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c9f8a2acdd
...
c28bd7e331
6 changed files with 856 additions and 1081 deletions
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@ -30,6 +30,8 @@ import (
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const (
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// DefaultHost is used as default hostname for the Client
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DefaultHost = "127.0.0.1"
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// TestRcpt is a trash mail address to send test mails to
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TestRcpt = "couttifaddebro-1473@yopmail.com"
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// TestServerProto is the protocol used for the simple SMTP test server
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TestServerProto = "tcp"
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// TestServerAddr is the address the simple SMTP test server listens on
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@ -3526,9 +3528,9 @@ func parseJSONLog(t *testing.T, buf *bytes.Buffer) logData {
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}
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// testMessage configures and returns a new email message for testing, initializing it with valid sender and recipient.
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func testMessage(t *testing.T, opts ...MsgOption) *Msg {
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func testMessage(t *testing.T) *Msg {
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t.Helper()
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message := NewMsg(opts...)
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message := NewMsg()
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if message == nil {
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t.Fatal("failed to create new message")
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}
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1104
msg_test.go
1104
msg_test.go
File diff suppressed because it is too large
Load diff
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@ -120,27 +120,28 @@ func TestMsg_WriteToFile_unixOnly(t *testing.T) {
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})
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}
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func TestMsg_WriteToTempFile_unixOnly(t *testing.T) {
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if os.Getenv("PERFORM_UNIX_OPEN_WRITE_TESTS") != "true" {
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t.Skipf("PERFORM_UNIX_OPEN_WRITE_TESTS variable is not set. Skipping unix open/write tests")
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/*
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func TestMsg_WriteToTempFileFailed(t *testing.T) {
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m := NewMsg()
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_ = m.From("Toni Tester <tester@example.com>")
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_ = m.To("Ellenor Tester <ellinor@example.com>")
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m.SetBodyString(TypeTextPlain, "This is a test")
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curTmpDir := os.Getenv("TMPDIR")
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defer func() {
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if err := os.Setenv("TMPDIR", curTmpDir); err != nil {
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t.Errorf("failed to set TMPDIR environment variable: %s", err)
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}
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}()
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if err := os.Setenv("TMPDIR", "/invalid/directory/that/does/not/exist"); err != nil {
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t.Errorf("failed to set TMPDIR environment variable: %s", err)
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}
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_, err := m.WriteToTempFile()
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if err == nil {
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t.Errorf("WriteToTempFile() did not fail as expected")
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}
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t.Run("WriteToTempFile fails on invalid TMPDIR", func(t *testing.T) {
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// We store the current TMPDIR variable so we can set it back when the test is over
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curTmpDir := os.Getenv("TMPDIR")
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t.Cleanup(func() {
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if err := os.Setenv("TMPDIR", curTmpDir); err != nil {
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t.Errorf("failed to set TMPDIR environment variable: %s", err)
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}
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})
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if err := os.Setenv("TMPDIR", "/invalid/directory/that/does/not/exist"); err != nil {
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t.Fatalf("failed to set TMPDIR environment variable: %s", err)
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}
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message := testMessage(t)
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_, err := message.WriteToTempFile()
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if err == nil {
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t.Errorf("expected writing to invalid TMPDIR to fail, got: %s", err)
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}
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})
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}
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*/
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@ -6,673 +6,151 @@ package mail
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"mime"
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"runtime"
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"strings"
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"testing"
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"time"
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)
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// brokenWriter implements a broken writer for io.Writer testing
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type brokenWriter struct {
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io.Writer
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}
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// Write implements the io.Writer interface but intentionally returns an error at
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// any time
