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path: root/spec/support/shared/integration/integration_helper.rb
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#
# Author:: John Keiser (<jkeiser@opscode.com>)
# Author:: Ho-Sheng Hsiao (<hosh@opscode.com>)
# Copyright:: Copyright (c) 2012, 2013 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 'tmpdir'
require 'fileutils'
require 'chef/config'
require 'chef_zero/rspec'
require 'json'
require 'support/shared/integration/knife_support'
require 'support/shared/integration/app_server_support'
require 'spec_helper'

module IntegrationSupport
  include ChefZero::RSpec

  def when_the_repository(description, *args, &block)
    context "When the local repository #{description}", *args do
      before :each do
        raise "Can only create one directory per test" if @repository_dir
        @repository_dir = Dir.mktmpdir('chef_repo')
        Chef::Config.chef_repo_path = @repository_dir
        %w(client cookbook data_bag environment node role user).each do |object_name|
          Chef::Config.delete("#{object_name}_path".to_sym)
        end
      end

      after :each do
        if @repository_dir
          begin
            %w(client cookbook data_bag environment node role user).each do |object_name|
              Chef::Config.delete("#{object_name}_path".to_sym)
            end
            Chef::Config.delete(:chef_repo_path)
            FileUtils.remove_entry_secure(@repository_dir)
          ensure
            @repository_dir = nil
          end
        end
      end

      def directory(relative_path, &block)
        old_parent_path = @parent_path
        @parent_path = path_to(relative_path)
        FileUtils.mkdir_p(@parent_path)
        instance_eval(&block) if block
        @parent_path = old_parent_path
      end

      def file(relative_path, contents)
        filename = path_to(relative_path)
        dir = File.dirname(filename)
        FileUtils.mkdir_p(dir) unless dir == '.'
        File.open(filename, 'w') do |file|
          raw = case contents
                when Hash
                  JSON.pretty_generate(contents)
                when Array
                  contents.join("\n")
                else
                  contents
                end
          file.write(raw)
        end
      end

      def symlink(relative_path, relative_dest)
        filename = path_to(relative_path)
        dir = File.dirname(filename)
        FileUtils.mkdir_p(dir) unless dir == '.'
        dest_filename = path_to(relative_dest)
        File.symlink(dest_filename, filename)
      end

      def path_to(relative_path)
        File.expand_path(relative_path, (@parent_path || @repository_dir))
      end

      def self.path_to(relative_path)
        File.expand_path(relative_path, (@parent_path || @repository_dir))
      end

      def self.directory(relative_path, &block)
        before :each do
          directory(relative_path, &block)
        end
      end

      def self.file(relative_path, contents)
        before :each do
          file(relative_path, contents)
        end
      end

      def self.symlink(relative_path, relative_dest)
        before :each do
          symlink(relative_path, relative_dest)
        end
      end

      def self.cwd(relative_path)
        before :each do
          @old_cwd = Dir.pwd
          Dir.chdir(path_to(relative_path))
        end
        after :each do
          Dir.chdir(@old_cwd)
        end
      end

      instance_eval(&block)
    end
  end

  # Versioned cookbooks

  def with_versioned_cookbooks(_metadata = {}, &block)
    _m = { :versioned_cookbooks => true }.merge(_metadata)
    context 'with versioned cookbooks', _m do
      before(:each) { Chef::Config[:versioned_cookbooks] = true }
      after(:each)  { Chef::Config.delete(:versioned_cookbooks) }
      instance_eval(&block)
    end
  end

  def without_versioned_cookbooks(_metadata = {}, &block)
    _m = { :versioned_cookbooks => false }.merge(_metadata)
    context 'with versioned cookbooks', _m do
      # Just make sure this goes back to default
      before(:each) { Chef::Config[:versioned_cookbooks] = false }
      after(:each)  { Chef::Config.delete(:versioned_cookbooks) }
      instance_eval(&block)
    end
  end
end