(MODULES-6686) Fix puppet_agent_spec tests for Windows

Previously many tests in classes/puppet_agent_spec.rb were not running on
Windows due to a bug in rspec-puppet-facts.  However in v1.9.0 of the gem it
now adds better windows support, but the puppet_agent_spec.rb began running
tests for Windows which then failed.  This commit modifies the test fixtures and
logic to only test things which make sense on Windows.

Also voxpupuli/rspec-puppet-facts#68 meant that the
order of the testing had to be determinstic, ensuring that Windows platforms
were tested last.

spec/classes/puppet_agent_spec.rb

@@ -16,6 +16,14 @@ def global_facts(facts, os)
         {
           :is_pe => true,
         }
+      elsif os =~ /windows/
+        {
+          :puppet_agent_appdata => 'C:\\ProgramData',
+          :puppet_confdir    => 'C:\\ProgramData\\Puppetlabs\\puppet\\etc',
+          :mco_confdir       => 'C:\\ProgramData\\Puppetlabs\\mcollective\\etc',
+          :env_temp_variable => 'C:/tmp',
+          :puppet_agent_pid  => 42,
+        }
       else
         {}
       end).merge({:servername   => 'master.example.vm'})
@@ -72,7 +80,14 @@ def global_facts(facts, os)
   end
 
   context 'supported operating systems' do
-    on_supported_os.each do |os, facts|
+    # Due to https://github.com/mcanevet/rspec-puppet-facts/issues/68
+    # Need to ensure that Windows tests are set last, otherwise puppet tries
+    # to load windows providers on non-windows platforms in error.
+    os_list = on_supported_os.select { |os, _x| !(os =~ /windows/) }
+    windows_list = on_supported_os.select{ |os, _x| os =~ /windows/ }
+    os_list.merge!(windows_list)
+
+    os_list.each do |os, facts|
       context "on #{os}" do
         let(:facts) do
           global_facts(facts, os)
@@ -118,9 +133,9 @@ def global_facts(facts, os)
             it { is_expected.to compile.with_all_deps }
             it { is_expected.to contain_class('puppet_agent::install').with_install_options(['OPTION1=value1','OPTION2=value2']) }
 
-            # Note this should fail on Windows, but it doesn't get tested due to https://github.com/mcanevet/rspec-puppet-facts/issues/42
-            # Windows is not seen as a supported OS when `on_supported_os` is used :-(
-            it { is_expected.to contain_package('puppet-agent').with_install_options(['OPTION1=value1','OPTION2=value2']) }
+            unless facts[:osfamily] == 'windows'
+              it { is_expected.to contain_package('puppet-agent').with_install_options(['OPTION1=value1','OPTION2=value2']) }
+            end
           end
         end
 
@@ -150,22 +165,27 @@ def global_facts(facts, os)
               it { is_expected.to contain_package('puppet-agent').with_ensure(deb_package_version) }
             elsif facts[:osfamily] == 'Solaris' && (facts[:operatingsystemmajrelease] == '10' || Puppet.version < '4.0.0')
               it { is_expected.to contain_package('puppet-agent').with_ensure('present') }
+            elsif facts[:osfamily] == 'windows'
+              # Windows does not contain any Package resources
             else
               it { is_expected.to contain_package('puppet-agent').with_ensure(package_version) }
             end
 
-            if Puppet.version < "4.0.0" || (os !~ /sles/ && os !~ /solaris/)
+            if Puppet.version < "4.0.0" || (os !~ /sles/ && os !~ /solaris/ && os !~ /windows/)
               it { is_expected.to contain_class('puppet_agent::service').that_requires('Class[puppet_agent::install]') }
             end
 
-            if params[:service_names].nil? &&
-              !(facts[:osfamily] == 'Solaris' && facts[:operatingsystemmajrelease] == '11') &&
-              (Puppet.version < "4.0.0" || os !~ /sles/)
-              it { is_expected.to contain_service('puppet') }
-              it { is_expected.to contain_service('mcollective') }
-            else
-              it { is_expected.to_not contain_service('puppet') }
-              it { is_expected.to_not contain_service('mcollective') }
+            # Windows platform does not use Service resources
+            unless facts[:osfamily] == 'windows'
+              if params[:service_names].nil? &&
+                !(facts[:osfamily] == 'Solaris' && facts[:operatingsystemmajrelease] == '11') &&
+                (Puppet.version < "4.0.0" || os !~ /sles/)
+                it { is_expected.to contain_service('puppet') }
+                it { is_expected.to contain_service('mcollective') }
+              else
+                it { is_expected.to_not contain_service('puppet') }
+                it { is_expected.to_not contain_service('mcollective') }
+              end
             end
           end
         end