gomail/send_test.go

80 lines
1.7 KiB
Go

package gomail
import (
"io"
"io/ioutil"
"reflect"
"testing"
)
const (
testTo1 = "to1@example.com"
testTo2 = "to2@example.com"
testFrom = "from@example.com"
testBody = "Test message"
testMsg = "To: " + testTo1 + ", " + testTo2 + "\r\n" +
"From: " + testFrom + "\r\n" +
"Mime-Version: 1.0\r\n" +
"Date: Wed, 25 Jun 2014 17:46:00 +0000\r\n" +
"Content-Type: text/plain; charset=UTF-8\r\n" +
"Content-Transfer-Encoding: quoted-printable\r\n" +
"\r\n" +
testBody
)
type mockSender SendFunc
func (s mockSender) Send(from string, to []string, msg io.Reader) error {
return s(from, to, msg)
}
type mockSendCloser struct {
mockSender
close func() error
}
func (s *mockSendCloser) Close() error {
return s.close()
}
func TestSend(t *testing.T) {
s := &mockSendCloser{
mockSender: stubSend(t, testFrom, []string{testTo1, testTo2}, testMsg),
close: func() error {
t.Error("Close() should not be called in Send()")
return nil
},
}
if err := Send(s, getTestMessage()); err != nil {
t.Errorf("Send(): %v", err)
}
}
func getTestMessage() *Message {
m := NewMessage()
m.SetHeader("From", testFrom)
m.SetHeader("To", testTo1, testTo2)
m.SetBody("text/plain", testBody)
return m
}
func stubSend(t *testing.T, wantFrom string, wantTo []string, wantBody string) mockSender {
return func(from string, to []string, msg io.Reader) error {
if from != wantFrom {
t.Errorf("invalid from, got %q, want %q", from, wantFrom)
}
if !reflect.DeepEqual(to, wantTo) {
t.Errorf("invalid to, got %v, want %v", to, wantTo)
}
content, err := ioutil.ReadAll(msg)
if err != nil {
t.Fatal(err)
}
compareBodies(t, string(content), wantBody)
return nil
}
}