Add JUnit annotation experimental code.

Author: headius

tool/experimental/a_junit_test.rb

@@ -0,0 +1,17 @@
+require 'junit'
+
+class MyJUnitTest
+  include JUnit
+  
+  +Test()
+  def test_something_broken
+    assert "a" == "b"
+  end
+
+  +Test()
+  def test_something_good
+    assert "a" == "a"
+  end
+end
+
+JUnit.run(MyJUnitTest)

tool/experimental/annotator.rb

@@ -0,0 +1,32 @@
+require 'java'
+
+class Method
+  attr_accessor :annotations
+end
+
+class Class
+  def annotate_method(anno_values)
+    @annotations ||= {}
+    if Hash === anno_values
+      @annotations.merge!(anno_values)
+    else
+      @annotations[anno_values.java_class] = {}
+    end
+  end
+
+  def method_added(name)
+    if @annotations
+      add_method_annotation(name.to_s, @annotations)
+      @annotations = nil
+    end
+    super
+  end
+
+  def annotate_class(anno_values)
+    if Hash === anno_values
+      add_class_annotation(anno_values)
+    else
+      add_class_annotation(anno_values.java_class => {})
+    end
+  end
+end

tool/experimental/junit.rb

@@ -0,0 +1,43 @@
+require 'java'
+require 'jruby/core_ext'
+require 'junit-4.6.jar'
+require 'annotator'
+
+module JUnit
+  import org.junit.Assert
+  import org.junit.runner.JUnitCore
+  JUnitTest = org.junit.Test
+
+  def self.append_features(cls)
+    super
+    cls.extend(self)
+  end
+
+  def self.run(*classes)
+    java_classes = classes.map{|c| c.become_java!; c.java_class}
+    result = JUnitCore.run_classes(java_classes.to_java(java.lang.Class))
+    puts "
+Tests run: #{result.run_count}
+Tests failed: #{result.failure_count}
+Successful: #{result.was_successful?}
+Elapsed time: #{result.run_time / 1000.0}s"
+  end
+
+  class TestAnno
+    def initialize(parent)
+      @parent = parent
+    end
+
+    def +@
+      @parent.annotate_method JUnitTest
+    end
+  end
+
+  def Test
+    TestAnno.new(self)
+  end
+
+  def assert(*args)
+    Assert.assert_true(*args)
+  end
+end