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func (bw *brokenWriter) Write([]byte) (int, error) {
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return 0, fmt.Errorf("intentionally failed")
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}
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// TestMsgWriter_Write tests the WriteTo() method of the msgWriter
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func TestMsgWriter_Write(t *testing.T) {
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t.Run("msgWriter writes to memory for all charsets", func(t *testing.T) {
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for _, tt := range charsetTests {
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t.Run(tt.name, func(t *testing.T) {
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buffer := bytes.NewBuffer(nil)
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msgwriter := &msgWriter{
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writer: buffer,
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charset: tt.value,
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encoder: mime.QEncoding,
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}
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_, err := msgwriter.Write([]byte("test"))
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if err != nil {
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t.Errorf("msgWriter failed to write: %s", err)
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}
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})
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}
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})
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t.Run("msgWriter writes to memory for all encodings", func(t *testing.T) {
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for _, tt := range encodingTests {
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t.Run(tt.name, func(t *testing.T) {
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buffer := bytes.NewBuffer(nil)
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msgwriter := &msgWriter{
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writer: buffer,
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charset: CharsetUTF8,
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encoder: getEncoder(tt.value),
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}
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_, err := msgwriter.Write([]byte("test"))
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if err != nil {
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t.Errorf("msgWriter failed to write: %s", err)
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}
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})
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}
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})
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t.Run("msgWriter should fail on write", func(t *testing.T) {
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msgwriter := &msgWriter{
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writer: failReadWriteSeekCloser{},
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charset: CharsetUTF8,
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encoder: getEncoder(EncodingQP),
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}
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_, err := msgwriter.Write([]byte("test"))
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if err == nil {
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t.Fatalf("msgWriter was supposed to fail on write")
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}
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})
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t.Run("msgWriter should fail on previous error", func(t *testing.T) {
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buffer := bytes.NewBuffer(nil)
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msgwriter := &msgWriter{
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writer: buffer,
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charset: CharsetUTF8,
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encoder: getEncoder(EncodingQP),
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}
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_, err := msgwriter.Write([]byte("test"))
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if err != nil {
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t.Errorf("msgWriter failed to write: %s", err)
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}
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msgwriter.err = errors.New("intentionally failed")
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_, err = msgwriter.Write([]byte("test2"))
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if err == nil {
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t.Fatalf("msgWriter was supposed to fail on second write")
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}
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})
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bw := &brokenWriter{}
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mw := &msgWriter{writer: bw, charset: CharsetUTF8, encoder: mime.QEncoding}
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_, err := mw.Write([]byte("test"))
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if err == nil {
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t.Errorf("msgWriter WriteTo() with brokenWriter should fail, but didn't")
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}
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// Also test the part when a previous error happened
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mw.err = fmt.Errorf("broken")
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_, err = mw.Write([]byte("test"))
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if err == nil {
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t.Errorf("msgWriter WriteTo() with brokenWriter should fail, but didn't")
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}
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}
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// TestMsgWriter_writeMsg tests the writeMsg method of the msgWriter
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func TestMsgWriter_writeMsg(t *testing.T) {
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msgwriter := &msgWriter{
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charset: CharsetUTF8,
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encoder: getEncoder(EncodingQP),
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m := NewMsg()
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_ = m.From(`"Toni Tester" <test@example.com>`)
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_ = m.To(`"Toni Receiver" <receiver@example.com>`)
