Added nil guard in filter

Author: smith

lib/firephp.rb

@@ -15,6 +15,7 @@ def firephp(obj = "", type = :log)
 
   private
     def firephp_filter
+      @firephp ||= []
       # Add headers only when browser has FirePHP-Plugin
       return if !(request.headers["HTTP_USER_AGENT"]=~/FirePHP\//)
       # Do not add headers in production mode

test/firephp_rails_test.rb

@@ -13,6 +13,10 @@ def b
     fb("hi")
     render :nothing => true
   end
+
+  def c
+    render :nothing => true
+  end
 end
 
 class FirePHPControllerTest < ActionController::TestCase
@@ -44,4 +48,8 @@ class FirePHPControllerTest < ActionController::TestCase
     ENV["RAILS_ENV"] = "test"
   end
 
+  test "headers not sent when firephp not used" do
+    get :c
+    assert !@response.headers.include?(EXAMPLE_HEADER)
+  end
 end