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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package idna
import (
"testing"
)
var idnaTestCases = [...]struct {
ascii, unicode string
}{
// Labels.
{"books", "books"},
{"xn--bcher-kva", "bücher"},
// Domains.
{"foo--xn--bar.org", "foo--xn--bar.org"},
{"golang.org", "golang.org"},
{"example.xn--p1ai", "example.рф"},
{"xn--czrw28b.tw", "商業.tw"},
{"www.xn--mller-kva.de", "www.müller.de"},
}
func TestIDNA(t *testing.T) {
for _, tc := range idnaTestCases {
if a, err := ToASCII(tc.unicode); err != nil {
t.Errorf("ToASCII(%q): %v", tc.unicode, err)
} else if a != tc.ascii {
t.Errorf("ToASCII(%q): got %q, want %q", tc.unicode, a, tc.ascii)
}
if u, err := ToUnicode(tc.ascii); err != nil {
t.Errorf("ToUnicode(%q): %v", tc.ascii, err)
} else if u != tc.unicode {
t.Errorf("ToUnicode(%q): got %q, want %q", tc.ascii, u, tc.unicode)
}
}
}
func TestIDNASeparators(t *testing.T) {
type subCase struct {
unicode string
wantASCII string
wantErr bool
}
testCases := []struct {
name string
profile *Profile
subCases []subCase
}{
{
name: "Punycode", profile: Punycode,
subCases: []subCase{
{"example\u3002jp", "xn--examplejp-ck3h", false},
{"東京\uFF0Ejp", "xn--jp-l92cn98g071o", false},
{"大阪\uFF61jp", "xn--jp-ku9cz72u463f", false},
},
},
{
name: "Lookup", profile: Lookup,
subCases: []subCase{
{"example\u3002jp", "example.jp", false},
{"東京\uFF0Ejp", "xn--1lqs71d.jp", false},
{"大阪\uFF61jp", "xn--pssu33l.jp", false},
},
},
{
name: "Display", profile: Display,
subCases: []subCase{
{"example\u3002jp", "example.jp", false},
{"東京\uFF0Ejp", "xn--1lqs71d.jp", false},
{"大阪\uFF61jp", "xn--pssu33l.jp", false},
},
},
{
name: "Registration", profile: Registration,
subCases: []subCase{
{"example\u3002jp", "", true},
{"東京\uFF0Ejp", "", true},
{"大阪\uFF61jp", "", true},
},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
for _, c := range tc.subCases {
gotA, err := tc.profile.ToASCII(c.unicode)
if c.wantErr {
if err == nil {
t.Errorf("ToASCII(%q): got no error, but an error expected", c.unicode)
}
} else {
if err != nil {
t.Errorf("ToASCII(%q): got err=%v, but no error expected", c.unicode, err)
} else if gotA != c.wantASCII {
t.Errorf("ToASCII(%q): got %q, want %q", c.unicode, gotA, c.wantASCII)
}
}
}
})
}
}
// TODO(nigeltao): test errors, once we've specified when ToASCII and ToUnicode
// return errors.