mechanize：Mechanize::Form::CheckBox#query_value

everyday Ruby

以下のような HTML で

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

<form method="get" action="cgi/foo00.cgi" name="form1">
  <input type="checkbox" name="checkbox1" value="foo" />Foo
  <input type="checkbox" name="checkbox1" value="bar" />Bar
  <input type="checkbox" name="checkbox1" value="baz" />Baz
</form>

</body>
</html>
>> require 'mechanize'
=> true
>> agent = Mechanize.new
=> #<Mechanize:0xb7478594 ...
>> page = agent.get('http://127.0.0.1:8080/test14_checkbox.html')
=> #<Mechanize::Page
  ...
>> f = page.form('form1')
=> #<Mechanize::Form
  ...
>> f.checkboxes_with(:name => /checkbox/).each {|x| p x.query_value}
[["checkbox1", "foo"]]
[["checkbox1", "bar"]]
[["checkbox1", "baz"]]
=> [#<Mechanize::Form::CheckBox:0xb746c17c @checked=false, @name="checkbox1", @value="foo", @form=#<Mechanize::Form
 {name "form1"}
 {method "GET"}
 {action "cgi/foo00.cgi"}
 {fields}
 {radiobuttons}
 {checkboxes
  #<Mechanize::Form::CheckBox:0xb746c17c
   @checked=false,
   @name="checkbox1",
   @value="foo">
  #<Mechanize::Form::CheckBox:0xb746c014
   @checked=false,
   @name="checkbox1",
   @value="bar">
  #<Mechanize::Form::CheckBox:0xb746beac
   @checked=false,
   @name="checkbox1",
   @value="baz">}
 {file_uploads}
 {buttons}>
, @node=#<Nokogiri::XML::Element:0x..fdba36136 name="input" attributes=[#<Nokogiri::XML::Attr:0x..fdba2c672 name="type" value="checkbox">, #<Nokogiri::XML::Attr:0x..fdba2c668 name="name" value="checkbox1">, #<Nokogiri::XML::Attr:0x..fdba2c65e name="value" value="foo">]>>, #<Mechanize::Form::CheckBox:0xb746c014 @checked=false, @name="checkbox1", @value="bar", @form=#<Mechanize::Form
 {name "form1"}
 {method "GET"}
 {action "cgi/foo00.cgi"}
 {fields}
 {radiobuttons}
 {checkboxes
  #<Mechanize::Form::CheckBox:0xb746c17c
   @checked=false,
   @name="checkbox1",
   @value="foo">
  #<Mechanize::Form::CheckBox:0xb746c014
   @checked=false,
   @name="checkbox1",
   @value="bar">
  #<Mechanize::Form::CheckBox:0xb746beac
   @checked=false,
   @name="checkbox1",
   @value="baz">}
 {file_uploads}
 {buttons}>
, @node=#<Nokogiri::XML::Element:0x..fdba360e6 name="input" attributes=[#<Nokogiri::XML::Attr:0x..fdba2a304 name="type" value="checkbox">, #<Nokogiri::XML::Attr:0x..fdba2a2fa name="name" value="checkbox1">, #<Nokogiri::XML::Attr:0x..fdba2a2f0 name="value" value="bar">]>>, #<Mechanize::Form::CheckBox:0xb746beac @checked=false, @name="checkbox1", @value="baz", @form=#<Mechanize::Form
 {name "form1"}
 {method "GET"}
 {action "cgi/foo00.cgi"}
 {fields}
 {radiobuttons}
 {checkboxes
  #<Mechanize::Form::CheckBox:0xb746c17c
   @checked=false,
   @name="checkbox1",
   @value="foo">
  #<Mechanize::Form::CheckBox:0xb746c014
   @checked=false,
   @name="checkbox1",
   @value="bar">
  #<Mechanize::Form::CheckBox:0xb746beac
   @checked=false,
   @name="checkbox1",
   @value="baz">}
 {file_uploads}
 {buttons}>
, @node=#<Nokogiri::XML::Element:0x..fdba36032 name="input" attributes=[#<Nokogiri::XML::Attr:0x..fdba27f96 name="type" value="checkbox">, #<Nokogiri::XML::Attr:0x..fdba27f8c name="name" value="checkbox1">, #<Nokogiri::XML::Attr:0x..fdba27f82 name="value" value="baz">]>>]