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Add client cleanup to SMTP tests and new TestClient_Rcpt

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Update SMTP tests to use t.Cleanup for client cleanup to ensure proper resource release. Introduce a new test, TestClient_Rcpt, to verify recipient address handling under various conditions.
This commit is contained in:
Winni Neessen 2024-11-10 14:31:18 +01:00
parent 0d8d097ae1
commit d446b491e2
Signed by: wneessen
GPG key ID: 385AC9889632126E
1 changed files with 145 additions and 7 deletions
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152
smtp/smtp_test.go
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@ -2142,8 +2142,13 @@ func TestClient_Mail(t *testing.T) {
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Errorf("failed to dial to test server: %s", err)
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
if err = client.Mail("valid-from@domain.tld"); err != nil {
t.Errorf("failed to set mail from address: %s", err)
}
@ -2168,8 +2173,13 @@ func TestClient_Mail(t *testing.T) {
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Errorf("failed to dial to test server: %s", err)
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
if err = client.Mail("valid-from@domain.tld\r\n"); err == nil {
t.Error("mail from address with new lines should fail")
}
@ -2196,8 +2206,13 @@ func TestClient_Mail(t *testing.T) {
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Errorf("failed to dial to test server: %s", err)
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
if err = client.Mail("valid-from@domain.tld"); err == nil {
t.Error("mail from address should fail on EHLO/HELO")
}
@ -2223,8 +2238,13 @@ func TestClient_Mail(t *testing.T) {
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Errorf("failed to dial to test server: %s", err)
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
if err = client.Mail("valid-from@domain.tld"); err == nil {
t.Error("server should echo the command as error but didn't")
}
@ -2255,8 +2275,13 @@ func TestClient_Mail(t *testing.T) {
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Errorf("failed to dial to test server: %s", err)
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
if err = client.Mail("valid-from@domain.tld"); err == nil {
t.Error("server should echo the command as error but didn't")
}
@ -2287,8 +2312,13 @@ func TestClient_Mail(t *testing.T) {
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Errorf("failed to dial to test server: %s", err)
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
client.dsnmrtype = "FULL"
if err = client.Mail("valid-from@domain.tld"); err == nil {
t.Error("server should echo the command as error but didn't")
@ -2320,8 +2350,13 @@ func TestClient_Mail(t *testing.T) {
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Errorf("failed to dial to test server: %s", err)
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
client.dsnmrtype = "FULL"
if err = client.Mail("valid-from@domain.tld"); err == nil {
t.Error("server should echo the command as error but didn't")
@ -2334,6 +2369,109 @@ func TestClient_Mail(t *testing.T) {
})
}
func TestClient_Rcpt(t *testing.T) {
t.Run("normal recipient address succeeds", func(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
PortAdder.Add(1)
serverPort := int(TestServerPortBase + PortAdder.Load())
featureSet := "250-DSN\r\n250-8BITMIME\r\n250-SMTPUTF8\r\n250 STARTTLS"
go func() {
if err := simpleSMTPServer(ctx, t, &serverProps{
FeatureSet: featureSet,
ListenPort: serverPort,
},
); err != nil {
t.Errorf("failed to start test server: %s", err)
return
}
}()
time.Sleep(time.Millisecond * 30)
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
if err = client.Rcpt("valid-to@domain.tld"); err != nil {
t.Errorf("failed to set recipient address: %s", err)
}
})
t.Run("recipient address with newlines fails", func(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
PortAdder.Add(1)
serverPort := int(TestServerPortBase + PortAdder.Load())
featureSet := "250 STARTTLS"
go func() {
if err := simpleSMTPServer(ctx, t, &serverProps{
FeatureSet: featureSet,
ListenPort: serverPort,
},
); err != nil {
t.Errorf("failed to start test server: %s", err)
return
}
}()
time.Sleep(time.Millisecond * 30)
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
if err = client.Rcpt("valid-to@domain.tld\r\n"); err == nil {
t.Error("recpient address with newlines should fail")
}
})
t.Run("recipient address with DSN", func(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
PortAdder.Add(1)
serverPort := int(TestServerPortBase + PortAdder.Load())
featureSet := "250-DSN\r\n250 STARTTLS"
go func() {
if err := simpleSMTPServer(ctx, t, &serverProps{
EchoCommandAsError: "RCPT TO:",
FeatureSet: featureSet,
ListenPort: serverPort,
},
); err != nil {
t.Errorf("failed to start test server: %s", err)
return
}
}()
time.Sleep(time.Millisecond * 30)
client, err := Dial(fmt.Sprintf("%s:%d", TestServerAddr, serverPort))
if err != nil {
t.Fatalf("failed to dial to test server: %s", err)
}
t.Cleanup(func() {
if err = client.Close(); err != nil {
t.Errorf("failed to close client: %s", err)
}
})
if err = client.Hello(TestServerAddr); err != nil {
t.Fatalf("failed to send hello to test server: %s", err)
}
client.dsnrntype = "SUCCESS"
if err = client.Rcpt("valid-to@domain.tld"); err == nil {
t.Error("recpient address with newlines should fail")
}
sent := strings.Replace(err.Error(), "500 ", "", -1)
expected := "RCPT TO:<valid-to@domain.tld> NOTIFY=SUCCESS"
if !strings.EqualFold(sent, expected) {
t.Errorf("expected rcpt to command to be %q, but sent %q", expected, sent)
}
})
}
/*
func TestBasic(t *testing.T) {
server := strings.Join(strings.Split(basicServer, "\n"), "\r\n")