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m.Subject("This is a subject")
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m.SetBulk()
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now := time.Now()
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m.SetDateWithValue(now)
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m.SetMessageIDWithValue("message@id.com")
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m.SetBodyString(TypeTextPlain, "This is the body")
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m.AddAlternativeString(TypeTextHTML, "This is the alternative body")
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buf := bytes.Buffer{}
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mw := &msgWriter{writer: &buf, charset: CharsetUTF8, encoder: mime.QEncoding}
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mw.writeMsg(m)
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ms := buf.String()
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var ea []string
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if !strings.Contains(ms, `MIME-Version: 1.0`) {
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ea = append(ea, "MIME-Version")
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}
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t.Run("msgWriter writes a simple message", func(t *testing.T) {
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buffer := bytes.NewBuffer(nil)
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now := time.Now()
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msgwriter.writer = buffer
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message := testMessage(t)
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message.SetDateWithValue(now)
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message.SetMessageIDWithValue("message@id.com")
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message.SetBulk()
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msgwriter.writeMsg(message)
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if msgwriter.err != nil {
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t.Errorf("msgWriter failed to write: %s", msgwriter.err)
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}
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var incorrectFields []string
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if !strings.Contains(buffer.String(), "MIME-Version: 1.0\r\n") {
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incorrectFields = append(incorrectFields, "MIME-Version")
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}
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if !strings.Contains(buffer.String(), fmt.Sprintf("Date: %s\r\n", now.Format(time.RFC1123Z))) {
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incorrectFields = append(incorrectFields, "Date")
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}
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if !strings.Contains(buffer.String(), "Message-ID: <message@id.com>\r\n") {
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incorrectFields = append(incorrectFields, "Message-ID")
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}
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if !strings.Contains(buffer.String(), "Precedence: bulk\r\n") {
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incorrectFields = append(incorrectFields, "Precedence")
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}
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if !strings.Contains(buffer.String(), "X-Auto-Response-Suppress: All\r\n") {
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incorrectFields = append(incorrectFields, "X-Auto-Response-Suppress")
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}
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if !strings.Contains(buffer.String(), "Subject: Testmail\r\n") {
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incorrectFields = append(incorrectFields, "Subject")
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}
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if !strings.Contains(buffer.String(), "User-Agent: go-mail v") {
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incorrectFields = append(incorrectFields, "User-Agent")
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}
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if !strings.Contains(buffer.String(), "X-Mailer: go-mail v") {
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incorrectFields = append(incorrectFields, "X-Mailer")
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}
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if !strings.Contains(buffer.String(), `From: <`+TestSenderValid+`>`) {
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incorrectFields = append(incorrectFields, "From")
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}
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if !strings.Contains(buffer.String(), `To: <`+TestRcptValid+`>`) {
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incorrectFields = append(incorrectFields, "From")
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}
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if !strings.Contains(buffer.String(), "Content-Type: text/plain; charset=UTF-8\r\n") {
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incorrectFields = append(incorrectFields, "Content-Type")
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}
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if !strings.Contains(buffer.String(), "Content-Transfer-Encoding: quoted-printable\r\n") {
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incorrectFields = append(incorrectFields, "Content-Transfer-Encoding")
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}
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if !strings.HasSuffix(buffer.String(), "\r\n\r\nTestmail") {
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incorrectFields = append(incorrectFields, "Message body")
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}
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if len(incorrectFields) > 0 {
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t.Fatalf("msgWriter failed to write correct fields: %s - mail: %s",
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strings.Join(incorrectFields, ", "), buffer.String())
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}
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})
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t.Run("msgWriter with no from address uses envelope from", func(t *testing.T) {
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buffer := bytes.NewBuffer(nil)
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msgwriter.writer = buffer
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message := NewMsg()
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if message == nil {
