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#!/usr/bin/env ruby
#
#  Created by Luke A. Kanies on 2007-06-10.
#  Copyright (c) 2007. All rights reserved.

require File.expand_path(File.dirname(__FILE__) + '/../../lib/puppettest')

require 'puppettest'

class TestTypeInstances < Test::Unit::TestCase
  include PuppetTest

  def setup
    super
    @type = Puppet::Type.newtype(:instance_test) do
      newparam(:name) {}
      ensurable
    end
    cleanup { Puppet::Type.rmtype(:instance_test) }
  end

  # Make sure the instances class method works as expected.
  def test_instances
    # First make sure it throws an error when there are no providers
    assert_raise(Puppet::DevError, "Did not fail when no providers are present") do
      @type.instances
    end

    # Now add a couple of providers

    # The default
    @type.provide(:default) do
      defaultfor :operatingsystem => Facter.value(:operatingsystem)
      mk_resource_methods
      class << self
        attr_accessor :names
      end
      def self.instance(name)
        new(:name => name, :ensure => :present)
      end
      def self.instances
        @instances ||= names.collect { |name| instance(name) }
      end

      @names = [:one, :five, :six]
    end

    # A provider with the same source
    @type.provide(:sub, :source => :default, :parent => :default) do
      @names = [:two, :seven, :eight]
    end

    # An unsuitable provider
    @type.provide(:nope, :parent => :default) do
      confine :exists => "/no/such/file"
      @names = [:three, :nine, :ten]
    end

    # Another suitable, non-default provider
    @type.provide(:yep, :parent => :default) do
      @names = [:four, :seven, :ten]
    end

    # Now make a couple of instances, so we know we correctly match instead of always
    # trying to create new ones.
    one = @type.new(:name => :one, :ensure => :present)
    three = @type.new(:name => :three, :ensure => :present, :provider => :sub)
    five = @type.new(:name => :five, :ensure => :present, :provider => :yep)

    result = nil
    assert_nothing_raised("Could not get instance list") do
      result = @type.instances
    end

    result.each do |resource|
      assert_instance_of(@type, resource, "Returned non-resource")
    end

    assert_equal(:one, result[0].name, "Did not get default instances first")

    resources = result.inject({}) { |hash, res| hash[res.name] = res; hash }
    assert(resources.include?(:four), "Did not get resources from other suitable providers")
    assert(! resources.include?(:three), "Got resources from unsuitable providers")

    # Now make sure we didn't change the provider type for :five
    assert_equal(:yep, five.provider.class.name, "Changed provider type when listing resources")

    # Now make sure the resources have an 'ensure' property to go with the value in the provider
    assert(resources[:one].send(:instance_variable_get, "@parameters").include?(:ensure), "Did not create ensure property")
  end
end