[rspec-users] Comparing files

Joseph Wilk joe at josephwilk.net
Fri Dec 10 11:23:31 EST 2010

On Fri, Dec 10, 2010 at 3:56 PM, Matt Wynne <matt at mattwynne.net> wrote:
> Hello folks,
> I'm writing some tests for file upload code. The files are binary, images mostly. I'm futzing around a bit, trying to figure out how to assert that the uploaded file is the same as some golden master. If I do this:
> File.read(uploaded_file_path).should == File.read(path_to_expected_file)
> Then when it fails, I get an ugly diff of the difference between the binary files. So I'm about to invent something of my own. Has anyone got a good pattern for doing this already?

In the past I've generated a checksum for each file and compare that.

Joseph Wilk
+44 (0)7812 816431

> cheers,
> Matt
> matt at mattwynne.net
> 07974 430184
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