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t.Fatal("failed to create new message")
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}
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if err := message.EnvelopeFrom(TestSenderValid); err != nil {
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t.Errorf("failed to set sender address: %s", err)
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}
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if err := message.To(TestRcptValid); err != nil {
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t.Errorf("failed to set recipient address: %s", err)
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}
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message.Subject("Testmail")
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message.SetBodyString(TypeTextPlain, "Testmail")
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msgwriter.writeMsg(message)
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if msgwriter.err != nil {
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t.Errorf("msgWriter failed to write: %s", msgwriter.err)
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}
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if !strings.Contains(buffer.String(), "From: <"+TestSenderValid+">") {
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t.Errorf("expected envelope from address as from address, got: %s", buffer.String())
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}
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})
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t.Run("msgWriter with no from address or envelope from", func(t *testing.T) {
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buffer := bytes.NewBuffer(nil)
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msgwriter.writer = buffer
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message := NewMsg()
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if message == nil {
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t.Fatal("failed to create new message")
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}
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msgwriter.writeMsg(message)
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if msgwriter.err != nil {
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t.Errorf("msgWriter failed to write: %s", msgwriter.err)
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}
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if strings.Contains(buffer.String(), "From:") {
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t.Errorf("expected no from address, got: %s", buffer.String())
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}
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})
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t.Run("msgWriter writes a multipart/mixed message", func(t *testing.T) {
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buffer := bytes.NewBuffer(nil)
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msgwriter.writer = buffer
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message := testMessage(t, WithBoundary("testboundary"))
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message.AttachFile("testdata/attachment.txt")
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msgwriter.writeMsg(message)
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if msgwriter.err != nil {
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t.Errorf("msgWriter failed to write: %s", msgwriter.err)
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}
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if !strings.Contains(buffer.String(), "Content-Type: multipart/mixed") {
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t.Errorf("expected multipart/mixed, got: %s", buffer.String())
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}
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if !strings.Contains(buffer.String(), "--testboundary\r\n") {
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t.Errorf("expected boundary, got: %s", buffer.String())
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}
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if !strings.Contains(buffer.String(), "--testboundary--") {
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t.Errorf("expected end boundary, got: %s", buffer.String())
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}
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})
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t.Run("msgWriter writes a multipart/related message", func(t *testing.T) {
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buffer := bytes.NewBuffer(nil)
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msgwriter.writer = buffer
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message := testMessage(t, WithBoundary("testboundary"))
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message.EmbedFile("testdata/embed.txt")
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msgwriter.writeMsg(message)
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if msgwriter.err != nil {
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t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
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}
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if !strings.Contains(buffer.String(), "Content-Type: multipart/related") {
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t.Errorf("expected multipart/related, got: %s", buffer.String())
|
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}
|
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if !strings.Contains(buffer.String(), "--testboundary\r\n") {
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t.Errorf("expected boundary, got: %s", buffer.String())
|
||||
}
|
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if !strings.Contains(buffer.String(), "--testboundary--") {
|
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t.Errorf("expected end boundary, got: %s", buffer.String())
|
||||
}
|
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})
|
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t.Run("msgWriter writes a multipart/alternative message", func(t *testing.T) {
|
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buffer := bytes.NewBuffer(nil)
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msgwriter.writer = buffer
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message := testMessage(t, WithBoundary("testboundary"))
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message.AddAlternativeString(TypeTextHTML, "<html><body><h1>Testmail</h1></body></html>")
|
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msgwriter.writeMsg(message)
|
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if msgwriter.err != nil {
|
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t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
