Handle nil autorequire results

lib/rspec-puppet/matchers/create_generic.rb

@@ -313,6 +313,8 @@ def relationship_refs(resource, type, visited = Set.new)
           if resource.resource_type.respond_to?(func)
             resource.resource_type.send(func) do |t, b|
               Array(resource.to_ral.instance_eval(&b)).each do |dep|
+                next if dep.nil?
+
                 res = "#{t.to_s.capitalize}[#{dep}]"
                 if r = relationship_refs(res, type, visited)
                   results << res

spec/classes/relationships__type_with_auto_spec.rb

@@ -0,0 +1,17 @@
+require 'spec_helper'
+
+describe 'relationships::type_with_auto', :if => Puppet::Util::Package.versioncmp(Puppet.version, '4.0.0') >= 0 do
+  it { is_expected.to compile.with_all_deps }
+  it do
+    is_expected.to contain_type_with_all_auto('test')
+      .that_comes_before('Notify[test/before]')
+      .that_notifies('Notify[test/notify]')
+      .that_requires('Notify[test/require]')
+      .that_subscribes_to('Notify[test/subscribe]')
+  end
+
+  it { is_expected.to contain_notify('test/before').that_requires('Type_with_all_auto[test]') }
+  it { is_expected.to contain_notify('test/notify').that_subscribes_to('Type_with_all_auto[test]') }
+  it { is_expected.to contain_notify('test/require').that_comes_before('Type_with_all_auto[test]') }
+  it { is_expected.to contain_notify('test/subscribe').that_notifies('Type_with_all_auto[test]') }
+end

spec/fixtures/modules/relationships/lib/puppet/type/type_with_all_auto.rb

@@ -1,8 +1,8 @@
 Puppet::Type.newtype(:type_with_all_auto) do
   ensurable
   newparam(:name, :namevar => true)
-  autobefore(:file) { [File.join(self[:name], 'before')] }
-  autonotify(:file) { [File.join(self[:name], 'notify')] }
-  autorequire(:file) { [File.join(self[:name], 'require')] }
-  autosubscribe(:file) { [File.join(self[:name], 'subscribe')] }
+  autobefore(:notify) { ["#{self[:name]}/before", nil] }
+  autonotify(:notify) { ["#{self[:name]}/notify", nil] }
+  autorequire(:notify) { ["#{self[:name]}/require", nil] }
+  autosubscribe(:notify) { ["#{self[:name]}/subscribe", nil] }
 end

spec/fixtures/modules/relationships/manifests/type_with_auto.pp

@@ -1,9 +1,7 @@
 # This class is here to test type_with_all_auto which has alll auto* relations
 class relationships::type_with_auto {
-  type_with_all_auto { '/tmp':
+  type_with_all_auto { 'test':
   }
 
-  file { ['/tmp/before', '/tmp/notify', '/tmp/require', '/tmp/subscribe']:
-    ensure => file,
-  }
+  notify { ['test/before', 'test/notify', 'test/require', 'test/subscribe']: }
 }