mirror of
https://github.com/wneessen/go-mail.git
synced 2024-11-21 21:30:50 +01:00
Refactor senderror_test.go
for improved test clarity
Consolidated multiple duplicate test cases into grouped sub-tests with clear names. This enhances readability and maintainability, ensures proper test isolation, and removes redundant code.
This commit is contained in:
parent
25b7f81e3b
commit
e37dd39654
1 changed files with 176 additions and 130 deletions
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@ -6,163 +6,210 @@ package mail
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import (
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"errors"
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"fmt"
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"strings"
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"testing"
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)
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// TestSendError_Error tests the SendError and SendErrReason error handling methods
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func TestSendError_Error(t *testing.T) {
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tl := []struct {
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n string
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r SendErrReason
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te bool
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}{
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{"ErrGetSender/temp", ErrGetSender, true},
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{"ErrGetSender/perm", ErrGetSender, false},
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{"ErrGetRcpts/temp", ErrGetRcpts, true},
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{"ErrGetRcpts/perm", ErrGetRcpts, false},
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{"ErrSMTPMailFrom/temp", ErrSMTPMailFrom, true},
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{"ErrSMTPMailFrom/perm", ErrSMTPMailFrom, false},
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{"ErrSMTPRcptTo/temp", ErrSMTPRcptTo, true},
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{"ErrSMTPRcptTo/perm", ErrSMTPRcptTo, false},
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{"ErrSMTPData/temp", ErrSMTPData, true},
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{"ErrSMTPData/perm", ErrSMTPData, false},
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{"ErrSMTPDataClose/temp", ErrSMTPDataClose, true},
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{"ErrSMTPDataClose/perm", ErrSMTPDataClose, false},
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{"ErrSMTPReset/temp", ErrSMTPReset, true},
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{"ErrSMTPReset/perm", ErrSMTPReset, false},
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{"ErrWriteContent/temp", ErrWriteContent, true},
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{"ErrWriteContent/perm", ErrWriteContent, false},
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{"ErrConnCheck/temp", ErrConnCheck, true},
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{"ErrConnCheck/perm", ErrConnCheck, false},
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{"ErrNoUnencoded/temp", ErrNoUnencoded, true},
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{"ErrNoUnencoded/perm", ErrNoUnencoded, false},
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{"ErrAmbiguous/temp", ErrAmbiguous, true},
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{"ErrAmbiguous/perm", ErrAmbiguous, false},
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{"Unknown/temp", 9999, true},
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{"Unknown/perm", 9999, false},
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}
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for _, tt := range tl {
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t.Run(tt.n, func(t *testing.T) {
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if err := returnSendError(tt.r, tt.te); err != nil {
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exp := &SendError{Reason: tt.r, isTemp: tt.te}
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if !errors.Is(err, exp) {
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t.Errorf("error mismatch, expected: %s (temp: %t), got: %s (temp: %t)", tt.r, tt.te,
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exp.Error(), exp.isTemp)
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t.Run("TestSendError_Error with various reasons", func(t *testing.T) {
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tests := []struct {
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name string
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reason SendErrReason
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isTemp bool
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}{
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{"ErrGetSender/temp", ErrGetSender, true},
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{"ErrGetSender/perm", ErrGetSender, false},
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{"ErrGetRcpts/temp", ErrGetRcpts, true},
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{"ErrGetRcpts/perm", ErrGetRcpts, false},
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{"ErrSMTPMailFrom/temp", ErrSMTPMailFrom, true},
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{"ErrSMTPMailFrom/perm", ErrSMTPMailFrom, false},
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{"ErrSMTPRcptTo/temp", ErrSMTPRcptTo, true},
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{"ErrSMTPRcptTo/perm", ErrSMTPRcptTo, false},
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{"ErrSMTPData/temp", ErrSMTPData, true},
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{"ErrSMTPData/perm", ErrSMTPData, false},
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{"ErrSMTPDataClose/temp", ErrSMTPDataClose, true},
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{"ErrSMTPDataClose/perm", ErrSMTPDataClose, false},
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{"ErrSMTPReset/temp", ErrSMTPReset, true},
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{"ErrSMTPReset/perm", ErrSMTPReset, false},
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{"ErrWriteContent/temp", ErrWriteContent, true},
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{"ErrWriteContent/perm", ErrWriteContent, false},
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{"ErrConnCheck/temp", ErrConnCheck, true},
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{"ErrConnCheck/perm", ErrConnCheck, false},
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{"ErrNoUnencoded/temp", ErrNoUnencoded, true},
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{"ErrNoUnencoded/perm", ErrNoUnencoded, false},
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{"ErrAmbiguous/temp", ErrAmbiguous, true},
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{"ErrAmbiguous/perm", ErrAmbiguous, false},
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{"Unknown/temp", 9999, true},
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{"Unknown/perm", 9999, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := returnSendError(tt.reason, tt.isTemp)
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if err == nil {
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t.Fatalf("error expected, got nil")
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}
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if !strings.Contains(fmt.Sprintf("%s", err), tt.r.String()) {
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want := &SendError{Reason: tt.reason, isTemp: tt.isTemp}
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if !errors.Is(err, want) {
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t.Errorf("error mismatch, expected: %s (temp: %t), got: %s (temp: %t)",
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tt.reason, tt.isTemp, want.Error(), want.isTemp)
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}
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if !strings.Contains(err.Error(), tt.reason.String()) {
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t.Errorf("error string mismatch, expected: %s, got: %s",
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tt.r.String(), fmt.Sprintf("%s", err))
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tt.reason.String(), err.Error())
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}
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}
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})
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}
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})
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}
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})
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t.Run("TestSendError_Error with multiple errors", func(t *testing.T) {
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message := testMessage(t)
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err := &SendError{
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affectedMsg: message,
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errlist: []error{ErrNoRcptAddresses, ErrNoFromAddress},
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rcpt: []string{"<toni.tester@domain.tld>", "<tina.tester@domain.tld>"},
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Reason: ErrAmbiguous,
