Re: [TFUI] TFUI for web applications -- writing reveal() methods

Hristo Deshev <[email protected]> Thu, 25 Aug 2005 22:33:12 +0300
Newsgroups	gmane.comp.programming.test-first-user-interfaces
Message-ID	<[email protected]>
Hi Phlip,


On 8/25/05, Phlip <[email protected]> wrote:
[snip] 

Next, if you simulate a browser (like with HttpUnit), you can put
> together another incomplete reveal() by writing the current page's
> HTML to scratch.html, and raising this in a browser. This technique
> discards DOM interactivity (the simulated JavaScript might not run),
> and it requires scratch.html can see relative paths to its support
> files, such as "/images/penBird.png" or
> "/scripts/myFavoriteScripts.js".



I learned a valuable trick from a coworker of mine: the <base> tag. Adding a 
<base href="http://someUrl.com/"> to your page will base all the relative 
path calculations on the url. You are supposed to place it in your <head> 
section, but browsers will accept it anywhere. I just wrote a simple 
reveal() method in ruby:

def reveal(html, baseUrl)
File.open("output.html", "w") do |output|
output.puts "<base href='#{baseUrl}'>" + html
end
system "cmd.exe /c start output.html"
end

A call like:

reveal page.body, "http://clubs.dir.bg/"

will base all the paths in output.html on the base URL of a popular 
Bulgarian forum site. 

I'd like to second the Watir recommendation. Using it is a piece of cake.

Hristo Deshev
http://muslon.blogspot.com


[Non-text portions of this message have been removed]



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