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Reduce message loop iterations and add XOAUTH2 tests

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Loop iterations in `client_test.go` were reduced from 50 to 20 for efficiency. Added new tests to verify XOAUTH2 authentication support and error handling by simulating SMTP server responses.
This commit is contained in:
Winni Neessen 2024-09-27 17:00:21 +02:00
parent 8791ce5a33
commit 6e98d7e47d
Signed by: wneessen
GPG key ID: 385AC9889632126E
1 changed files with 75 additions and 2 deletions
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77
client_test.go
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@ -1799,7 +1799,7 @@ func TestClient_DialSendConcurrent_local(t *testing.T) {
}
var messages []*Msg
for i := 0; i < 50; i++ {
for i := 0; i < 20; i++ {
message := NewMsg()
if err := message.From("valid-from@domain.tld"); err != nil {
t.Errorf("failed to set FROM address: %s", err)
@ -2021,6 +2021,72 @@ func getTestConnectionWithDSN(auth bool) (*Client, error) {
}
func TestXOAuth2OK(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
serverPort := TestServerPortBase + 30
featureSet := "250-AUTH XOAUTH2\r\n250-8BITMIME\r\n250-DSN\r\n250 SMTPUTF8"
go func() {
if err := simpleSMTPServer(ctx, featureSet, false, serverPort); err != nil {
t.Errorf("failed to start test server: %s", err)
return
}
}()
time.Sleep(time.Millisecond * 500)
c, err := NewClient("127.0.0.1",
WithPort(serverPort),
WithTLSPortPolicy(TLSOpportunistic),
WithSMTPAuth(SMTPAuthXOAUTH2),
WithUsername("user"),
WithPassword("token"))
if err != nil {
t.Fatalf("unable to create new client: %v", err)
}
if err = c.DialWithContext(context.Background()); err != nil {
t.Fatalf("unexpected dial error: %v", err)
}
if err = c.Close(); err != nil {
t.Fatalf("disconnect from test server failed: %v", err)
}
}
func TestXOAuth2Unsupported(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
serverPort := TestServerPortBase + 31
featureSet := "250-AUTH LOGIN PLAIN\r\n250-8BITMIME\r\n250-DSN\r\n250 SMTPUTF8"
go func() {
if err := simpleSMTPServer(ctx, featureSet, false, serverPort); err != nil {
t.Errorf("failed to start test server: %s", err)
return
}
}()
time.Sleep(time.Millisecond * 500)
c, err := NewClient("127.0.0.1",
WithPort(serverPort),
WithTLSPolicy(TLSOpportunistic),
WithSMTPAuth(SMTPAuthXOAUTH2),
WithUsername("user"),
WithPassword("token"))
if err != nil {
t.Fatalf("unable to create new client: %v", err)
}
if err = c.DialWithContext(context.Background()); err == nil {
t.Fatal("expected dial error got nil")
} else {
if !errors.Is(err, ErrXOauth2AuthNotSupported) {
t.Fatalf("expected %v; got %v", ErrXOauth2AuthNotSupported, err)
}
}
if err = c.Close(); err != nil {
t.Fatalf("disconnect from test server failed: %v", err)
}
}
func TestXOAuth2OK_faker(t *testing.T) {
server := []string{
"220 Fake server ready ESMTP",
"250-fake.server",
@ -2060,7 +2126,7 @@ func TestXOAuth2OK(t *testing.T) {
}
}
func TestXOAuth2Unsupported(t *testing.T) {
func TestXOAuth2Unsupported_faker(t *testing.T) {
server := []string{
"220 Fake server ready ESMTP",
"250-fake.server",
@ -2231,6 +2297,13 @@ func handleTestServerConnection(connection net.Conn, featureSet string, failRese
break
}
writeOK()
case strings.HasPrefix(data, "AUTH XOAUTH2"):
auth := strings.TrimPrefix(data, "AUTH XOAUTH2 ")
if !strings.EqualFold(auth, "dXNlcj11c2VyAWF1dGg9QmVhcmVyIHRva2VuAQE=") {
_ = writeLine("535 5.7.8 Error: authentication failed")
break
}
_ = writeLine("235 2.7.0 Authentication successful")
case strings.HasPrefix(data, "AUTH PLAIN"):
auth := strings.TrimPrefix(data, "AUTH PLAIN ")
if !strings.EqualFold(auth, "AHRvbmlAdGVzdGVyLmNvbQBWM3J5UzNjcjN0Kw==") {