diff --git a/lib/puppet/configurer.rb b/lib/puppet/configurer.rb index 208a6f85a..6d0a09064 100644 --- a/lib/puppet/configurer.rb +++ b/lib/puppet/configurer.rb @@ -1,250 +1,249 @@ # The client for interacting with the puppetmaster config server. require 'sync' require 'timeout' require 'puppet/network/http_pool' require 'puppet/util' class Puppet::Configurer require 'puppet/configurer/fact_handler' require 'puppet/configurer/plugin_handler' include Puppet::Configurer::FactHandler include Puppet::Configurer::PluginHandler # For benchmarking include Puppet::Util attr_reader :compile_time # Provide more helpful strings to the logging that the Agent does def self.to_s "Puppet configuration client" end class << self # Puppetd should only have one instance running, and we need a way # to retrieve it. attr_accessor :instance include Puppet::Util end # How to lock instances of this class. def self.lockfile_path Puppet[:puppetdlockfile] end def clear @catalog.clear(true) if @catalog @catalog = nil end def execute_postrun_command execute_from_setting(:postrun_command) end def execute_prerun_command execute_from_setting(:prerun_command) end # Initialize and load storage def dostorage Puppet::Util::Storage.load @compile_time ||= Puppet::Util::Storage.cache(:configuration)[:compile_time] rescue => detail puts detail.backtrace if Puppet[:trace] Puppet.err "Corrupt state file #{Puppet[:statefile]}: #{detail}" begin ::File.unlink(Puppet[:statefile]) retry rescue => detail raise Puppet::Error.new("Cannot remove #{Puppet[:statefile]}: #{detail}") end end # Just so we can specify that we are "the" instance. def initialize Puppet.settings.use(:main, :ssl, :agent) self.class.instance = self @running = false @splayed = false end # Prepare for catalog retrieval. Downloads everything necessary, etc. def prepare(options) dostorage download_plugins unless options[:skip_plugin_download] download_fact_plugins unless options[:skip_plugin_download] end # Get the remote catalog, yo. Returns nil if no catalog can be found. def retrieve_catalog(fact_options) fact_options ||= {} # First try it with no cache, then with the cache. unless (Puppet[:use_cached_catalog] and result = retrieve_catalog_from_cache(fact_options)) or result = retrieve_new_catalog(fact_options) if ! Puppet[:usecacheonfailure] Puppet.warning "Not using cache on failed catalog" return nil end result = retrieve_catalog_from_cache(fact_options) end return nil unless result convert_catalog(result, @duration) end # Convert a plain resource catalog into our full host catalog. def convert_catalog(result, duration) catalog = result.to_ral catalog.finalize catalog.retrieval_duration = duration catalog.write_class_file catalog.write_resource_file catalog end # Retrieve (optionally) and apply a catalog. If a catalog is passed in # the options, then apply that one, otherwise retrieve it. def retrieve_and_apply_catalog(options, fact_options) unless catalog = (options.delete(:catalog) || retrieve_catalog(fact_options)) Puppet.err "Could not retrieve catalog; skipping run" return end report = options[:report] report.configuration_version = catalog.version report.environment = Puppet[:environment] benchmark(:notice, "Finished catalog run") do catalog.apply(options) end report.finalize_report report end # The code that actually runs the catalog. # This just passes any options on to the catalog, # which accepts :tags and :ignoreschedules. def run(options = {}) options[:report] ||= Puppet::Transaction::Report.new("apply") report = options[:report] Puppet::Util::Log.newdestination(report) begin prepare(options) if Puppet::Resource::Catalog.indirection.terminus_class == :rest # This is a bit complicated. We need the serialized and escaped facts, # and we need to know which format they're encoded in. Thus, we # get a hash with both of these pieces of information. fact_options = facts_for_uploading end # set report host name now that we have the fact report.host = Puppet[:node_name_value] begin execute_prerun_command or return nil retrieve_and_apply_catalog(options, fact_options) rescue SystemExit,NoMemoryError raise rescue => detail puts detail.backtrace if Puppet[:trace] Puppet.err "Failed to apply catalog: #{detail}" return nil ensure execute_postrun_command or return nil end ensure # Make sure we forget the retained module_directories of any autoload # we might have used. Thread.current[:env_module_directories] = nil end ensure Puppet::Util::Log.close(report) send_report(report) end def send_report(report) puts report.summary if Puppet[:summarize] save_last_run_summary(report) Puppet::Transaction::Report.indirection.save(report) if Puppet[:report] rescue => detail puts detail.backtrace if Puppet[:trace] Puppet.err "Could not send report: #{detail}" end def save_last_run_summary(report) mode = Puppet.settings.setting(:lastrunfile).mode - Puppet::Util::FileLocking.writelock(Puppet[:lastrunfile]) do |file| - file.chmod(mode) - file.print YAML.dump(report.raw_summary) + Puppet::Util.replace_file(Puppet[:lastrunfile], mode) do |fh| + fh.print YAML.dump(report.raw_summary) end rescue => detail puts detail.backtrace if Puppet[:trace] Puppet.err "Could not save last run local report: #{detail}" end private def self.timeout timeout = Puppet[:configtimeout] case timeout when String if timeout =~ /^\d+$/ timeout = Integer(timeout) else raise ArgumentError, "Configuration timeout must be an integer" end when Integer # nothing else raise ArgumentError, "Configuration timeout must be an integer" end timeout end def execute_from_setting(setting) return true if (command = Puppet[setting]) == "" begin Puppet::Util.execute([command]) true rescue => detail puts detail.backtrace if Puppet[:trace] Puppet.err "Could not run command from #{setting}: #{detail}" false end end def retrieve_catalog_from_cache(fact_options) result = nil @duration = thinmark do result = Puppet::Resource::Catalog.indirection.find(Puppet[:node_name_value], fact_options.merge(:ignore_terminus => true)) end Puppet.notice "Using cached catalog" result rescue => detail puts detail.backtrace if Puppet[:trace] Puppet.err "Could not retrieve catalog from cache: #{detail}" return nil end def retrieve_new_catalog(fact_options) result = nil @duration = thinmark do result = Puppet::Resource::Catalog.indirection.find(Puppet[:node_name_value], fact_options.merge(:ignore_cache => true)) end result rescue SystemExit,NoMemoryError raise rescue Exception => detail puts detail.backtrace if Puppet[:trace] Puppet.err "Could not retrieve catalog from remote server: #{detail}" return nil end end diff --git a/spec/unit/configurer_spec.rb b/spec/unit/configurer_spec.rb index 11f021ef3..e342aefab 100755 --- a/spec/unit/configurer_spec.rb +++ b/spec/unit/configurer_spec.rb @@ -1,611 +1,620 @@ #!/usr/bin/env rspec require 'spec_helper' require 'puppet/configurer' describe Puppet::Configurer do before do Puppet.settings.stubs(:use).returns(true) @agent = Puppet::Configurer.new @agent.stubs(:dostorage) Puppet::Util::Storage.stubs(:store) Puppet[:server] = "puppetmaster" Puppet[:report] = true end it "should include the Plugin Handler module" do Puppet::Configurer.ancestors.should be_include(Puppet::Configurer::PluginHandler) end it "should include the Fact Handler module" do Puppet::Configurer.ancestors.should be_include(Puppet::Configurer::FactHandler) end it "should use the puppetdlockfile as its lockfile path" do Puppet.settings.expects(:value).with(:puppetdlockfile).returns("/my/lock") Puppet::Configurer.lockfile_path.should == "/my/lock" end describe "when executing a pre-run hook" do it "should do nothing if the hook is set to an empty string" do Puppet.settings[:prerun_command] = "" Puppet::Util.expects(:exec).never @agent.execute_prerun_command end it "should execute any pre-run command provided via the 'prerun_command' setting" do Puppet.settings[:prerun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") @agent.execute_prerun_command end it "should fail if the command fails" do Puppet.settings[:prerun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") @agent.execute_prerun_command.should be_false end end describe "when executing a post-run hook" do it "should do nothing if the hook is set to an empty string" do Puppet.settings[:postrun_command] = "" Puppet::Util.expects(:exec).never @agent.execute_postrun_command end it "should execute any post-run command provided via the 'postrun_command' setting" do Puppet.settings[:postrun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") @agent.execute_postrun_command end it "should fail if the command fails" do Puppet.settings[:postrun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") @agent.execute_postrun_command.should be_false end end describe "when executing a catalog run" do before do Puppet.settings.stubs(:use).returns(true) @agent.stubs(:prepare) Puppet::Node::Facts.indirection.terminus_class = :memory @facts = Puppet::Node::Facts.new(Puppet[:node_name_value]) Puppet::Node::Facts.indirection.save(@facts) @catalog = Puppet::Resource::Catalog.new @catalog.stubs(:to_ral).returns(@catalog) Puppet::Resource::Catalog.indirection.terminus_class = :rest Puppet::Resource::Catalog.indirection.stubs(:find).returns(@catalog) @agent.stubs(:send_report) @agent.stubs(:save_last_run_summary) Puppet::Util::Log.stubs(:close_all) end after :all do Puppet::Node::Facts.indirection.reset_terminus_class Puppet::Resource::Catalog.indirection.reset_terminus_class end it "should prepare for the run" do @agent.expects(:prepare) @agent.run end it "should initialize a transaction report if one is not