Dup frozen strings

lib/puppet/reference/indirection.rb

@@ -15,6 +15,9 @@
     text << Puppet::Util::Docs.scrub(ind.doc) + "\n\n"
 
     Puppet::Indirector::Terminus.terminus_classes(ind.name).sort_by(&:to_s).each do |terminus|
+      # this is an "abstract" terminus, ignore it
+      next if ind.name == :resource && terminus == :validator
+
       terminus_name = terminus.to_s
       term_class = Puppet::Indirector::Terminus.terminus_class(ind.name, terminus)
       if term_class

lib/puppet/reference/metaparameter.rb

@@ -14,7 +14,7 @@
 
 ## Available Metaparameters
 
-}
+  }.dup
   begin
     params = []
     Puppet::Type.eachmetaparam { |param|

lib/puppet/reference/providers.rb

@@ -13,7 +13,7 @@
   command_line = Puppet::Util::CommandLine.new
   types.reject! { |type| !command_line.args.include?(type.name.to_s) } unless command_line.args.empty?
 
-  ret = "Details about this host:\n\n"
+  ret = "Details about this host:\n\n".dup
 
   # Throw some facts in there, so we know where the report is from.
   ret << option('Ruby Version', Facter.value('ruby.version'))

lib/puppet/reference/type.rb

@@ -50,7 +50,7 @@
   Resource types define features they can use, and providers can be tested to see
   which features they provide.
 
-  }
+  }.dup
 
   types.sort_by(&:to_s).each { |name, type|
     str << "

spec/integration/application/doc_spec.rb

@@ -14,11 +14,21 @@
      .and output(/configuration - A reference for all settings/).to_stdout
   end
 
-  it 'generates markdown' do
-    app.command_line.args = ['-r', 'report']
-    expect {
-      app.run
-    }.to exit_with(0)
-     .and output(/# Report Reference/).to_stdout
+  {
+    'configuration' => /# Configuration Reference/,
+    'function'      => /# Function Reference/,
+    'indirection'   => /# Indirection Reference/,
+    'metaparameter' => /# Metaparameter Reference/,
+    'providers'     => /# Provider Suitability Report/,
+    'report'        => /# Report Reference/,
+    'type'          => /# Type Reference/
+  }.each_pair do |type, expected|
+    it "generates #{type} reference" do
+      app.command_line.args = ['-r', type]
+      expect {
+        app.run
+      }.to exit_with(0)
+       .and output(expected).to_stdout
+    end
   end
 end