Revert "Revert "* lib/yaml.rb: Remove Psych::EngineManager [Bug #8344]""

syck-1.0.3 gem support this imcompatible changes.

This reverts commit r46102

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46559 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1207,6 +1207,11 @@ Sun May 25 11:56:33 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 	  start cannot exceed the size, the comparison was always false.
 	  [ruby-core:62737] [Bug #9861]
 
+Sun May 25 11:32:42 2014  Zachary Scott  <e@zzak.io>
+
+	* lib/yaml.rb: Remove Psych::EngineManager [Bug #8344]
+	* test/psych/*: ditto.
+
 Sun May 25 10:34:15 2014  Zachary Scott  <e@zzak.io>
 
 	* doc/regexp.rdoc: [DOC] Clarify whitespace matching by @allolex

NEWS

@@ -127,6 +127,9 @@ with all sufficient information, see the ChangeLog file.
     * Prime.prime? now returns false for negative numbers. This method
       should not be used to know the number is composite or not. [Bug #7395]
 
+* Psych
+  * Removed Psych::EngineManager [Bug #8344]
+
 === Built-in global variables compatibility issues
 
 === C API updates

lib/yaml.rb

@@ -12,40 +12,6 @@ end
 
 YAML = Psych # :nodoc:
 
-module Psych # :nodoc:
-  # For compatibility, deprecated
-  class EngineManager # :nodoc:
-    attr_reader :yamler # :nodoc:
-
-    def initialize # :nodoc:
-      @yamler = 'psych'
-    end
-
-    def syck? # :nodoc:
-      false
-    end
-
-    # Psych is always used and this method has no effect.
-    #
-    # This method is still present for compatibility.
-    #
-    # You may still use the Syck engine by installing
-    # the 'syck' gem and using the Syck constant.
-    def yamler= engine # :nodoc:
-      case engine
-      when 'syck' then warn "syck has been removed, psych is used instead"
-      when 'psych' then @yamler = 'psych'
-      else
-        raise(ArgumentError, "bad engine")
-      end
-
-      engine
-    end
-  end
-
-  ENGINE = EngineManager.new # :nodoc:
-end
-
 # YAML Ain't Markup Language
 #
 # This module provides a Ruby interface for data serialization in YAML format.

test/psych/test_engine_manager.rb

@@ -1,47 +0,0 @@
-require_relative 'helper'
-require 'yaml'
-
-module Psych
- class TestEngineManager < TestCase
-   def test_bad_engine
-     assert_raises(ArgumentError) do
-       YAML::ENGINE.yamler = 'foooo'
-     end
-   end
-
-   def test_set_psych
-     YAML::ENGINE.yamler = 'psych'
-     assert_equal Psych, YAML
-     assert_equal 'psych', YAML::ENGINE.yamler
-   end
-
-   A = Struct.new(:name)
-
-   def test_dump_types
-     YAML::ENGINE.yamler = 'psych'
-
-     assert_to_yaml ::Object.new
-     assert_to_yaml Time.now
-     assert_to_yaml Date.today
-     assert_to_yaml('a' => 'b')
-     assert_to_yaml A.new('foo')
-     assert_to_yaml %w{a b}
-     assert_to_yaml Exception.new('foo')
-     assert_to_yaml "hello!"
-     assert_to_yaml :fooo
-     assert_to_yaml(1..10)
-     assert_to_yaml(/hello!~/)
-     assert_to_yaml 1
-     assert_to_yaml 1.2
-     assert_to_yaml Rational(1, 2)
-     assert_to_yaml Complex(1, 2)
-     assert_to_yaml true
-     assert_to_yaml false
-     assert_to_yaml nil
-   end
-
-   def assert_to_yaml obj
-     assert obj.to_yaml, "#{obj.class} to_yaml works"
-   end
- end
-end

test/psych/test_yamldbm.rb

@@ -13,7 +13,6 @@ module Psych
 
   class YAMLDBMTest < TestCase
     def setup
-      @engine, YAML::ENGINE.yamler = YAML::ENGINE.yamler, 'psych'
       @dir = Dir.mktmpdir("rubytest-file")
       File.chown(-1, Process.gid, @dir)
       @yamldbm_file = make_tmp_filename("yamldbm")
@@ -21,7 +20,6 @@ module Psych
     end
 
     def teardown
-      YAML::ENGINE.yamler = @engine
       @yamldbm.clear
       @yamldbm.close
       FileUtils.remove_entry_secure @dir

test/psych/test_yamlstore.rb

@@ -7,7 +7,6 @@ module Psych
 
   class YAMLStoreTest < TestCase
     def setup
-      @engine, YAML::ENGINE.yamler = YAML::ENGINE.yamler, 'psych'
       @dir = Dir.mktmpdir("rubytest-file")
       File.chown(-1, Process.gid, @dir)
       @yamlstore_file = make_tmp_filename("yamlstore")
@@ -15,7 +14,6 @@ module Psych
     end
 
     def teardown
-      YAML::ENGINE.yamler = @engine
       FileUtils.remove_entry_secure @dir
     end