# # Author:: Adam Jacob () # Author:: Christopher Walters () # Author:: Tim Hinderliter () # Author:: Seth Chisamore () # Copyright:: Copyright (c) 2008-2011 Opscode, Inc. # License:: Apache License, Version 2.0 # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # require 'spec_helper' class ResourceTestHarness < Chef::Resource provider_base Chef::Provider::Package end describe Chef::Resource do before(:each) do @cookbook_repo_path = File.join(CHEF_SPEC_DATA, 'cookbooks') @cookbook_collection = Chef::CookbookCollection.new(Chef::CookbookLoader.new(@cookbook_repo_path)) @node = Chef::Node.new @events = Chef::EventDispatch::Dispatcher.new @run_context = Chef::RunContext.new(@node, @cookbook_collection, @events) @resource = Chef::Resource.new("funk", @run_context) end describe "when declaring the identity attribute" do it "has no identity attribute by default" do Chef::Resource.identity_attr.should be_nil end it "sets an identity attribute" do resource_class = Class.new(Chef::Resource) resource_class.identity_attr(:path) resource_class.identity_attr.should == :path end it "inherits an identity attribute from a superclass" do resource_class = Class.new(Chef::Resource) resource_subclass = Class.new(resource_class) resource_class.identity_attr(:package_name) resource_subclass.identity_attr.should == :package_name end it "overrides the identity attribute from a superclass when the identity attr is set" do resource_class = Class.new(Chef::Resource) resource_subclass = Class.new(resource_class) resource_class.identity_attr(:package_name) resource_subclass.identity_attr(:something_else) resource_subclass.identity_attr.should == :something_else end end describe "when no identity attribute has been declared" do before do @resource_sans_id = Chef::Resource.new("my-name") end # Would rather force identity attributes to be set for everything, # but that's not plausible for back compat reasons. it "uses the name as the identity" do @resource_sans_id.identity.should == "my-name" end end describe "when an identity attribute has been declared" do before do @file_resource_class = Class.new(Chef::Resource) do identity_attr :path attr_accessor :path end @file_resource = @file_resource_class.new("identity-attr-test") @file_resource.path = "/tmp/foo.txt" end it "gives the value of its identity attribute" do @file_resource.identity.should == "/tmp/foo.txt" end end describe "when declaring state attributes" do it "has no state_attrs by default" do Chef::Resource.state_attrs.should be_empty end it "sets a list of state attributes" do resource_class = Class.new(Chef::Resource) resource_class.state_attrs(:checksum, :owner, :group, :mode) resource_class.state_attrs.should =~ [:checksum, :owner, :group, :mode] end it "inherits state attributes from the superclass" do resource_class = Class.new(Chef::Resource) resource_subclass = Class.new(resource_class) resource_class.state_attrs(:checksum, :owner, :group, :mode) resource_subclass.state_attrs.should =~ [:checksum, :owner, :group, :mode] end it "combines inherited state attributes with non-inherited state attributes" do resource_class = Class.new(Chef::Resource) resource_subclass = Class.new(resource_class) resource_class.state_attrs(:checksum, :owner) resource_subclass.state_attrs(:group, :mode) resource_subclass.state_attrs.should =~ [:checksum, :owner, :group, :mode] end end describe "when a set of state attributes has been declared" do before do @file_resource_class = Class.new(Chef::Resource) do state_attrs :checksum, :owner, :group, :mode attr_accessor :checksum attr_accessor :owner attr_accessor :group attr_accessor :mode end @file_resource = @file_resource_class.new("describe-state-test") @file_resource.checksum = "abc123" @file_resource.owner = "root" @file_resource.group = "wheel" @file_resource.mode = "0644" end it "describes its state" do resource_state = @file_resource.state resource_state.keys.should =~ [:checksum, :owner, :group, :mode] resource_state[:checksum].should == "abc123" resource_state[:owner].should == "root" resource_state[:group].should == "wheel" resource_state[:mode].should == "0644" end end describe "load_prior_resource" do before(:each) do @prior_resource = Chef::Resource.new("funk") @prior_resource.supports(:funky => true) @prior_resource.source_line @prior_resource.allowed_actions << :funkytown @prior_resource.action(:funkytown) @resource.allowed_actions << :funkytown @run_context.resource_collection << @prior_resource end it "should load the attributes of a prior resource" do @resource.load_prior_resource @resource.supports.should == { :funky => true } end it "should not inherit the action from the prior resource" do @resource.load_prior_resource @resource.action.should_not == @prior_resource.action end end describe "name" do it "should have a name" do @resource.name.should eql("funk") end it "should let you set a new name" do @resource.name "monkey" @resource.name.should eql("monkey") end it "should not be valid without a name" do lambda { @resource.name false }.should raise_error(ArgumentError) end it "should always have a string for name" do lambda { @resource.name Hash.new }.should raise_error(ArgumentError) end end describe "noop" do it "should accept true or false for noop" do lambda { @resource.noop true }.should_not raise_error(ArgumentError) lambda { @resource.noop false }.should_not raise_error(ArgumentError) lambda { @resource.noop "eat it" }.should raise_error(ArgumentError) end end describe "notifies" do it "should make notified resources appear in the actions hash" do @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee") @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "coffee") @resource.delayed_notifications.detect{|e| e.resource.name == "coffee" && e.action == :reload}.should_not be_nil end it "should make notified resources be capable of acting immediately" do @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee") @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "coffee"), :immediate @resource.immediate_notifications.detect{|e| e.resource.name == "coffee" && e.action == :reload}.should_not be_nil end it "should raise an exception if told to act in other than :delay or :immediate(ly)" do @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee") lambda { @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "coffee"), :someday }.should raise_error(ArgumentError) end it "should allow multiple notified resources appear in the actions hash" do @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee") @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "coffee") @resource.delayed_notifications.detect{|e| e.resource.name == "coffee" && e.action == :reload}.should_not be_nil @run_context.resource_collection << Chef::Resource::ZenMaster.new("beans") @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "beans") @resource.delayed_notifications.detect{|e| e.resource.name == "beans" && e.action == :reload}.should_not be_nil end it "creates a notification for a resource that is not yet in the resource collection" do @resource.notifies(:restart, :service => 'apache') expected_notification = Chef::Resource::Notification.new({:service => "apache"}, :restart, @resource) @resource.delayed_notifications.should include(expected_notification) end it "notifies another resource immediately" do @resource.notifies_immediately(:restart, :service => 'apache') expected_notification = Chef::Resource::Notification.new({:service => "apache"}, :restart, @resource) @resource.immediate_notifications.should include(expected_notification) end it "notifies a resource to take action at the end of the chef run" do @resource.notifies_delayed(:restart, :service => "apache") expected_notification = Chef::Resource::Notification.new({:service => "apache"}, :restart, @resource) @resource.delayed_notifications.should include(expected_notification) end end describe "subscribes" do it "should make resources appear in the actions hash of subscribed nodes" do @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee") zr = @run_context.resource_collection.find(:zen_master => "coffee") @resource.subscribes :reload, zr zr.delayed_notifications.detect{|e| e.resource.name == "funk" && e.action == :reload}.should_not be_nil end it "should make resources appear in the actions hash of subscribed nodes" do @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee") zr = @run_context.resource_collection.find(:zen_master => "coffee") @resource.subscribes :reload, zr zr.delayed_notifications.detect{|e| e.resource.name == @resource.name && e.action == :reload}.should_not be_nil @run_context.resource_collection << Chef::Resource::ZenMaster.new("bean") zrb = @run_context.resource_collection.find(:zen_master => "bean") zrb.subscribes :reload, zr zr.delayed_notifications.detect{|e| e.resource.name == @resource.name && e.action == :reload}.should_not be_nil end it "should make subscribed resources be capable of acting immediately" do @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee") zr = @run_context.resource_collection.find(:zen_master => "coffee") @resource.subscribes :reload, zr, :immediately zr.immediate_notifications.detect{|e| e.resource.name == @resource.name && e.action == :reload}.should_not be_nil end end describe "to_s" do it "should become a string like resource_name[name]" do zm = Chef::Resource::ZenMaster.new("coffee") zm.to_s.should