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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 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 File.expand_path(File.join(File.dirname(__FILE__), "..", "spec_helper"))
describe Chef::Node do
before(:each) do
Chef::Config.node_path(File.expand_path(File.join(CHEF_SPEC_DATA, "nodes")))
@node = Chef::Node.new()
end
it "creates a node and assigns it a name" do
node = Chef::Node.build('solo-node')
node.name.should == 'solo-node'
end
it "should validate the name of the node" do
lambda{Chef::Node.build('solo node')}.should raise_error(Chef::Exceptions::ValidationFailed)
end
describe "when the node does not exist on the server" do
before do
response = OpenStruct.new(:code => '404')
exception = Net::HTTPServerException.new("404 not found", response)
Chef::Node.stub!(:load).and_raise(exception)
@node.name("created-node")
end
it "creates a new node for find_or_create" do
Chef::Node.stub!(:new).and_return(@node)
@node.should_receive(:create).and_return(@node)
node = Chef::Node.find_or_create("created-node")
node.name.should == 'created-node'
node.should equal(@node)
end
end
describe "when the node exists on the server" do
before do
@node.name('existing-node')
Chef::Node.stub!(:load).and_return(@node)
end
it "loads the node via the REST API for find_or_create" do
Chef::Node.find_or_create('existing-node').should equal(@node)
end
end
describe "run_state" do
it "should have a template_cache hash" do
@node.run_state[:template_cache].should be_a_kind_of(Hash)
end
it "should have a seen_recipes hash" do
@node.run_state[:seen_recipes].should be_a_kind_of(Hash)
end
end
describe "initialize" do
it "should default to the '_default' chef_environment" do
n = Chef::Node.new
n.chef_environment.should == '_default'
end
end
describe "name" do
it "should allow you to set a name with name(something)" do
lambda { @node.name("latte") }.should_not raise_error
end
it "should return the name with name()" do
@node.name("latte")
@node.name.should eql("latte")
end
it "should always have a string for name" do
lambda { @node.name(Hash.new) }.should raise_error(ArgumentError)
end
it "cannot be blank" do
lambda { @node.name("")}.should raise_error(Chef::Exceptions::ValidationFailed)
end
it "should not accept name doesn't match /^[\-[:alnum:]_:.]+$/" do
lambda { @node.name("space in it")}.should raise_error(Chef::Exceptions::ValidationFailed)
end
end
describe "chef_environment" do
it "should set an environment with chef_environment(something)" do
lambda { @node.chef_environment("latte") }.should_not raise_error
end
it "should return the chef_environment with chef_environment()" do
@node.chef_environment("latte")
@node.chef_environment.should == "latte"
end
it "should disallow non-strings" do
lambda { @node.chef_environment(Hash.new) }.should raise_error(ArgumentError)
lambda { @node.chef_environment(42) }.should raise_error(ArgumentError)
end
it "cannot be blank" do
lambda { @node.chef_environment("")}.should raise_error(Chef::Exceptions::ValidationFailed)
end
end
describe "attributes" do
it "should be loaded from the node's cookbooks" do
@cookbook_repo = File.expand_path(File.join(File.dirname(__FILE__), "..", "data", "cookbooks"))
@node.cookbook_collection = Chef::CookbookCollection.new(Chef::CookbookLoader.new(@cookbook_repo))
@node.load_attributes
@node.ldap_server.should eql("ops1prod")
@node.ldap_basedn.should eql("dc=hjksolutions,dc=com")
@node.ldap_replication_password.should eql("forsure")
@node.smokey.should eql("robinson")
end
it "should have attributes" do
@node.attribute.should be_a_kind_of(Hash)
end
it "should allow attributes to be accessed by name or symbol directly on node[]" do
@node.attribute["locust"] = "something"
@node[:locust].should eql("something")
@node["locust"].should eql("something")
