dex/vendor/gopkg.in/gomail.v2/message_test.go

631 lines
18 KiB
Go
Raw Normal View History

2016-04-09 00:26:29 +05:30
package gomail
import (
"bytes"
"encoding/base64"
"io"
"io/ioutil"
"path/filepath"
"regexp"
"strconv"
"strings"
"testing"
"time"
)
func init() {
now = func() time.Time {
return time.Date(2014, 06, 25, 17, 46, 0, 0, time.UTC)
}
}
type message struct {
from string
to []string
content string
}
func TestMessage(t *testing.T) {
m := NewMessage()
m.SetAddressHeader("From", "from@example.com", "Señor From")
m.SetHeader("To", m.FormatAddress("to@example.com", "Señor To"), "tobis@example.com")
m.SetAddressHeader("Cc", "cc@example.com", "A, B")
m.SetAddressHeader("X-To", "ccbis@example.com", "à, b")
m.SetDateHeader("X-Date", now())
m.SetHeader("X-Date-2", m.FormatDate(now()))
m.SetHeader("Subject", "¡Hola, señor!")
m.SetHeaders(map[string][]string{
"X-Headers": {"Test", "Café"},
})
m.SetBody("text/plain", "¡Hola, señor!")
want := &message{
from: "from@example.com",
to: []string{
"to@example.com",
"tobis@example.com",
"cc@example.com",
},
content: "From: =?UTF-8?q?Se=C3=B1or_From?= <from@example.com>\r\n" +
"To: =?UTF-8?q?Se=C3=B1or_To?= <to@example.com>, tobis@example.com\r\n" +
"Cc: \"A, B\" <cc@example.com>\r\n" +
"X-To: =?UTF-8?b?w6AsIGI=?= <ccbis@example.com>\r\n" +
"X-Date: Wed, 25 Jun 2014 17:46:00 +0000\r\n" +
"X-Date-2: Wed, 25 Jun 2014 17:46:00 +0000\r\n" +
"X-Headers: Test, =?UTF-8?q?Caf=C3=A9?=\r\n" +
"Subject: =?UTF-8?q?=C2=A1Hola,_se=C3=B1or!?=\r\n" +
"Content-Type: text/plain; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
"=C2=A1Hola, se=C3=B1or!",
}
testMessage(t, m, 0, want)
}
func TestBodyWriter(t *testing.T) {
m := NewMessage()
m.SetHeader("From", "from@example.com")
m.SetHeader("To", "to@example.com")
m.AddAlternativeWriter("text/plain", func(w io.Writer) error {
_, err := w.Write([]byte("Test message"))
return err
})
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" +
"Test message",
}
testMessage(t, m, 0, want)
}
func TestCustomMessage(t *testing.T) {
m := NewMessage(SetCharset("ISO-8859-1"), SetEncoding(Base64))
m.SetHeaders(map[string][]string{
"From": {"from@example.com"},
"To": {"to@example.com"},
"Subject": {"Café"},
})
m.SetBody("text/html", "¡Hola, señor!")
want := &message{
from: "from@example.com",
to: []string{"to@example.com"},
content: "From: from@example.com\r\n" +
"To: to@example.com\r\n" +
"Subject: =?ISO-8859-1?b?Q2Fmw6k=?=\r\n" +
"Content-Type: text/html; charset=ISO-8859-1\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
"wqFIb2xhLCBzZcOxb3Ih",
}
testMessage(t, m, 0, want)
}
func TestUnencodedMessage(t *testing.T) {
m := NewMessage(SetEncoding(Unencoded))
m.SetHeaders(map[string][]string{
"From": {"from@example.com"},
"To": {"to@example.com"},
"Subject": {"Café"},
})
m.SetBody("text/html", "¡Hola, señor!")
want := &message{
from: "from@example.com",
to: []string{"to@example.com"},
content: "From: from@example.com\r\n" +
"To: to@example.com\r\n" +
"Subject: =?UTF-8?q?Caf=C3=A9?=\r\n" +
"Content-Type: text/html; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: 8bit\r\n" +
"\r\n" +
"¡Hola, señor!",
}
testMessage(t, m, 0, want)
}
func TestRecipients(t *testing.T) {
m := NewMessage()
m.SetHeaders(map[string][]string{
"From": {"from@example.com"},
"To": {"to@example.com"},
"Cc": {"cc@example.com"},
"Bcc": {"bcc1@example.com", "bcc2@example.com"},
"Subject": {"Hello!"},
})
m.SetBody("text/plain", "Test message")
want := &message{
from: "from@example.com",
to: []string{"to@example.com", "cc@example.com", "bcc1@example.com", "bcc2@example.com"},
content: "From: from@example.com\r\n" +
"To: to@example.com\r\n" +
"Cc: cc@example.com\r\n" +
"Subject: Hello!\r\n" +
"Content-Type: text/plain; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
"Test message",
}
testMessage(t, m, 0, want)
}
func TestAlternative(t *testing.T) {
m := NewMessage()
m.SetHeader("From", "from@example.com")
m.SetHeader("To", "to@example.com")
m.SetBody("text/plain", "¡Hola, señor!")
