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// Copyright 2011 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 template
import (
"testing"
)
func TestURLNormalizer(t *testing.T) {
tests := []struct {
url, want string
}{
{"", ""},
{
"http://example.com:80/foo/bar?q=foo%20&bar=x+y#frag",
"http://example.com:80/foo/bar?q=foo%20&bar=x+y#frag",
},
{" ", "%20"},
{"%7c", "%7c"},
{"%7C", "%7C"},
{"%2", "%252"},
{"%", "%25"},
{"%z", "%25z"},
{"/foo|bar/%5c\u1234", "/foo%7cbar/%5c%e1%88%b4"},
}
for _, test := range tests {
if got := urlNormalizer(test.url); test.want != got {
t.Errorf("%q: want\n\t%q\nbut got\n\t%q", test.url, test.want, got)
}
if test.want != urlNormalizer(test.want) {
t.Errorf("not idempotent: %q", test.want)
}
}
}
func TestURLFilters(t *testing.T) {
input := ("\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f" +
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
` !"#$%&'()*+,-./` +
`0123456789:;<=>?` +
`@ABCDEFGHIJKLMNO` +
`PQRSTUVWXYZ[\]^_` +
"`abcdefghijklmno" +
"pqrstuvwxyz{|}~\x7f" +
"\u00A0\u0100\u2028\u2029\ufeff\U0001D11E")
tests := []struct {
name string
escaper func(...any) string
escaped string
}{
{
"urlEscaper",
urlEscaper,
"%00%01%02%03%04%05%06%07%08%09%0a%0b%0c%0d%0e%0f" +
"%10%11%12%13%14%15%16%17%18%19%1a%1b%1c%1d%1e%1f" +
"%20%21%22%23%24%25%26%27%28%29%2a%2b%2c-.%2f" +
"0123456789%3a%3b%3c%3d%3e%3f" +
"%40ABCDEFGHIJKLMNO" +
"PQRSTUVWXYZ%5b%5c%5d%5e_" +
"%60abcdefghijklmno" +
"pqrstuvwxyz%7b%7c%7d~%7f" +
"%c2%a0%c4%80%e2%80%a8%e2%80%a9%ef%bb%bf%f0%9d%84%9e",
},
{
"urlNormalizer",
urlNormalizer,
"%00%01%02%03%04%05%06%07%08%09%0a%0b%0c%0d%0e%0f" +
"%10%11%12%13%14%15%16%17%18%19%1a%1b%1c%1d%1e%1f" +
"%20!%22#$%25&%27%28%29*+,-./" +
"0123456789:;%3c=%3e?" +
"@ABCDEFGHIJKLMNO" +
"PQRSTUVWXYZ[%5c]%5e_" +
"%60abcdefghijklmno" +
"pqrstuvwxyz%7b%7c%7d~%7f" +
"%c2%a0%c4%80%e2%80%a8%e2%80%a9%ef%bb%bf%f0%9d%84%9e",
},
}
for _, test := range tests {
if s := test.escaper(input); s != test.escaped {
t.Errorf("%s: want\n\t%q\ngot\n\t%q", test.name, test.escaped, s)
continue
}
}
}
func TestSrcsetFilter(t *testing.T) {
tests := []struct {
name string
input string
want string
}{
{
"one ok",
"http://example.com/img.png",
"http://example.com/img.png",
},
{
"one ok with metadata",
" /img.png 200w",
" /img.png 200w",
},
{
"one bad",
"javascript:alert(1) 200w",
"#ZgotmplZ",
},
{
"two ok",
"foo.png, bar.png",
"foo.png, bar.png",
},
{
"left bad",
"javascript:alert(1), /foo.png",
"#ZgotmplZ, /foo.png",
},
{
"right bad",
"/bogus#, javascript:alert(1)",
"/bogus#,#ZgotmplZ",
},
}
for _, test := range tests {
if got := srcsetFilterAndEscaper(test.input); got != test.want {
t.Errorf("%s: srcsetFilterAndEscaper(%q) want %q != %q", test.name, test.input, test.want, got)
}
}
}
func BenchmarkURLEscaper(b *testing.B) {
for i := 0; i < b.N; i++ {
urlEscaper("http://example.com:80/foo?q=bar%20&baz=x+y#frag")
}
}
func BenchmarkURLEscaperNoSpecials(b *testing.B) {
for i := 0; i < b.N; i++ {
urlEscaper("TheQuickBrownFoxJumpsOverTheLazyDog.")
}
}
func BenchmarkURLNormalizer(b *testing.B) {
for i := 0; i < b.N; i++ {
urlNormalizer("The quick brown fox jumps over the lazy dog.\n")
}
}
func BenchmarkURLNormalizerNoSpecials(b *testing.B) {
for i := 0; i < b.N; i++ {
urlNormalizer("http://example.com:80/foo?q=bar%20&baz=x+y#frag")
}
}
func BenchmarkSrcsetFilter(b *testing.B) {
for i := 0; i < b.N; i++ {
srcsetFilterAndEscaper(" /foo/bar.png 200w, /baz/boo(1).png")
}
}
func BenchmarkSrcsetFilterNoSpecials(b *testing.B) {
for i := 0; i < b.N; i++ {
srcsetFilterAndEscaper("http://example.com:80/foo?q=bar%20&baz=x+y#frag")
}
}
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