end
it "should return nil if it cannot find an attribute with node[]" do
@node["secret"].should eql(nil)
end
it "should allow you to set an attribute via node[]=" do
@node["secret"] = "shush"
@node["secret"].should eql("shush")
end
it "should allow you to query whether an attribute exists with attribute?" do
@node.attribute["locust"] = "something"
@node.attribute?("locust").should eql(true)
@node.attribute?("no dice").should eql(false)
end
it "should let you go deep with attribute?" do
@node.set["battles"]["people"]["wonkey"] = true
@node["battles"]["people"].attribute?("wonkey").should == true
@node["battles"]["people"].attribute?("snozzberry").should == false
end
it "should allow you to set an attribute via method_missing" do
@node.sunshine "is bright"
@node.attribute[:sunshine].should eql("is bright")
end
it "should allow you get get an attribute via method_missing" do
@node.sunshine "is bright"
@node.sunshine.should eql("is bright")
end
describe "normal attributes" do
it "should allow you to set an attribute with set, without pre-declaring a hash" do
@node.set[:snoopy][:is_a_puppy] = true
@node[:snoopy][:is_a_puppy].should == true
end
it "should allow you to set an attribute with set_unless" do
@node.set_unless[:snoopy][:is_a_puppy] = false
@node[:snoopy][:is_a_puppy].should == false
end
it "should not allow you to set an attribute with set_unless if it already exists" do
@node.set[:snoopy][:is_a_puppy] = true
@node.set_unless[:snoopy][:is_a_puppy] = false
@node[:snoopy][:is_a_puppy].should == true
end
it "auto-vivifies attributes created via method syntax" do
@node.set.fuu.bahrr.baz = "qux"
@node.fuu.bahrr.baz.should == "qux"
end
end
describe "default attributes" do
it "should be set with default, without pre-declaring a hash" do
@node.default[:snoopy][:is_a_puppy] = true
@node[:snoopy][:is_a_puppy].should == true
end
it "should allow you to set with default_unless without pre-declaring a hash" do
@node.default_unless[:snoopy][:is_a_puppy] = false
@node[:snoopy][:is_a_puppy].should == false
end
it "should not allow you to set an attribute with default_unless if it already exists" do
@node.default[:snoopy][:is_a_puppy] = true
@node.default_unless[:snoopy][:is_a_puppy] = false
@node[:snoopy][:is_a_puppy].should == true
end
it "auto-vivifies attributes created via method syntax" do
@node.default.fuu.bahrr.baz = "qux"
@node.fuu.bahrr.baz.should == "qux"
end
end
describe "override attributes" do
it "should be set with override, without pre-declaring a hash" do
@node.override[:snoopy][:is_a_puppy] = true
@node[:snoopy][:is_a_puppy].should == true
end
it "should allow you to set with override_unless without pre-declaring a hash" do
@node.override_unless[:snoopy][:is_a_puppy] = false
@node[:snoopy][:is_a_puppy].should == false
end
it "should not allow you to set an attribute with override_unless if it already exists" do
@node.override[:snoopy][:is_a_puppy] = true
@node.override_unless[:snoopy][:is_a_puppy] = false
@node[:snoopy][:is_a_puppy].should == true
end
it "auto-vivifies attributes created via method syntax" do
@node.override.fuu.bahrr.baz = "qux"
@node.fuu.bahrr.baz.should == "qux"
end
end
it "should raise an ArgumentError if you ask for an attribute that doesn't exist via method_missing" do
lambda { @node.sunshine }.should raise_error(ArgumentError)
end
it "should allow you to iterate over attributes with each_attribute" do
@node.sunshine "is bright"
@node.canada "is a nice place"
seen_attributes = Hash.new
@node.each_attribute do |a,v|
seen_attributes[a] = v
end
seen_attributes.should have_key("sunshine")
seen_attributes.should have_key("canada")
seen_attributes["sunshine"].should == "is bright"
seen_attributes["canada"].should == "is a nice place"
end
end
describe "consuming json" do
before do
