Class: ChefSpec::Bootstrap

Inherits:
Object
  • Object
show all
Defined in:
lib/chefspec-bootstrap.rb

Instance Method Summary collapse

Constructor Details

#initialize(cookbooks_dir, spec_dir, template_file) ⇒ Bootstrap

Returns a new instance of Bootstrap.



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# File 'lib/chefspec-bootstrap.rb', line 9

def initialize(cookbooks_dir, spec_dir, template_file)
  @cookbooks_dir = cookbooks_dir
  @spec_dir = spec_dir
  @template_file = template_file
end

Instance Method Details

#generate ⇒ Object 



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# File 'lib/chefspec-bootstrap.rb', line 29

def generate
  setup()

  erb = ERB.new(File.read(@template_file))

  # begin
  #   require "#{@spec_dir}/spec_helper.rb"
  # rescue LoadError

  # end

  ::RSpec.configure { |config| config.cookbook_path = [@cookbooks_dir, 'cookbooks'] }

  Dir.glob("#{@cookbooks_dir}/*/recipes/*").each do |path|
    path, recipe_file = File.split(path)
    recipe = recipe_file.split('.')[0]
    cookbook = path.split(File::SEPARATOR)[1]

    filename = "#{@spec_dir}/#{cookbook}/#{recipe}_spec.rb"

    puts filename

    if File.exist?(filename)
      puts "    spec already exists. Skipping."
    else
      FileUtils.mkdir_p "#{@spec_dir}/#{cookbook}"

      puts "    executing recipe with ChefSpec..."
      chef_run = get_chef_run(cookbook, recipe)

      if chef_run
        puts "    execution suceeded. Creating spec file."
      else
        puts "    execution failed. Creating empty spec file."
      end

      resources = get_resources(chef_run)
      test_cases = generate_test_cases(resources)

      File.open(filename, "w") do |spec_file|
        spec_file.write(erb.result(binding))
      end
    end
  end
end

#generate_test_cases(resources) ⇒ Object 



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# File 'lib/chefspec-bootstrap.rb', line 99

def generate_test_cases(resources)
  test_cases = []
  resources.each do |resource|
    verbs = resource.action
    if not verbs.respond_to?(:each)
      verbs = [verbs]
    end

    noun = resource.resource_name
    adjective = resource.name

    verbs.each do |verb|
      if not verb == :nothing
        test_cases.push({
          :it => "#{verb}s the #{adjective} #{noun}",
          :action => "#{verb}_#{noun}",
          :name => adjective
        })
      end
    end
  end
  return test_cases
end

#get_chef_run(cookbook, recipe) ⇒ Object 



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# File 'lib/chefspec-bootstrap.rb', line 79

def get_chef_run(cookbook, recipe)
  begin
    return ChefSpec::Runner.new.converge("#{cookbook}::#{recipe}")
  rescue
    return nil
  end
end

#get_resource_name(resource) ⇒ Object 



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# File 'lib/chefspec-bootstrap.rb', line 87

def get_resource_name(resource)
  return resource.name || resource.identity
end

#get_resources(chef_run) ⇒ Object 



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# File 'lib/chefspec-bootstrap.rb', line 91

def get_resources(chef_run)
  if chef_run
    return chef_run.resource_collection.all_resources
  else
    return []
  end
end

#root ⇒ Object 



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# File 'lib/chefspec-bootstrap.rb', line 75

def root
  @root ||= Pathname.new(File.expand_path('../../', __FILE__))
end

#setup ⇒ Object 



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# File 'lib/chefspec-bootstrap.rb', line 15

def setup
  if not Dir.exist?(@cookbooks_dir)
    abort "Unable to locate your cookbooks directory (#{@cookbooks_dir})"
  end

  if not @template_file
    @template_file = root.join('templates', 'default.erb')
  end

  if not File.exist?(@template_file)
    abort "Unable to locate template file (#{@template_file})"
  end
end