Initial revision

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@3477 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 75 insertions, 0 deletions

diff --git a/lib/test/unit/ui/testrunnermediator.rb b/lib/test/unit/ui/testrunnermediator.rb
new file mode 100644
index 000000000..41c77dc7a
--- /dev/null
+++ b/lib/test/unit/ui/testrunnermediator.rb
@@ -0,0 +1,75 @@
+# :nodoc:
+#
+# Author:: Nathaniel Talbott.
+# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
+# License:: Ruby license.
+
+require 'test/unit/util/observable'
+require 'test/unit/testresult'
+
+module Test
+  module Unit
+    module UI # :nodoc:
+
+      # Provides an interface to write any given UI against,
+      # hopefully making it easy to write new UIs.
+      class TestRunnerMediator
+        RESET = name + "::RESET"
+        STARTED = name + "::STARTED"
+        FINISHED = name + "::FINISHED"
+        
+        include Util::Observable
+        
+        @@run = false
+
+        # Returns true if any TestRunnerMediator instances
+        # have been run.
+        def self.run?
+          return @@run
+        end
+
+        # Creates a new TestRunnerMediator initialized to run
+        # the passed suite.
+        def initialize(suite)
+          @suite = suite
+        end
+
+        # Runs the suite the TestRunnerMediator was created
+        # with.
+        def run_suite
+          @@run = true
+          begin_time = Time.now
+          notify_listeners(RESET, @suite.size)
+          result = create_result
+          notify_listeners(STARTED, result)
+          result_listener = result.add_listener(TestResult::CHANGED) do |updated_result|
+            notify_listeners(TestResult::CHANGED, updated_result)
+          end
+          
+          fault_listener = result.add_listener(TestResult::FAULT) do |fault|
+            notify_listeners(TestResult::FAULT, fault)
+          end
+          
+          @suite.run(result) do |channel, value|
+            notify_listeners(channel, value)
+          end
+          
+          result.remove_listener(TestResult::FAULT, fault_listener)
+          result.remove_listener(TestResult::CHANGED, result_listener)
+          end_time = Time.now
+          elapsed_time = end_time - begin_time
+          notify_listeners(FINISHED, elapsed_time) #"Finished in #{elapsed_time} seconds.")
+          return result
+        end
+
+        private
+        # A factory method to create the result the mediator
+        # should run with. Can be overridden by subclasses if
+        # one wants to use a different result.
+        def create_result
+          return TestResult.new
+        end
+      end
+    end
+  end
+end