@ohai_data = {:platform => 'foo', :platform_version => 'bar'}
end
it "consumes the run list portion of a collection of attributes and returns the remainder" do
attrs = {"run_list" => [ "role[base]", "recipe[chef::server]" ], "foo" => "bar"}
@node.consume_run_list(attrs).should == {"foo" => "bar"}
@node.run_list.should == [ "role[base]", "recipe[chef::server]" ]
end
it "should overwrites the run list with the run list it consumes" do
@node.consume_run_list "recipes" => [ "one", "two" ]
@node.consume_run_list "recipes" => [ "three" ]
@node.run_list.should == [ "three" ]
end
it "should not add duplicate recipes from the json attributes" do
@node.run_list << "one"
@node.consume_run_list "recipes" => [ "one", "two", "three" ]
@node.run_list.should == [ "one", "two", "three" ]
end
it "doesn't change the run list if no run_list is specified in the json" do
@node.run_list << "role[database]"
@node.consume_run_list "foo" => "bar"
@node.run_list.should == ["role[database]"]
end
it "raises an exception if you provide both recipe and run_list attributes, since this is ambiguous" do
lambda { @node.consume_run_list "recipes" => "stuff", "run_list" => "other_stuff" }.should raise_error(Chef::Exceptions::AmbiguousRunlistSpecification)
end
it "should add json attributes to the node" do
@node.consume_external_attrs(@ohai_data, {"one" => "two", "three" => "four"})
@node.one.should eql("two")
@node.three.should eql("four")
end
it "should set the tags attribute to an empty array if it is not already defined" do
@node.consume_external_attrs(@ohai_data, {})
@node.tags.should eql([])
end
it "should not set the tags attribute to an empty array if it is already defined" do
@node[:tags] = [ "radiohead" ]
@node.consume_external_attrs(@ohai_data, {})
@node.tags.should eql([ "radiohead" ])
end
it "deep merges attributes instead of overwriting them" do
@node.consume_external_attrs(@ohai_data, "one" => {"two" => {"three" => "four"}})
@node.one.to_hash.should == {"two" => {"three" => "four"}}
@node.consume_external_attrs(@ohai_data, "one" => {"abc" => "123"})
@node.consume_external_attrs(@ohai_data, "one" => {"two" => {"foo" => "bar"}})
@node.one.to_hash.should == {"two" => {"three" => "four", "foo" => "bar"}, "abc" => "123"}
end
it "gives attributes from JSON priority when deep merging" do
@node.consume_external_attrs(@ohai_data, "one" => {"two" => {"three" => "four"}})
@node.one.to_hash.should == {"two" => {"three" => "four"}}
@node.consume_external_attrs(@ohai_data, "one" => {"two" => {"three" => "forty-two"}})
@node.one.to_hash.should == {"two" => {"three" => "forty-two"}}
end
end
describe "preparing for a chef client run" do
before do
@ohai_data = {:platform => 'foobuntu', :platform_version => '23.42'}
end
it "sets its platform according to platform detection" do
@node.consume_external_attrs(@ohai_data, {})
@node.automatic_attrs[:platform].should == 'foobuntu'
@node.automatic_attrs[:platform_version].should == '23.42'
end
it "consumes the run list from provided json attributes" do
@node.consume_external_attrs(@ohai_data, {"run_list" => ['recipe[unicorn]']})
@node.run_list.should == ['recipe[unicorn]']
end
it "saves non-runlist json attrs for later" do
expansion = Chef::RunList::RunListExpansion.new('_default', [])
@node.run_list.stub!(:expand).and_return(expansion)
@node.consume_external_attrs(@ohai_data, {"foo" => "bar"})
@node.expand!
@node.normal_attrs.should == {"foo" => "bar", "tags" => []}
end
end
describe "when expanding its run list and merging attributes" do
before do
@expansion = Chef::RunList::RunListExpansion.new("_default", [])
@node.run_list.stub!(:expand).and_return(@expansion)
end
it "sets the 'recipes' automatic attribute to the recipes in the expanded run_list" do
@expansion.recipes << 'recipe[chef::client]' << 'recipe[nginx::default]'
@node.expand!
