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integration_test.go
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integration_test.go
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package mailyak
import (
"bytes"
"crypto/md5"
"crypto/rand"
"crypto/tls"
"encoding/hex"
"net/smtp"
"os"
"reflect"
"strings"
"testing"
)
func tlsEndpoint(t *testing.T) string {
s := os.Getenv("MAILYAK_TLS_ENDPOINT")
if s == "" {
t.Log("set MAILYAK_TLS_ENDPOINT to run TLS integration tests")
t.SkipNow()
}
return s
}
func plaintextEndpoint(t *testing.T) string {
s := os.Getenv("MAILYAK_PLAINTEXT_ENDPOINT")
if s == "" {
t.Log("set MAILYAK_PLAINTEXT_ENDPOINT to run plain-text integration tests")
t.SkipNow()
}
return s
}
func TestIntegration_TLS(t *testing.T) {
t.Parallel()
tests := []struct {
name string
auth smtp.Auth
fn func(m *MailYak)
wantErr error
}{
{
name: "ok",
fn: func(m *MailYak) {
m.From("from@example.org")
m.FromName("From Example")
m.To("to@example.org")
m.Bcc("bcc1@example.org", "bcc2@example.org")
m.Subject("TLS test")
m.ReplyTo("replies@example.org")
m.HTML().Set("HTML part: this is just a test.")
m.Plain().Set("Plain text part: this is also just a test.")
m.Attach("test.html", strings.NewReader("<html><head></head></html>"))
m.Attach("test2.html", strings.NewReader("<html><head></head></html>"))
m.AddHeader("Precedence", "bulk")
},
wantErr: nil,
},
{
name: "empty",
fn: func(m *MailYak) {
m.From("from@example.org")
m.FromName("From Example")
m.To("dom@eitsallbroken.com")
m.Bcc("bcc1@example.org", "bcc2@example.org")
m.Subject("TLS empty")
m.ReplyTo("replies@example.org")
},
wantErr: nil,
},
{
name: "authenticated",
auth: smtp.PlainAuth("ident", "user", "pass", "127.0.0.1"),
fn: func(m *MailYak) {
m.From("from@example.org")
m.FromName("From Example")
m.To("to@example.org")
m.Bcc("bcc1@example.org", "bcc2@example.org")
m.Subject("TLS test")
m.ReplyTo("replies@example.org")
m.HTML().Set("HTML part: this is just a test.")
m.Plain().Set("Plain text part: this is also just a test.")
m.Attach("test.html", strings.NewReader("<html><head></head></html>"))
m.Attach("test2.html", strings.NewReader("<html><head></head></html>"))
m.AddHeader("Precedence", "bulk")
},
wantErr: nil,
},
{
name: "binary attachment",
fn: func(m *MailYak) {
data := make([]byte, 1024*5)
_, _ = rand.Read(data)
hash := md5.Sum(data)
hashString := hex.EncodeToString(hash[:])
m.From("dom@itsallbroken.com")
m.FromName("Dom")
m.To("to@example.org")
m.Subject("TLS Attachment test")
m.ReplyTo("replies@example.org")
m.HTML().Set("Attachment MD5: " + hashString)
m.Attach("test.bin", bytes.NewReader(data))
},
wantErr: nil,
},
}
for _, tt := range tests {
var tt = tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
// Initialise a TLS mailyak instance with terrible security.
mail, err := NewWithTLS(tlsEndpoint(t), tt.auth, &tls.Config{
// Please, never do this outside of a test.
InsecureSkipVerify: true,
ServerName: "127.0.0.1",
})
if err != nil {
t.Fatal(err)
}
// Apply some mutations to the email
tt.fn(mail)
// Send the email
err = mail.Send()
if !reflect.DeepEqual(err, tt.wantErr) {
t.Errorf("got %v, want %v", err, tt.wantErr)
}
})
}
}
func TestIntegration_PlainText(t *testing.T) {
t.Parallel()
tests := []struct {
name string
auth smtp.Auth
fn func(m *MailYak)
wantErr error
}{
{
name: "ok",
fn: func(m *MailYak) {
m.From("from@example.org")
m.FromName("From Example")
m.To("to@example.org")
m.Bcc("bcc1@example.org", "bcc2@example.org")
m.Subject("PLAIN - Test subject")
m.ReplyTo("replies@example.org")
m.HTML().Set("HTML part: this is just a test.")
m.Plain().Set("Plain text part: this is also just a test.")
m.Attach("test.html", strings.NewReader("<html><head></head></html>"))
m.Attach("test2.html", strings.NewReader("<html><head></head></html>"))
m.AddHeader("Precedence", "bulk")
},
wantErr: nil,
},
{
name: "empty",
fn: func(m *MailYak) {
m.From("from@example.org")
m.FromName("From Example")
m.To("dom@eitsallbroken.com")
m.Bcc("bcc1@example.org", "bcc2@example.org")
m.Subject("Plaintext empty")
m.ReplyTo("replies@example.org")
},
wantErr: nil,
},
{
name: "authenticated",
auth: smtp.PlainAuth("ident", "user", "pass", "127.0.0.1"),
fn: func(m *MailYak) {
m.From("from@example.org")
m.FromName("From Example")
m.To("to@example.org")
m.Bcc("bcc1@example.org", "bcc2@example.org")
m.Subject("PLAIN - TLS test")
m.ReplyTo("replies@example.org")
m.HTML().Set("HTML part: this is just a test.")
m.Plain().Set("Plain text part: this is also just a test.")
m.Attach("test.html", strings.NewReader("<html><head></head></html>"))
m.Attach("test2.html", strings.NewReader("<html><head></head></html>"))
m.AddHeader("Precedence", "bulk")
},
wantErr: nil,
},
{
name: "binary attachment",
fn: func(m *MailYak) {
data := make([]byte, 1024*5)
_, _ = rand.Read(data)
hash := md5.Sum(data)
hashString := hex.EncodeToString(hash[:])
m.From("dom@itsallbroken.com")
m.FromName("Dom")
m.To("to@example.org")
m.Subject("PLAIN - Attachment test")
m.ReplyTo("replies@example.org")
m.HTML().Set("Attachment MD5: " + hashString)
m.Attach("test.bin", bytes.NewReader(data))
},
wantErr: nil,
},
}
for _, tt := range tests {
var tt = tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
mail := New(plaintextEndpoint(t), tt.auth)
// Apply some mutations to the email
tt.fn(mail)
// Send the email
err := mail.Send()
if !reflect.DeepEqual(err, tt.wantErr) {
t.Errorf("got %v, want %v", err, tt.wantErr)
}
})
}
}