m.AddAlternative("text/html", "¡<b>Hola</b>, <i>señor</i>!</h1>")
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: multipart/alternative; boundary=_BOUNDARY_1_\r\n" +
"\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: text/plain; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
"=C2=A1Hola, se=C3=B1or!\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: text/html; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
"=C2=A1<b>Hola</b>, <i>se=C3=B1or</i>!</h1>\r\n" +
"--_BOUNDARY_1_--\r\n",
}
testMessage(t, m, 1, want)
}
func TestAttachmentOnly(t *testing.T) {
m := NewMessage()
m.SetHeader("From", "from@example.com")
m.SetHeader("To", "to@example.com")
m.Attach(mockCopyFile("/tmp/test.pdf"))
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: application/pdf; name=\"test.pdf\"\r\n" +
"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")),
}
testMessage(t, m, 0, want)
}
func TestAttachment(t *testing.T) {
m := NewMessage()
m.SetHeader("From", "from@example.com")
m.SetHeader("To", "to@example.com")
m.SetBody("text/plain", "Test")
m.Attach(mockCopyFile("/tmp/test.pdf"))
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: multipart/mixed; boundary=_BOUNDARY_1_\r\n" +
"\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: text/plain; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
"Test\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: application/pdf; name=\"test.pdf\"\r\n" +
"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")) + "\r\n" +
"--_BOUNDARY_1_--\r\n",
}
testMessage(t, m, 1, want)
}
func TestAttachmentsOnly(t *testing.T) {
m := NewMessage()
m.SetHeader("From", "from@example.com")
m.SetHeader("To", "to@example.com")
m.Attach(mockCopyFile("/tmp/test.pdf"))
m.Attach(mockCopyFile("/tmp/test.zip"))
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: multipart/mixed; boundary=_BOUNDARY_1_\r\n" +
"\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: application/pdf; name=\"test.pdf\"\r\n" +
"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")) + "\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: application/zip; name=\"test.zip\"\r\n" +
"Content-Disposition: attachment; filename=\"test.zip\"\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of test.zip")) + "\r\n" +
"--_BOUNDARY_1_--\r\n",
}
testMessage(t, m, 1, want)
}
func TestAttachments(t *testing.T) {
m := NewMessage()
m.SetHeader("From", "from@example.com")
m.SetHeader("To", "to@example.com")
m.SetBody("text/plain", "Test")
m.Attach(mockCopyFile("/tmp/test.pdf"))
m.Attach(mockCopyFile("/tmp/test.zip"))
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: multipart/mixed; boundary=_BOUNDARY_1_\r\n" +
"\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: text/plain; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
"Test\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: application/pdf; name=\"test.pdf\"\r\n" +
"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")) + "\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: application/zip; name=\"test.zip\"\r\n" +
"Content-Disposition: attachment; filename=\"test.zip\"\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of test.zip")) + "\r\n" +
"--_BOUNDARY_1_--\r\n",
}
testMessage(t, m, 1, want)
}
func TestEmbedded(t *testing.T) {
m := NewMessage()
m.SetHeader("From", "from@example.com")
m.SetHeader("To", "to@example.com")
m.Embed(mockCopyFileWithHeader(m, "image1.jpg", map[string][]string{"Content-ID": {"<test-content-id>"}}))
m.Embed(mockCopyFile("image2.jpg"))
m.SetBody("text/plain", "Test")
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: multipart/related; boundary=_BOUNDARY_1_\r\n" +
"\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: text/plain; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
"Test\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: image/jpeg; name=\"image1.jpg\"\r\n" +
"Content-Disposition: inline; filename=\"image1.jpg\"\r\n" +
"Content-ID: <test-content-id>\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of image1.jpg")) + "\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: image/jpeg; name=\"image2.jpg\"\r\n" +
"Content-Disposition: inline; filename=\"image2.jpg\"\r\n" +
"Content-ID: <image2.jpg>\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of image2.jpg")) + "\r\n" +
"--_BOUNDARY_1_--\r\n",
}
testMessage(t, m, 1, want)
}
func TestFullMessage(t *testing.T) {
m := NewMessage()
m.SetHeader("From", "from@example.com")
m.SetHeader("To", "to@example.com")
m.SetBody("text/plain", "¡Hola, señor!")
m.AddAlternative("text/html", "¡<b>Hola</b>, <i>señor</i>!</h1>")
m.Attach(mockCopyFile("test.pdf"))
m.Embed(mockCopyFile("image.jpg"))
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: multipart/mixed; boundary=_BOUNDARY_1_\r\n" +
"\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: multipart/related; boundary=_BOUNDARY_2_\r\n" +
"\r\n" +
"--_BOUNDARY_2_\r\n" +
"Content-Type: multipart/alternative; boundary=_BOUNDARY_3_\r\n" +
"\r\n" +
"--_BOUNDARY_3_\r\n" +
"Content-Type: text/plain; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
"=C2=A1Hola, se=C3=B1or!\r\n" +
"--_BOUNDARY_3_\r\n" +
"Content-Type: text/html; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
"=C2=A1<b>Hola</b>, <i>se=C3=B1or</i>!</h1>\r\n" +
"--_BOUNDARY_3_--\r\n" +
"\r\n" +
"--_BOUNDARY_2_\r\n" +
"Content-Type: image/jpeg; name=\"image.jpg\"\r\n" +
"Content-Disposition: inline; filename=\"image.jpg\"\r\n" +
"Content-ID: <image.jpg>\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of image.jpg")) + "\r\n" +
"--_BOUNDARY_2_--\r\n" +
"\r\n" +
"--_BOUNDARY_1_\r\n" +
"Content-Type: application/pdf; name=\"test.pdf\"\r\n" +
"Content-Disposition: attachment; filename=\"test.pdf\"\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
base64.StdEncoding.EncodeToString([]byte("Content of test.pdf")) + "\r\n" +
"--_BOUNDARY_1_--\r\n",
}
testMessage(t, m, 3, want)
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" +
"Test reset",
}
m.Reset()
m.SetHeader("From", "from@example.com")
m.SetHeader("To", "to@example.com")
m.SetBody("text/plain", "Test reset")
testMessage(t, m, 0, want)
}
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()
}
}