@node.automatic_attrs[:recipes].should == ['recipe[chef::client]', 'recipe[nginx::default]']
end
it "sets the 'roles' automatic attribute to the expanded role list" do
@expansion.instance_variable_set(:@applied_roles, {'lrf' => nil, 'countersnark' => nil})
@node.expand!
@node.automatic_attrs[:roles].should == ['lrf', 'countersnark']
end
end
# TODO: timh, cw: 2010-5-19: Node.recipe? deprecated. See node.rb
# describe "recipes" do
# it "should have a RunList of recipes that should be applied" do
# @node.recipes.should be_a_kind_of(Chef::RunList)
# end
#
# it "should allow you to query whether or not it has a recipe applied with recipe?" do
# @node.recipes << "sunrise"
# @node.recipe?("sunrise").should eql(true)
# @node.recipe?("not at home").should eql(false)
# end
#
# it "should allow you to query whether or not a recipe has been applied, even if it was included" do
# @node.run_state[:seen_recipes]["snakes"] = true
# @node.recipe?("snakes").should eql(true)
# end
#
# it "should return false if a recipe has not been seen" do
# @node.recipe?("snakes").should eql(false)
# end
#
# it "should allow you to set recipes with arguments" do
# @node.recipes "one", "two"
# @node.recipe?("one").should eql(true)
# @node.recipe?("two").should eql(true)
# end
# end
describe "roles" do
it "should allow you to query whether or not it has a recipe applied with role?" do
@node.run_list << "role[sunrise]"
@node.role?("sunrise").should eql(true)
@node.role?("not at home").should eql(false)
end
it "should allow you to set roles with arguments" do
@node.run_list << "role[one]"
@node.run_list << "role[two]"
@node.role?("one").should eql(true)
@node.role?("two").should eql(true)
end
end
describe "run_list" do
it "should have a Chef::RunList of recipes and roles that should be applied" do
@node.run_list.should be_a_kind_of(Chef::RunList)
end
it "should allow you to query the run list with arguments" do
@node.run_list "recipe[baz]"
@node.run_list?("recipe[baz]").should eql(true)
end
it "should allow you to set the run list with arguments" do
@node.run_list "recipe[baz]", "role[foo]"
@node.run_list?("recipe[baz]").should eql(true)
@node.run_list?("role[foo]").should eql(true)
end
end
describe "from file" do
it "should load a node from a ruby file" do
@node.from_file(File.expand_path(File.join(CHEF_SPEC_DATA, "nodes", "test.rb")))
@node.name.should eql("test.example.com-short")
@node.sunshine.should eql("in")
@node.something.should eql("else")
@node.recipes.should == ["operations-master", "operations-monitoring"]
end
it "should raise an exception if the file cannot be found or read" do
lambda { @node.from_file("/tmp/monkeydiving") }.should raise_error(IOError)
end
end
describe "find_file" do
it "should load a node from a file by fqdn" do
@node.find_file("test.example.com")
@node.name.should == "test.example.com"
@node.chef_environment.should == "dev"
end
it "should load a node from a file by hostname" do
File.stub!(:exists?).and_return(true)
File.should_receive(:exists?).with(File.join(Chef::Config[:node_path], "test.example.com.rb")).and_return(false)
@node.find_file("test.example.com")
@node.name.should == "test.example.com-short"
end
it "should load a node from the default file" do
File.stub!(:exists?).and_return(true)
File.should_receive(:exists?).with(File.join(Chef::Config[:node_path], "test.example.com.rb")).and_return(false)
File.should_receive(:exists?).with(File.join(Chef::Config[:node_path], "test.rb")).and_return(false)
@node.find_file("test.example.com")
@node.name.should == "test.example.com-default"
end
