forgejo/services/mailer/incoming/incoming_test.go

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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package incoming
import (
"strings"
"testing"
"github.com/emersion/go-imap"
"github.com/jhillyerd/enmime"
"github.com/stretchr/testify/assert"
)
func TestNotHandleTwice(t *testing.T) {
handledSet := new(imap.SeqSet)
msg := imap.NewMessage(90, []imap.FetchItem{imap.FetchBody})
handled := isAlreadyHandled(handledSet, msg)
assert.Equal(t, false, handled)
handledSet.AddNum(msg.SeqNum)
handled = isAlreadyHandled(handledSet, msg)
assert.Equal(t, true, handled)
}
func TestIsAutomaticReply(t *testing.T) {
cases := []struct {
Headers map[string]string
Expected bool
}{
{
Headers: map[string]string{},
Expected: false,
},
{
Headers: map[string]string{
"Auto-Submitted": "no",
},
Expected: false,
},
{
Headers: map[string]string{
"Auto-Submitted": "yes",
},
Expected: true,
},
{
Headers: map[string]string{
"X-Autoreply": "no",
},
Expected: false,
},
{
Headers: map[string]string{
"X-Autoreply": "yes",
},
Expected: true,
},
{
Headers: map[string]string{
"X-Autorespond": "yes",
},
Expected: true,
},
}
for _, c := range cases {
b := enmime.Builder().
From("Dummy", "dummy@gitea.io").
To("Dummy", "dummy@gitea.io")
for k, v := range c.Headers {
b = b.Header(k, v)
}
root, err := b.Build()
assert.NoError(t, err)
env, err := enmime.EnvelopeFromPart(root)
assert.NoError(t, err)
assert.Equal(t, c.Expected, isAutomaticReply(env))
}
}
func TestGetContentFromMailReader(t *testing.T) {
mailString := "Content-Type: multipart/mixed; boundary=message-boundary\r\n" +
"\r\n" +
"--message-boundary\r\n" +
"Content-Type: multipart/alternative; boundary=text-boundary\r\n" +
"\r\n" +
"--text-boundary\r\n" +
"Content-Type: text/plain\r\n" +
"Content-Disposition: inline\r\n" +
"\r\n" +
"mail content\r\n" +
"--text-boundary--\r\n" +
"--message-boundary\r\n" +
"Content-Type: text/plain\r\n" +
"Content-Disposition: attachment; filename=attachment.txt\r\n" +
"\r\n" +
"attachment content\r\n" +
"--message-boundary--\r\n"
env, err := enmime.ReadEnvelope(strings.NewReader(mailString))
assert.NoError(t, err)
content := getContentFromMailReader(env)
assert.Equal(t, "mail content", content.Content)
assert.Len(t, content.Attachments, 1)
assert.Equal(t, "attachment.txt", content.Attachments[0].Name)
assert.Equal(t, []byte("attachment content"), content.Attachments[0].Content)
mailString = "Content-Type: multipart/mixed; boundary=message-boundary\r\n" +
"\r\n" +
"--message-boundary\r\n" +
"Content-Type: multipart/alternative; boundary=text-boundary\r\n" +
"\r\n" +
"--text-boundary\r\n" +
"Content-Type: text/plain\r\n" +
"Content-Disposition: inline\r\n" +
"\r\n" +
"mail content\r\n" +
"--text-boundary--\r\n" +
"--message-boundary\r\n" +
"Content-Type: text/plain\r\n" +
"Content-Disposition: inline; filename=attachment.txt\r\n" +
"\r\n" +
"attachment content\r\n" +
"--message-boundary\r\n" +
"Content-Type: text/html\r\n" +
"Content-Disposition: inline; filename=attachment.html\r\n" +
"\r\n" +
"<p>html attachment content</p>\r\n" +
"--message-boundary\r\n" +
"Content-Type: image/png\r\n" +
"Content-Disposition: inline; filename=attachment.png\r\n" +
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" +
"iVBORw0KGgoAAAANSUhEUgAAAAgAAAAIAQMAAAD+wSzIAAAABlBMVEX///+/v7+jQ3Y5AAAADklEQVQI12P4AIX8EAgALgAD/aNpbtEAAAAASUVORK5CYII\r\n" +
"--message-boundary--\r\n"
env, err = enmime.ReadEnvelope(strings.NewReader(mailString))
assert.NoError(t, err)
content = getContentFromMailReader(env)
assert.Equal(t, "mail content\n--\nattachment content", content.Content)
assert.Len(t, content.Attachments, 2)
assert.Equal(t, "attachment.html", content.Attachments[0].Name)
assert.Equal(t, []byte("<p>html attachment content</p>"), content.Attachments[0].Content)
assert.Equal(t, "attachment.png", content.Attachments[1].Name)
mailString = "Content-Type: multipart/mixed; boundary=message-boundary\r\n" +
"\r\n" +
"--message-boundary\r\n" +
"Content-Type: multipart/alternative; boundary=text-boundary\r\n" +
"\r\n" +
"--text-boundary\r\n" +
"Content-Type: text/html\r\n" +
"Content-Disposition: inline\r\n" +
"\r\n" +
"<p>mail content</p>\r\n" +
"--text-boundary--\r\n" +
"--message-boundary--\r\n"
env, err = enmime.ReadEnvelope(strings.NewReader(mailString))
assert.NoError(t, err)
content = getContentFromMailReader(env)
assert.Equal(t, "mail content", content.Content)
assert.Empty(t, content.Attachments)
mailString = "Content-Type: multipart/mixed; boundary=message-boundary\r\n" +
"\r\n" +
"--message-boundary\r\n" +
"Content-Type: multipart/alternative; boundary=text-boundary\r\n" +
"\r\n" +
"--text-boundary\r\n" +
"Content-Type: text/plain\r\n" +
"Content-Disposition: inline\r\n" +
"\r\n" +
"mail content without signature\r\n" +
"----\r\n" +
"signature\r\n" +
"--text-boundary--\r\n" +
"--message-boundary--\r\n"
env, err = enmime.ReadEnvelope(strings.NewReader(mailString))
assert.NoError(t, err)
content = getContentFromMailReader(env)
assert.NoError(t, err)
assert.Equal(t, "mail content without signature", content.Content)
assert.Empty(t, content.Attachments)
}