spec/unit/application/queue_spec.rb


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#!/usr/bin/env ruby

require 'spec_helper'

require 'puppet/application/queue'
require 'puppet/indirector/catalog/queue'

describe Puppet::Application::Queue do
  before :each do
    @queue = Puppet::Application[:queue]
    @queue.stubs(:puts)
    @daemon = stub_everything 'daemon', :daemonize => nil
    Puppet::Util::Log.stubs(:newdestination)
    Puppet::Util::Log.stubs(:level=)

    Puppet::Resource::Catalog.indirection.stubs(:terminus_class=)
  end

  it "should ask Puppet::Application to parse Puppet configuration file" do
    @queue.should_parse_config?.should be_true
  end

  it "should declare a main command" do
    @queue.should respond_to(:main)
  end

  it "should declare a preinit block" do
    @queue.should respond_to(:preinit)
  end

  describe "in preinit" do
    it "should catch INT" do
      Signal.expects(:trap).with { |arg,block| arg == :INT }

      @queue.preinit
    end

    it "should init :verbose to false" do
      @queue.preinit

      @queue.options[:verbose].should be_false
    end

    it "should init :debug to false" do
      @queue.preinit

      @queue.options[:debug].should be_false
    end

    it "should create a Daemon instance and copy ARGV to it" do
      ARGV.expects(:dup).returns "eh"
      daemon = mock("daemon")
      daemon.expects(:argv=).with("eh")
      Puppet::Daemon.expects(:new).returns daemon
      @queue.preinit
    end
  end

  describe "when handling options" do

    [:debug, :verbose].each do |option|
      it "should declare handle_#{option} method" do
        @queue.should respond_to("handle_#{option}".to_sym)
      end

      it "should store argument value when calling handle_#{option}" do
        @queue.options.expects(:[]=).with(option, 'arg')
        @queue.send("handle_#{option}".to_sym, 'arg')
      end
    end
  end

  describe "during setup" do
    before :each do
      @queue.options.stubs(:[])
      @queue.daemon.stubs(:daemonize)
      Puppet.stubs(:info)
      Puppet.features.stubs(:stomp?).returns true
      Puppet::Resource::Catalog.indirection.stubs(:terminus_class=)
      Puppet.stubs(:settraps)
      Puppet.settings.stubs(:print_config?)
      Puppet.settings.stubs(:print_config)
    end

    it "should fail if the stomp feature is missing" do
      Puppet.features.expects(:stomp?).returns false
      lambda { @queue.setup }.should raise_error(ArgumentError)
    end

    it "should print puppet config if asked to in Puppet config" do
      @queue.stubs(:exit)
      Puppet.settings.stubs(:print_configs?).returns(true)

      Puppet.settings.expects(:print_configs)

      @queue.setup
    end

    it "should exit after printing puppet config if asked to in Puppet config" do
      Puppet.settings.stubs(:print_configs?).returns(true)

      lambda { @queue.setup }.should raise_error(SystemExit)
    end

    it "should call setup_logs" do
      @queue.expects(:setup_logs)
      @queue.setup
    end

    describe "when setting up logs" do
      before :each do
        Puppet::Util::Log.stubs(:newdestination)
      end

      it "should set log level to debug if --debug was passed" do
        @queue.options.stubs(:[]).with(:debug).returns(true)

        Puppet::Util::Log.expects(:level=).with(:debug)

        @queue.setup_logs
      end

      it "should set log level to info if --verbose was passed" do
        @queue.options.stubs(:[]).with(:verbose).returns(true)

        Puppet::Util::Log.expects(:level=).with(:info)

        @queue.setup_logs
      end

      [:verbose, :debug].each do |level|
        it "should set console as the log destination with level #{level}" do
          @queue.options.stubs(:[]).with(level).returns(true)

          Puppet::Util::Log.expects(:newdestination).with(:console)

          @queue.setup_logs
        end
      end
    end

    it "should configure the Catalog class to use ActiveRecord" do
      Puppet::Resource::Catalog.indirection.expects(:terminus_class=).with(:active_record)

      @queue.setup
    end

    it "should daemonize if needed" do
      Puppet.expects(:[]).with(:daemonize).returns(true)

      @queue.daemon.expects(:daemonize)

      @queue.setup
    end
  end

  describe "when running" do
    before :each do
      @queue.stubs(:sleep_forever)
      Puppet::Resource::Catalog::Queue.stubs(:subscribe)
      Thread.list.each { |t| t.stubs(:join) }
    end

    it "should subscribe to the queue" do
      Puppet::Resource::Catalog::Queue.expects(:subscribe)
      @queue.main
    end

    it "should log and save each catalog passed by the queue" do
      catalog = Puppet::Resource::Catalog.new('eh')
      Puppet::Resource::Catalog.indirection.expects(:save).with(catalog)

      Puppet::Resource::Catalog::Queue.expects(:subscribe).yields(catalog)
      Puppet.expects(:notice).times(2)
      @queue.main
    end

    it "should join all of the running threads" do
      Thread.list.each { |t| t.expects(:join) }
      @queue.main
    end
  end
end