it "should raise an ArgumentError if it cannot find any node file at all" do
File.stub!(:exists?).and_return(true)
File.should_receive(:exists?).with(File.join(Chef::Config[:node_path], "test.example.com.rb")).and_return(false)
File.should_receive(:exists?).with(File.join(Chef::Config[:node_path], "test.rb")).and_return(false)
File.should_receive(:exists?).with(File.join(Chef::Config[:node_path], "default.rb")).and_return(false)
lambda { @node.find_file("test.example.com") }.should raise_error(ArgumentError)
end
end
describe "update_from!" do
before(:each) do
@node.name("orig")
@node.chef_environment("dev")
@node.default_attrs = { "one" => { "two" => "three", "four" => "five", "eight" => "nine" } }
@node.override_attrs = { "one" => { "two" => "three", "four" => "six" } }
@node.normal_attrs = { "one" => { "two" => "seven" } }
@node.run_list << "role[marxist]"
@node.run_list << "role[leninist]"
@node.run_list << "recipe[stalinist]"
@example = Chef::Node.new()
@example.name("newname")
@example.chef_environment("prod")
@example.default_attrs = { "alpha" => { "bravo" => "charlie", "delta" => "echo" } }
@example.override_attrs = { "alpha" => { "bravo" => "foxtrot", "delta" => "golf" } }
@example.normal_attrs = { "alpha" => { "bravo" => "hotel" } }
@example.run_list << "role[comedy]"
@example.run_list << "role[drama]"
@example.run_list << "recipe[mystery]"
end
it "allows update of everything except name" do
@node.update_from!(@example)
@node.name.should == "orig"
@node.chef_environment.should == @example.chef_environment
@node.default_attrs.should == @example.default_attrs
@node.override_attrs.should == @example.override_attrs
@node.normal_attrs.should == @example.normal_attrs
@node.run_list.should == @example.run_list
end
it "should not update the name of the node" do
@node.should_not_receive(:name).with(@example.name)
@node.update_from!(@example)
end
end
describe "to_hash" do
it "should serialize itself as a hash" do
@node.chef_environment("dev")
@node.default_attrs = { "one" => { "two" => "three", "four" => "five", "eight" => "nine" } }
@node.override_attrs = { "one" => { "two" => "three", "four" => "six" } }
@node.normal_attrs = { "one" => { "two" => "seven" } }
@node.run_list << "role[marxist]"
@node.run_list << "role[leninist]"
@node.run_list << "recipe[stalinist]"
h = @node.to_hash
h["one"]["two"].should == "three"
h["one"]["four"].should == "six"
h["one"]["eight"].should == "nine"
h["role"].should be_include("marxist")
h["role"].should be_include("leninist")
h["run_list"].should be_include("role[marxist]")
h["run_list"].should be_include("role[leninist]")
h["run_list"].should be_include("recipe[stalinist]")
h["chef_environment"].should == "dev"
end
end
describe "json" do
it "should serialize itself as json" do
@node.find_file("test.example.com")
json = Chef::JSONCompat.to_json(@node)
json.should =~ /json_class/
json.should =~ /name/
json.should =~ /chef_environment/
json.should =~ /normal/
json.should =~ /default/
json.should =~ /override/
json.should =~ /run_list/
end
it "should deserialize itself from json" do
@node.find_file("test.example.com")
json = Chef::JSONCompat.to_json(@node)
serialized_node = Chef::JSONCompat.from_json(json)
serialized_node.should be_a_kind_of(Chef::Node)
serialized_node.name.should eql(@node.name)
serialized_node.chef_environment.should eql(@node.chef_environment)
@node.each_attribute do |k,v|
serialized_node[k].should eql(v)
end
serialized_node.run_list.should == @node.run_list
end
end
describe "to_s" do
it "should turn into a string like node[name]" do
