> @implementation TestThingToTest
> - (void) testThingToTest
> {
> ThingToTest *thing = [[[ThingToTest alloc]init]autorelease];
> [[MockSingletonClass class] poseAs:[SingletonClass]];
> [thing methodToTest] ; // methodToTest uses the mock
> singleton ctor
> // Here's where it would be nice to unposeAs.
> }
> @end
It seems to me that this is not a well-formed test case. If you "unpose",
are you expecting that a *new* singleton is going to be created, or that the
characteristics of the singleton will stop being your mock object and go
back to the original?
In any case, I suspect (though I'm not sure) that you could add a category
in your test case that overwrites the defaultSomething message in the real
singleton class, to return your subclass.
ie,
@interface SingletonClass(TestingOnly)
+ (id)defaultSomething; // overwrite base message handler
@end
Now make defaultSomething return an instance of your MockSingletonClass
which has appropriate gates built in, that can enable/disable itself based
on a boolean you can twiddle via some private method.
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