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path: root/spec/unit/network/http/mongrel_spec.rb
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#!/usr/bin/env rspec
require 'spec_helper'
require 'puppet/network/http'

describe "Puppet::Network::HTTP::Mongrel", "after initializing", :if => Puppet.features.mongrel?, :'fails_on_ruby_1.9.2' => true do
  it "should not be listening", :'fails_on_ruby_1.9.2' => true do
    require 'puppet/network/http/mongrel'

    Puppet::Network::HTTP::Mongrel.new.should_not be_listening
  end
end

describe "Puppet::Network::HTTP::Mongrel", "when turning on listening", :if => Puppet.features.mongrel?, :'fails_on_ruby_1.9.2' => true do
  before do
    require 'puppet/network/http/mongrel'

    @server = Puppet::Network::HTTP::Mongrel.new
    @mock_mongrel = mock('mongrel')
    @mock_mongrel.stubs(:run)
    @mock_mongrel.stubs(:register)
    Mongrel::HttpServer.stubs(:new).returns(@mock_mongrel)

    @mock_puppet_mongrel = mock('puppet_mongrel')
    Puppet::Network::HTTPServer::Mongrel.stubs(:new).returns(@mock_puppet_mongrel)

    @listen_params = { :address => "127.0.0.1", :port => 31337, :protocols => [ :rest, :xmlrpc ], :xmlrpc_handlers => [ :status, :fileserver ] }
  end

  it "should fail if already listening" do
    @server.listen(@listen_params)
    Proc.new { @server.listen(@listen_params) }.should raise_error(RuntimeError)
  end

  it "should require at least one protocol" do
    Proc.new { @server.listen(@listen_params.delete_if {|k,v| :protocols == k}) }.should raise_error(ArgumentError)
  end

  it "should require a listening address to be specified" do
    Proc.new { @server.listen(@listen_params.delete_if {|k,v| :address == k})}.should raise_error(ArgumentError)
  end

  it "should require a listening port to be specified" do
    Proc.new { @server.listen(@listen_params.delete_if {|k,v| :port == k})}.should raise_error(ArgumentError)
  end

  it "should order a mongrel server to start" do
    @mock_mongrel.expects(:run)
    @server.listen(@listen_params)
  end

  it "should tell mongrel to listen on the specified address and port" do
    Mongrel::HttpServer.expects(:new).with("127.0.0.1", 31337).returns(@mock_mongrel)
    @server.listen(@listen_params)
  end

  it "should be listening" do
    Mongrel::HttpServer.expects(:new).returns(@mock_mongrel)
    @server.listen(@listen_params)
    @server.should be_listening
  end

  describe "when providing REST services" do
    it "should instantiate a handler at / for handling REST calls" do
      Puppet::Network::HTTP::MongrelREST.expects(:new).returns "myhandler"
      @mock_mongrel.expects(:register).with("/", "myhandler")

      @server.listen(@listen_params)
    end

    it "should use a Mongrel + REST class to configure Mongrel when REST services are requested" do
      @server.expects(:class_for_protocol).with(:rest).at_least_once.returns(Puppet::Network::HTTP::MongrelREST)
      @server.listen(@listen_params)
    end
  end

  describe "when providing XMLRPC services" do
    it "should do nothing if no xmlrpc handlers have been provided" do
      Puppet::Network::HTTPServer::Mongrel.expects(:new).never
      @server.listen(@listen_params.merge(:xmlrpc_handlers => []))
    end

    it "should create an instance of the existing Mongrel http server with the right handlers" do
      Puppet::Network::HTTPServer::Mongrel.expects(:new).with([:status, :master]).returns(@mock_puppet_mongrel)
      @server.listen(@listen_params.merge(:xmlrpc_handlers => [:status, :master]))
    end

    it "should register the Mongrel server instance at /RPC2" do
      @mock_mongrel.expects(:register).with("/RPC2", @mock_puppet_mongrel)

      @server.listen(@listen_params.merge(:xmlrpc_handlers => [:status, :master]))
    end
  end
end

describe "Puppet::Network::HTTP::Mongrel", "when turning off listening", :if => Puppet.features.mongrel?, :'fails_on_ruby_1.9.2' => true do
  before do
    @mock_mongrel = mock('mongrel httpserver')
    @mock_mongrel.stubs(:run)
    @mock_mongrel.stubs(:register)
    Mongrel::HttpServer.stubs(:new).returns(@mock_mongrel)
    @server = Puppet::Network::HTTP::Mongrel.new
    @listen_params = { :address => "127.0.0.1", :port => 31337, :handlers => [ :node, :catalog ], :protocols => [ :rest ] }
  end

  it "should fail unless listening" do
    Proc.new { @server.unlisten }.should raise_error(RuntimeError)
  end

  it "should order mongrel server to stop" do
    @server.listen(@listen_params)
    @mock_mongrel.expects(:stop)
    @server.unlisten
  end

  it "should not be listening" do
    @server.listen(@listen_params)
    @mock_mongrel.stubs(:stop)
    @server.unlisten
    @server.should_not be_listening
  end
end