* lib/test/unit.rb: removed installation instructions.

* lib/test/unit/ui/testrunnermediator.rb: moved the run flag to a more
	  central location.

	* lib/test/unit.rb: ditto.

	* lib/test/unit.rb: extracted the running code in to AutoRunner.

	* lib/test/unit/autorunner.rb: added.

	* lib/test/unit/collector/objectspace.rb: extracted common test
	  collection functionality in to a module.

	* lib/test/unit/collector.rb: ditto; added.

	* test/testunit/collector/test_objectspace.rb: ditto.

	* lib/test/unit/collector/dir.rb: added. Supports collecting tests out
	  of a directory structure.

	* test/testunit/collector/test_dir.rb: added.

	* test/runner.rb: simplified to use the new capabilities.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/test/unit/collector.rb

@@ -0,0 +1,43 @@
+module Test
+  module Unit
+    module Collector
+      def initialize
+        @filters = []
+      end
+
+      def filter=(filters)
+        @filters = case(filters)
+          when Proc
+            [filters]
+          when Array
+            filters
+        end
+      end
+
+      def add_suite(destination, suite)
+        to_delete = suite.tests.find_all{|t| !include?(t)}
+        to_delete.each{|t| suite.delete(t)}
+        destination << suite unless(suite.size == 0)
+      end
+
+      def include?(test)
+        return true if(@filters.empty?)
+        @filters.each do |filter|
+          result = filter[test]
+          if(result.nil?)
+            next
+          elsif(!result)
+            return false
+          else
+            return true
+          end
+        end
+        true
+      end
+
+      def sort(suites)
+        suites.sort_by{|s| s.name}
+      end
+    end
+  end
+end