eql("zen_master[coffee]") end end describe "is" do it "should return the arguments passed with 'is'" do zm = Chef::Resource::ZenMaster.new("coffee") zm.is("one", "two", "three").should == %w|one two three| end it "should allow arguments preceeded by is to methods" do @resource.noop(@resource.is(true)) @resource.noop.should eql(true) end end describe "to_json" do it "should serialize to json" do json = @resource.to_json json.should =~ /json_class/ json.should =~ /instance_vars/ end end describe "to_hash" do it "should convert to a hash" do hash = @resource.to_hash expected_keys = [ :allowed_actions, :params, :provider, :updated, :updated_by_last_action, :before, :supports, :noop, :ignore_failure, :name, :source_line, :action, :retries, :retry_delay, :elapsed_time] (hash.keys - expected_keys).should == [] (expected_keys - hash.keys).should == [] hash[:name].should eql("funk") end end describe "self.json_create" do it "should deserialize itself from json" do json = @resource.to_json serialized_node = Chef::JSONCompat.from_json(json) serialized_node.should be_a_kind_of(Chef::Resource) serialized_node.name.should eql(@resource.name) end end describe "supports" do it "should allow you to set what features this resource supports" do support_hash = { :one => :two } @resource.supports(support_hash) @resource.supports.should eql(support_hash) end it "should return the current value of supports" do @resource.supports.should == {} end end describe "ignore_failure" do it "should default to throwing an error if a provider fails for a resource" do @resource.ignore_failure.should == false end it "should allow you to set whether a provider should throw exceptions with ignore_failure" do @resource.ignore_failure(true) @resource.ignore_failure.should == true end it "should allow you to epic_fail" do @resource.epic_fail(true) @resource.epic_fail.should == true end end describe "retries" do it "should default to not retrying if a provider fails for a resource" do @resource.retries.should == 0 end it "should allow you to set how many retries a provider should attempt after a failure" do @resource.retries(2) @resource.retries.should == 2 end it "should default to a retry delay of 2 seconds" do @resource.retry_delay.should == 2 end it "should allow you to set the retry delay" do @resource.retry_delay(10) @resource.retry_delay.should == 10 end end describe "setting the base provider class for the resource" do it "defaults to Chef::Provider for the base class" do Chef::Resource.provider_base.should == Chef::Provider end it "allows the base provider to be overriden by a " do ResourceTestHarness.provider_base.should == Chef::Provider::Package end end it "supports accessing the node via the @node instance variable [DEPRECATED]" do @resource.instance_variable_get(:@node).inspect.should == @node.inspect end it "runs an action by finding its provider, loading the current resource and then running the action" do pending end describe "when updated by a provider" do before do @resource.updated_by_last_action(true) end it "records that it was updated" do @resource.should be_updated end it "records that the last action updated the resource" do @resource.should be_updated_by_last_action end describe "and then run again without being updated" do before do @resource.updated_by_last_action(false) end it "reports that it is updated" do @resource.should be_updated end it "reports that it was not updated by the last action" do @resource.should_not be_updated_by_last_action end end end describe "when invoking its action" do before do @resource = Chef::Resource.new("provided", @run_context) @resource.provider = Chef::Provider::SnakeOil @node.automatic_attrs[:platform] = "fubuntu" @node.automatic_attrs[:platform_version] = '10.04' end it "does not run only_if if no only_if command is given" do @resource.not_if.clear @resource.run_action(:purr) end it "runs runs an only_if when one is given" do snitch_variable = nil @resource.only_if { snitch_variable = true } @resource.only_if.first.positivity.should == :only_if #Chef::Mixin::Command.should_receive(:only_if).with(true, {}).and_return(false) @resource.run_action(:purr) snitch_variable.should be_true end it "runs multiple only_if conditionals" do snitch_var1, snitch_var2 = nil, nil @resource.only_if { snitch_var1 = 1 } @resource.only_if { snitch_var2 = 2 } @resource.run_action(:purr) snitch_var1.should == 1 snitch_var2.should == 2 end it "accepts command options for only_if conditionals" do Chef::Resource::Conditional.any_instance.should_receive(:evaluate_command).at_least(1).times @resource.only_if("true", :cwd => '/tmp') @resource.only_if.first.command_opts.should == {:cwd => '/tmp'} @resource.run_action(:purr) end it "runs not_if as a command when it is a string" do Chef::Resource::Conditional.any_instance.should_receive(:evaluate_command).at_least(1).times @resource.not_if "pwd" @resource.run_action(:purr) end it "runs not_if as a block when it is a ruby block" do Chef::Resource::Conditional.any_instance.should_receive(:evaluate_block).at_least(1).times @resource.not_if { puts 'foo' } @resource.run_action(:purr) end it "does not run not_if if no not_if command is given" do @resource.run_action(:purr) end it "accepts command options for not_if conditionals" do @resource.not_if("pwd" , :cwd => '/tmp') @resource.not_if.first.command_opts.should == {:cwd => '/tmp'} end it "accepts multiple not_if conditionals" do snitch_var1, snitch_var2 = true, true @resource.not_if {snitch_var1 = nil} @resource.not_if {snitch_var2 = false} @resource.run_action(:purr) snitch_var1.should be_nil snitch_var2.should be_false end end describe "building the platform map" do it 'adds mappings for a single platform' do klz = Class.new(Chef::Resource) Chef::Resource.platform_map.should_receive(:set).with( :platform => :autobots, :short_name => :dinobot, :resource => klz ) klz.provides :dinobot, :on_platforms => ['autobots'] end it 'adds mappings for multiple platforms' do klz = Class.new(Chef::Resource) Chef::Resource.platform_map.should_receive(:set).twice klz.provides :energy, :on_platforms => ['autobots','decepticons'] end it 'adds mappings for all platforms' do klz = Class.new(Chef::Resource) Chef::Resource.platform_map.should_receive(:set).with( :short_name => :tape_deck, :resource => klz ) klz.provides :tape_deck end end describe "lookups from the platform map" do before(:each) do @node = Chef::Node.new @node.name("bumblebee") @node.automatic[:platform] = "autobots" @node.automatic[:platform_version] = "6.1" Object.const_set('Soundwave', Class.new(Chef::Resource)) Object.const_set('Grimlock', Class.new(Chef::Resource){ provides :dinobot, :on_platforms => ['autobots'] }) end after(:each) do Object.send(:remove_const, :Soundwave) Object.send(:remove_const, :Grimlock) end describe "resource_for_platform" do it 'return a resource by short_name and platform' do Chef::Resource.resource_for_platform(:dinobot,'autobots','6.1').should eql(Grimlock) end it "returns a resource by short_name if nothing else matches" do Chef::Resource.resource_for_node(:soundwave, @node).should eql(Soundwave) end end describe "resource_for_node" do it "returns a resource by short_name and node" do Chef::Resource.resource_for_node(:dinobot, @node).should eql(Grimlock) end it "returns a resource by short_name if nothing else matches" do Chef::Resource.resource_for_node(:soundwave, @node).should eql(Soundwave) end end end end describe Chef::Resource::Notification do before do @notification = Chef::Resource::Notification.new(:service_apache, :restart, :template_httpd_conf) end it "has a resource to be notified" do @notification.resource.should == :service_apache end it "has an action to take on the service" do @notification.action.should == :restart end it "has a notifying resource" do @notification.notifying_resource.should == :template_httpd_conf end it "is a duplicate of another notification with the same target resource and action" do other = Chef::Resource::Notification.new(:service_apache, :restart, :sync_web_app_code) @notification.duplicates?(other).should be_true end it "is not a duplicate of another notification if the actions differ" do other = Chef::Resource::Notification.new(:service_apache, :enable, :install_apache) @notification.duplicates?(other).should be_false end it "is not a duplicate of another notification if the target resources differ" do other = Chef::Resource::Notification.new(:service_sshd, :restart, :template_httpd_conf) @notification.duplicates?(other).should be_false end it "raises an ArgumentError if you try to check a non-ducktype object for duplication" do lambda {@notification.duplicates?