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#
# Author:: Serdar Sutay (<serdar@getchef.com>)
# Copyright:: Copyright (c) 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'
describe Chef::ResourceCollection::ResourceList do
let(:resource_list) { Chef::ResourceCollection::ResourceList.new() }
let(:resource) { Chef::Resource::ZenMaster.new("makoto") }
let(:second_resource) { Chef::Resource::ZenMaster.new("hattori") }
describe "initialize" do
it "should return a Chef::ResourceList" do
expect(resource_list).to be_instance_of(Chef::ResourceCollection::ResourceList)
end
end
describe "insert" do
it "should be able to insert a Chef::Resource" do
lambda { resource_list.insert(resource) }.should_not raise_error
resource_list[0].should be(resource)
end
it "should insert things in order" do
lambda { resource_list.insert(resource) }.should_not raise_error
lambda { resource_list.insert(second_resource) }.should_not raise_error
resource_list[0].should be(resource)
resource_list[1].should be(second_resource)
end
it "should raise error when trying to install something other than Chef::Resource" do
lambda { resource_list.insert("not a resource") }.should raise_error(ArgumentError)
end
end
describe "accessors" do
it "should be able to insert with []=" do
lambda { resource_list[0] = resource }.should_not raise_error
lambda { resource_list[1] = second_resource }.should_not raise_error
resource_list[0].should be(resource)
resource_list[1].should be(second_resource)
end
it "should be empty by default" do
resource_list.empty?.should be_true
end
describe "when resources are inserted" do
before do
lambda { resource_list.insert(resource) }.should_not raise_error
lambda { resource_list.insert(second_resource) }.should_not raise_error
end
it "should get resources with all_resources method" do
resources = resource_list.all_resources
resources[0].should be(resource)
resources[1].should be(second_resource)
end
it "should be able to get resources with each" do
current = 0
resource_list.each do |r|
case current
when 0
r.should be(resource)
current += 1
when 1
r.should be(second_resource)
else
raise "Unexpected resource"
end
end
current.should eq(1)
end
it "should be able to get resources with each_index" do
current = 0
resource_list.each_index do |i|
i.should eq(current)
current += 1
end
current.should eq(2)
end
it "should be able to check if the list is empty" do
resource_list.empty?.should be_false
end
end
end
describe "during execute" do
before(:each) do
lambda { resource_list.insert(resource) }.should_not raise_error
lambda { resource_list.insert(second_resource) }.should_not raise_error
end
it "should execute resources in order" do
current = 0
resource_list.execute_each_resource do |r|
case current
when 0
r.should be(resource)
current += 1
when 1
r.should be(second_resource)
else
raise "Unexpected resource"
end
end
current.should eq(1)
end
it "should be able to insert resources on the fly" do
current = 0
resource_to_inject = Chef::Resource::ZenMaster.new("there is no spoon")
resource_list.execute_each_resource do |r|
case current
when 0
r.should be(resource)
resource_list.insert(resource_to_inject)
current += 1
when 1
r.should be(resource_to_inject)
current += 1
when 2
r.should be(second_resource)
current += 1
else
raise "Unexpected resource"
end
end
resource_list.all_resources.count.should eq(3)
end
end
end
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