Merge pull request #63 from chef/lcg/add-key-method

add `#key?` alias to `#has_key?`

2 files changed, 11 insertions, 3 deletions

diff --git a/lib/mixlib/config.rb b/lib/mixlib/config.rb
index 03486a8..ce4d185 100644
--- a/lib/mixlib/config.rb
+++ b/lib/mixlib/config.rb
@@ -2,7 +2,7 @@
 # Author:: Adam Jacob (<adam@chef.io>)
 # Author:: Nuo Yan (<nuo@chef.io>)
 # Author:: Christopher Brown (<cb@chef.io>)
-# Copyright:: Copyright (c) 2008-2016 Chef Software, Inc.
+# Copyright:: Copyright (c) 2008-2018, Chef Software Inc.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -152,10 +152,12 @@ module Mixlib
     # === Returns
     # <True>:: If the config option exists
     # <False>:: If the config option does not exist
-    def has_key?(key)
+    def key?(key)
       configuration.has_key?(key.to_sym)
     end
 
+    alias_method :has_key?, :key?
+
     # Resets a config option to its default.
     #
     # === Parameters
diff --git a/spec/mixlib/config_spec.rb b/spec/mixlib/config_spec.rb
index 1716dee..6bc31b0 100644
--- a/spec/mixlib/config_spec.rb
+++ b/spec/mixlib/config_spec.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Adam Jacob (<adam@chef.io>)
-# Copyright:: Copyright (c) 2008-2016 Chef Software, Inc.
+# Copyright:: Copyright (c) 2008-2018, Chef Software Inc.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -162,6 +162,12 @@ describe Mixlib::Config do
     expect(ConfigIt.has_key?(:monkey)).to be true
   end
 
+  it "returns true or false with key?" do
+    expect(ConfigIt.key?(:monkey2)).to be false
+    ConfigIt[:monkey2] = "gotcha"
+    expect(ConfigIt.key?(:monkey2)).to be true
+  end
+
   describe "when a class method override writer exists" do
     before do
       @klass = Class.new