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Source file src/html/template/html_test.go

Documentation: html/template

  // 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 (
  	"html"
  	"strings"
  	"testing"
  )
  
  func TestHTMLNospaceEscaper(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\ufdec\U0001D11E" +
  		"erroneous\x960") // keep at the end
  
  	want := ("&#xfffd;\x01\x02\x03\x04\x05\x06\x07" +
  		"\x08&#9;&#10;&#11;&#12;&#13;\x0E\x0F" +
  		"\x10\x11\x12\x13\x14\x15\x16\x17" +
  		"\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
  		`&#32;!&#34;#$%&amp;&#39;()*&#43;,-./` +
  		`0123456789:;&lt;&#61;&gt;?` +
  		`@ABCDEFGHIJKLMNO` +
  		`PQRSTUVWXYZ[\]^_` +
  		`&#96;abcdefghijklmno` +
  		`pqrstuvwxyz{|}~` + "\u007f" +
  		"\u00A0\u0100\u2028\u2029\ufeff&#xfdec;\U0001D11E" +
  		"erroneous&#xfffd;0") // keep at the end
  
  	got := htmlNospaceEscaper(input)
  	if got != want {
  		t.Errorf("encode: want\n\t%q\nbut got\n\t%q", want, got)
  	}
  
  	r := strings.NewReplacer("\x00", "\ufffd", "\x96", "\ufffd")
  	got, want = html.UnescapeString(got), r.Replace(input)
  	if want != got {
  		t.Errorf("decode: want\n\t%q\nbut got\n\t%q", want, got)
  	}
  }
  
  func TestStripTags(t *testing.T) {
  	tests := []struct {
  		input, want string
  	}{
  		{"", ""},
  		{"Hello, World!", "Hello, World!"},
  		{"foo&amp;bar", "foo&amp;bar"},
  		{`Hello <a href="www.example.com/">World</a>!`, "Hello World!"},
  		{"Foo <textarea>Bar</textarea> Baz", "Foo Bar Baz"},
  		{"Foo <!-- Bar --> Baz", "Foo  Baz"},
  		{"<", "<"},
  		{"foo < bar", "foo < bar"},
  		{`Foo<script type="text/javascript">alert(1337)</script>Bar`, "FooBar"},
  		{`Foo<div title="1>2">Bar`, "FooBar"},
  		{`I <3 Ponies!`, `I <3 Ponies!`},
  		{`<script>foo()</script>`, ``},
  	}
  
  	for _, test := range tests {
  		if got := stripTags(test.input); got != test.want {
  			t.Errorf("%q: want %q, got %q", test.input, test.want, got)
  		}
  	}
  }
  
  func BenchmarkHTMLNospaceEscaper(b *testing.B) {
  	for i := 0; i < b.N; i++ {
  		htmlNospaceEscaper("The <i>quick</i>,\r\n<span style='color:brown'>brown</span> fox jumps\u2028over the <canine class=\"lazy\">dog</canine>")
  	}
  }
  
  func BenchmarkHTMLNospaceEscaperNoSpecials(b *testing.B) {
  	for i := 0; i < b.N; i++ {
  		htmlNospaceEscaper("The_quick,_brown_fox_jumps_over_the_lazy_dog.")
  	}
  }
  
  func BenchmarkStripTags(b *testing.B) {
  	for i := 0; i < b.N; i++ {
  		stripTags("The <i>quick</i>,\r\n<span style='color:brown'>brown</span> fox jumps\u2028over the <canine class=\"lazy\">dog</canine>")
  	}
  }
  
  func BenchmarkStripTagsNoSpecials(b *testing.B) {
  	for i := 0; i < b.N; i++ {
  		stripTags("The quick, brown fox jumps over the lazy dog.")
  	}
  }
  

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