@node.name("airplane")
@node.to_s.should eql("node[airplane]")
end
end
describe "api model" do
before(:each) do
@rest = mock("Chef::REST")
Chef::REST.stub!(:new).and_return(@rest)
@query = mock("Chef::Search::Query")
Chef::Search::Query.stub!(:new).and_return(@query)
end
describe "list" do
describe "inflated" do
it "should return a hash of node names and objects" do
n1 = mock("Chef::Node", :name => "one")
@query.should_receive(:search).with(:node).and_yield(n1)
r = Chef::Node.list(true)
r["one"].should == n1
end
end
it "should return a hash of node names and urls" do
@rest.should_receive(:get_rest).and_return({ "one" => "http://foo" })
r = Chef::Node.list
r["one"].should == "http://foo"
end
end
describe "load" do
it "should load a node by name" do
@rest.should_receive(:get_rest).with("nodes/monkey").and_return("foo")
Chef::Node.load("monkey").should == "foo"
end
end
describe "destroy" do
it "should destroy a node" do
@rest.should_receive(:delete_rest).with("nodes/monkey").and_return("foo")
@node.name("monkey")
@node.destroy
end
end
describe "save" do
it "should update a node if it already exists" do
@node.name("monkey")
@rest.should_receive(:put_rest).with("nodes/monkey", @node).and_return("foo")
@node.save
end
it "should not try and create if it can update" do
@node.name("monkey")
@rest.should_receive(:put_rest).with("nodes/monkey", @node).and_return("foo")
@rest.should_not_receive(:post_rest)
@node.save
end
it "should create if it cannot update" do
@node.name("monkey")
exception = mock("404 error", :code => "404")
@rest.should_receive(:put_rest).and_raise(Net::HTTPServerException.new("foo", exception))
@rest.should_receive(:post_rest).with("nodes", @node)
@node.save
end
end
end
describe "acting as a CouchDB-backed model" do
before(:each) do
@couchdb = Chef::CouchDB.new
end
describe "list" do
before(:each) do
@mock_couch.stub!(:list).and_return(
{ "rows" => [ { "value" => "a", "key" => "avenue" } ] }
)
Chef::CouchDB.stub!(:new).and_return(@mock_couch)
end
it "should retrieve a list of nodes from CouchDB" do
Chef::Node.cdb_list.should eql(["avenue"])
end
it "should return just the ids if inflate is false" do
Chef::Node.cdb_list(false).should eql(["avenue"])
end
it "should return the full objects if inflate is true" do
Chef::Node.cdb_list(true).should eql(["a"])
end
end
describe "when loading a given node" do
it "should load a node from couchdb by name" do
@couchdb.should_receive(:load).with("node", "coffee").and_return(true)
Chef::CouchDB.stub!(:new).and_return(@couchdb)
Chef::Node.cdb_load("coffee")
end
end
describe "when destroying a Node" do
it "should delete this node from couchdb" do
@couchdb.should_receive(:delete).with("node", "bob", 1).and_return(true)
Chef::CouchDB.stub!(:new).and_return(@couchdb)
node = Chef::Node.new
node.name "bob"
node.couchdb_rev = 1
node.cdb_destroy
end
end
describe "when saving a Node" do
before(:each) do
@couchdb.stub!(:store).and_return({ "rev" => 33 })
Chef::CouchDB.stub!(:new).and_return(@couchdb)
@node = Chef::Node.new
@node.name "bob"
@node.couchdb_rev = 1
end
it "should save the node to couchdb" do
@couchdb.should_receive(:store).with("node", "bob", @node).and_return({ "rev" => 33 })
@node.cdb_save
end
it "should store the new couchdb_rev" do
@node.cdb_save
@node.couchdb_rev.should eql(33)
end
end
describe "create_design_document" do
it "should create our design document" do
@couchdb.should_receive(:create_design_document).with("nodes", Chef::Node::DESIGN_DOCUMENT)
Chef::CouchDB.stub!(:new).and_return(@couchdb)
Chef::Node.create_design_document
end
end
end
end