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cascadia_test.go
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cascadia_test.go
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package main
import (
"bytes"
"strings"
"testing"
)
func TestSelectors(t *testing.T) {
for _, test := range selectorTests {
buf := bytes.NewBufferString("")
Opts.CSS, Opts.Piece, Opts.Deli,
Opts.WrapHTML, Opts.TextOut, Opts.TextRaw, Opts.Quiet =
[]string{test.selector}, PieceStyleMap{}, ",",
false, false, false, false
Cascadia(strings.NewReader(test.HTML), buf, Opts)
got := buf.String()
if len(got) == 0 && len(test.results) == 0 {
// correct
continue
}
want := strings.Join(test.results, "\n") + "\n"
if got != want {
t.Errorf("wanted %s, got %s instead", want, got)
}
}
}
// //////////////////////////////////////////////////////////////////////////
// The following is taken from
// https://github.com/andybalholm/cascadia/blob/c56252c33997d9b9991f4c1e3b5fbc82d6d656b3/selector_test.go
type selectorTest struct {
HTML, selector string
results []string
}
var selectorTests = []selectorTest{
{
`<html><head></head><body></body></html>`,
"*",
[]string{
"<html><head></head><body></body></html>",
"<head></head>",
"<body></body>",
},
},
{
`<p id="foo"><p id="bar">`,
"#foo",
[]string{
`<p id="foo"></p>`,
},
},
{
`<ul><li id="t1"><p id="t1">`,
"li#t1",
[]string{
`<li id="t1"><p id="t1"></p></li>`,
},
},
{
`<ol><li id="t4"><li id="t44">`,
"*#t4",
[]string{
`<li id="t4"></li>`,
},
},
{
`<ul><li class="t1"><li class="t2">`,
".t1",
[]string{
`<li class="t1"></li>`,
},
},
{
`<p class="t1 t2">`,
"p.t1",
[]string{
`<p class="t1 t2"></p>`,
},
},
{
`<div class="test">`,
"div.teST",
[]string{},
},
{
`<p class="t1 t2">`,
".t1.fail",
[]string{},
},
{
`<p class="t1 t2">`,
"p.t1.t2",
[]string{
`<p class="t1 t2"></p>`,
},
},
{
`<p><p title="title">`,
"p[title]",
[]string{
`<p title="title"></p>`,
},
},
{
`<address><address title="foo"><address title="bar">`,
`address[title="foo"]`,
[]string{
`<address title="foo"><address title="bar"></address></address>`,
},
},
{
`<address><address title="foo"><address title="bar">`,
`address[title!="foo"]`,
[]string{
`<address><address title="foo"><address title="bar"></address></address></address>`,
`<address title="bar"></address>`,
},
},
{
`<p title="tot foo bar">`,
`[ title ~= foo ]`,
[]string{
`<p title="tot foo bar"></p>`,
},
},
{
`<p title="hello world">`,
`[title~="hello world"]`,
[]string{},
},
{
`<p lang="en"><p lang="en-gb"><p lang="enough"><p lang="fr-en">`,
`[lang|="en"]`,
[]string{
`<p lang="en"></p>`,
`<p lang="en-gb"></p>`,
},
},
{
`<p title="foobar"><p title="barfoo">`,
`[title^="foo"]`,
[]string{
`<p title="foobar"></p>`,
},
},
{
`<p title="foobar"><p title="barfoo">`,
`[title$="bar"]`,
[]string{
`<p title="foobar"></p>`,
},
},
{
`<p title="foobarufoo">`,
`[title*="bar"]`,
[]string{
`<p title="foobarufoo"></p>`,
},
},
{
`<input type="radio" name="Sex" value="F"/>`,
`input[name=Sex][value=F]`,
[]string{
`<input type="radio" name="Sex" value="F"/>`,
},
},
{
`<table border="0" cellpadding="0" cellspacing="0" style="table-layout: fixed; width: 100%; border: 0 dashed; border-color: #FFFFFF"><tr style="height:64px">aaa</tr></table>`,
`table[border="0"][cellpadding="0"][cellspacing="0"]`,
[]string{
`<table border="0" cellpadding="0" cellspacing="0" style="table-layout: fixed; width: 100%; border: 0 dashed; border-color: #FFFFFF"><tbody><tr style="height:64px"></tr></tbody></table>`,
},
},
{
`<p class="t1 t2">`,
".t1:not(.t2)",
[]string{},
},
{
`<div class="t3">`,
`div:not(.t1)`,
[]string{
