1 # This file contains a few overrides of Test::Unit behavior that are
 2 # either necessary for the contract library to work correctly or that
 3 # make things a bit more comfortable to use.
 4 #
 5 # These are all for internal use only and thus undocumented.
 6 
 7 
 8 class Contract < Test::Unit::TestCase
 9   module SuiteMixin # :nodoc:
10     # Need to pass along object for test.
11     def run(result, *more, &progress_block)
12       progress_block ||= lambda { |*args| }
13       progress_block.call(Test::Unit::TestCase::STARTED, name)
14       @tests.each do |test|
15         test.run(result, *more, &progress_block)
16       end
17       progress_block.call(Test::Unit::TestCase::FINISHED, name)
18     end
19   end
20 
21   # We need to override a few methods of the suite. (See SuiteMixin)
22   def self.suite() # :nodoc:
23     result = super()
24     result.extend SuiteMixin
25     return result
26   end
27 
28   # We need to run the test suite against a specific Object.
29   def run(result, object = (no_object = true)) # :nodoc:
30     # The test auto runners might try to invoke this. In that case we just 
31     # do nothing.
32     unless no_object
33       @object = object
34       super(result)
35     end
36   end
37 
38   # Having empty contracts makes sense and is not an unexpected situation.
39   def default_test() # :nodoc:
40   end
41 end