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}
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if !strings.Contains(err.Error(), "ambiguous reason, check Msg.SendError for message specific reasons") {
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t.Errorf("error string mismatch, expected: ambiguous reason, check Msg.SendError for message "+
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"specific reasons, got: %s", err.Error())
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}
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if !strings.Contains(err.Error(), "no recipient addresses set, no FROM address set") {
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t.Errorf("error string mismatch, expected: no recipient addresses set, no FROM address set, got: %s",
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err.Error())
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}
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if !strings.Contains(err.Error(), "affected recipient(s): <toni.tester@domain.tld>, "+
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"<tina.tester@domain.tld>") {
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t.Errorf("error string mismatch, expected: affected recipient(s): <toni.tester@domain.tld>, "+
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"<tina.tester@domain.tld>, got: %s", err.Error())
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}
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})
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}
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func TestSendError_Is(t *testing.T) {
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t.Run("TestSendError_Is errors match", func(t *testing.T) {
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err1 := returnSendError(ErrAmbiguous, false)
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err2 := returnSendError(ErrAmbiguous, false)
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if !errors.Is(err1, err2) {
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t.Error("error mismatch, expected ErrAmbiguous to be equal to ErrAmbiguous")
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}
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})
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t.Run("TestSendError_Is errors mismatch", func(t *testing.T) {
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err1 := returnSendError(ErrAmbiguous, false)
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err2 := returnSendError(ErrSMTPMailFrom, false)
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if errors.Is(err1, err2) {
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t.Error("error mismatch, ErrAmbiguous should not be equal to ErrSMTPMailFrom")
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}
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})
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t.Run("TestSendError_Is on nil", func(t *testing.T) {
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var err *SendError
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if err.Is(ErrNoFromAddress) {
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t.Error("expected false on nil-senderror")
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}
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})
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}
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func TestSendError_IsTemp(t *testing.T) {
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var se *SendError
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err1 := returnSendError(ErrAmbiguous, true)
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if !errors.As(err1, &se) {
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t.Errorf("error mismatch, expected error to be of type *SendError")
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return
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}
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if errors.As(err1, &se) && !se.IsTemp() {
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t.Errorf("error mismatch, expected temporary error")
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return
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}
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err2 := returnSendError(ErrAmbiguous, false)
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if !errors.As(err2, &se) {
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t.Errorf("error mismatch, expected error to be of type *SendError")
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return
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}
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if errors.As(err2, &se) && se.IsTemp() {
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t.Errorf("error mismatch, expected non-temporary error")
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return
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}
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}
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func TestSendError_IsTempNil(t *testing.T) {
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var se *SendError
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if se.IsTemp() {
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t.Error("expected false on nil-senderror")
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}
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t.Run("TestSendError_IsTemp is true", func(t *testing.T) {
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err := returnSendError(ErrAmbiguous, true)
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if err == nil {
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t.Fatalf("error expected, got nil")
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}
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var sendErr *SendError
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if !errors.As(err, &sendErr) {
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t.Fatal("error expected to be of type *SendError")
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}
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if !sendErr.IsTemp() {
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t.Errorf("expected temporary error, got: temperr: %t", sendErr.IsTemp())
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}
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})
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t.Run("TestSendError_IsTemp is false", func(t *testing.T) {
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err := returnSendError(ErrAmbiguous, false)
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if err == nil {
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t.Fatalf("error expected, got nil")
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}
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var sendErr *SendError
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if !errors.As(err, &sendErr) {
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t.Fatal("error expected to be of type *SendError")
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}
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if sendErr.IsTemp() {
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t.Errorf("expected permanent error, got: temperr: %t", sendErr.IsTemp())
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}
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})
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t.Run("TestSendError_IsTemp is nil", func(t *testing.T) {
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var se *SendError
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if se.IsTemp() {
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t.Error("expected false on nil-senderror")
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}
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})
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}
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func TestSendError_MessageID(t *testing.T) {
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var se *SendError
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err := returnSendError(ErrAmbiguous, false)
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if !errors.As(err, &se) {
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t.Errorf("error mismatch, expected error to be of type *SendError")
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return
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}
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if errors.As(err, &se) {
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if se.MessageID() == "" {
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t.Errorf("sendError expected message-id, but got empty string")
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t.Run("TestSendError_MessageID message ID is set", func(t *testing.T) {
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var sendErr *SendError
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err := returnSendError(ErrAmbiguous, false)
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if !errors.As(err, &sendErr) {
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t.Fatal("error mismatch, expected error to be of type *SendError")
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}
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if !strings.EqualFold(se.MessageID(), "<this.is.a.message.id>") {