provided" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns report @agent.run end it "should respect node_name_fact when setting the host on a report" do Puppet[:node_name_fact] = 'my_name_fact' @facts.values = {'my_name_fact' => 'node_name_from_fact'} @agent.run.host.should == 'node_name_from_fact' end it "should pass the new report to the catalog" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.stubs(:new).returns report @catalog.expects(:apply).with{|options| options[:report] == report} @agent.run end it "should use the provided report if it was passed one" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).never @catalog.expects(:apply).with{|options| options[:report] == report} @agent.run(:report => report) end it "should set the report as a log destination" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns report Puppet::Util::Log.expects(:newdestination).with(report) Puppet::Util::Log.expects(:close).with(report) @agent.run end it "should retrieve the catalog" do @agent.expects(:retrieve_catalog) @agent.run end it "should log a failure and do nothing if no catalog can be retrieved" do @agent.expects(:retrieve_catalog).returns nil Puppet.expects(:err).with "Could not retrieve catalog; skipping run" @agent.run end it "should apply the catalog with all options to :run" do @agent.expects(:retrieve_catalog).returns @catalog @catalog.expects(:apply).with { |args| args[:one] == true } @agent.run :one => true end it "should accept a catalog and use it instead of retrieving a different one" do @agent.expects(:retrieve_catalog).never @catalog.expects(:apply) @agent.run :one => true, :catalog => @catalog end it "should benchmark how long it takes to apply the catalog" do @agent.expects(:benchmark).with(:notice, "Finished catalog run") @agent.expects(:retrieve_catalog).returns @catalog @catalog.expects(:apply).never # because we're not yielding @agent.run end it "should execute post-run hooks after the run" do @agent.expects(:execute_postrun_command) @agent.run end it "should send the report" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) @agent.expects(:send_report).with(report) @agent.run end it "should send the transaction report even if the catalog could not be retrieved" do @agent.expects(:retrieve_catalog).returns nil report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) @agent.expects(:send_report) @agent.run end it "should send the transaction report even if there is a failure" do @agent.expects(:retrieve_catalog).raises "whatever" report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) @agent.expects(:send_report) @agent.run.should be_nil end it "should remove the report as a log destination when the run is finished" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) @agent.run Puppet::Util::Log.destinations.should_not include(report) end it "should return the report as the result of the run" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) @agent.run.should equal(report) end it "should send the transaction report even if the pre-run command fails" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) Puppet.settings[:prerun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") @agent.expects(:send_report) @agent.run.should be_nil end it "should include the pre-run command failure in the report" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) Puppet.settings[:prerun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") report.expects(:<<).with { |log| log.message.include?("Could not run command from prerun_command") } @agent.run.should be_nil end it "should send the transaction report even if the post-run command fails" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) Puppet.settings[:postrun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") @agent.expects(:send_report) @agent.run.should be_nil end it "should include the post-run command failure in the report" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) Puppet.settings[:postrun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") report.expects(:<<).with { |log| log.message.include?("Could not run command from postrun_command") } @agent.run.should be_nil end it "should execute post-run command even if the pre-run command fails" do Puppet.settings[:prerun_command] = "/my/precommand" Puppet.settings[:postrun_command] = "/my/postcommand" Puppet::Util.expects(:execute).with(["/my/precommand"]).raises(Puppet::ExecutionFailure, "Failed") Puppet::Util.expects(:execute).with(["/my/postcommand"]) @agent.run.should be_nil end it "should finalize the report" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) report.expects(:finalize_report) @agent.run end it "should not apply the catalog if the pre-run command