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#
# Author:: Daniel DeLeo (<dan@getchef.com>)
# Copyright:: Copyright 2014 Chef Software, 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"
require "chef/policy_builder"
describe Chef::PolicyBuilder::Dynamic do
let(:node_name) { "joe_node" }
let(:ohai_data) { {"platform" => "ubuntu", "platform_version" => "13.04", "fqdn" => "joenode.example.com"} }
let(:json_attribs) { {"custom_attr" => "custom_attr_value"} }
let(:override_runlist) { nil }
let(:events) { Chef::EventDispatch::Dispatcher.new }
let(:err_namespace) { Chef::PolicyBuilder::Policyfile }
let(:base_node) do
node = Chef::Node.new
node.name(node_name)
node
end
let(:node) { base_node }
subject(:policy_builder) { Chef::PolicyBuilder::Dynamic.new(node_name, ohai_data, json_attribs, override_runlist, events) }
describe "loading policy data" do
describe "delegating PolicyBuilder API to the correct implementation" do
let(:implementation) { instance_double("Chef::PolicyBuilder::Policyfile") }
before do
allow(policy_builder).to receive(:implementation).and_return(implementation)
end
# Dynamic should load_node, figure out the correct backend, then forward
# messages to it after. That behavior is tested below.
it "responds to #load_node" do
expect(policy_builder).to respond_to(:load_node)
end
it "forwards #original_runlist" do
expect(implementation).to receive(:original_runlist)
policy_builder.original_runlist
end
it "forwards #run_context" do
expect(implementation).to receive(:run_context)
policy_builder.run_context
end
it "forwards #run_list_expansion" do
expect(implementation).to receive(:run_list_expansion)
policy_builder.run_list_expansion
end
it "forwards #build_node to the implementation object" do
expect(implementation).to receive(:build_node)
policy_builder.build_node
end
it "forwards #setup_run_context to the implementation object" do
expect(implementation).to receive(:setup_run_context)
policy_builder.setup_run_context
arg = Object.new
expect(implementation).to receive(:setup_run_context).with(arg)
policy_builder.setup_run_context(arg)
end
it "forwards #expand_run_list to the implementation object" do
expect(implementation).to receive(:expand_run_list)
policy_builder.expand_run_list
end
it "forwards #sync_cookbooks to the implementation object" do
expect(implementation).to receive(:sync_cookbooks)
policy_builder.sync_cookbooks
end
it "forwards #temporary_policy? to the implementation object" do
expect(implementation).to receive(:temporary_policy?)
policy_builder.temporary_policy?
end
end
describe "selecting a backend implementation" do
let(:implementation) do
policy_builder.select_implementation(node)
policy_builder.implementation
end
context "when no policyfile attributes are present on the node" do
context "and json_attribs are not given" do
let(:json_attribs) { {} }
it "uses the ExpandNodeObject implementation" do
expect(implementation).to be_a(Chef::PolicyBuilder::ExpandNodeObject)
end
end
context "and no policyfile attributes are present in json_attribs" do
let(:json_attribs) { {"foo" => "bar"} }
it "uses the ExpandNodeObject implementation" do
expect(implementation).to be_a(Chef::PolicyBuilder::ExpandNodeObject)
end
end
context "and :use_policyfile is set in Chef::Config" do
before do
Chef::Config[:use_policyfile] = true
end
it "uses the Policyfile implementation" do
expect(implementation).to be_a(Chef::PolicyBuilder::Policyfile)
end
end
context "and policy_name and policy_group are set on Chef::Config" do
before do
Chef::Config[:policy_name] = "example-policy"
Chef::Config[:policy_group] = "testing"
end
it "uses the Policyfile implementation" do
expect(implementation).to be_a(Chef::PolicyBuilder::Policyfile)
end
end
context "and deployment_group and policy_document_native_api are set on Chef::Config" do
before do
Chef::Config[:deployment_group] = "example-policy-staging"
Chef::Config[:policy_document_native_api] = false
end
it "uses the Policyfile implementation" do
expect(implementation).to be_a(Chef::PolicyBuilder::Policyfile)
end
end
context "and policyfile attributes are present in json_attribs" do
let(:json_attribs) { {"policy_name" => "example-policy", "policy_group" => "testing"} }
it "uses the Policyfile implementation" do
expect(implementation).to be_a(Chef::PolicyBuilder::Policyfile)
end
end
end
context "when policyfile attributes are present on the node" do
let(:node) do
base_node.policy_name = "example-policy"
base_node.policy_group = "staging"
base_node
end
it "uses the Policyfile implementation" do
expect(implementation).to be_a(Chef::PolicyBuilder::Policyfile)
end
end
end
describe "loading a node" do
let(:implementation) { instance_double("Chef::PolicyBuilder::Policyfile") }
before do
allow(policy_builder).to receive(:implementation).and_return(implementation)
end
context "when not running chef solo" do
context "when successful" do
before do
expect(Chef::Node).to receive(:find_or_create).with(node_name).and_return(node)
expect(policy_builder).to receive(:select_implementation).with(node)
expect(implementation).to receive(:finish_load_node).with(node)
end
it "selects the backend implementation and continues node loading" do
policy_builder.load_node
end
end
context "when an error occurs finding the node" do
before do
expect(Chef::Node).to receive(:find_or_create).with(node_name).and_raise("oops")
end
it "sends a node_load_failed event and re-raises" do
expect(events).to receive(:node_load_failed)
expect { policy_builder.load_node }.to raise_error("oops")
end
end
context "when an error occurs in the implementation's finish_load_node call" do
before do
expect(Chef::Node).to receive(:find_or_create).with(node_name).and_return(node)
expect(policy_builder).to receive(:select_implementation).with(node)
expect(implementation).to receive(:finish_load_node).and_raise("oops")
end
it "sends a node_load_failed event and re-raises" do
expect(events).to receive(:node_load_failed)
expect { policy_builder.load_node }.to raise_error("oops")
end
end
end
context "when running chef solo" do
before do
Chef::Config[:solo] = true
expect(Chef::Node).to receive(:build).with(node_name).and_return(node)
expect(policy_builder).to receive(:select_implementation).with(node)
expect(implementation).to receive(:finish_load_node).with(node)
end
it "selects the backend implementation and continues node loading" do
policy_builder.load_node
end
end
end
end
end
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