go-mail/senderror_test.go

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// SPDX-FileCopyrightText: 2022-2023 The go-mail Authors
//
// SPDX-License-Identifier: MIT
package mail
import (
"errors"
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"fmt"
"strings"
"testing"
)
// TestSendError_Error tests the SendError and SendErrReason error handling methods
func TestSendError_Error(t *testing.T) {
tl := []struct {
n string
r SendErrReason
te bool
}{
{"ErrGetSender/temp", ErrGetSender, true},
{"ErrGetSender/perm", ErrGetSender, false},
{"ErrGetRcpts/temp", ErrGetRcpts, true},
{"ErrGetRcpts/perm", ErrGetRcpts, false},
{"ErrSMTPMailFrom/temp", ErrSMTPMailFrom, true},
{"ErrSMTPMailFrom/perm", ErrSMTPMailFrom, false},
{"ErrSMTPRcptTo/temp", ErrSMTPRcptTo, true},
{"ErrSMTPRcptTo/perm", ErrSMTPRcptTo, false},
{"ErrSMTPData/temp", ErrSMTPData, true},
{"ErrSMTPData/perm", ErrSMTPData, false},
{"ErrSMTPDataClose/temp", ErrSMTPDataClose, true},
{"ErrSMTPDataClose/perm", ErrSMTPDataClose, false},
{"ErrSMTPReset/temp", ErrSMTPReset, true},
{"ErrSMTPReset/perm", ErrSMTPReset, false},
{"ErrWriteContent/temp", ErrWriteContent, true},
{"ErrWriteContent/perm", ErrWriteContent, false},
{"ErrConnCheck/temp", ErrConnCheck, true},
{"ErrConnCheck/perm", ErrConnCheck, false},
{"ErrNoUnencoded/temp", ErrNoUnencoded, true},
{"ErrNoUnencoded/perm", ErrNoUnencoded, false},
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{"ErrAmbiguous/temp", ErrAmbiguous, true},
{"ErrAmbiguous/perm", ErrAmbiguous, false},
{"Unknown/temp", 9999, true},
{"Unknown/perm", 9999, false},
}
for _, tt := range tl {
t.Run(tt.n, func(t *testing.T) {
if err := returnSendError(tt.r, tt.te); err != nil {
exp := &SendError{Reason: tt.r, isTemp: tt.te}
if !errors.Is(err, exp) {
t.Errorf("error mismatch, expected: %s (temp: %t), got: %s (temp: %t)", tt.r, tt.te,
exp.Error(), exp.isTemp)
}
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if !strings.Contains(fmt.Sprintf("%s", err), tt.r.String()) {
t.Errorf("error string mismatch, expected: %s, got: %s",
tt.r.String(), fmt.Sprintf("%s", err))
}
}
})
}
}
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func TestSendError_IsTemp(t *testing.T) {
var se *SendError
err1 := returnSendError(ErrAmbiguous, true)
if !errors.As(err1, &se) {
t.Errorf("error mismatch, expected error to be of type *SendError")
return
}
if errors.As(err1, &se) && !se.IsTemp() {
t.Errorf("error mismatch, expected temporary error")
return
}
err2 := returnSendError(ErrAmbiguous, false)
if !errors.As(err2, &se) {
t.Errorf("error mismatch, expected error to be of type *SendError")
return
}
if errors.As(err2, &se) && se.IsTemp() {
t.Errorf("error mismatch, expected non-temporary error")
return
}
}
func TestSendError_IsTempNil(t *testing.T) {
var se *SendError
if se.IsTemp() {
t.Error("expected false on nil-senderror")
}
}
func TestSendError_MessageID(t *testing.T) {
var se *SendError
err := returnSendError(ErrAmbiguous, false)
if !errors.As(err, &se) {
t.Errorf("error mismatch, expected error to be of type *SendError")
return
}
if errors.As(err, &se) {
if se.MessageID() == "" {
t.Errorf("sendError expected message-id, but got empty string")
}
if !strings.EqualFold(se.MessageID(), "<this.is.a.message.id>") {
t.Errorf("sendError message-id expected: %s, but got: %s", "<this.is.a.message.id>",
se.MessageID())
}
}
}
func TestSendError_MessageIDNil(t *testing.T) {
var se *SendError
if se.MessageID() != "" {
t.Error("expected empty string on nil-senderror")
}
}
func TestSendError_Msg(t *testing.T) {
var se *SendError
err := returnSendError(ErrAmbiguous, false)
if !errors.As(err, &se) {
t.Errorf("error mismatch, expected error to be of type *SendError")
return
}
if errors.As(err, &se) {
if se.Msg() == nil {
t.Errorf("sendError expected msg pointer, but got nil")
}
from := se.Msg().GetFromString()
if len(from) == 0 {
t.Errorf("sendError expected msg from, but got empty string")
return
}
if !strings.EqualFold(from[0], "<toni.tester@domain.tld>") {
t.Errorf("sendError message from expected: %s, but got: %s", "<toni.tester@domain.tld>",
from[0])
}
}
}
func TestSendError_MsgNil(t *testing.T) {
var se *SendError
if se.Msg() != nil {
t.Error("expected nil on nil-senderror")
}
}
func TestSendError_IsFail(t *testing.T) {
err1 := returnSendError(ErrAmbiguous, false)
err2 := returnSendError(ErrSMTPMailFrom, false)
if errors.Is(err1, err2) {
t.Errorf("error mismatch, ErrAmbiguous should not be equal to ErrSMTPMailFrom")
}
}
func TestSendError_ErrorMulti(t *testing.T) {
expected := `ambiguous reason, check Msg.SendError for message specific reasons, ` +
`affected recipient(s): <email1@domain.tld>, <email2@domain.tld>`
err := &SendError{
Reason: ErrAmbiguous, isTemp: false, affectedMsg: nil,
rcpt: []string{"<email1@domain.tld>", "<email2@domain.tld>"},
}
if err.Error() != expected {
t.Errorf("error mismatch, expected: %s, got: %s", expected, err.Error())
}
}
// returnSendError is a helper method to retunr a SendError with a specific reason
func returnSendError(r SendErrReason, t bool) error {
message := NewMsg()
_ = message.From("toni.tester@domain.tld")
_ = message.To("tina.tester@domain.tld")
message.Subject("This is the subject")
message.SetBodyString(TypeTextPlain, "This is the message body")
message.SetMessageIDWithValue("this.is.a.message.id")
return &SendError{Reason: r, isTemp: t, affectedMsg: message}
}