`<div class="t3"></div>`,
},
},
{
`<div><div class="t2"><div class="t3">`,
`div:not([class="t2"])`,
[]string{
`<div><div class="t2"><div class="t3"></div></div></div>`,
`<div class="t3"></div>`,
},
},
{
`<ol><li id=1><li id=2><li id=3></ol>`,
`li:nth-child(odd)`,
[]string{
`<li id="1"></li>`,
`<li id="3"></li>`,
},
},
{
`<ol><li id=1><li id=2><li id=3></ol>`,
`li:nth-child(even)`,
[]string{
`<li id="2"></li>`,
},
},
{
`<ol><li id=1><li id=2><li id=3></ol>`,
`li:nth-child(-n+2)`,
[]string{
`<li id="1"></li>`,
`<li id="2"></li>`,
},
},
{
`<ol><li id=1><li id=2><li id=3></ol>`,
`li:nth-child(3n+1)`,
[]string{
`<li id="1"></li>`,
},
},
{
`<ol><li id=1><li id=2><li id=3><li id=4></ol>`,
`li:nth-last-child(odd)`,
[]string{
`<li id="2"></li>`,
`<li id="4"></li>`,
},
},
{
`<ol><li id=1><li id=2><li id=3><li id=4></ol>`,
`li:nth-last-child(even)`,
[]string{
`<li id="1"></li>`,
`<li id="3"></li>`,
},
},
{
`<ol><li id=1><li id=2><li id=3><li id=4></ol>`,
`li:nth-last-child(-n+2)`,
[]string{
`<li id="3"></li>`,
`<li id="4"></li>`,
},
},
{
`<ol><li id=1><li id=2><li id=3><li id=4></ol>`,
`li:nth-last-child(3n+1)`,
[]string{
`<li id="1"></li>`,
`<li id="4"></li>`,
},
},
{
`<p>some text <span id="1">and a span</span><span id="2"> and another</span></p>`,
`span:first-child`,
[]string{
`<span id="1">and a span</span>`,
},
},
{
`<span>a span</span> and some text`,
`span:last-child`,
[]string{
`<span>a span</span>`,
},
},
{
`<address></address><p id=1><p id=2>`,
`p:nth-of-type(2)`,
[]string{
`<p id="2"></p>`,
},
},
{
`<address></address><p id=1><p id=2></p><a>`,
`p:nth-last-of-type(2)`,
[]string{
`<p id="1"></p>`,
},
},
{
`<address></address><p id=1><p id=2></p><a>`,
`p:last-of-type`,
[]string{
`<p id="2"></p>`,
},
},
{
`<address></address><p id=1><p id=2></p><a>`,
`p:first-of-type`,
[]string{
`<p id="1"></p>`,
},
},
{
`<div><p id="1"></p><a></a></div><div><p id="2"></p></div>`,
`p:only-child`,
[]string{
`<p id="2"></p>`,
},
},
{
`<div><p id="1"></p><a></a></div><div><p id="2"></p><p id="3"></p></div>`,
`p:only-of-type`,
[]string{
`<p id="1"></p>`,
},
},
{
`<p id="1"><!-- --><p id="2">Hello<p id="3"><span>`,
`:empty`,
[]string{
`<head></head>`,
`<p id="1"><!-- --></p>`,
`<span></span>`,
},
},
{
`<div><p id="1"><table><tr><td><p id="2"></table></div><p id="3">`,
`div p`,
[]string{
`<p id="1"><table><tbody><tr><td><p id="2"></p></td></tr></tbody></table></p>`,
`<p id="2"></p>`,
},
},
{
`<div><p id="1"><table><tr><td><p id="2"></table></div><p id="3">`,
`div table p`,
[]string{
`<p id="2"></p>`,
},
},
{
`<div><p id="1"><div><p id="2"></div><table><tr><td><p id="3"></table></div>`,
`div > p`,
[]string{
`<p id="1"></p>`,
`<p id="2"></p>`,
},
},
{
`<p id="1"><p id="2"></p><address></address><p id="3">`,
`p ~ p`,
[]string{
`<p id="2"></p>`,
`<p id="3"></p>`,
},
},
{
`<p id="1"></p>
<!--comment-->
<p id="2"></p><address></address><p id="3">`,
`p + p`,
[]string{
`<p id="2"></p>`,
},
},
{
`<ul><li></li><li></li></ul><p>`,
`li, p`,
[]string{
"<li></li>",
"<li></li>",
"<p></p>",
},
},
{
`<p id="1"><p id="2"></p><address></address><p id="3">`,
`p +/*This is a comment*/ p`,
[]string{
`<p id="2"></p>`,
},
},
{
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
`p:contains("that wraps")`,
[]string{
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
},
},
{
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
`p:containsOwn("that wraps")`,
[]string{},
},
{
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
`:containsOwn("inner")`,
[]string{
`<span>wraps inner text</span>`,
},
},
{
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
