settings service

gistfile1.rb

# settings file

development:
  gateway: test

test:
  gateway: jira

production:
  gateway: jira



# rspec specifications file

require_relative '../lib/services/settings'

describe Settings do

  describe 'Development Environment' do 
    let(:settings) { Settings.new("development") }

    it "should return 'test' gateway" do
      settings.get('gateway').should == 'test'
    end
  
  end
  
  describe 'Test Environment' do
    let(:settings) { Settings.new("test") }

    it "should return 'test' gateway" do
      settings.get('gateway').should == 'jira'
    end
  
  end
  
  describe 'Production Environment' do
    let(:settings) { Settings.new("production") }

    it "should return 'jira' gateway" do
      settings.get('gateway').should == 'jira'
    end
  
  end
  
end



# implementation file

require 'yaml'

class Settings

  def initialize(environment)
    @yaml = YAML.load_file(path_to_settings_file)[environment]
  end
  
  def get(key) 
    @yaml[key]
  end
  
  private 
  
  def path_to_settings_file
    File.join(File.dirname(__FILE__), "../../config/settings.yml")
  end
  
end