Added examples

example_test.go

@@ -3,31 +3,101 @@ package gomail_test
 import (
 	"fmt"
 	"io"
-	"strings"
+	"time"
 
-	"github.com/go-gomail/gomail"
+	"gopkg.in/gomail.v2-unstable"
 )
 
-func ExampleSend() {
-	msg := gomail.NewMessage()
-	msg.SetHeader("From", "alex@example.com")
-	msg.SetHeader("To", "bob@example.com", "cora@example.com")
-	msg.SetAddressHeader("Cc", "dan@example.com", "Dan")
-	msg.SetHeader("Subject", "Hello!")
-	msg.SetBody("text/html", "Hello <b>Bob</b> and <i>Cora</i>!")
+func Example() {
+	m := gomail.NewMessage()
+	m.SetHeader("From", "alex@example.com")
+	m.SetHeader("To", "bob@example.com", "cora@example.com")
+	m.SetAddressHeader("Cc", "dan@example.com", "Dan")
+	m.SetHeader("Subject", "Hello!")
+	m.SetBody("text/html", "Hello <b>Bob</b> and <i>Cora</i>!")
+	m.Attach(gomail.NewFile("/home/Alex/lolcat.jpg"))
+
+	d := gomail.NewPlainDialer("smtp.example.com", "user", "123456", 587)
+
+	// Send the email to Bob, Cora and Dan
+	if err := d.DialAndSend(m); err != nil {
+		panic(err)
+	}
+}
+
+func Example_daemon() {
+	ch := make(chan *gomail.Message)
+
+	go func() {
+		d := gomail.NewPlainDialer("smtp.example.com", "user", "123456", 587)
+
+		var s gomail.SendCloser
+		var err error
+		open := false
+		for {
+			select {
+			case m, ok := <-ch:
+				if !ok {
+					return
+				}
+				if !open {
+					if s, err = d.Dial(); err != nil {
+						panic(err)
+					}
+					open = true
+				}
+				if err := gomail.Send(s, m); err != nil {
+					panic(err)
+				}
+			// Close the connection to the SMTP server if no email was sent in
+			// the last 30 seconds.
+			case <-time.After(30 * time.Second):
+				if open {
+					s.Close()
+					open = false
+				}
+			}
+		}
+	}()
+
+	// Use the channel in your program to send emails.
+
+	// Close the channel to stop the mail daemon.
+	close(ch)
+}
+
+func Example_noAuth() {
+	m := gomail.NewMessage()
+	m.SetHeader("From", "from@example.com")
+	m.SetHeader("To", "to@example.com")
+	m.SetHeader("Subject", "Hello!")
+	m.SetBody("text/plain", "Hello!")
+
+	d := gomail.Dialer{Host: "smtp.example.com", Port: 587}
+	if err := d.DialAndSend(m); err != nil {
+		panic(err)
+	}
+}
+
+func Example_send() {
+	m := gomail.NewMessage()
+	m.SetHeader("From", "from@example.com")
+	m.SetHeader("To", "to@example.com")
+	m.SetHeader("Subject", "Hello!")
+	m.SetBody("text/plain", "Hello!")
 
 	s := gomail.SendFunc(func(from string, to []string, msg io.WriterTo) error {
 		// Implements you email-sending function, for example by calling
 		// an API, or running postfix, etc.
 		fmt.Println("From:", from)
-		fmt.Println("To:", strings.Join(to, ", "))
+		fmt.Println("To:", to)
 		return nil
 	})
 
-	if err := gomail.Send(s, msg); err != nil {
+	if err := gomail.Send(s, m); err != nil {
 		panic(err)
 	}
 	// Output:
-	// From: alex@example.com
-	// To: bob@example.com, cora@example.com, dan@example.com
+	// From: from@example.com
+	// To: [to@example.com]
 }