fails" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) Puppet.settings[:prerun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") @catalog.expects(:apply).never() @agent.expects(:send_report) @agent.run.should be_nil end it "should apply the catalog, send the report, and return nil if the post-run command fails" do report = Puppet::Transaction::Report.new("apply") Puppet::Transaction::Report.expects(:new).returns(report) Puppet.settings[:postrun_command] = "/my/command" Puppet::Util.expects(:execute).with(["/my/command"]).raises(Puppet::ExecutionFailure, "Failed") @catalog.expects(:apply) @agent.expects(:send_report) @agent.run.should be_nil end describe "when not using a REST terminus for catalogs" do it "should not pass any facts when retrieving the catalog" do Puppet::Resource::Catalog.indirection.terminus_class = :compiler @agent.expects(:facts_for_uploading).never Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:facts].nil? }.returns @catalog @agent.run end end describe "when using a REST terminus for catalogs" do it "should pass the prepared facts and the facts format as arguments when retrieving the catalog" do Puppet::Resource::Catalog.indirection.terminus_class = :rest @agent.expects(:facts_for_uploading).returns(:facts => "myfacts", :facts_format => :foo) Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:facts] == "myfacts" and options[:facts_format] == :foo }.returns @catalog @agent.run end end end describe "when sending a report" do include PuppetSpec::Files before do Puppet.settings.stubs(:use).returns(true) @configurer = Puppet::Configurer.new Puppet[:lastrunfile] = tmpfile('last_run_file') @report = Puppet::Transaction::Report.new("apply") end it "should print a report summary if configured to do so" do Puppet.settings[:summarize] = true @report.expects(:summary).returns "stuff" @configurer.expects(:puts).with("stuff") @configurer.send_report(@report) end it "should not print a report summary if not configured to do so" do Puppet.settings[:summarize] = false @configurer.expects(:puts).never @configurer.send_report(@report) end it "should save the report if reporting is enabled" do Puppet.settings[:report] = true Puppet::Transaction::Report.indirection.expects(:save).with(@report) @configurer.send_report(@report) end it "should not save the report if reporting is disabled" do Puppet.settings[:report] = false Puppet::Transaction::Report.indirection.expects(:save).with(@report).never @configurer.send_report(@report) end it "should save the last run summary if reporting is enabled" do Puppet.settings[:report] = true @configurer.expects(:save_last_run_summary).with(@report) @configurer.send_report(@report) end it "should save the last run summary if reporting is disabled" do Puppet.settings[:report] = false @configurer.expects(:save_last_run_summary).with(@report) @configurer.send_report(@report) end it "should log but not fail if saving the report fails" do Puppet.settings[:report] = true Puppet::Transaction::Report.indirection.expects(:save).raises("whatever") Puppet.expects(:err) lambda { @configurer.send_report(@report) }.should_not raise_error end end describe "when saving the summary report file" do include PuppetSpec::Files before do Puppet.settings.stubs(:use).returns(true) @configurer = Puppet::Configurer.new @report = stub 'report', :raw_summary => {} Puppet[:lastrunfile] = tmpfile('last_run_file') end it "should write the last run file" do @configurer.save_last_run_summary(@report) FileTest.exists?(Puppet[:lastrunfile]).should be_true end it "should write the raw summary as yaml" do @report.expects(:raw_summary).returns("summary") @configurer.save_last_run_summary(@report) File.read(Puppet[:lastrunfile]).should == YAML.dump("summary") end it "should log but not fail if saving the last run summary fails" do - Puppet::Util::FileLocking.expects(:writelock).raises "exception" + # The mock will raise an exception on any method used. This should + # simulate a nice hard failure from the underlying OS for us. + fh = Class.new(Object) do + def method_missing(*args) + raise "failed to do #{args[0]}" + end + end.new + + Puppet::Util.expects(:replace_file).yields(fh) + Puppet.expects(:err) - lambda { @configurer.save_last_run_summary(@report) }.should_not raise_error + expect { @configurer.save_last_run_summary(@report) }.should_not raise_error end end describe "when retrieving a catalog" do before do Puppet.settings.stubs(:use).returns(true) @agent.stubs(:facts_for_uploading).returns({}) @catalog = Puppet::Resource::Catalog.new # this is the default when using a Configurer instance Puppet::Resource::Catalog.indirection.stubs(:terminus_class).returns :rest @agent.stubs(:convert_catalog).returns @catalog end describe "and configured to only retrieve a catalog from the cache" do before do Puppet.settings[:use_cached_catalog] = true end it "should first look in the cache for a