html_test.go

Documentation: html/template

		 1  // Copyright 2011 The Go Authors. All rights reserved.
		 2  // Use of this source code is governed by a BSD-style
		 3  // license that can be found in the LICENSE file.
		 4  
		 5  package template
		 6  
		 7  import (
		 8  	"html"
		 9  	"strings"
		10  	"testing"
		11  )
		12  
		13  func TestHTMLNospaceEscaper(t *testing.T) {
		14  	input := ("\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f" +
		15  		"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
		16  		` !"#$%&'()*+,-./` +
		17  		`0123456789:;<=>?` +
		18  		`@ABCDEFGHIJKLMNO` +
		19  		`PQRSTUVWXYZ[\]^_` +
		20  		"`abcdefghijklmno" +
		21  		"pqrstuvwxyz{|}~\x7f" +
		22  		"\u00A0\u0100\u2028\u2029\ufeff\ufdec\U0001D11E" +
		23  		"erroneous\x960") // keep at the end
		24  
		25  	want := ("&#xfffd;\x01\x02\x03\x04\x05\x06\x07" +
		26  		"\x08&#9;&#10;&#11;&#12;&#13;\x0E\x0F" +
		27  		"\x10\x11\x12\x13\x14\x15\x16\x17" +
		28  		"\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
		29  		`&#32;!&#34;#$%&amp;&#39;()*&#43;,-./` +
		30  		`0123456789:;&lt;&#61;&gt;?` +
		31  		`@ABCDEFGHIJKLMNO` +
		32  		`PQRSTUVWXYZ[\]^_` +
		33  		`&#96;abcdefghijklmno` +
		34  		`pqrstuvwxyz{|}~` + "\u007f" +
		35  		"\u00A0\u0100\u2028\u2029\ufeff&#xfdec;\U0001D11E" +
		36  		"erroneous&#xfffd;0") // keep at the end
		37  
		38  	got := htmlNospaceEscaper(input)
		39  	if got != want {
		40  		t.Errorf("encode: want\n\t%q\nbut got\n\t%q", want, got)
		41  	}
		42  
		43  	r := strings.NewReplacer("\x00", "\ufffd", "\x96", "\ufffd")
		44  	got, want = html.UnescapeString(got), r.Replace(input)
		45  	if want != got {
		46  		t.Errorf("decode: want\n\t%q\nbut got\n\t%q", want, got)
		47  	}
		48  }
		49  
		50  func TestStripTags(t *testing.T) {
		51  	tests := []struct {
		52  		input, want string
		53  	}{
		54  		{"", ""},
		55  		{"Hello, World!", "Hello, World!"},
		56  		{"foo&amp;bar", "foo&amp;bar"},
		57  		{`Hello <a href="www.example.com/">World</a>!`, "Hello World!"},
		58  		{"Foo <textarea>Bar</textarea> Baz", "Foo Bar Baz"},
		59  		{"Foo <!-- Bar --> Baz", "Foo	Baz"},
		60  		{"<", "<"},
		61  		{"foo < bar", "foo < bar"},
		62  		{`Foo<script type="text/javascript">alert(1337)</script>Bar`, "FooBar"},
		63  		{`Foo<div title="1>2">Bar`, "FooBar"},
		64  		{`I <3 Ponies!`, `I <3 Ponies!`},
		65  		{`<script>foo()</script>`, ``},
		66  	}
		67  
		68  	for _, test := range tests {
		69  		if got := stripTags(test.input); got != test.want {
		70  			t.Errorf("%q: want %q, got %q", test.input, test.want, got)
		71  		}
		72  	}
		73  }
		74  
		75  func BenchmarkHTMLNospaceEscaper(b *testing.B) {
		76  	for i := 0; i < b.N; i++ {
		77  		htmlNospaceEscaper("The <i>quick</i>,\r\n<span style='color:brown'>brown</span> fox jumps\u2028over the <canine class=\"lazy\">dog</canine>")
		78  	}
		79  }
		80  
		81  func BenchmarkHTMLNospaceEscaperNoSpecials(b *testing.B) {
		82  	for i := 0; i < b.N; i++ {
		83  		htmlNospaceEscaper("The_quick,_brown_fox_jumps_over_the_lazy_dog.")
		84  	}
		85  }
		86  
		87  func BenchmarkStripTags(b *testing.B) {
		88  	for i := 0; i < b.N; i++ {
		89  		stripTags("The <i>quick</i>,\r\n<span style='color:brown'>brown</span> fox jumps\u2028over the <canine class=\"lazy\">dog</canine>")
		90  	}
		91  }
		92  
		93  func BenchmarkStripTagsNoSpecials(b *testing.B) {
		94  	for i := 0; i < b.N; i++ {
		95  		stripTags("The quick, brown fox jumps over the lazy dog.")
		96  	}
		97  }
		98
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