Use native to_line methods which is more easily testable

lib/puppet/provider/entropy_mask/parsed.rb

@@ -23,12 +23,10 @@ Puppet::Type.type(:entropy_mask).provide(:parsed,
   record_line :parsed,
     :fields => %w{operator package version slot use tag repo name},
     :match   => %r{^([<>]?=)?([a-zA-Z+\/-]*)(?:-(\d+(?:\.\d+)*[a-z]*(?:_(?:alpha|beta|pre|p|rc)\d*)?(?:-r\d+)?))?(?::([a-zA-Z0-9._-]+))?(?:\[([^\]]*)\])?(?:#([a-zA-Z0-9._-]+))?(?:::([a-zA-Z0-9\._-]+))?\s+#+ Puppet Name: (.*)\s*$},
-    :block_eval => :instance do
-
-    def to_line(record)
+    :to_line => proc { |record|
       line = ""
       line += record[:operator]        if record[:operator]
-      line += record[:package]
+      line += record[:package]         if record[:package]
       line += "-" + record[:version]   if record[:version]
       line += ":" + record[:slot]      if record[:slot]
       line += "[" + record[:use] + "]" if record[:use]
@@ -37,10 +35,8 @@ Puppet::Type.type(:entropy_mask).provide(:parsed,
       line += " ## Puppet Name: " + record[:name]
 
       line
-    end
+    }
 
-  end
-   
 end
 
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