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if !strings.Contains(buffer.String(), "Content-Type: multipart/alternative") {
|
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t.Errorf("expected multipart/alternative, got: %s", buffer.String())
|
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}
|
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if !strings.Contains(buffer.String(), "--testboundary\r\n") {
|
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t.Errorf("expected boundary, got: %s", buffer.String())
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "--testboundary--") {
|
||||
t.Errorf("expected end boundary, got: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("msgWriter writes a application/pgp-encrypted message", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t, WithPGPType(PGPEncrypt), WithBoundary("testboundary"))
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "Content-Type: multipart/encrypted") {
|
||||
t.Errorf("expected multipart/encrypted, got: %s", buffer.String())
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "--testboundary\r\n") {
|
||||
t.Errorf("expected boundary, got: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("msgWriter writes a application/pgp-signature message", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t, WithPGPType(PGPSignature), WithBoundary("testboundary"))
|
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msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "Content-Type: multipart/signed") {
|
||||
t.Errorf("expected multipart/signed, got: %s", buffer.String())
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "--testboundary\r\n") {
|
||||
t.Errorf("expected boundary, got: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("msgWriter should ignore NoPGP", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t, WithBoundary("testboundary"))
|
||||
message.pgptype = 9
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "--testboundary\r\n") {
|
||||
t.Errorf("expected boundary, got: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func TestMsgWriter_writePreformattedGenHeader(t *testing.T) {
|
||||
t.Run("message with no preformatted headerset", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter := &msgWriter{
|
||||
writer: buffer,
|
||||
charset: CharsetUTF8,
|
||||
encoder: getEncoder(EncodingQP),
|
||||
}
|
||||
message := testMessage(t)
|
||||
message.SetGenHeaderPreformatted(HeaderContentID, "This is a content id")
|
||||
msgwriter.writeMsg(message)
|
||||
if !strings.Contains(buffer.String(), "Content-ID: This is a content id\r\n") {
|
||||
t.Errorf("expected preformatted header, got: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func TestMsgWriter_addFiles(t *testing.T) {
|
||||
msgwriter := &msgWriter{
|
||||
charset: CharsetUTF8,
|
||||
encoder: getEncoder(EncodingQP),
|
||||
if !strings.Contains(ms, fmt.Sprintf("Date: %s", now.Format(time.RFC1123Z))) {
|
||||
ea = append(ea, "Date")
|
||||
}
|
||||
t.Run("message with a single file attached", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t)
|
||||
message.AttachFile("testdata/attachment.txt")
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
switch runtime.GOOS {
|
||||
case "windows":
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudA0K") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
default:
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudAo=") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Disposition: attachment; filename="attachment.txt"`) {
|
||||
t.Errorf("Content-Dispositon header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
switch runtime.GOOS {
|
||||
case "freebsd":
|
||||
if !strings.Contains(buffer.String(), `Content-Type: application/octet-stream; name="attachment.txt"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
default:
|
||||
if !strings.Contains(buffer.String(), `Content-Type: text/plain; charset=utf-8; name="attachment.txt"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
}
|
||||
})
|
||||
t.Run("message with a single file attached no extension", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t)
|
||||
message.AttachFile("testdata/attachment")
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
switch runtime.GOOS {
|
||||
case "windows":
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudA0K") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
default:
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudAo=") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Disposition: attachment; filename="attachment"`) {
|
||||
t.Errorf("Content-Dispositon header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Type: application/octet-stream; name="attachment"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("message with a single file attached custom content-type", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t)
|
||||
message.AttachFile("testdata/attachment.txt", WithFileContentType(TypeAppOctetStream))
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
switch runtime.GOOS {
|
||||
case "windows":
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudA0K") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
default:
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudAo=") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Disposition: attachment; filename="attachment.txt"`) {
|
||||
t.Errorf("Content-Dispositon header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Type: application/octet-stream; name="attachment.txt"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("message with a single file attached custom transfer-encoding", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t)
|
||||
message.AttachFile("testdata/attachment.txt", WithFileEncoding(EncodingUSASCII))
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "\r\n\r\nThis is a test attachment") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Disposition: attachment; filename="attachment.txt"`) {
|
||||
t.Errorf("Content-Dispositon header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
switch runtime.GOOS {
|
||||
case "freebsd":
|
||||
if !strings.Contains(buffer.String(), `Content-Type: application/octet-stream; name="attachment.txt"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
default:
|
||||
if !strings.Contains(buffer.String(), `Content-Type: text/plain; charset=utf-8; name="attachment.txt"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Transfer-Encoding: 7bit`) {
|
||||
t.Errorf("Content-Transfer-Encoding header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("message with a single file attached custom description", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t)
|
||||
message.AttachFile("testdata/attachment.txt", WithFileDescription("Testdescription"))
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
switch runtime.GOOS {
|
||||
case "windows":
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudA0K") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
default:
