cronenberg_config_spec.rb

require 'spec_helper'
require 'cronenberg/config'

describe Cronenberg::Config do
  context "#initialize" do
    let(:config_hash) do
      { 
        host: 'vsphere.pizza.com',
        user: 'pizzamaster5000',
        password: 'pizzapass',
      }
    end
    
    context "with no env variables or config file" do
      it "raises a Runtime error" do
        expect{ Cronenberg::Config.new }.to raise_error(RuntimeError)
      end
    end
    
    context "with a valid configuration hash" do
      before do
        expect(Cronenberg::Config).to receive(:process_environment_variables).and_return config_hash
      end
      
      it "returns the configuration hash" do
        # WARNING !!!
        # This test does not make sense. You're infact testing RSpec here, as the only thing you do is calling
        # the method you mocked above. No real point in doing this. Only left here as an example!
        expect(Cronenberg::Config.process_environment_variables).to eq config_hash
      end
    end
  end
end