Re: [Rubycocoa-talk] Unit Testing Objective-C classes with RubyCocoa

[Rod S. <rsc...@xm...>]

I'm not overriding anything and Objective-C doesn't have a chomp  
method so I don't know why it's complaining.

Rod

On Mar 4, 2008, at 9:17 AM, Eloy Duran wrote:

> Hi Rod,
>
> Not sure where the overriding of #chomp happens and/or that's  
> supposed to happen...?
> But anyways, if you want to be able to override stuff without RC  
> complaining about
> the arity you should do the following somewhere before you start  
> your tests:
>
> def OSX._ignore_ns_override; true; end
>
> Cheers,
> Eloy
>
> On Mar 4, 2008, at 8:04 AM, Rod Schmidt wrote:
>
>> I'm trying to do some unit testing with RubyCocoa and am having  
>> some problems. I have a main program like so:
>>
>> int main(int argc, const char *argv[])
>> {
>> 	return RBApplicationMain("../../PackRat/source/tests/ 
>> rb_testmain.rb", argc, argv);
>> }
>>
>>
>> rb_testmain.rb is:
>>
>> require 'osx/cocoa'
>> require 'test/unit/ui/console/testrunner'
>>
>> OSX.ns_import :Backpack
>>
>> class TC_PackRatTests < Test::Unit::TestCase
>>   def setup
>> 	@backpack = Backpack.alloc.initWithSitename_token_ssl('username',  
>> '', false);
>>   end
>>
>>   def teardown
>>     # Write teardown code here.
>>   end
>>
>>   def test1
>>     # Write first test here.
>>   end
>> end
>>
>> if $0 == __FILE__ then
>>   Test::Unit::UI::Console::TestRunner.run(TC_PackRatTests)
>> end
>>
>> When I run the program I get the following:
>>
>> /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/objc/ 
>> oc_import.rb:323:in `_ns_behavior_method_added': Cannot override  
>> Objective-C method 'chomp' with Ruby method #chomp, they should  
>> both have the same number of arguments. (expected arity 0, got -1)  
>> (RuntimeError)
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/oc_import.rb:646:in `method_added'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/oc_import.rb:718:in `define_method'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/oc_import.rb:718:in `_register_method'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/oc_import.rb:716:in `module_eval'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/oc_import.rb:716:in `_register_method'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/oc_import.rb:730:in `method_added'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/oc_attachments.rb:363
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/oc_all.rb:12:in `require'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/oc_all.rb:12
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/foundation.rb:8:in `require'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/foundation.rb:8
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/cocoa.rb:8:in `require'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> objc/cocoa.rb:8
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> cocoa.rb:8:in `require'
>> 	from /Library/Frameworks/RubyCocoa.framework/Resources/ruby/osx/ 
>> cocoa.rb:8
>> 	from /Users/rod/Development/Projects/infiniteNIL/Build/Debug/../../ 
>> PackRat/source/tests/rb_testmain.rb:9:in `require'
>> 	from /Users/rod/Development/Projects/infiniteNIL/Build/Debug/../../ 
>> PackRat/source/tests/rb_testmain.rb:9
>>
>> If I uncomment the require 'osx/cocoa' then it works, except of  
>> course ns_import fails because it doesn't know the method. Anybody  
>> know why I'm getting this error?
>>
>> Thanks,
>>
>> Rod
>>
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