mechanize：Mechanize::Page::Label#for

everyday Ruby

以下のような HTML で

<html>
<head>
<title>label test</title>
</head>
<body>

<form method="post" action="cgi/test_form00.cgi" name="form1">
 <input type="radio" name="radio1" id="r1" value="male" checked="checked"><label for="r1">Male</label>
 <input type="radio" name="radio1" id="r2" value="female"><label for="r2">Female</label>
</form>

</body>
</html>
>> require 'mechanize'
=> true
>> agent = Mechanize.new
=> #<Mechanize:0xb744d538 ...
>> page = agent.get('http://127.0.0.1:8080/test05_label.html')
=> #<Mechanize::Page
 {url #<URI::HTTP:0xb7449c1c URL:http://127.0.0.1:8080/test05_label.html>}
 {meta}
 {title "label test"}
 {iframes}
 {frames}
 {links}
 {forms
  #<Mechanize::Form
   {name "form1"}
   {method "POST"}
   {action "cgi/test_form00.cgi"}
   {fields}
   {radiobuttons
    #<Mechanize::Form::RadioButton:0xb7441134
     @checked=true,
     @name="radio1",
     @value="male">
    #<Mechanize::Form::RadioButton:0xb7440fcc
     @checked=false,
     @name="radio1",
     @value="female">}
   {checkboxes}
   {file_uploads}
   {buttons}>}>

>> page.labels[0].for
=> [#<Nokogiri::XML::Element:0x..fdba20908 name="input" attributes=[#<Nokogiri::XML::Attr:0x..fdba1a38c name="type" value="radio">, #<Nokogiri::XML::Attr:0x..fdba1a382 name="name" value="radio1">, #<Nokogiri::XML::Attr:0x..fdba1a378 name="id" value="r1">, #<Nokogiri::XML::Attr:0x..fdba1a36e name="value" value="male">, #<Nokogiri::XML::Attr:0x..fdba1a364 name="checked" value="checked">]>]
>> page.labels[1].for
=> [#<Nokogiri::XML::Element:0x..fdba208b8 name="input" attributes=[#<Nokogiri::XML::Attr:0x..fdba18b72 name="type" value="radio">, #<Nokogiri::XML::Attr:0x..fdba18b68 name="name" value="radio1">, #<Nokogiri::XML::Attr:0x..fdba18b5e name="id" value="r2">, #<Nokogiri::XML::Attr:0x..fdba18b54 name="value" value="female">]>]