a32f34b408
Knife-Zero doesn't include Berkshelf support, so vendoring everything in the repo is convenient again
93 lines
3.0 KiB
Ruby
93 lines
3.0 KiB
Ruby
#
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# Copyright 2013-2016, Noah Kantrowitz
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Not requiring chefspec or rspec/expectations since this code should only
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# activate if they are already loaded.
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require 'poise/helpers/lwrp_polyfill'
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require 'poise/helpers/resource_name'
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module Poise
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module Helpers
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# A resource mixin to register ChefSpec matchers for a resource
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# automatically.
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#
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# If you are using the provides() form for naming resources, ensure that is
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# set before declaring actions.
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#
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# @since 2.0.0
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# @example Define a class
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# class Chef::Resource::MyResource < Chef::Resource
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# include Poise::Helpers::ChefspecMatchers
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# actions(:run)
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# end
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# @example Use a matcher
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# expect(chef_run).to run_my_resource('...')
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module ChefspecMatchers
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include Poise::Helpers::LWRPPolyfill::Resource
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include Poise::Helpers::ResourceName
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# Create a matcher for a given resource type and action. This is
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# idempotent so if a matcher already exists, it will not be recreated.
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#
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# @api private
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def self.create_matcher(resource, action)
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# Check that we have everything we need.
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return unless defined?(ChefSpec) && defined?(RSpec::Matchers) && resource
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method = :"#{action}_#{resource}"
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return if RSpec::Matchers.method_defined?(method)
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RSpec::Matchers.send(:define_method, method) do |resource_name|
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ChefSpec::Matchers::ResourceMatcher.new(resource, action, resource_name)
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end
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end
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# @!classmethods
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module ClassMethods
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# Create a resource-level matcher for this resource.
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#
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# @see Resource::ResourceName.provides
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def provides(name, *args, &block)
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super(name, *args, &block)
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ChefSpec.define_matcher(name) if defined?(ChefSpec)
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# Call #actions here to grab any actions from a parent class.
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actions.each do |action|
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ChefspecMatchers.create_matcher(name, action)
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end
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end
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# Create matchers for all declared actions.
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#
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# @see Resource::LWRPPolyfill.actions
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def actions(*names)
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super.tap do |actions|
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actions.each do |action|
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ChefspecMatchers.create_matcher(resource_name, action)
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end if resource_name && resource_name != :resource && !names.empty?
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end
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end
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def included(klass)
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super
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klass.extend ClassMethods
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end
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end
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extend ClassMethods
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end
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end
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end
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