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// Copyright 2016 Martin Hebnes Pedersen (LA5NTA). All rights reserved.
// Use of this source code is governed by the MIT-license that can be
// found in the LICENSE file.
package fbb
import (
"bytes"
"reflect"
"strings"
"testing"
"time"
"unicode"
)
func TestReadMessageWithWhitespaceBeforeHeader(t *testing.T) {
m1 := NewMessage(Private, "one-long-mid")
m1.AddTo("N0CALL")
m1.SetFrom("LA5NTA")
m1.SetBody("Hello world")
// Write the message with leading whitespace garbage
var buf bytes.Buffer
buf.WriteString("\r\n\r\n\t ")
if err := m1.Write(&buf); err != nil {
t.Fatal(err)
}
// Read the message and verify that we decoded the header successfully.
m2 := &Message{}
if err := m2.ReadFrom(bytes.NewReader(buf.Bytes())); err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(m1.Header, m2.Header) {
t.Error("parsed message header differs", m1, m2)
}
}
func TestEmptyMessageReadError(t *testing.T) {
if err := (&Message{}).ReadFrom(strings.NewReader("")); err == nil {
t.Errorf("Reading empty message did not error")
}
if err := (&Message{}).ReadFrom(strings.NewReader("\r\n\r\nfoobar")); err == nil {
t.Errorf("Reading headerless message did not error")
}
}
func TestParseDate(t *testing.T) {
tests := []string{
"2016/12/30 01:00", // The correct format according to winlink.org/b2f.
"2016.12.30 01:00", // RMS Relay store-and-forward re-formats date headers in this undocumented layout.
"2016-12-30 01:00", // Seen in a Radio Only message via RMS Relay-3.0.30.0.
"20161230010000", // Format known to be produced by some versions of BPQ Mail.
// Extended format support to ensure we support common email formats.
"Fri, 30 Dec 2016 01:00:00 -0000", // RFC 5322, Appendix A.1.1.
"Fri, 30 Dec 2016 01:00:00 GMT", // RFC 5322, Appendix A.6.2. Obsolete date.
}
expect := time.Date(2016, time.December, 30, 01, 00, 00, 00, time.UTC).Local()
for _, str := range tests {
got, _ := ParseDate(str)
if !got.Equal(expect) {
t.Errorf("Unexpected Time when parsing `%s`: %s", str, got)
}
}
}
func TestAddressFromString(t *testing.T) {
tests := map[string]Address{
"LA5NTA": {Proto: "", Addr: "LA5NTA"},
"la5nta": {Proto: "", Addr: "LA5NTA"},
"LA5NTA@winlink.org": {Proto: "", Addr: "LA5NTA"},
"LA5NTA@WINLINK.org": {Proto: "", Addr: "LA5NTA"},
"la5nta@WINLINK.org": {Proto: "", Addr: "LA5NTA"},
"foo@bar.baz": {Proto: "SMTP", Addr: "foo@bar.baz"},
}
for str, expect := range tests {
got := AddressFromString(str)
if !reflect.DeepEqual(expect, got) {
t.Errorf("'%s' got %#v expected %#v", str, got, expect)
}
}
}
func TestEncodeNonASCIIFileNames(t *testing.T) {
msg := NewMessage(Private, "NOCALL")
msg.AddFile(NewFile("æøå.txt", []byte{}))
if h := msg.Header.Get("File"); IsIllegalHeader(h) {
t.Error("Non-ascii character in encoded File header")
}
}
func TestDecodeNonASCIIFileNames(t *testing.T) {
msg := NewMessage(Private, "NOCALL")
msg.AddFile(NewFile("æøå.txt", []byte{}))
samples := []string{
msg.Header["File"][0], // Word encoded (round trip)
"0 æøå.txt", // UTF8
"0 \xE6\xF8\xE5.txt", // Latin1
}
for i, v := range samples {
msg.Header["File"][0] = v
var buf bytes.Buffer
msg.Write(&buf)
decoded := new(Message)
decoded.ReadFrom(&buf)
if msg.Files()[0].Name() != "æøå.txt" {
t.Errorf("Sample %d failed", i)
}
}
}
func TestEmptyAttachment(t *testing.T) {
msg := NewMessage(Private, "N0CALL")
msg.AddFile(NewFile("foo.txt", nil))
var buf bytes.Buffer
if err := msg.Write(&buf); err != nil {
t.Fatalf("Error writing message: %v", err)
}
if !strings.Contains(buf.String(), "File: 0 foo.txt") {
t.Error("Expected File header")
}
decoded := new(Message)
if err := decoded.ReadFrom(&buf); err != nil {
t.Fatalf("Error while decoding produced message: %v", err)
}
if n := len(msg.Files()); n != 1 {
t.Fatalf("Expected one attachment after roundtrip, found %d", n)
}
f := msg.Files()[0]
if f.Size() != 0 {
t.Errorf("Expected size 0 after roundtrip, found %d", f.Size())
}
if f.Name() != "foo.txt" {
t.Errorf("Got unexpected attachment name after roundtrip: %s", f.Name())
}
body, err := msg.Body()
if err != nil {
t.Errorf("Got error reading body: %v", err)
}
if len(body) != 0 {
t.Errorf("Expected no body, got length %d", len(body))
}
}
func IsIllegalHeader(str string) bool {
for _, c := range str {
if !IsGraphicASCII(c) {
return true
}
}
return false
}
func IsGraphicASCII(c rune) bool {
return c <= unicode.MaxASCII && unicode.IsGraphic(c)
}
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