Infrastructure as Cake

user 'create user' do
	username 'jamie'
	manage_home true
end

file 'creates the muffins.txt file' do
	path '/home/jamie/muffins.txt'
	content 'Welcome to the team!'
	mode '0600'
	owner 'jamie'
end

# attributes/default.rb
node.default['user'] = 'jamie'

# recipes/welcome.rb
user "create user #{node['user']}" do
	username node['user']
	manage_home true
end

file 'creates the muffins.txt file' do
	path "/home/#{node['user']}/muffins.txt"
	content "Welcome #{node['user']}, it's nice to meet you!"
	mode '0600'
	owner node['user']
end

expect(chef_run).to_not install_package('wibble')

expect(chef_run).to run_execute('ls -al')

expect(chef_run).to render_file('/etc/os-release')
  .with_content('Hello!')

describe 'user-cookbook::default' do
	context 'When all attributes are default, on an Ubuntu 16.04' do
		let(:chef_run) do
			runner = ChefSpec::ServerRunner.new(platform: 'ubuntu', version: '16.04')
			runner.converge(described_recipe)
		end

		it 'converges successfully' do
			expect { chef_run }.to_not raise_error
		end

		it 'creates the jamie user' do
			expect(chef_run).to create_user('create user jamie')
				.with(username: 'jamie')
				.with(manage_home: true)
		end

		it 'creates the muffins.txt file' do
			expect(chef_run).to create_file('creates the muffins.txt file')
				.with(content: 'Welcome jamie, it\'s nice to meet you!')
				.with(mode: '0600')
				.with(owner: 'jamie')
		end
	end
end

describe 'user-cookbook::default' do
	# ...
	context 'When the user attribute is set' do
		let(:chef_run) do
			runner = ChefSpec::ServerRunner.new(platform: 'ubuntu', version: '16.04') do |node|
				node.automatic['user'] = 'test'
			end
			runner.converge(described_recipe)
		end

		it 'converges successfully' do
			expect { chef_run }.to_not raise_error
		end

		it 'creates the jamie user' do
			expect(chef_run).to create_user('create user test')
				.with(username: 'test')
				.with(manage_home: true)
		end

		it 'creates the muffins.txt file' do
			expect(chef_run).to create_file('creates the muffins.txt file')
				.with(content: 'Welcome test, it\'s nice to meet you!')
				.with(mode: '0600')
				.with(owner: 'test')
		end
	end
end

describe 'user-cookbook::package' do
	context 'On Ubuntu 16.04' do
		let(:chef_run) do
			runner = ChefSpec::ServerRunner.new(platform: 'ubuntu', version: '16.04')
			runner.converge(described_recipe)
		end

		it 'installs the apache2 package' do
			expect(chef_run).to install_package('Install Apache')
				.with(package_name: 'apache2')
		end
	end

	context 'On RHEL 7.2' do
		let(:chef_run) do
			runner = ChefSpec::ServerRunner.new(platform: 'redhat', version: '7.2')
			runner.converge(described_recipe)
		end

		it 'installs the httpd package' do
			expect(chef_run).to install_package('Install Apache')
				.with(package_name: 'httpd')
		end
	end
end

package 'Install Apache' do
	case node['platform']
	when 'redhat'
		package_name 'httpd'
	when 'ubuntu'
		package_name 'apache2'
	end
end

describe 'cookbook-spectat::install' do
	context 'When site_type is valid' do
		let(:chef_run) do
			runner = ChefSpec::SoloRunner.new(platform: 'debian', version: '9.1') do |node|
				node.automatic['site_type'] = 'static'
			end
			runner.converge(described_recipe)
		end

		it 'installs nginx' do
			expect(chef_run).to install_package('Install Nginx')
				.with(package_name: 'nginx')
		end
	end

	context 'When site_type is not set' do
		let(:runner) do
			ChefSpec::SoloRunner.new(platform: 'debian', version: '9.1')
		end

		it 'throws an error' do
			expect { runner.converge(described_recipe) }.to\
				raise_error('Attribute site_type needs to be set to `static`')
		end
	end
end

if node['site_type'].nil? || 'static' != node['site_type']
	raise 'Attribute site_type needs to be set to `static`'
end

package 'Install Nginx' do
	package_name 'nginx'
end

# Don't do this
execute 'start-tomcat' do
	command '/etc/init.d/tomcat6 start'
	action :run
end

# Do this instead
service 'tomcat' do
	action :start
end

# Don't do this
execute "cd /tmp && wget 'http://example.org/'" do
	action :run
end

# Do this instead
remote_file '/tmp/testfile' do
	source 'http://www.example.org/'
end

---
# .kitchen.yml
driver:
	name: vagrant

provisioner:
	name: chef_zero

verifier:
  name: inspec

platforms:
  - name: debian
    driver_config:
      image: debian:jessie

suites:
  - name: hello
    run_list:
      - recipe[user-cookbook::default]
    attributes:
      user: 'everybody'
      hello: true

describe package('nginx') do
	it { should be_installed }
end

describe port('443') do
	it { should be_listening }
	its('processes') { should include 'nginx' }
end