require 'spec_helper' describe Berkshelf::Config do let(:klass) { described_class } describe "ClassMethods" do subject { klass } describe "::file" do subject { klass.file } context "when the file does not exist" do before :each do File.stub exists?: false end it { should be_nil } end end describe "::instance" do subject { klass.instance } it { should be_a klass } end describe "::path" do subject { klass.path } it { should be_a String } it "points to a location within ENV['BERKSHELF_PATH']" do ENV.stub(:[]).with('BERKSHELF_PATH').and_return('/tmp') subject.should eql("/tmp/config.json") end end end end