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|
package coding
import (
"testing"
)
func TestDecodePlainPassthrough(t *testing.T) {
var ttable = []string{
"Test",
"Testing One two 3 4",
}
for _, in := range ttable {
t.Run(in, func(t *testing.T) {
got := DecodeExtHeader(in)
if got != in {
t.Errorf("DecodeExtHeader(%q) == %q, want: %q", in, got, in)
}
})
}
}
func TestDecodeFailurePassthrough(t *testing.T) {
var ttable = []struct {
label, in string
}{
{
label: "Newline detection & abort",
in: "=?US\nASCII?Q?Keith_Moore?=",
},
{
label: "Carriage return detection & abort",
in: "=?US-ASCII?\r?Keith_Moore?=",
},
{
label: "Invalid termination",
in: "=?US-ASCII?Q?Keith_Moore?!",
},
}
for _, tt := range ttable {
t.Run(tt.in, func(t *testing.T) {
got := DecodeExtHeader(tt.in)
if got != tt.in {
t.Errorf("DecodeExtHeader(%q) == %q, want: %q", tt.in, got, tt.in)
}
})
}
}
func TestDecodeAsciiB64(t *testing.T) {
var ttable = []struct {
in, want string
}{
// Simple ASCII quoted-printable encoded word
{"=?US-ASCII?B?SGVsbG8gV29ybGQ=?=", "Hello World"},
// Abutting a MIME header comment is legal
{"(=?US-ASCII?B?SGVsbG8gV29ybGQ=?=)", "(Hello World)"},
// The entire header does not need to be encoded
{"(Prefix =?US-ASCII?B?SGVsbG8gV29ybGQ=?=)", "(Prefix Hello World)"},
}
for _, tt := range ttable {
t.Run(tt.in, func(t *testing.T) {
got := DecodeExtHeader(tt.in)
if got != tt.want {
t.Errorf("DecodeExtHeader(%q) == %q, want: %q", tt.in, got, tt.want)
}
})
}
}
func TestDecodeAsciiQ(t *testing.T) {
var ttable = []struct {
in, want string
}{
// Simple ASCII QP encoded word
{"=?US-ASCII?Q?Keith_Moore?=", "Keith Moore"},
// Abutting a MIME header comment is legal
{"(=?US-ASCII?Q?Keith_Moore?=)", "(Keith Moore)"},
// The entire header does not need to be encoded
{"(Keith =?US-ASCII?Q?Moore?=)", "(Keith Moore)"},
}
for _, tt := range ttable {
t.Run(tt.in, func(t *testing.T) {
got := DecodeExtHeader(tt.in)
if got != tt.want {
t.Errorf("DecodeExtHeader(%q) == %q, want: %q", tt.in, got, tt.want)
}
})
}
}
// Spacing rules from RFC 2047
func TestDecodeSpacing(t *testing.T) {
var ttable = []struct {
in, want string
}{
{"(=?ISO-8859-1?Q?a?=)", "(a)"},
{"(=?ISO-8859-1?Q?a?= b)", "(a b)"},
{"(=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)", "(ab)"},
{"(=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)", "(ab)"},
{"(=?ISO-8859-1?Q?a?=\r\n =?ISO-8859-1?Q?b?=)", "(ab)"},
{"(=?ISO-8859-1?Q?a_b?=)", "(a b)"},
{"(=?ISO-8859-1?Q?a?= =?ISO-8859-2?Q?_b?=)", "(a b)"},
}
for _, tt := range ttable {
t.Run(tt.in, func(t *testing.T) {
got := DecodeExtHeader(tt.in)
if got != tt.want {
t.Errorf("DecodeExtHeader(%q) == %q, want: %q", tt.in, got, tt.want)
}
})
}
}
// Test some different character sets
func TestDecodeCharsets(t *testing.T) {
var ttable = []struct {
in, want string
}{
{"=?utf-8?q?abcABC_=24_=c2=a2_=e2=82=ac?=", "abcABC $ \u00a2 \u20ac"},
{"=?iso-8859-1?q?#=a3_c=a9_r=ae_u=b5?=", "#\u00a3 c\u00a9 r\u00ae u\u00b5"},
{"=?big5?q?=a1=5d_=a1=61_=a1=71?=", "\uff08 \uff5b \u3008"},
}
for _, tt := range ttable {
t.Run(tt.in, func(t *testing.T) {
got := DecodeExtHeader(tt.in)
if got != tt.want {
t.Errorf("DecodeExtHeader(%q) == %q, want: %q", tt.in, got, tt.want)
}
})
}
}
func TestRfc2047Decode(t *testing.T) {
var ttable = []struct {
label, in, want string
}{
{"pass through", "plain text", "plain text"},
{"quoted", "=?US-ASCII?q?Hello=20World?=", "Hello World"},
{"base64", "=?US-ASCII?b?SGVsbG8gV29ybGQ=?=", "Hello World"},
{"nested qp+b64", "=?utf-8?b?PT9VUy1BU0NJST9xP0hlbGxvPTIwV29ybGQ/PQ==?=", "Hello World"},
}
for _, tt := range ttable {
t.Run(tt.label, func(t *testing.T) {
got := RFC2047Decode(tt.in)
if got != tt.want {
t.Errorf("RFC2047Decode(%q) == %q, want: %q", tt.in, got, tt.want)
}
})
}
}
|
