* ext/psych/lib/psych/handlers/recorder.rb: added a class for

  recording YAML parse and emit events.

* ext/psych/lib/psych/handler.rb: adding a list of events so that
  handler classes can more easily be meta-programmed.

* test/psych/handlers/test_recorder.rb: tests for the change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37378 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 25 insertions, 0 deletions

diff --git a/test/psych/handlers/test_recorder.rb b/test/psych/handlers/test_recorder.rb
new file mode 100644
index 0000000000..96b8eac1fc
--- /dev/null
+++ b/test/psych/handlers/test_recorder.rb
@@ -0,0 +1,25 @@
+require 'psych/helper'
+require 'psych/handlers/recorder'
+
+module Psych
+  module Handlers
+    class TestRecorder < TestCase
+      def test_replay
+        yaml   = "--- foo\n...\n"
+        output = StringIO.new
+
+        recorder = Psych::Handlers::Recorder.new
+        parser   = Psych::Parser.new recorder
+        parser.parse yaml
+
+        assert_equal 5, recorder.events.length
+
+        emitter = Psych::Emitter.new output
+        recorder.events.each do |m, args|
+          emitter.send m, *args
+        end
+        assert_equal yaml, output.string
+      end
+    end
+  end
+end