Fix Flesch-Kincaid formulas

Rakefile

@@ -10,3 +10,12 @@ end
 
 desc "Run tests"
 task :default => :spec
+
+task :console do
+  require 'pry'
+  require 'awesome_print'
+  require 'odyssey'
+  AwesomePrint.pry!
+  ARGV.clear
+  Pry.start
+end

lib/odyssey.rb

@@ -6,8 +6,7 @@ module Odyssey
 
   #main method
   def self.analyze(text, formula_name = DEFAULT_FORMULA, all_stats = false)
-    #catch nils
-    formula_name = DEFAULT_FORMULA if formula_name == nil
+    formula_name ||= DEFAULT_FORMULA
 
     @engine = Odyssey::Engine.new(formula_name)
     score = @engine.score(text)
@@ -23,10 +22,11 @@ def self.analyze(text, formula_name = DEFAULT_FORMULA, all_stats = false)
   end
 
   #run whatever method was given as if it were a shortcut to a formula
-  def self.method_missing(*args)
+  def self.method_missing(method_name, *args, &block)
     #send to the main method
-    formula_class = args[0].to_s.split("_").map { |s| s.capitalize! }.join
-    analyze(args[1], formula_class, args[2] || false)
+    formula_class = method_name.to_s.split("_").map(&:capitalize).join
+    super unless Object.const_defined? formula_class
+    analyze(args[0], formula_class, args[1] || false)
   end
 
   #define this here, so it doesn't get sent to method_missing()

odyssey.gemspec

@@ -23,4 +23,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec", "~> 3.1.0"
+  spec.add_development_dependency "pry"
 end

spec/odyssey_spec.rb

@@ -221,9 +221,8 @@
       result['name'].should == "It's fake"
     end
 
-    it 'should default to Formula for a formula that does not exist' do
-      result = Odyssey.no_existe one_simple_sentence, true
-      result['name'].should == "Generic"
+    it 'should raise an error for a formula that does not exist' do
+      expect { Odyssey.no_existe one_simple_sentence, true }.to raise_error(NoMethodError)
     end
   end
 end