github.com/bgentry/go@v0.0.0-20150121062915-6cf5a733d54d/src/html/template/html_test.go (about)

     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  
    24  	want := ("&#xfffd;\x01\x02\x03\x04\x05\x06\x07" +
    25  		"\x08&#9;&#10;&#11;&#12;&#13;\x0E\x0F" +
    26  		"\x10\x11\x12\x13\x14\x15\x16\x17" +
    27  		"\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
    28  		`&#32;!&#34;#$%&amp;&#39;()*&#43;,-./` +
    29  		`0123456789:;&lt;&#61;&gt;?` +
    30  		`@ABCDEFGHIJKLMNO` +
    31  		`PQRSTUVWXYZ[\]^_` +
    32  		`&#96;abcdefghijklmno` +
    33  		`pqrstuvwxyz{|}~` + "\u007f" +
    34  		"\u00A0\u0100\u2028\u2029\ufeff&#xfdec;\U0001D11E")
    35  
    36  	got := htmlNospaceEscaper(input)
    37  	if got != want {
    38  		t.Errorf("encode: want\n\t%q\nbut got\n\t%q", want, got)
    39  	}
    40  
    41  	got, want = html.UnescapeString(got), strings.Replace(input, "\x00", "\ufffd", 1)
    42  	if want != got {
    43  		t.Errorf("decode: want\n\t%q\nbut got\n\t%q", want, got)
    44  	}
    45  }
    46  
    47  func TestStripTags(t *testing.T) {
    48  	tests := []struct {
    49  		input, want string
    50  	}{
    51  		{"", ""},
    52  		{"Hello, World!", "Hello, World!"},
    53  		{"foo&amp;bar", "foo&amp;bar"},
    54  		{`Hello <a href="www.example.com/">World</a>!`, "Hello World!"},
    55  		{"Foo <textarea>Bar</textarea> Baz", "Foo Bar Baz"},
    56  		{"Foo <!-- Bar --> Baz", "Foo  Baz"},
    57  		{"<", "<"},
    58  		{"foo < bar", "foo < bar"},
    59  		{`Foo<script type="text/javascript">alert(1337)</script>Bar`, "FooBar"},
    60  		{`Foo<div title="1>2">Bar`, "FooBar"},
    61  		{`I <3 Ponies!`, `I <3 Ponies!`},
    62  		{`<script>foo()</script>`, ``},
    63  	}
    64  
    65  	for _, test := range tests {
    66  		if got := stripTags(test.input); got != test.want {
    67  			t.Errorf("%q: want %q, got %q", test.input, test.want, got)
    68  		}
    69  	}
    70  }
    71  
    72  func BenchmarkHTMLNospaceEscaper(b *testing.B) {
    73  	for i := 0; i < b.N; i++ {
    74  		htmlNospaceEscaper("The <i>quick</i>,\r\n<span style='color:brown'>brown</span> fox jumps\u2028over the <canine class=\"lazy\">dog</canine>")
    75  	}
    76  }
    77  
    78  func BenchmarkHTMLNospaceEscaperNoSpecials(b *testing.B) {
    79  	for i := 0; i < b.N; i++ {
    80  		htmlNospaceEscaper("The_quick,_brown_fox_jumps_over_the_lazy_dog.")
    81  	}
    82  }
    83  
    84  func BenchmarkStripTags(b *testing.B) {
    85  	for i := 0; i < b.N; i++ {
    86  		stripTags("The <i>quick</i>,\r\n<span style='color:brown'>brown</span> fox jumps\u2028over the <canine class=\"lazy\">dog</canine>")
    87  	}
    88  }
    89  
    90  func BenchmarkStripTagsNoSpecials(b *testing.B) {
    91  	for i := 0; i < b.N; i++ {
    92  		stripTags("The quick, brown fox jumps over the lazy dog.")
    93  	}
    94  }