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if sendErr.MessageID() == "" {
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t.Error("sendError expected message-id, but got empty string")
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}
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if !strings.EqualFold(sendErr.MessageID(), "<this.is.a.message.id>") {
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t.Errorf("sendError message-id expected: %s, but got: %s", "<this.is.a.message.id>",
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se.MessageID())
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sendErr.MessageID())
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}
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}
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}
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func TestSendError_MessageIDNil(t *testing.T) {
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var se *SendError
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if se.MessageID() != "" {
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t.Error("expected empty string on nil-senderror")
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}
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})
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t.Run("TestSendError_MessageID message ID is not set", func(t *testing.T) {
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var sendErr *SendError
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message := testMessage(t)
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err := &SendError{
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affectedMsg: message,
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errlist: []error{ErrNoRcptAddresses},
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rcpt: []string{"<toni.tester@domain.tld>", "<tina.tester@domain.tld>"},
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Reason: ErrAmbiguous,
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}
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if !errors.As(err, &sendErr) {
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t.Fatal("error mismatch, expected error to be of type *SendError")
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}
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if sendErr.MessageID() != "" {
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t.Errorf("sendError expected empty message-id, got: %s", sendErr.MessageID())
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}
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})
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}
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func TestSendError_Msg(t *testing.T) {
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var se *SendError
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err := returnSendError(ErrAmbiguous, false)
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if !errors.As(err, &se) {
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t.Errorf("error mismatch, expected error to be of type *SendError")
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return
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}
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if errors.As(err, &se) {
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if se.Msg() == nil {
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t.Errorf("sendError expected msg pointer, but got nil")
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t.Run("TestSendError_Msg message is set", func(t *testing.T) {
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var sendErr *SendError
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err := returnSendError(ErrAmbiguous, false)
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if !errors.As(err, &sendErr) {
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t.Fatal("error mismatch, expected error to be of type *SendError")
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}
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from := se.Msg().GetFromString()
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msg := sendErr.Msg()
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if msg == nil {
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t.Fatalf("sendError expected msg pointer, but got nil")
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}
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from := msg.GetFromString()
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if len(from) == 0 {
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t.Errorf("sendError expected msg from, but got empty string")
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return
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t.Fatal("sendError expected msg from, but got empty string")
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}
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if !strings.EqualFold(from[0], "<toni.tester@domain.tld>") {
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t.Errorf("sendError message from expected: %s, but got: %s", "<toni.tester@domain.tld>",
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from[0])
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}
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}
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}
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func TestSendError_MsgNil(t *testing.T) {
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var se *SendError
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if se.Msg() != nil {
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t.Error("expected nil on nil-senderror")
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}
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}
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func TestSendError_IsFail(t *testing.T) {
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err1 := returnSendError(ErrAmbiguous, false)
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err2 := returnSendError(ErrSMTPMailFrom, false)
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if errors.Is(err1, err2) {
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t.Errorf("error mismatch, ErrAmbiguous should not be equal to ErrSMTPMailFrom")
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}
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}
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func TestSendError_ErrorMulti(t *testing.T) {
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expected := `ambiguous reason, check Msg.SendError for message specific reasons, ` +
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`affected recipient(s): <email1@domain.tld>, <email2@domain.tld>`
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err := &SendError{
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Reason: ErrAmbiguous, isTemp: false, affectedMsg: nil,
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rcpt: []string{"<email1@domain.tld>", "<email2@domain.tld>"},
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}
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if err.Error() != expected {
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t.Errorf("error mismatch, expected: %s, got: %s", expected, err.Error())
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}
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})
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t.Run("TestSendError_Msg message is not set", func(t *testing.T) {
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var sendErr *SendError
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err := &SendError{
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errlist: []error{ErrNoRcptAddresses},
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rcpt: []string{"<toni.tester@domain.tld>", "<tina.tester@domain.tld>"},
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Reason: ErrAmbiguous,
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}
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if !errors.As(err, &sendErr) {
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t.Fatal("error mismatch, expected error to be of type *SendError")
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}
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if sendErr.Msg() != nil {
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t.Errorf("sendError expected nil msg pointer, got: %v", sendErr.Msg())
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}
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})
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}
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// returnSendError is a helper method to retunr a SendError with a specific reason
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@ -173,6 +220,5 @@ func returnSendError(r SendErrReason, t bool) error {
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message.Subject("This is the subject")
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message.SetBodyString(TypeTextPlain, "This is the message body")
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message.SetMessageIDWithValue("this.is.a.message.id")
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return &SendError{Reason: r, isTemp: t, affectedMsg: message}
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}
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