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https://github.com/wneessen/go-mail.git
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Add Bcc-related unit tests to msg_test.go
Introduce comprehensive unit tests for Bcc functionalities, including validation of single and multiple addresses, various invalid input scenarios, and RFC5322 compliance checks. Additionally, implement tests for AddBcc, AddBccFormat, BccIgnoreInvalid, and BccFromString methods to ensure robust handling of different Bcc cases.
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1 changed files with 178 additions and 0 deletions
178
msg_test.go
178
msg_test.go
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@ -1314,6 +1314,184 @@ func TestMsg_CcFromString(t *testing.T) {
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})
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}
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func TestMsg_Bcc(t *testing.T) {
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t.Run("Bcc with valid address", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.Bcc("toni.tester@example.com"); err != nil {
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t.Fatalf("failed to set Bcc: %s", err)
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}
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checkAddrHeader(t, message, HeaderBcc, "Bcc", 0, 1, "toni.tester@example.com", "")
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})
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t.Run("Bcc with multiple valid addresses", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.Bcc("toni.tester@example.com", "tina.tester@example.com"); err != nil {
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t.Fatalf("failed to set Bcc: %s", err)
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}
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checkAddrHeader(t, message, HeaderBcc, "Bcc", 0, 2, "toni.tester@example.com", "")
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checkAddrHeader(t, message, HeaderBcc, "Bcc", 1, 2, "tina.tester@example.com", "")
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})
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t.Run("Bcc with invalid address", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.Bcc("invalid"); err == nil {
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t.Fatalf("Bcc should fail with invalid address")
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}
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})
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t.Run("Bcc with empty string should fail", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.Bcc(""); err == nil {
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t.Fatalf("Bcc should fail with invalid address")
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}
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})
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t.Run("Bcc with different RFC5322 addresses", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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for _, tt := range rfc5322Test {
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t.Run(tt.value, func(t *testing.T) {
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err := message.Bcc(tt.value)
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if err != nil && tt.valid {
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t.Errorf("Bcc on address %s should succeed, but failed with: %s", tt.value, err)
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}
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if err == nil && !tt.valid {
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t.Errorf("Bcc on address %s should fail, but succeeded", tt.value)
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}
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})
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}
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})
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}
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func TestMsg_AddBcc(t *testing.T) {
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t.Run("AddBcc with valid addresses", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.Bcc("toni.tester@example.com"); err != nil {
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t.Fatalf("failed to set Bcc: %s", err)
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}
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if err := message.AddBcc("tina.tester@example.com"); err != nil {
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t.Fatalf("failed to set additional Bcc: %s", err)
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}
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checkAddrHeader(t, message, HeaderBcc, "AddBcc", 0, 2, "toni.tester@example.com", "")
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checkAddrHeader(t, message, HeaderBcc, "AddBcc", 1, 2, "tina.tester@example.com", "")
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})
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t.Run("AddBcc with invalid address", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.Bcc("toni.tester@example.com"); err != nil {
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t.Fatalf("failed to set Bcc: %s", err)
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}
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if err := message.AddBcc("invalid"); err == nil {
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t.Errorf("AddBcc should fail with invalid address")
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}
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checkAddrHeader(t, message, HeaderBcc, "AddBcc", 0, 1, "toni.tester@example.com", "")
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})
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}
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func TestMsg_AddBccFormat(t *testing.T) {
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t.Run("AddBccFormat with valid addresses", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.Bcc("toni.tester@example.com"); err != nil {
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t.Fatalf("failed to set Bcc: %s", err)
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}
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if err := message.AddBccFormat("Tina Tester", "tina.tester@example.com"); err != nil {
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t.Fatalf("failed to set additional Bcc: %s", err)
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}
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checkAddrHeader(t, message, HeaderBcc, "AddBccFormat", 0, 2, "toni.tester@example.com", "")
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checkAddrHeader(t, message, HeaderBcc, "AddBccFormat", 1, 2, "tina.tester@example.com", "Tina Tester")
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})
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t.Run("AddBccFormat with invalid address", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.Bcc("toni.tester@example.com"); err != nil {
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t.Fatalf("failed to set Bcc: %s", err)
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}
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if err := message.AddBccFormat("Invalid", "invalid"); err == nil {
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t.Errorf("AddBccFormat should fail with invalid address")
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}
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checkAddrHeader(t, message, HeaderBcc, "AddBccFormat", 0, 1, "toni.tester@example.com", "")
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})
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}
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func TestMsg_BccIgnoreInvalid(t *testing.T) {
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t.Run("BccIgnoreInvalid with valid address", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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message.BccIgnoreInvalid("toni.tester@example.com")
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checkAddrHeader(t, message, HeaderBcc, "BccIgnoreInvalid", 0, 1, "toni.tester@example.com", "")
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})
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t.Run("BccIgnoreInvalid with invalid address", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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message.BccIgnoreInvalid("invalid")
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addresses, ok := message.addrHeader[HeaderBcc]
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if !ok {
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t.Fatalf("failed to set BccIgnoreInvalid, addrHeader field is not set")
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}
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if len(addresses) != 0 {
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t.Fatalf("failed to set BccIgnoreInvalid, addrHeader value count is: %d, want: 0", len(addresses))
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}
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})
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t.Run("BccIgnoreInvalid with valid and invalid addresses", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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message.BccIgnoreInvalid("toni.tester@example.com", "invalid", "tina.tester@example.com")
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checkAddrHeader(t, message, HeaderBcc, "BccIgnoreInvalid", 0, 2, "toni.tester@example.com", "")
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checkAddrHeader(t, message, HeaderBcc, "BccIgnoreInvalid", 1, 2, "tina.tester@example.com", "")
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})
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}
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func TestMsg_BccFromString(t *testing.T) {
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t.Run("BccFromString with valid addresses", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.BccFromString(`toni.tester@example.com,<tina.tester@example.com>`); err != nil {
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t.Fatalf("failed to set BccFromString: %s", err)
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}
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checkAddrHeader(t, message, HeaderBcc, "BccFromString", 0, 2, "toni.tester@example.com", "")
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checkAddrHeader(t, message, HeaderBcc, "BccFromString", 1, 2, "tina.tester@example.com", "")
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})
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t.Run("BccFromString with valid addresses and empty fields", func(t *testing.T) {
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message := NewMsg()
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if message == nil {
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t.Fatal("message is nil")
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}
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if err := message.BccFromString(`toni.tester@example.com ,,<tina.tester@example.com>`); err != nil {
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t.Fatalf("failed to set BccFromString: %s", err)
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}
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checkAddrHeader(t, message, HeaderBcc, "BccFromString", 0, 2, "toni.tester@example.com", "")
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checkAddrHeader(t, message, HeaderBcc, "BccFromString", 1, 2, "tina.tester@example.com", "")
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})
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}
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// checkAddrHeader validates a single email address in the AddrHeader of a message.
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func checkAddrHeader(t *testing.T, message *Msg, header AddrHeader, fn string, field, wantFields int,
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wantMail, wantName string,
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