From: Jeff Wood <jeff.darklight@...>
Date: 2005-08-27T07:30:53+09:00
Subject: Re: Asserting files are not different in Test::Unit?

Hows about

assert( FileUtils.compare_file('somefile', 'somefile')  )

j.

On 8/26/05, David Brady <ruby_talk@shinybit.com> wrote:
> I am writing some document generation classes now, and testing them with
> Test::Unit.  The documents are 20-50k in size, and as a good initial
> test I'd like to simply generate a document and compare it against the
> output of the existing document generator.
> 
> What are some good Rubyish ways of doing this?
> 
> Is there a Ruby Way to diff text files?
> 
> Is there a Ruby Way to assert that two text files are the same?
> 
> I suppose I could just write a wrapper to a system call to diff.
> 
> Alternately, I could wrapper a method in Test::Unit to read a file into
> a gigantic string, and assert_equal that against the contents of another
> string.  The fail message from this, however, would not only be useless
> (100k of text to the console!), but would blind the system to other fail
> messages useless as well.
> 
> Thoughts?
> 
> -dB
> 
> --
> David Brady
> ruby_talk@shinybit.com
> I'm feeling really surreal today... OR AM I?
> 
> 
> 


-- 
"So long, and thanks for all the fish"

Jeff Wood