Refactor address header validation in tests

Replace repeated address header validation code with a helper function `checkAddrHeader` to reduce redundancy and improve readability. Also, add new test cases for `ToFromString` to handle valid addresses with and without empty fields.
This commit is contained in:
Winni Neessen 2024-10-25 20:21:17 +02:00
parent c99b6c3f14
commit e08d36d0b8
Signed by: wneessen
GPG key ID: 385AC9889632126E

View file

@ -5,7 +5,6 @@
package mail
import (
"embed"
"fmt"
"reflect"
"strings"
@ -121,8 +120,10 @@ var (
}
)
/*
//go:embed README.md
var efs embed.FS
*/
func TestNewMsg(t *testing.T) {
t.Run("create new message", func(t *testing.T) {
@ -1379,35 +1380,10 @@ func TestMsg_AddTo(t *testing.T) {
if err := message.AddTo("tina.tester@example.com"); err != nil {
t.Fatalf("failed to set additional To: %s", err)
}
addresses, ok := message.addrHeader[HeaderTo]
if !ok {
t.Fatalf("failed to set To, addrHeader field is not set")
}
if len(addresses) != 2 {
t.Fatalf("failed to set additional To, addrHeader value count is: %d, want: 1", len(addresses))
}
if addresses[0].Address != "toni.tester@example.com" {
t.Errorf("failed to set To, addrHeader value is %s, want: %s", addresses[0].Address,
"toni.tester@example.com")
}
if addresses[0].String() != "<toni.tester@example.com>" {
t.Errorf("failed to set To, addrHeader value is %s, want: %s", addresses[0].String(),
"<toni.tester@example.com>")
}
if addresses[0].Name != "" {
t.Errorf("failed to set To, addrHeader name is %s, want: empty", addresses[0].Name)
}
if addresses[1].Address != "tina.tester@example.com" {
t.Errorf("failed to set additional To, addrHeader value is %s, want: %s", addresses[1].Address,
"tina.tester@example.com")
}
if addresses[1].String() != "<tina.tester@example.com>" {
t.Errorf("failed to set additional To, addrHeader value is %s, want: %s", addresses[1].String(),
"<tina.tester@example.com>")
}
if addresses[1].Name != "" {
t.Errorf("failed to set additional To, addrHeader name is %s, want: empty", addresses[1].Name)
}
checkAddrHeader(t, message, HeaderTo, "AddTo", 0, 2,
"toni.tester@example.com", "")
checkAddrHeader(t, message, HeaderTo, "AddTo", 1, 2,
"tina.tester@example.com", "")
})
t.Run("AddTo with invalid address", func(t *testing.T) {
message := NewMsg()
@ -1420,13 +1396,8 @@ func TestMsg_AddTo(t *testing.T) {
if err := message.AddTo("invalid"); err == nil {
t.Errorf("AddTo should fail with invalid address")
}
addresses, ok := message.addrHeader[HeaderTo]
if !ok {
t.Fatalf("failed to set To, addrHeader field is not set")
}
if len(addresses) != 1 {
t.Fatalf("failed to set To, addrHeader value count is: %d, want: 1", len(addresses))
}
checkAddrHeader(t, message, HeaderTo, "AddTo", 0, 1,
"toni.tester@example.com", "")
})
}
@ -1442,36 +1413,10 @@ func TestMsg_AddToFormat(t *testing.T) {
if err := message.AddToFormat("Tina Tester", "tina.tester@example.com"); err != nil {
t.Fatalf("failed to set additional To: %s", err)
}
addresses, ok := message.addrHeader[HeaderTo]
if !ok {
t.Fatalf("failed to set To, addrHeader field is not set")
}
if len(addresses) != 2 {
t.Fatalf("failed to set additional To, addrHeader value count is: %d, want: 1", len(addresses))
}
if addresses[0].Address != "toni.tester@example.com" {
