Add RSpec 4 support

lib/test_queue/runner/rspec.rb

@@ -6,8 +6,10 @@
   require_relative 'rspec2'
 when 3
   require_relative 'rspec3'
+when 4
+  require_relative 'rspec4'
 else
-  fail 'requires rspec version 2 or 3'
+  fail 'requires rspec version 2, 3 or 4'
 end
 
 module TestQueue

lib/test_queue/runner/rspec4.rb

@@ -0,0 +1,40 @@
+class ::RSpec::Core::ExampleGroup
+  def self.failure_count
+    examples.map {|e| e.execution_result.status == "failed"}.length
+  end
+end
+
+module RSpec::Core
+  class QueueRunner < Runner
+    def initialize
+      options = ConfigurationOptions.new(ARGV)
+      super(options)
+    end
+
+    def run_specs(iterator)
+      @configuration.reporter.report(0) do |reporter|
+        @configuration.with_suite_hooks do
+          iterator.map { |g|
+            start = Time.now
+            if g.is_a? ::RSpec::Core::Example
+              print "    #{g.full_description}: "
+              example = g
+              g = example.example_group
+              ::RSpec.world.filtered_examples.clear
+              ::RSpec.world.filtered_examples[g] = [example]
+            else
+              print "    #{g.description}: "
+            end
+            ret = g.run(reporter)
+            diff = Time.now-start
+            puts("  <%.3f>" % diff)
+
+            ret
+          }.all? ? 0 : @configuration.failure_exit_code
+        end
+      end
+    end
+    alias_method :run_each, :run_specs
+  end
+end
+