+++ /dev/null
-// Copyright 2016 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 (
- "fmt"
- "strconv"
- "strings"
- "testing"
-
- "golang.org/x/text/internal/gen"
- "golang.org/x/text/internal/testtext"
- "golang.org/x/text/internal/ucd"
-)
-
-func TestAllocToUnicode(t *testing.T) {
- avg := testtext.AllocsPerRun(1000, func() {
- ToUnicode("www.golang.org")
- })
- if avg > 0 {
- t.Errorf("got %f; want 0", avg)
- }
-}
-
-func TestAllocToASCII(t *testing.T) {
- avg := testtext.AllocsPerRun(1000, func() {
- ToASCII("www.golang.org")
- })
- if avg > 0 {
- t.Errorf("got %f; want 0", avg)
- }
-}
-
-func TestProfiles(t *testing.T) {
- testCases := []struct {
- name string
- want, got *Profile
- }{
- {"Punycode", punycode, New()},
- {"Registration", registration, New(ValidateForRegistration())},
- {"Registration", registration, New(
- ValidateForRegistration(),
- VerifyDNSLength(true),
- BidiRule(),
- )},
- {"Lookup", lookup, New(MapForLookup(), BidiRule(), Transitional(true))},
- {"Display", display, New(MapForLookup(), BidiRule())},
- }
- for _, tc := range testCases {
- // Functions are not comparable, but the printed version will include
- // their pointers.
- got := fmt.Sprintf("%#v", tc.got)
- want := fmt.Sprintf("%#v", tc.want)
- if got != want {
- t.Errorf("%s: \ngot %#v,\nwant %#v", tc.name, got, want)
- }
- }
-}
-
-// doTest performs a single test f(input) and verifies that the output matches
-// out and that the returned error is expected. The errors string contains
-// all allowed error codes as categorized in
-// http://www.unicode.org/Public/idna/9.0.0/IdnaTest.txt:
-// P: Processing
-// V: Validity
-// A: to ASCII
-// B: Bidi
-// C: Context J
-func doTest(t *testing.T, f func(string) (string, error), name, input, want, errors string) {
- errors = strings.Trim(errors, "[]")
- test := "ok"
- if errors != "" {
- test = "err:" + errors
- }
- // Replace some of the escape sequences to make it easier to single out
- // tests on the command name.
- in := strings.Trim(strconv.QuoteToASCII(input), `"`)
- in = strings.Replace(in, `\u`, "#", -1)
- in = strings.Replace(in, `\U`, "#", -1)
- name = fmt.Sprintf("%s/%s/%s", name, in, test)
-
- testtext.Run(t, name, func(t *testing.T) {
- got, err := f(input)
-
- if err != nil {
- code := err.(interface {
- code() string
- }).code()
- if strings.Index(errors, code) == -1 {
- t.Errorf("error %q not in set of expected errors {%v}", code, errors)
- }
- } else if errors != "" {
- t.Errorf("no errors; want error in {%v}", errors)
- }
-
- if want != "" && got != want {
- t.Errorf(`string: got %+q; want %+q`, got, want)
- }
- })
-}
-
-// TestLabelErrors tests strings returned in case of error. All results should
-// be identical to the reference implementation and can be verified at
-// http://unicode.org/cldr/utility/idna.jsp. The reference implementation,
-// however, seems to not display Bidi and ContextJ errors.
-//
-// In some cases the behavior of browsers is added as a comment. In all cases,
-// whenever a resolve search returns an error here, Chrome will treat the input
-// string as a search string (including those for Bidi and Context J errors),
-// unless noted otherwise.
-func TestLabelErrors(t *testing.T) {
- encode := func(s string) string { s, _ = encode(acePrefix, s); return s }
- type kind struct {
- name string
- f func(string) (string, error)
- }
- punyA := kind{"PunycodeA", punycode.ToASCII}
- resolve := kind{"ResolveA", Lookup.ToASCII}
- display := kind{"ToUnicode", Display.ToUnicode}
- p := New(VerifyDNSLength(true), MapForLookup(), BidiRule())
- lengthU := kind{"CheckLengthU", p.ToUnicode}
- lengthA := kind{"CheckLengthA", p.ToASCII}
- p = New(MapForLookup(), StrictDomainName(false))
- std3 := kind{"STD3", p.ToASCII}
-
- testCases := []struct {
- kind
- input string
- want string
- wantErr string
- }{
- {lengthU, "", "", "A4"}, // From UTS 46 conformance test.
- {lengthA, "", "", "A4"},
-
- {lengthU, "xn--", "", "A4"},
- {lengthU, "foo.xn--", "foo.", "A4"}, // TODO: is dropping xn-- correct?
- {lengthU, "xn--.foo", ".foo", "A4"},
- {lengthU, "foo.xn--.bar", "foo..bar", "A4"},
-
- {display, "xn--", "", ""},
- {display, "foo.xn--", "foo.", ""}, // TODO: is dropping xn-- correct?
- {display, "xn--.foo", ".foo", ""},
- {display, "foo.xn--.bar", "foo..bar", ""},
-
- {lengthA, "a..b", "a..b", "A4"},
- {punyA, ".b", ".b", ""},
- // For backwards compatibility, the Punycode profile does not map runes.
- {punyA, "\u3002b", "xn--b-83t", ""},
- {punyA, "..b", "..b", ""},
- // Only strip leading empty labels for certain profiles. Stripping
- // leading empty labels here but not for "empty" punycode above seems
- // inconsistent, but seems to be applied by both the conformance test
- // and Chrome. So we turn it off by default, support it as an option,
- // and enable it in profiles where it seems commonplace.