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudAo=") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Disposition: attachment; filename="attachment.txt"`) {
|
||||
t.Errorf("Content-Dispositon header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
switch runtime.GOOS {
|
||||
case "freebsd":
|
||||
if !strings.Contains(buffer.String(), `Content-Type: application/octet-stream; name="attachment.txt"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
default:
|
||||
if !strings.Contains(buffer.String(), `Content-Type: text/plain; charset=utf-8; name="attachment.txt"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Transfer-Encoding: base64`) {
|
||||
t.Errorf("Content-Transfer-Encoding header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Description: Testdescription`) {
|
||||
t.Errorf("Content-Description header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("message with attachment but no body part", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t)
|
||||
message.parts = nil
|
||||
message.AttachFile("testdata/attachment.txt")
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
switch runtime.GOOS {
|
||||
case "windows":
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudA0K") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
default:
|
||||
if !strings.Contains(buffer.String(), "VGhpcyBpcyBhIHRlc3QgYXR0YWNobWVudAo=") {
|
||||
t.Errorf("attachment not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Disposition: attachment; filename="attachment.txt"`) {
|
||||
t.Errorf("Content-Dispositon header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
switch runtime.GOOS {
|
||||
case "freebsd":
|
||||
if !strings.Contains(buffer.String(), `Content-Type: application/octet-stream; name="attachment.txt"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
default:
|
||||
if !strings.Contains(buffer.String(), `Content-Type: text/plain; charset=utf-8; name="attachment.txt"`) {
|
||||
t.Errorf("Content-Type header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
}
|
||||
if !strings.Contains(buffer.String(), `Content-Transfer-Encoding: base64`) {
|
||||
t.Errorf("Content-Transfer-Encoding header not found for attachment. Mail: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func TestMsgWriter_writePart(t *testing.T) {
|
||||
msgwriter := &msgWriter{
|
||||
charset: CharsetUTF8,
|
||||
encoder: getEncoder(EncodingQP),
|
||||
if !strings.Contains(ms, `Message-ID: <message@id.com>`) {
|
||||
ea = append(ea, "Message-ID")
|
||||
}
|
||||
t.Run("message with no part charset should use default message charset", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t, WithCharset(CharsetUTF7))
|
||||
message.AddAlternativeString(TypeTextPlain, "thisisatest")
|
||||
message.parts[1].charset = ""
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "ontent-Type: text/plain; charset=UTF-7\r\n\r\nTestmail") {
|
||||
t.Errorf("part not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "ontent-Type: text/plain; charset=UTF-7\r\n\r\nthisisatest") {
|
||||
t.Errorf("part not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("message with parts that have a description", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t)
|
||||
message.AddAlternativeString(TypeTextPlain, "thisisatest")
|
||||
message.parts[1].description = "thisisadescription"
|
||||
msgwriter.writeMsg(message)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("msgWriter failed to write: %s", msgwriter.err)
|
||||
}
|
||||
if !strings.Contains(buffer.String(), "Content-Description: thisisadescription") {
|
||||
t.Errorf("part description not found in mail message. Mail: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func TestMsgWriter_writeString(t *testing.T) {
|
||||
msgwriter := &msgWriter{
|
||||
charset: CharsetUTF8,
|
||||
encoder: getEncoder(EncodingQP),
|
||||
if !strings.Contains(ms, `Precedence: bulk`) {
|
||||
ea = append(ea, "Precedence")
|
||||
}
|
||||
t.Run("writeString succeeds", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
msgwriter.writeString("thisisatest")
|
||||
if !strings.EqualFold(buffer.String(), "thisisatest") {
|
||||
t.Errorf("writeString failed, expected: thisisatest got: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("writeString fails", func(t *testing.T) {
|
||||
msgwriter.writer = failReadWriteSeekCloser{}
|
||||
msgwriter.writeString("thisisatest")
|
||||
if msgwriter.err == nil {
|
||||
t.Errorf("writeString succeeded, expected error")
|
||||
}
|
||||
})
|
||||
t.Run("writeString on errored writer should return", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
msgwriter.err = errors.New("intentional error")
|
||||
msgwriter.writeString("thisisatest")
|
||||
if !strings.EqualFold(buffer.String(), "") {
|
||||
t.Errorf("writeString succeeded, expected: empty string, got: %s", buffer.String())
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func TestMsgWriter_writeHeader(t *testing.T) {
|
||||
msgwriter := &msgWriter{
|
||||
charset: CharsetUTF8,
|
||||
encoder: getEncoder(EncodingQP),
|
||||
if !strings.Contains(ms, `Subject: This is a subject`) {
|
||||
ea = append(ea, "Subject")
|
||||
}
|
||||
t.Run("writeHeader with single value", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
msgwriter.writeHeader(HeaderMessageID, "this.is.a.test")
|
||||
if !strings.EqualFold(buffer.String(), "Message-ID: this.is.a.test\r\n") {
|
||||
t.Errorf("writeHeader failed, expected: %s, got: %s", "Message-ID: this.is.a.test",
|
||||
buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("writeHeader with multiple values", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
msgwriter.writeHeader(HeaderMessageID, "this.is.a.test", "this.as.well")
|
||||
if !strings.EqualFold(buffer.String(), "Message-ID: this.is.a.test, this.as.well\r\n") {
|
||||
t.Errorf("writeHeader failed, expected: %s, got: %s", "Message-ID: this.is.a.test, this.as.well",
|
||||
buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("writeHeader with no values", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
msgwriter.writeHeader(HeaderMessageID)
|
||||
// While technically it is permitted to have empty headers, it's recommend to omit them if
|
||||
// no value is present. We follow this recommendation.
|
||||
if !strings.EqualFold(buffer.String(), "") {
|
||||
t.Errorf("writeHeader failed, expected: %s, got: %s", "", buffer.String())
|
||||
}
|
||||
})
|
||||
t.Run("writeHeader with very long value", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
msgwriter.writeHeader(HeaderMessageID, strings.Repeat("a", MaxHeaderLength-13), "next-row")
|
||||
want := "Message-ID:\r\n " + strings.Repeat("a", MaxHeaderLength-13) + ",\r\n next-row\r\n"
|
||||
if !strings.EqualFold(buffer.String(), want) {
|
||||
t.Errorf("writeHeader failed, expected: %s, got: %s", want, buffer.String())
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func TestMsgWriter_writeBody(t *testing.T) {
|
||||
t.Log("We only cover some edge-cases here, most of the functionality is tested already very thoroughly.")