`p:containsOwn("block")`,
[]string{
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
},
},
{
`<div id="d1"><p id="p1"><span>text content</span></p></div><div id="d2"/>`,
`div:has(#p1)`,
[]string{
`<div id="d1"><p id="p1"><span>text content</span></p></div>`,
},
},
{
`<div id="d1"><p id="p1"><span>contents 1</span></p></div>
<div id="d2"><p>contents <em>2</em></p></div>`,
`div:has(:containsOwn("2"))`,
[]string{
`<div id="d2"><p>contents <em>2</em></p></div>`,
},
},
{
`<body><div id="d1"><p id="p1"><span>contents 1</span></p></div>
<div id="d2"><p id="p2">contents <em>2</em></p></div></body>`,
`body :has(:containsOwn("2"))`,
[]string{
`<div id="d2"><p id="p2">contents <em>2</em></p></div>`,
`<p id="p2">contents <em>2</em></p>`,
},
},
{
`<body><div id="d1"><p id="p1"><span>contents 1</span></p></div>
<div id="d2"><p id="p2">contents <em>2</em></p></div></body>`,
`body :haschild(:containsOwn("2"))`,
[]string{
`<p id="p2">contents <em>2</em></p>`,
},
},
{
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
`p:matches([\d])`,
[]string{
`<p id="p1">0123456789</p>`,
`<p id="p3">0123ABCD</p>`,
},
},
{
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
`p:matches([a-z])`,
[]string{
`<p id="p2">abcdef</p>`,
},
},
{
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
`p:matches([a-zA-Z])`,
[]string{
`<p id="p2">abcdef</p>`,
`<p id="p3">0123ABCD</p>`,
},
},
{
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
`p:matches([^\d])`,
[]string{
`<p id="p2">abcdef</p>`,
`<p id="p3">0123ABCD</p>`,
},
},
{
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
`p:matches(^(0|a))`,
[]string{
`<p id="p1">0123456789</p>`,
`<p id="p2">abcdef</p>`,
`<p id="p3">0123ABCD</p>`,
},
},
{
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
`p:matches(^\d+$)`,
[]string{
`<p id="p1">0123456789</p>`,
},
},
{
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
`p:not(:matches(^\d+$))`,
[]string{
`<p id="p2">abcdef</p>`,
`<p id="p3">0123ABCD</p>`,
},
},
{
`<div><p id="p1">01234<em>567</em>89</p><div>`,
`div :matchesOwn(^\d+$)`,
[]string{
`<p id="p1">01234<em>567</em>89</p>`,
`<em>567</em>`,
},
},
{
`<ul>
<li><a id="a1" href="http://www.google.com/finance"></a>
<li><a id="a2" href="http://finance.yahoo.com/"></a>
<li><a id="a2" href="http://finance.untrusted.com/"/>
<li><a id="a3" href="https://www.google.com/news"/>
<li><a id="a4" href="http://news.yahoo.com"/>
</ul>`,
`[href#=(fina)]:not([href#=(\/\/[^\/]+untrusted)])`,
[]string{
`<a id="a1" href="http://www.google.com/finance"></a>`,
`<a id="a2" href="http://finance.yahoo.com/"></a>`,
},
},
{
`<ul>
<li><a id="a1" href="http://www.google.com/finance"/>
<li><a id="a2" href="http://finance.yahoo.com/"/>
<li><a id="a3" href="https://www.google.com/news"></a>
<li><a id="a4" href="http://news.yahoo.com"/>
</ul>`,
`[href#=(^https:\/\/[^\/]*\/?news)]`,
[]string{
`<a id="a3" href="https://www.google.com/news"></a>`,
},
},
{
`<form>
<label>Username <input type="text" name="username" /></label>
<label>Password <input type="password" name="password" /></label>
<label>Country
<select name="country">
<option value="ca">Canada</option>
<option value="us">United States</option>
</select>
</label>
<label>Bio <textarea name="bio"></textarea></label>
<button>Sign up</button>
</form>`,
`:input`,
[]string{
`<input type="text" name="username"/>`,
`<input type="password" name="password"/>`,
`<select name="country">
<option value="ca">Canada</option>
<option value="us">United States</option>
</select>`,
`<textarea name="bio"></textarea>`,
`<button>Sign up</button>`,
},
},
}