Imported Upstream version 1.9.3.p194upstream/1.9.3.p194

1 files changed, 157 insertions, 0 deletions

diff --git a/lib/test/unit/parallel.rb b/lib/test/unit/parallel.rb
new file mode 100644
index 0000000..7a7c73d
--- /dev/null
+++ b/lib/test/unit/parallel.rb
@@ -0,0 +1,157 @@
+require 'test/unit'
+
+module Test
+  module Unit
+    class Worker < Runner
+      class << self
+        undef autorun
+      end
+
+      alias orig_run_suite _run_suite
+      undef _run_suite
+      undef _run_suites
+      undef run
+
+      def increment_io(orig)
+        *rest, io = 32.times.inject([orig.dup]){|ios, | ios << ios.last.dup }
+        rest.each(&:close)
+        io
+      end
+
+      def _run_suites(suites, type)
+        suites.map do |suite|
+          _run_suite(suite, type)
+        end
+      end
+
+      def _run_suite(suite, type)
+        r = report.dup
+        orig_testout = MiniTest::Unit.output
+        i,o = IO.pipe
+
+        MiniTest::Unit.output = o
+        orig_stdin, orig_stdout = $stdin, $stdout
+
+        th = Thread.new do
+          begin
+            while buf = (self.verbose ? i.gets : i.read(5))
+              @stdout.puts "p #{[buf].pack("m").gsub("\n","")}"
+            end
+          rescue IOError
+          rescue Errno::EPIPE
+          end
+        end
+
+        e, f, s = @errors, @failures, @skips
+
+        begin
+          result = orig_run_suite(suite, type)
+        rescue Interrupt
+          @need_exit = true
+          result = [nil,nil]
+        end
+
+        MiniTest::Unit.output = orig_testout
+        $stdin = orig_stdin
+        $stdout = orig_stdout
+
+        o.close
+        begin
+          th.join
+        rescue IOError
+          raise unless ["stream closed","closed stream"].include? $!.message
+        end
+        i.close
+
+        result << (report - r)
+        result << [@errors-e,@failures-f,@skips-s]
+        result << ($: - @old_loadpath)
+        result << suite.name
+
+        begin
+          @stdout.puts "done #{[Marshal.dump(result)].pack("m").gsub("\n","")}"
+        rescue Errno::EPIPE; end
+        return result
+      ensure
+        MiniTest::Unit.output = orig_stdout
+        $stdin = orig_stdin
+        $stdout = orig_stdout
+        o.close if o && !o.closed?
+        i.close if i && !i.closed?
+      end
+
+      def run(args = [])
+        process_args args
+        @@stop_auto_run = true
+        @opts = @options.dup
+        @need_exit = false
+
+        @old_loadpath = []
+        begin
+          @stdout = increment_io(STDOUT)
+          @stdin = increment_io(STDIN)
+          @stdout.sync = true
+          @stdout.puts "ready"
+          while buf = @stdin.gets
+            case buf.chomp
+            when /^loadpath (.+?)$/
+              @old_loadpath = $:.dup
+              $:.push(*Marshal.load($1.unpack("m")[0].force_encoding("ASCII-8BIT"))).uniq!
+            when /^run (.+?) (.+?)$/
+              @stdout.puts "okay"
+
+              @options = @opts.dup
+              suites = MiniTest::Unit::TestCase.test_suites
+
+              begin
+                require $1
+              rescue LoadError
+                @stdout.puts "after #{[Marshal.dump([$1, $!])].pack("m").gsub("\n","")}"
+                @stdout.puts "ready"
+                next
+              end
+              _run_suites MiniTest::Unit::TestCase.test_suites-suites, $2.to_sym
+
+              if @need_exit
+                begin
+                  @stdout.puts "bye"
+                rescue Errno::EPIPE; end
+                exit
+              else
+                @stdout.puts "ready"
+              end
+            when /^quit$/
+              begin
+                @stdout.puts "bye"
+              rescue Errno::EPIPE; end
+              exit
+            end
+          end
+        rescue Errno::EPIPE
+        rescue Exception => e
+          begin
+            @stdout.puts "bye #{[Marshal.dump(e)].pack("m").gsub("\n","")}"
+          rescue Errno::EPIPE;end
+          exit
+        ensure
+          @stdin.close
+          @stdout.close
+        end
+      end
+    end
+  end
+end
+
+if $0 == __FILE__
+  module Test
+    module Unit
+      class TestCase < MiniTest::Unit::TestCase
+        def on_parallel_worker?
+          true
+        end
+      end
+    end
+  end
+
+  Test::Unit::Worker.new.run(ARGV)
+end