string, m io.WriterTo) error {
|
|
_, err := m.WriteTo(ioutil.Discard)
|
|
return err
|
|
})
|
|
|
|
m := NewMessage()
|
|
b.ResetTimer()
|
|
for n := 0; n < b.N; n++ {
|
|
m.SetAddressHeader("From", "from@example.com", "Señor From")
|
|
m.SetHeaders(map[string][]string{
|
|
"To": {"to@example.com"},
|
|
"Cc": {"cc@example.com"},
|
|
"Bcc": {"bcc1@example.com", "bcc2@example.com"},
|
|
"Subject": {"¡Hola, señor!"},
|
|
})
|
|
m.SetBody("text/plain", "¡Hola, señor!")
|
|
m.AddAlternative("text/html", "<p>¡Hola, señor!</p>")
|
|
m.Attach(mockCopyFile("benchmark.txt"))
|
|
m.Embed(mockCopyFile("benchmark.jpg"))
|
|
|
|
if err := Send(discardFunc, m); err != nil {
|
|
panic(err)
|
|
}
|
|
m.Reset()
|
|
}
|
|
}
|