Prevent name collision with private methods from ancestors (#351)

* Fix some problem of name collision with name of private method from ancestors

* Remove unnecessary keyword

* Update CHANGELOG.md

* Update CHANGELOG.md

* Return exit

---------

Co-authored-by: Piotr Kuczynski <piotr.kuczynski@gmail.com>

Author: vadtel

CHANGELOG.md

@@ -2,8 +2,14 @@
 
 ## Next
 
+### New features
+
 * Allow to use custom filename && directory name to store configs ([#341](https://github.com/rubyconfig/config/pull/341))
 
+### Bug fixes
+
+* Prevent name collision with private methods from ancestors ([#351](https://github.com/rubyconfig/config/pull/351))
+
 ## 5.1.0
 
 * Fix conflicts with Rails 7 active_support methods ([#347](https://github.com/rubyconfig/config/pull/347))

lib/config/options.rb

@@ -122,7 +122,7 @@ def merge!(hash)
     def [](param)
       return super if SETTINGS_RESERVED_NAMES.include?(param)
       return super if RAILS_RESERVED_NAMES.include?(param)
-      send("#{param}")
+      public_send("#{param}")
     end
 
     def []=(param, value)

spec/fixtures/reserved_keywords.yml

@@ -7,6 +7,8 @@ max: kumquat
 min: fig
 exit!: taro
 table: strawberry
+lambda: proc
+proc: lambda 
 
 # Rails 7.* reserved keywords
 minimum: 10

spec/options_spec.rb

@@ -19,6 +19,8 @@
       expect(config.min).to eq('fig')
       expect(config.exit!).to eq('taro')
       expect(config.table).to eq('strawberry')
+      expect(config.lambda).to eq('proc')
+      expect(config.proc).to eq('lambda')
     end
 
     it 'should allow to access them using [] operator' do
@@ -30,6 +32,8 @@
       expect(config['min']).to eq('fig')
       expect(config['exit!']).to eq('taro')
       expect(config['table']).to eq('strawberry')
+      expect(config['lambda']).to eq('proc')
+      expect(config['proc']).to eq('lambda')
 
       expect(config[:select]).to eq('apple')
       expect(config[:collect]).to eq('banana')
@@ -39,6 +43,8 @@
       expect(config[:min]).to eq('fig')
       expect(config[:exit!]).to eq('taro')
       expect(config[:table]).to eq('strawberry')
+      expect(config[:lambda]).to eq('proc')
+      expect(config[:proc]).to eq('lambda')
     end
 
     context 'when Settings file is using keywords reserved by Rails 7' do
@@ -64,14 +70,19 @@
       it 'should allow to access them via object member notation' do
         expect(config.select).to be_nil
         expect(config.table).to be_nil
+        expect(config.exit!).to be_nil        
       end
 
       it 'should allow to access them using [] operator' do
         expect(config['select']).to be_nil
         expect(config['table']).to be_nil
+        expect(config['lambda']).to be_nil
+        expect(config['proc']).to be_nil
+        expect(config['exit!']).to be_nil
 
         expect(config[:select]).to be_nil
         expect(config[:table]).to be_nil
+        expect(config[:exit!]).to be_nil
       end
     end
   end