GH-Unit for unit testing Objective-C code, why am I getting linking errors?

Question

I\'m trying to dive into the quite frankly terrible world of unit testing using Xcode (such a convoluted process it seems.)

Basically I have this test class, attempt

Answer 1

You have to have an @implementation for Show.

Or you could use

Show* s = [[objc_getClass("Show") alloc] init];
...

or

Show* s = [[NSClassFromString(@"Show") alloc] init];
...

to resolving the class in run-time.