Rename Settings to Config and use accessors to configure things

test/unit/active_model/serializer/config_test.rb

@@ -0,0 +1,67 @@
+require 'test_helper'
+
+module ActiveModel
+  class Serializer
+    class Config
+      class Test < ActiveModel::TestCase
+        def test_config_const_is_an_instance_of_config
+          assert_kind_of Config, CONFIG
+        end
+
+        def test_config_instance
+          config = Config.new
+          config.setting1 = 'value1'
+
+          assert_equal 'value1', config.setting1
+        end
+
+        def test_each_config
+          config = Config.new
+          config.setting1 = 'value1'
+          config.setting2 = 'value2'
+
+          actual = {}
+
+          config.each do |k, v|
+            actual[k] = v
+          end
+
+          assert_equal({ 'setting1' => 'value1', 'setting2' => 'value2' }, actual)
+        end
+      end
+
+      class SetupTest < ActiveModel::TestCase
+        def test_setup
+          ActiveModel::Serializer.setup do |config|
+            config.a = 'v1'
+            config.b = 'v2'
+          end
+
+          assert_equal 'v1', CONFIG.a
+          assert_equal 'v2', CONFIG.b
+        ensure
+          CONFIG.clear
+        end
+
+        def test_setup_config_accessors
+          ActiveModel::Serializer.setup do |config|
+            config.foo = 'v1'
+            config.bar = 'v2'
+          end
+
+          assert_equal 'v1', CONFIG.foo
+          assert_equal 'v2', CONFIG.bar
+        ensure
+          CONFIG.clear
+        end
+
+        def test_setup_acessor_when_nil
+          assert_nil CONFIG.foo
+          CONFIG.foo = 1
+          assert 1, CONFIG.foo
+          assert_nil CONFIG.bar
+        end
+      end
+    end
+  end
+end

test/unit/active_model/serializer/has_many_test.rb

@@ -93,7 +93,7 @@ module ActiveModel
           'comments' => [{ content: 'C1' }, { content: 'C2' }]
         }, @post_serializer.as_json)
       ensure
-        SETTINGS.clear
+        CONFIG.clear
       end
 
       def test_associations_using_a_given_serializer

test/unit/active_model/serializer/settings_test.rb

@@ -1,68 +0,0 @@
-require 'test_helper'
-
-module ActiveModel
-  class Serializer
-    class Settings
-      class Test < ActiveModel::TestCase
-        def test_settings_const_is_an_instance_of_settings
-          assert_kind_of Settings, SETTINGS
-        end
-
-        def test_settings_instance
-          settings = Settings.new
-          settings[:setting1] = 'value1'
-
-          assert_equal 'value1', settings[:setting1]
-        end
-
-        def test_each_settings
-          settings = Settings.new
-          settings['setting1'] = 'value1'
-          settings['setting2'] = 'value2'
-
-          actual = {}
-
-          settings.each do |k, v|
-            actual[k] = v
-          end
-
-          assert_equal({ 'setting1' => 'value1', 'setting2' => 'value2' }, actual)
-
-        end
-      end
-
-      class SetupTest < ActiveModel::TestCase
-        def test_setup
-          ActiveModel::Serializer.setup do |settings|
-            settings[:a] = 'v1'
-            settings[:b] = 'v2'
-          end
-
-          assert_equal 'v1', SETTINGS[:a]
-          assert_equal 'v2', SETTINGS[:b]
-        ensure
-          SETTINGS.clear
-        end
-
-        def test_setup_config_accessors
-          ActiveModel::Serializer.setup do |config|
-            config.foo = 'v1'
-            config.bar = 'v2'
-          end
-
-          assert_equal 'v1', SETTINGS.foo
-          assert_equal 'v2', SETTINGS.bar
-        ensure
-          SETTINGS.clear
-        end
-
-        def test_setup_acessor_when_nil
-          assert_nil SETTINGS.foo
-          SETTINGS.foo = 1
-          assert 1, SETTINGS.foo
-          assert_nil SETTINGS.bar
-        end
-      end
-    end
-  end
-end