From 37e4461ddd454e7a43596e95e046231016579467 Mon Sep 17 00:00:00 2001
From: erwanlr <erwan.lr@gmail.com>
Date: Mon, 14 Jan 2013 10:51:25 +0100
Subject: [PATCH] Updater cleanup

---
 lib/updater/updater.rb           | 12 +++---------
 spec/lib/updater/updater_spec.rb |  2 +-
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/lib/updater/updater.rb b/lib/updater/updater.rb
index a511605c..9e471cbe 100644
--- a/lib/updater/updater.rb
+++ b/lib/updater/updater.rb
@@ -27,21 +27,15 @@ class Updater
   end
 
   def is_installed?
-    raise_must_be_implemented()
+    raise NotImplementedError
   end
 
   def local_revision_number
-    raise_must_be_implemented()
+    raise NotImplementedError
   end
 
   def update
-    raise_must_be_implemented()
-  end
-
-  protected
-
-  def raise_must_be_implemented
-    raise "The method must be implemented"
+    raise NotImplementedError
   end
 
 end
diff --git a/spec/lib/updater/updater_spec.rb b/spec/lib/updater/updater_spec.rb
index 038bc386..f2e30b93 100644
--- a/spec/lib/updater/updater_spec.rb
+++ b/spec/lib/updater/updater_spec.rb
@@ -17,7 +17,7 @@ describe Updater do
       methods_to_call = [:is_installed?, :update, :local_revision_number]
 
       methods_to_call.each do |method_to_call|
-        expect { test_updater.send(method_to_call) }.to raise_error
+        expect { test_updater.send(method_to_call) }.to raise_error(NotImplementedError)
       end
     end
   end