require 'spec_helper'

module RailsBestPractices::Core
  describe Gems do
    it { should be_a_kind_of Array }

    let(:gems) { Gems.new }
    before do
      gems << Gem.new("rails", "4.0.0")
      gems << Gem.new("mysql2", "0.2.0")
    end

    context "#has_gem?" do
      it "has rails gem" do
        expect(gems).to be_has_gem "rails"
      end

      it "hasn't sinatra gem" do
        expect(gems).not_to be_has_gem "sinatra"
      end
    end

    context "#gem_version" do
      it "gets rails version" do
        expect(gems.gem_version("rails")).to eq "4.0.0"
      end
    end
  end
end