catalog" do Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_terminus] == true }.returns @catalog Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_cache] == true }.never @agent.retrieve_catalog({}).should == @catalog end it "should compile a new catalog if none is found in the cache" do Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_terminus] == true }.returns nil Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_cache] == true }.returns @catalog @agent.retrieve_catalog({}).should == @catalog end end it "should use the Catalog class to get its catalog" do Puppet::Resource::Catalog.indirection.expects(:find).returns @catalog @agent.retrieve_catalog({}) end it "should use its node_name_value to retrieve the catalog" do Facter.stubs(:value).returns "eh" Puppet.settings[:node_name_value] = "myhost.domain.com" Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| name == "myhost.domain.com" }.returns @catalog @agent.retrieve_catalog({}) end it "should default to returning a catalog retrieved directly from the server, skipping the cache" do Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_cache] == true }.returns @catalog @agent.retrieve_catalog({}).should == @catalog end it "should log and return the cached catalog when no catalog can be retrieved from the server" do Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_cache] == true }.returns nil Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_terminus] == true }.returns @catalog Puppet.expects(:notice) @agent.retrieve_catalog({}).should == @catalog end it "should not look in the cache for a catalog if one is returned from the server" do Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_cache] == true }.returns @catalog Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_terminus] == true }.never @agent.retrieve_catalog({}).should == @catalog end it "should return the cached catalog when retrieving the remote catalog throws an exception" do Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_cache] == true }.raises "eh" Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_terminus] == true }.returns @catalog @agent.retrieve_catalog({}).should == @catalog end it "should log and return nil if no catalog can be retrieved from the server and :usecacheonfailure is disabled" do Puppet.stubs(:[]) Puppet.expects(:[]).with(:usecacheonfailure).returns false Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_cache] == true }.returns nil Puppet.expects(:warning) @agent.retrieve_catalog({}).should be_nil end it "should return nil if no cached catalog is available and no catalog can be retrieved from the server" do Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_cache] == true }.returns nil Puppet::Resource::Catalog.indirection.expects(:find).with { |name, options| options[:ignore_terminus] == true }.returns nil @agent.retrieve_catalog({}).should be_nil end it "should convert the catalog before returning" do Puppet::Resource::Catalog.indirection.stubs(:find).returns @catalog @agent.expects(:convert_catalog).with { |cat, dur| cat == @catalog }.returns "converted catalog" @agent.retrieve_catalog({}).should == "converted catalog" end it "should return nil if there is an error while retrieving the catalog" do Puppet::Resource::Catalog.indirection.expects(:find).at_least_once.raises "eh" @agent.retrieve_catalog({}).should be_nil end end describe "when converting the catalog" do before do Puppet.settings.stubs(:use).returns(true) @catalog = Puppet::Resource::Catalog.new @oldcatalog = stub 'old_catalog', :to_ral => @catalog end it "should convert the catalog to a RAL-formed catalog" do @oldcatalog.expects(:to_ral).returns @catalog @agent.convert_catalog(@oldcatalog, 10).should equal(@catalog) end it "should finalize the catalog" do @catalog.expects(:finalize) @agent.convert_catalog(@oldcatalog, 10) end it "should record the passed retrieval time with the RAL catalog" do @catalog.expects(:retrieval_duration=).with 10 @agent.convert_catalog(@oldcatalog, 10) end it "should write the RAL catalog's class file" do @catalog.expects(:write_class_file) @agent.convert_catalog(@oldcatalog, 10) end it "should write the RAL catalog's resource file" do @catalog.expects(:write_resource_file) @agent.convert_catalog(@oldcatalog, 10) end end describe "when preparing for a run" do before do Puppet.settings.stubs(:use).returns(true) @agent.stubs(:download_fact_plugins) @agent.stubs(:download_plugins) @facts = {"one" => "two", "three" => "four"} end it "should initialize the metadata store" do @agent.class.stubs(:facts).returns(@facts) @agent.expects(:dostorage) @agent.prepare({}) end it "should download fact plugins" do @agent.expects(:download_fact_plugins) @agent.prepare({}) end it "should download plugins" do @agent.expects(:download_plugins) @agent.prepare({}) end end end