|
||||
|
||||
msgwriter := &msgWriter{
|
||||
charset: CharsetUTF8,
|
||||
encoder: getEncoder(EncodingQP),
|
||||
if !strings.Contains(ms, `User-Agent: go-mail v`) {
|
||||
ea = append(ea, "User-Agent")
|
||||
}
|
||||
t.Run("writeBody on NoEncoding", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
message := testMessage(t)
|
||||
msgwriter.writeBody(message.parts[0].writeFunc, NoEncoding)
|
||||
if msgwriter.err != nil {
|
||||
t.Errorf("writeBody failed to write: %s", msgwriter.err)
|
||||
if !strings.Contains(ms, `X-Mailer: go-mail v`) {
|
||||
ea = append(ea, "X-Mailer")
|
||||
}
|
||||
if !strings.Contains(ms, `From: "Toni Tester" <test@example.com>`) {
|
||||
ea = append(ea, "From")
|
||||
}
|
||||
if !strings.Contains(ms, `To: "Toni Receiver" <receiver@example.com>`) {
|
||||
ea = append(ea, "To")
|
||||
}
|
||||
if !strings.Contains(ms, `Content-Type: text/plain; charset=UTF-8`) {
|
||||
ea = append(ea, "Content-Type")
|
||||
}
|
||||
if !strings.Contains(ms, `Content-Transfer-Encoding: quoted-printable`) {
|
||||
ea = append(ea, "Content-Transfer-Encoding")
|
||||
}
|
||||
if !strings.Contains(ms, "\r\n\r\nThis is the body") {
|
||||
ea = append(ea, "Message body")
|
||||
}
|
||||
|
||||
pl := m.GetParts()
|
||||
if len(pl) <= 0 {
|
||||
t.Errorf("expected multiple parts but got none")
|
||||
return
|
||||
}
|
||||
if len(pl) == 2 {
|
||||
ap := pl[1]
|
||||
ap.SetCharset(CharsetISO88591)
|
||||
}
|
||||
buf.Reset()
|
||||
mw.writeMsg(m)
|
||||
ms = buf.String()
|
||||
if !strings.Contains(ms, "\r\n\r\nThis is the alternative body") {
|
||||
ea = append(ea, "Message alternative body")
|
||||
}
|
||||
if !strings.Contains(ms, `Content-Type: text/html; charset=ISO-8859-1`) {
|
||||
ea = append(ea, "alternative body charset")
|
||||
}
|
||||
|
||||
if len(ea) > 0 {
|
||||
em := "writeMsg() failed. The following errors occurred:\n"
|
||||
for e := range ea {
|
||||
em += fmt.Sprintf("* incorrect %q field", ea[e])
|
||||
}
|
||||
})
|
||||
t.Run("writeBody on NoEncoding fails on write", func(t *testing.T) {
|
||||
msgwriter.writer = failReadWriteSeekCloser{}
|
||||
message := testMessage(t)
|
||||
msgwriter.writeBody(message.parts[0].writeFunc, NoEncoding)
|
||||
if msgwriter.err == nil {
|
||||
t.Errorf("writeBody succeeded, expected error")
|
||||
}
|
||||
if !strings.EqualFold(msgwriter.err.Error(), "bodyWriter io.Copy: intentional write failure") {
|
||||
t.Errorf("expected error: bodyWriter io.Copy: intentional write failure, got: %s", msgwriter.err)
|
||||
}
|
||||
})
|
||||
t.Run("writeBody on NoEncoding fails on writeFunc", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
writeFunc := func(io.Writer) (int64, error) {
|
||||
return 0, errors.New("intentional write failure")
|
||||
}
|
||||
msgwriter.writeBody(writeFunc, NoEncoding)
|
||||
if msgwriter.err == nil {
|
||||
t.Errorf("writeBody succeeded, expected error")
|
||||
}
|
||||
if !strings.EqualFold(msgwriter.err.Error(), "bodyWriter function: intentional write failure") {
|
||||
t.Errorf("expected error: bodyWriter function: intentional write failure, got: %s", msgwriter.err)