- {lengthA, ".b", "b", ""},
- {lengthA, "\u3002b", "b", ""},
- {lengthA, "..b", "b", ""},
- {lengthA, "b..", "b..", ""},
-
- {resolve, "a..b", "a..b", ""},
- {resolve, ".b", "b", ""},
- {resolve, "\u3002b", "b", ""},
- {resolve, "..b", "b", ""},
- {resolve, "b..", "b..", ""},
-
- // Raw punycode
- {punyA, "", "", ""},
- {punyA, "*.foo.com", "*.foo.com", ""},
- {punyA, "Foo.com", "Foo.com", ""},
-
- // STD3 rules
- {display, "*.foo.com", "*.foo.com", "P1"},
- {std3, "*.foo.com", "*.foo.com", ""},
-
- // Don't map U+2490 (DIGIT NINE FULL STOP). This is the behavior of
- // Chrome, Safari, and IE. Firefox will first map ⒐ to 9. and return
- // lab9.be.
- {resolve, "lab⒐be", "xn--labbe-zh9b", "P1"}, // encode("lab⒐be")
- {display, "lab⒐be", "lab⒐be", "P1"},
-
- {resolve, "plan⒐faß.de", "xn--planfass-c31e.de", "P1"}, // encode("plan⒐fass") + ".de"
- {display, "Plan⒐faß.de", "plan⒐faß.de", "P1"},
-
- // Chrome 54.0 recognizes the error and treats this input verbatim as a
- // search string.
- // Safari 10.0 (non-conform spec) decomposes "⒈" and computes the
- // punycode on the result using transitional mapping.
- // Firefox 49.0.1 goes haywire on this string and prints a bunch of what
- // seems to be nested punycode encodings.
- {resolve, "日本⒈co.ßßß.de", "xn--co-wuw5954azlb.ssssss.de", "P1"},
- {display, "日本⒈co.ßßß.de", "日本⒈co.ßßß.de", "P1"},
-
- {resolve, "a\u200Cb", "ab", ""},
- {display, "a\u200Cb", "a\u200Cb", "C"},
-
- {resolve, encode("a\u200Cb"), encode("a\u200Cb"), "C"},
- {display, "a\u200Cb", "a\u200Cb", "C"},
-
- {resolve, "grﻋﺮﺑﻲ.de", "xn--gr-gtd9a1b0g.de", "B"},
- {
- // Notice how the string gets transformed, even with an error.
- // Chrome will use the original string if it finds an error, so not
- // the transformed one.
- display,
- "gr\ufecb\ufeae\ufe91\ufef2.de",
- "gr\u0639\u0631\u0628\u064a.de",
- "B",
- },
-
- {resolve, "\u0671.\u03c3\u07dc", "xn--qib.xn--4xa21s", "B"}, // ٱ.σߜ
- {display, "\u0671.\u03c3\u07dc", "\u0671.\u03c3\u07dc", "B"},
-
- // normalize input
- {resolve, "a\u0323\u0322", "xn--jta191l", ""}, // ạ̢
- {display, "a\u0323\u0322", "\u1ea1\u0322", ""},
-
- // Non-normalized strings are not normalized when they originate from
- // punycode. Despite the error, Chrome, Safari and Firefox will attempt
- // to look up the input punycode.
- {resolve, encode("a\u0323\u0322") + ".com", "xn--a-tdbc.com", "V1"},
- {display, encode("a\u0323\u0322") + ".com", "a\u0323\u0322.com", "V1"},
- }
-
- for _, tc := range testCases {
- doTest(t, tc.f, tc.name, tc.input, tc.want, tc.wantErr)
- }
-}
-
-func TestConformance(t *testing.T) {
- testtext.SkipIfNotLong(t)
-
- r := gen.OpenUnicodeFile("idna", "", "IdnaTest.txt")
- defer r.Close()
-
- section := "main"
- started := false
- p := ucd.New(r, ucd.CommentHandler(func(s string) {
- if started {
- section = strings.ToLower(strings.Split(s, " ")[0])
- }
- }))
- transitional := New(Transitional(true), VerifyDNSLength(true), BidiRule(), MapForLookup())
- nonTransitional := New(VerifyDNSLength(true), BidiRule(), MapForLookup())
- for p.Next() {
- started = true
-
- // What to test
- profiles := []*Profile{}
- switch p.String(0) {
- case "T":
- profiles = append(profiles, transitional)
- case "N":
- profiles = append(profiles, nonTransitional)
- case "B":
- profiles = append(profiles, transitional)
- profiles = append(profiles, nonTransitional)
- }
-
- src := unescape(p.String(1))
-
- wantToUnicode := unescape(p.String(2))
- if wantToUnicode == "" {
- wantToUnicode = src
- }
- wantToASCII := unescape(p.String(3))
- if wantToASCII == "" {
- wantToASCII = wantToUnicode
- }
- wantErrToUnicode := ""
- if strings.HasPrefix(wantToUnicode, "[") {
- wantErrToUnicode = wantToUnicode
- wantToUnicode = ""
- }
- wantErrToASCII := ""
- if strings.HasPrefix(wantToASCII, "[") {
- wantErrToASCII = wantToASCII
- wantToASCII = ""
- }
-
- // TODO: also do IDNA tests.
- // invalidInIDNA2008 := p.String(4) == "NV8"
-
- for _, p := range profiles {
- name := fmt.Sprintf("%s:%s", section, p)
- doTest(t, p.ToUnicode, name+":ToUnicode", src, wantToUnicode, wantErrToUnicode)
- doTest(t, p.ToASCII, name+":ToASCII", src, wantToASCII, wantErrToASCII)
- }
- }
-}
-
-func unescape(s string) string {
- s, err := strconv.Unquote(`"` + s + `"`)
- if err != nil {
- panic(err)
- }
- return s
-}
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