t.Errorf("failed to set To, addrHeader value is %s, want: %s", addresses[0].Address,
"toni.tester@example.com")
}
if addresses[0].String() != "<toni.tester@example.com>" {
t.Errorf("failed to set To, addrHeader value is %s, want: %s", addresses[0].String(),
"<toni.tester@example.com>")
}
if addresses[0].Name != "" {
t.Errorf("failed to set To, addrHeader name is %s, want: empty", addresses[0].Name)
}
if addresses[1].Address != "tina.tester@example.com" {
t.Errorf("failed to set additional To, addrHeader value is %s, want: %s", addresses[1].Address,
"tina.tester@example.com")
}
if addresses[1].String() != `"Tina Tester" <tina.tester@example.com>` {
t.Errorf("failed to set additional To, addrHeader value is %s, want: %s", addresses[1].String(),
"<tina.tester@example.com>")
}
if addresses[1].Name != "Tina Tester" {
t.Errorf("failed to set additional To, addrHeader name is %s, want: %s", addresses[1].Name,
"Tina Tester")
}
checkAddrHeader(t, message, HeaderTo, "AddToFormat", 0, 2,
"toni.tester@example.com", "")
checkAddrHeader(t, message, HeaderTo, "AddToFormat", 1, 2,
"tina.tester@example.com", "Tina Tester")
})
t.Run("AddToFormat with invalid address", func(t *testing.T) {
message := NewMsg()
@ -1484,13 +1429,8 @@ func TestMsg_AddToFormat(t *testing.T) {
if err := message.AddToFormat("Invalid", "invalid"); err == nil {
t.Errorf("AddToFormat should fail with invalid address")
}
addresses, ok := message.addrHeader[HeaderTo]
if !ok {
t.Fatalf("failed to set To, addrHeader field is not set")
}
if len(addresses) != 1 {
t.Fatalf("failed to set To, addrHeader value count is: %d, want: 1", len(addresses))
}
checkAddrHeader(t, message, HeaderTo, "AddToFormat", 0, 1,
"toni.tester@example.com", "")
})
}
@ -1501,24 +1441,8 @@ func TestMsg_ToIgnoreInvalid(t *testing.T) {
t.Fatal("message is nil")
}
message.ToIgnoreInvalid("toni.tester@example.com")
addresses, ok := message.addrHeader[HeaderTo]
if !ok {
t.Fatalf("failed to set ToIgnoreInvalid, addrHeader field is not set")
}
if len(addresses) != 1 {
t.Fatalf("failed to set ToIgnoreInvalid, addrHeader value count is: %d, want: 1", len(addresses))
}
if addresses[0].Address != "toni.tester@example.com" {
t.Errorf("failed to set ToIgnoreInvalid, addrHeader value is %s, want: %s", addresses[0].Address,
"toni.tester@example.com")
}
if addresses[0].String() != "<toni.tester@example.com>" {
t.Errorf("failed to set ToIgnoreInvalid, addrHeader value is %s, want: %s", addresses[0].String(),
"<toni.tester@example.com>")
}
if addresses[0].Name != "" {
t.Errorf("failed to set ToIgnoreInvalid, addrHeader name is %s, want: empty", addresses[0].Name)
}
checkAddrHeader(t, message, HeaderTo, "ToIgnoreInvalid", 0, 1,
"toni.tester@example.com", "")
})
t.Run("ToIgnoreInvalid with invalid address", func(t *testing.T) {
message := NewMsg()
@ -1540,38 +1464,68 @@ func TestMsg_ToIgnoreInvalid(t *testing.T) {
t.Fatal("message is nil")
}
message.ToIgnoreInvalid("toni.tester@example.com", "invalid", "tina.tester@example.com")
addresses, ok := message.addrHeader[HeaderTo]
if !ok {
t.Fatalf("failed to set ToIgnoreInvalid, addrHeader field is not set")
}
if len(addresses) != 2 {
t.Fatalf("failed to set ToIgnoreInvalid, addrHeader value count is: %d, want: 2", len(addresses))
}
