mechanize：Mechanize::Page#iframe_with

everyday Ruby

以下のような HTML で

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

<iframe src="iframe1.html" name="i1" width="200" height="100">foo</iframe>
<iframe src="iframe2.html" name="i2" width="400" height="300">bar</iframe>

</body>
</html>
>> require 'mechanize'
=> true
>> agent = Mechanize.new
=> #<Mechanize:0xb748c2d8 ...
>> page = agent.get('http://127.0.0.1:8080/test03_iframe.html')
=> #<Mechanize::Page
 {url #<URI::HTTP:0xb7488958 URL:http://127.0.0.1:8080/test03_iframe.html>}
 {meta}
 {title "iframe test"}
 {iframes
  #<Mechanize::Page::Frame "i1" "iframe1.html">
  #<Mechanize::Page::Frame "i2" "iframe2.html">}
 {frames}
 {links}
 {forms}>

>> page.iframe_with(:src => //) {|f| p f}
#<Mechanize::Page::Frame "i1" "iframe1.html">

=> #<Mechanize::Page::Frame "i1" "iframe1.html">

>> page.iframe_with(:width => "200") {|f| p f}
NoMethodError: undefined method `width' for #<Mechanize::Page::Frame "i1" "iframe1.html">
  ...
>> page.iframe_with(:src => //) {|f| puts f.src }
iframe1.html
=> #<Mechanize::Page::Frame "i1" "iframe1.html">