require "spec_helper"

describe String do

  describe "#snakecase" do
    it "lowercases one word CamelCase" do
      "Merb".snakecase.should == "merb"
    end

    it "makes one underscore snakecase two word CamelCase" do
      "MerbCore".snakecase.should == "merb_core"
    end

    it "handles CamelCase with more than 2 words" do
      "SoYouWantContributeToMerbCore".snakecase.should == "so_you_want_contribute_to_merb_core"
    end

    it "handles CamelCase with more than 2 capital letter in a row" do
      "CNN".snakecase.should == "cnn"
      "CNNNews".snakecase.should == "cnn_news"
      "HeadlineCNNNews".snakecase.should == "headline_cnn_news"
    end

    it "does NOT change one word lowercase" do
      "merb".snakecase.should == "merb"
    end

    it "leaves snake_case as is" do
      "merb_core".snakecase.should == "merb_core"
    end
  end

end
