(PDOC-27) Don't require options for 3x functions

Gemfile

@@ -10,11 +10,11 @@ puppetversion = ENV['PUPPET_VERSION']
 if puppetversion
   gem 'puppet', puppetversion
 else
-  gem 'puppet', '~> 3.6.2'
+  gem 'puppet'
 end
 
 group :test do
-  gem 'rspec'
+  gem "rspec", "~> 2.14.0", :require => false
   gem 'mocha'
   gem 'puppetlabs_spec_helper'
   gem 'rspec-html-matchers'

lib/puppet_x/puppetlabs/strings/yard/handlers/puppet_3x_function_handler.rb

@@ -66,13 +66,20 @@ def process_parameters
 
     name = process_element(name)
 
-    opts = opts.map do |tuple|
-      # Jump down into the S-Expression that represents a hashrocket, `=>`,
-      # and the values on either side of it.
-      tuple.jump(:assoc).map{|e| process_element(e)}
+    # Don't try to process options if we don't have any
+    if !opts.nil?
+      opts = opts.map do |tuple|
+        # Jump down into the S-Expression that represents a hashrocket, `=>`,
+        # and the values on either side of it.
+        tuple.jump(:assoc).map{|e| process_element(e)}
+      end
+
+      options = Hash[opts]
+    else
+      options = {}
     end
 
-    [name, Hash[opts]]
+    [name, options]
   end
 
   # Sometimes the YARD parser returns Heredoc strings that start with `<-`

spec/unit/puppet_x/puppetlabs/strings/pops_spec.rb

@@ -21,18 +21,18 @@
     let(:manifest_default) {"#hello world\nclass foo($bar = 3) { }"}
     let(:transformer) {PuppetX::PuppetLabs::Strings::Pops::YARDTransformer.new}
 
-     describe "transform method" do
-       it "should perform the correct transformation with parameter defaults" do
+    describe "transform method" do
+      it "should perform the correct transformation with parameter defaults" do
         model = parser.parse_string(manifest_default).current.definitions.first
         statements = transformer.transform(model)
         expect(statements.parameters[0][0].class).to be(PuppetX::PuppetLabs::Strings::Pops::YARDStatement)
-       end
+      end
 
-       it "should perform the correct transofmration without parameter defaults" do
+      it "should perform the correct transofmration without parameter defaults" do
         model = parser.parse_string(manifest).current.definitions.first
         statements = transformer.transform(model)
         expect(statements.parameters[0][1].class).to be(NilClass)
-       end
+      end
     end
   end
 end

spec/unit/puppet_x/puppetlabs/strings/yard/puppet_3x_function_handler_spec.rb

@@ -51,4 +51,13 @@ def the_namespace()
     expect(the_method).to document_a(:type => :method, :docstring => "")
     expect(the_namespace).to document_a(:type => :puppetnamespace)
   end
+
+  it "should process documentation if only one option is passed to newfunction" do
+    parse <<-RUBY
+      newfunction(:the_functiion) do |args|
+      end
+    RUBY
+
+      expect(the_namespace).to document_a(:type => :puppetnamespace)
+  end
 end