Specs for cookbook unit tests

default_spec.rb

require 'spec_helper'

describe 'techtalk::default' do
  context 'When applying cookbooks on an Ubuntu instance' do
    let(:chef_run) do
      runner = ChefSpec::SoloRunner.new(platform: 'ubuntu', version: '16.04')
      runner.converge(described_recipe)
    end

    it 'install docker' do
      expect(chef_run).to run_execute('install docker')
        .with(command: 'curl -sSL https://get.docker.com/ | sh')
    end

    it 'restart docker service' do
      expect(chef_run).to run_execute('restart docker service')
        .with(command: 'sudo service docker restart')
    end

    it 'run application container' do
      expect(chef_run).to run_execute('run application container')
        .with(command:
          'docker run -d -p 80:3000 --restart=always nandotorres/mean-todo')
    end
  end
end