Added modules

modules/stdlib/spec/functions/ensure_packages_spec.rb

@@ -0,0 +1,81 @@
+#! /usr/bin/env ruby
+
+require 'spec_helper'
+require 'rspec-puppet'
+require 'puppet_spec/compiler'
+
+describe 'ensure_packages' do
+  include PuppetSpec::Compiler
+
+  before :each do
+    Puppet::Parser::Functions.autoloader.loadall
+    Puppet::Parser::Functions.function(:ensure_packages)
+    Puppet::Parser::Functions.function(:ensure_resource)
+    Puppet::Parser::Functions.function(:defined_with_params)
+    Puppet::Parser::Functions.function(:create_resources)
+  end
+
+  let :node     do Puppet::Node.new('localhost') end
+  let :compiler do Puppet::Parser::Compiler.new(node) end
+  let :scope    do
+    if Puppet.version.to_f >= 3.0
+      Puppet::Parser::Scope.new(compiler)
+    else
+      newscope = Puppet::Parser::Scope.new
+      newscope.compiler = compiler
+      newscope.source   = Puppet::Resource::Type.new(:node, :localhost)
+      newscope
+    end
+  end
+
+  describe 'argument handling' do
+    it 'fails with no arguments' do
+      expect {
+        scope.function_ensure_packages([])
+      }.to raise_error(Puppet::ParseError, /0 for 1 or 2/)
+    end
+
+    it 'accepts an array of values' do
+      scope.function_ensure_packages([['foo']])
+    end
+
+    it 'accepts a single package name as a string' do
+      scope.function_ensure_packages(['foo'])
+    end
+  end
+
+  context 'given a catalog with puppet package => absent' do
+    let :catalog do
+      compile_to_catalog(<<-EOS
+        ensure_packages(['facter'])
+        package { puppet: ensure => absent }
+      EOS
+      )
+    end
+
+    it 'has no effect on Package[puppet]' do
+      expect(catalog.resource(:package, 'puppet')['ensure']).to eq('absent')
+    end
+  end
+
+  context 'given a clean catalog' do
+    let :catalog do
+      compile_to_catalog('ensure_packages(["facter"])')
+    end
+
+    it 'declares package resources with ensure => present' do
+      expect(catalog.resource(:package, 'facter')['ensure']).to eq('present')
+    end
+  end
+
+  context 'given a clean catalog and specified defaults' do
+    let :catalog do
+      compile_to_catalog('ensure_packages(["facter"], {"provider" => "gem"})')
+    end
+
+    it 'declares package resources with ensure => present' do
+      expect(catalog.resource(:package, 'facter')['ensure']).to eq('present')
+      expect(catalog.resource(:package, 'facter')['provider']).to eq('gem')
+    end
+  end
+end