rename snake_case method to to_snake_case; update specs; bump version

lib/fitbyte/helpers.rb

@@ -22,7 +22,7 @@ def format_scope(scope)
     # Borrowing from Rails
 
     def deep_keys_to_snake_case!(object)
-      deep_transform_keys!(object) { |key| snake_case(key) }
+      deep_transform_keys!(object) { |key| to_snake_case(key) }
     end
 
     def deep_symbolize_keys!(object)
@@ -44,7 +44,7 @@ def deep_transform_keys!(object, &block)
       end
     end
 
-    def snake_case(word)
+    def to_snake_case(word)
       word = word.to_s.dup
       return word.downcase if word.match(/\A[A-Z]+\z/)
       word.gsub!(/([A-Z]+)([A-Z][a-z])/, '\1_\2')

lib/fitbyte/version.rb

@@ -1,4 +1,4 @@
 module Fitbyte
-  VERSION = "0.3.0"
+  VERSION = "0.4.0"
   REPO_URL = "https://github.com/zokioki/fitbyte"
 end

spec/client/helpers_spec.rb

@@ -64,4 +64,16 @@
       expect(client.deep_symbolize_keys! object).to eq({ keyOne: 1, keyTwo: { keyThree: 3, keyFour: 4 } })
     end
   end
+
+  describe "#to_snake_case" do
+    it "converts camelCased words to snake_case format" do
+      word = "imMrMeeseeksLookAtMe"
+      expect(client.to_snake_case word).to eq "im_mr_meeseeks_look_at_me"
+    end
+
+    it "properly recognizes series of capital letters as single word" do
+      word = "iThinkNASAIsCool"
+      expect(client.to_snake_case word).to eq "i_think_nasa_is_cool"
+    end
+  end
 end