(:not_a_notification)}.should raise_error(ArgumentError) end it "takes no action to resolve a resource reference that doesn't need to be resolved" do @keyboard_cat = Chef::Resource::Cat.new("keyboard_cat") @notification.resource = @keyboard_cat @long_cat = Chef::Resource::Cat.new("long_cat") @notification.notifying_resource = @long_cat @resource_collection = Chef::ResourceCollection.new # would raise an error since the resource is not in the collection @notification.resolve_resource_reference(@resource_collection) @notification.resource.should == @keyboard_cat end it "resolves a lazy reference to a resource" do @notification.resource = {:cat => "keyboard_cat"} @keyboard_cat = Chef::Resource::Cat.new("keyboard_cat") @resource_collection = Chef::ResourceCollection.new @resource_collection << @keyboard_cat @long_cat = Chef::Resource::Cat.new("long_cat") @notification.notifying_resource = @long_cat @notification.resolve_resource_reference(@resource_collection) @notification.resource.should == @keyboard_cat end it "resolves a lazy reference to its notifying resource" do @keyboard_cat = Chef::Resource::Cat.new("keyboard_cat") @notification.resource = @keyboard_cat @notification.notifying_resource = {:cat => "long_cat"} @long_cat = Chef::Resource::Cat.new("long_cat") @resource_collection = Chef::ResourceCollection.new @resource_collection << @long_cat @notification.resolve_resource_reference(@resource_collection) @notification.notifying_resource.should == @long_cat end it "resolves lazy references to both its resource and its notifying resource" do @notification.resource = {:cat => "keyboard_cat"} @keyboard_cat = Chef::Resource::Cat.new("keyboard_cat") @resource_collection = Chef::ResourceCollection.new @resource_collection << @keyboard_cat @notification.notifying_resource = {:cat => "long_cat"} @long_cat = Chef::Resource::Cat.new("long_cat") @resource_collection << @long_cat @notification.resolve_resource_reference(@resource_collection) @notification.resource.should == @keyboard_cat @notification.notifying_resource.should == @long_cat end it "raises a RuntimeError if you try to reference multiple resources" do @notification.resource = {:cat => ["keyboard_cat", "cheez_cat"]} @keyboard_cat = Chef::Resource::Cat.new("keyboard_cat") @cheez_cat = Chef::Resource::Cat.new("cheez_cat") @resource_collection = Chef::ResourceCollection.new @resource_collection << @keyboard_cat @resource_collection << @cheez_cat @long_cat = Chef::Resource::Cat.new("long_cat") @notification.notifying_resource = @long_cat lambda {@notification.resolve_resource_reference(@resource_collection)}.should raise_error(RuntimeError) end it "raises a RuntimeError if you try to reference multiple notifying resources" do @notification.notifying_resource = {:cat => ["long_cat", "cheez_cat"]} @long_cat = Chef::Resource::Cat.new("long_cat") @cheez_cat = Chef::Resource::Cat.new("cheez_cat") @resource_collection = Chef::ResourceCollection.new @resource_collection << @long_cat @resource_collection << @cheez_cat @keyboard_cat = Chef::Resource::Cat.new("keyboard_cat") @notification.resource = @keyboard_cat lambda {@notification.resolve_resource_reference(@resource_collection)}.should raise_error(RuntimeError) end it "raises a RuntimeError if it can't find a resource in the resource collection when resolving a lazy reference" do @notification.resource = {:cat => "keyboard_cat"} @cheez_cat = Chef::Resource::Cat.new("cheez_cat") @resource_collection = Chef::ResourceCollection.new @resource_collection << @cheez_cat @long_cat = Chef::Resource::Cat.new("long_cat") @notification.notifying_resource = @long_cat lambda {@notification.resolve_resource_reference(@resource_collection)}.should raise_error(RuntimeError) end it "raises a RuntimeError if it can't find a notifying resource in the resource collection when resolving a lazy reference" do @notification.notifying_resource = {:cat => "long_cat"} @cheez_cat = Chef::Resource::Cat.new("cheez_cat") @resource_collection = Chef::ResourceCollection.new @resource_collection << @cheez_cat @keyboard_cat = Chef::Resource::Cat.new("keyboard_cat") @notification.resource = @keyboard_cat lambda {@notification.resolve_resource_reference(@resource_collection)}.should raise_error(RuntimeError) end it "raises an ArgumentError if improper syntax is used in the lazy reference to its resource" do @notification.resource = "cat => keyboard_cat" @keyboard_cat = Chef::Resource::Cat.new("keyboard_cat") @resource_collection = Chef::ResourceCollection.new @resource_collection << @keyboard_cat @long_cat = Chef::Resource::Cat.new("long_cat") @notification.notifying_resource = @long_cat lambda {@notification.resolve_resource_reference(@resource_collection)}.should raise_error(ArgumentError) end it "raises an ArgumentError if improper syntax is used in the lazy reference to its notifying resource" do @notification.notifying_resource = "cat => long_cat" @long_cat = Chef::Resource::Cat.new("long_cat") @resource_collection = Chef::ResourceCollection.new @resource_collection << @long_cat @keyboard_cat = Chef::Resource::Cat.new("keyboard_cat") @notification.resource = @keyboard_cat lambda {@notification.resolve_resource_reference(@resource_collection)}.should raise_error(ArgumentError) end # Create test to resolve lazy references to both notifying resource and dest. resource # Create tests to check proper error raising end