|
||||
}
|
||||
})
|
||||
t.Run("writeBody Quoted-Printable fails on write", func(t *testing.T) {
|
||||
msgwriter.writer = failReadWriteSeekCloser{}
|
||||
message := testMessage(t)
|
||||
msgwriter.writeBody(message.parts[0].writeFunc, EncodingQP)
|
||||
if msgwriter.err == nil {
|
||||
t.Errorf("writeBody succeeded, expected error")
|
||||
}
|
||||
if !strings.EqualFold(msgwriter.err.Error(), "bodyWriter function: intentional write failure") {
|
||||
t.Errorf("expected error: bodyWriter function: intentional write failure, got: %s", msgwriter.err)
|
||||
}
|
||||
})
|
||||
t.Run("writeBody Quoted-Printable fails on writeFunc", func(t *testing.T) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
msgwriter.writer = buffer
|
||||
writeFunc := func(io.Writer) (int64, error) {
|
||||
return 0, errors.New("intentional write failure")
|
||||
}
|
||||
msgwriter.writeBody(writeFunc, EncodingQP)
|
||||
if msgwriter.err == nil {
|
||||
t.Errorf("writeBody succeeded, expected error")
|
||||
}
|
||||
if !strings.EqualFold(msgwriter.err.Error(), "bodyWriter function: intentional write failure") {
|
||||
t.Errorf("expected error: bodyWriter function: intentional write failure, got: %s", msgwriter.err)
|
||||
}
|
||||
})
|
||||
em += fmt.Sprintf("\n\nFull message:\n%s", ms)
|
||||
t.Error(em)
|
||||
}
|
||||
}
|
||||
|
||||
// TestMsgWriter_writeMsg_PGP tests the writeMsg method of the msgWriter with PGP types set
|
||||
func TestMsgWriter_writeMsg_PGP(t *testing.T) {
|
||||
m := NewMsg(WithPGPType(PGPEncrypt))
|
||||
_ = m.From(`"Toni Tester" <test@example.com>`)
|
||||
_ = m.To(`"Toni Receiver" <receiver@example.com>`)
|
||||
m.Subject("This is a subject")
|
||||
m.SetBodyString(TypeTextPlain, "This is the body")
|
||||
buf := bytes.Buffer{}
|
||||
mw := &msgWriter{writer: &buf, charset: CharsetUTF8, encoder: mime.QEncoding}
|
||||
mw.writeMsg(m)
|
||||
ms := buf.String()
|
||||
if !strings.Contains(ms, `encrypted; protocol="application/pgp-encrypted"`) {
|
||||
t.Errorf("writeMsg failed. Expected PGP encoding header but didn't find it in message output")
|
||||
}
|
||||
|
||||
m = NewMsg(WithPGPType(PGPSignature))
|
||||
_ = m.From(`"Toni Tester" <test@example.com>`)
|
||||
_ = m.To(`"Toni Receiver" <receiver@example.com>`)
|
||||
m.Subject("This is a subject")
|
||||
m.SetBodyString(TypeTextPlain, "This is the body")
|
||||
buf = bytes.Buffer{}
|
||||
mw = &msgWriter{writer: &buf, charset: CharsetUTF8, encoder: mime.QEncoding}
|
||||
mw.writeMsg(m)
|
||||
ms = buf.String()
|
||||
if !strings.Contains(ms, `signed; protocol="application/pgp-signature"`) {
|
||||
t.Errorf("writeMsg failed. Expected PGP encoding header but didn't find it in message output")
|
||||
}
|
||||
}
|
||||
|
|
|
|||
1
testdata/attachment
vendored
1
testdata/attachment
vendored
|
|
@ -1 +0,0 @@
|
|||
This is a test attachment
|
||||
3
testdata/attachment.license
vendored
3
testdata/attachment.license
vendored
|
|
@ -1,3 +0,0 @@
|
|||
// SPDX-FileCopyrightText: Copyright (c) 2022-2024 The go-mail Authors
|
||||
//
|
||||
// SPDX-License-Identifier: MIT
|
||||
Loading…
Reference in a new issue