if addresses[0].Address != "toni.tester@example.com" {
t.Errorf("failed to set ToIgnoreInvalid, addrHeader value is %s, want: %s", addresses[0].Address,
"toni.tester@example.com")
}
if addresses[0].String() != "<toni.tester@example.com>" {
t.Errorf("failed to set ToIgnoreInvalid, addrHeader value is %s, want: %s", addresses[0].String(),
"<toni.tester@example.com>")
}
if addresses[0].Name != "" {
t.Errorf("failed to set ToIgnoreInvalid, addrHeader name is %s, want: empty", addresses[0].Name)
}
if addresses[1].Address != "tina.tester@example.com" {
t.Errorf("failed to set ToIgnoreInvalid, addrHeader value is %s, want: %s", addresses[1].Address,
"tina.tester@example.com")
}
if addresses[1].String() != "<tina.tester@example.com>" {
t.Errorf("failed to set ToIgnoreInvalid, addrHeader value is %s, want: %s", addresses[1].String(),
"<tina.tester@example.com>")
}
if addresses[1].Name != "" {
t.Errorf("failed to set ToIgnoreInvalid, addrHeader name is %s, want: empty", addresses[1].Name)
}
checkAddrHeader(t, message, HeaderTo, "ToIgnoreInvalid", 0, 2,
"toni.tester@example.com", "")
checkAddrHeader(t, message, HeaderTo, "ToIgnoreInvalid", 1, 2,
"tina.tester@example.com", "")
})
}
func TestMsg_ToFromString(t *testing.T) {
t.Run("ToFromString with valid addresses", func(t *testing.T) {
message := NewMsg()
if message == nil {
t.Fatal("message is nil")
}
if err := message.ToFromString(`toni.tester@example.com,<tina.tester@example.com>`); err != nil {
t.Fatalf("failed to set ToFromString: %s", err)
}
checkAddrHeader(t, message, HeaderTo, "ToFromString", 0, 2,
"toni.tester@example.com", "")
checkAddrHeader(t, message, HeaderTo, "ToFromString", 1, 2,
"tina.tester@example.com", "")
})
t.Run("ToFromString with valid addresses and empty fields", func(t *testing.T) {
message := NewMsg()
if message == nil {
t.Fatal("message is nil")
}
if err := message.ToFromString(`toni.tester@example.com ,,<tina.tester@example.com>`); err != nil {
t.Fatalf("failed to set ToFromString: %s", err)
}
checkAddrHeader(t, message, HeaderTo, "ToFromString", 0, 2,
"toni.tester@example.com", "")
checkAddrHeader(t, message, HeaderTo, "ToFromString", 1, 2,
"tina.tester@example.com", "")
})
}
// checkAddrHeader validates a single email address in the AddrHeader of a message.
func checkAddrHeader(t *testing.T, message *Msg, header AddrHeader, fn string, field, wantFields int,
wantMail, wantName string) {
t.Helper()
addresses, ok := message.addrHeader[header]
if !ok {
t.Fatalf("failed to set %s, addrHeader field is not set", fn)
}
if len(addresses) != wantFields {
t.Fatalf("failed to set %s, addrHeader value count is: %d, want: %d", fn, len(addresses), field)
}
if addresses[field].Address != wantMail {
t.Errorf("failed to set %s, addrHeader value is %s, want: %s", fn, addresses[field].Address, wantMail)
}
wantString := fmt.Sprintf(`<%s>`, wantMail)
if wantName != "" {
wantString = fmt.Sprintf(`%q <%s>`, wantName, wantMail)
}
if addresses[field].String() != wantString {
t.Errorf("failed to set %s, addrHeader value is %s, want: %s", fn, addresses[field].String(), wantString)
}
if addresses[field].Name != wantName {
t.Errorf("failed to set %s, addrHeader name is %s, want: %s", fn, addresses[field].Name, wantName)
}
}
/*
// TestNewMsgWithMiddleware tests WithMiddleware