[rspec-users] (no subject)

Matt Wynne matt at mattwynne.net
Fri Feb 27 12:11:18 EST 2009

bloody mailing list lag - three of us answered the same question!

On 27 Feb 2009, at 16:46, Matt Wynne wrote:

> On 27 Feb 2009, at 16:14, Marcus Roberts wrote:
>> Apologies as this feels like an FAQ, but the only answer I can find  
>> refers to a bug in a much earlier version of rspec, and this feels  
>> like a common thing to do, so I suspect we're doing something stupid.
>> The issue seems to be that if we mock a class, that mock carries  
>> between specs when running 'rake spec' - the specs pass when run  
>> individually.
>> In one spec, we mock an active record model:
>> MachineInstance = mock("MachineInstance")
> From this code above, you're setting a constant, 'MachineInstance'.  
> Ruby will keep that constant for subsequent test runs - nothing to  
> do with RSpec.
> Assuming you want to mock an *instance* of your MachineInstance  
> class, use this in your spec:
> machine_instance = mock("MachineInstance")
> AFAIK Ruby uses the case of the first letter to determine whether  
> something's a (global) constant or a (local) variable. You want the  
> latter, I think, so use lower case letters.
> If what you want to do is mock the class itself, that's a different  
> story, and we can talk about that.
> Matt Wynne
> http://blog.mattwynne.net
> http://www.songkick.com
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Matt Wynne

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