I'm working on a series going over the source code for rspec, and I ran into something interesting with ExampleGroup and SharedExampleGroup. I was wondering if anyone could shed light on it. [NOTE: I'm working through the code for my own edification in learning Ruby. Ruby has some features that I think are incredibly cool, so I'm using a concrete implementation (RSpec) as a learning tool to see them implemented. Along the way, I figured I would ask questions that were confusing to me. So, please bear with me and please please please do not take this as criticisms/attacks]
I expected to see SharedExampleGroup < ExampleGroup, but, instead, I saw SharedExampleGroup < Module. This is incredibly confusing to me. I realize that they don't even need to have any relationship to each other since they get their shared functionality through the module ExampleGroupMethods, but it still seems a bit odd to me that they don't have a hierarchical relationship. If there is some hidden meaning, I'd love to hear it. I'll post it as an update to the blog entry, too. Oh, and here are the links to the first few parts of the series if anyone is interested: It looks like I'll be able to get about a post a week on it. part 1: http://www.coreyhaines.com/coreysramblings/2007/12/15/ARubyNewbieLooksThroughRSpecPartIWhatIsThis.aspx part 2: http://www.coreyhaines.com/coreysramblings/2007/12/15/ARubyNewbieLooksThroughRSpecPartIIDescribe.aspx part 3: http://www.coreyhaines.com/coreysramblings/2007/12/22/ARubyNewbieLooksThroughRSpecPartIIIDescribeRedux.aspx part 4: I'm working on this, which is where I noticed the ExampleGroup/SharedExampleGroup thing. -Corey -- http://www.coreyhaines.com The Internet's Premiere source of information about Corey Haines
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