move mongoid and mongo_mapper loading and initialisation into its own file

spec/spec_helpers/mongo_mapper.rb

@@ -0,0 +1,6 @@
+begin
+  require 'mongo_mapper'
+  puts "mongo_mapper gem found, running MongoMapper specs \e[32m#{'✔'}\e[0m"
+rescue LoadError
+  puts "mongo_mapper gem not found, not running MongoMapper specs \e[31m#{'✖'}\e[0m"
+end

spec/spec_helpers/mongoid.rb

@@ -0,0 +1,6 @@
+begin
+  require 'mongoid'
+  puts "mongoid gem found, running mongoid specs \e[32m#{'✔'}\e[0m"
+rescue LoadError
+  puts "mongoid gem not found, not running mongoid specs \e[31m#{'✖'}\e[0m"
+end

spec/unit/persistence/mongo_mapper_persistence_multiple_spec.rb

@@ -1,9 +1,7 @@
-describe 'mongo_mapper' do
-  begin
-    require 'mongo_mapper'
-    require 'logger'
 require 'spec_helper'
-    puts "mongo_mapper gem found, running MongoMapper specs \e[32m#{'✔'}\e[0m"
+
+if defined?(MongoMapper)
+  describe 'mongo_mapper' do
 
     Dir[File.dirname(__FILE__) + "/../../models/mongo_mapper/*.rb"].sort.each do |f|
       require File.expand_path(f)
@@ -142,7 +140,5 @@ describe 'mongo_mapper' do
       end
     end
 
-  rescue LoadError
-    puts "mongo_mapper gem not found, not running MongoMapper specs \e[31m#{'✖'}\e[0m"
   end
 end

spec/unit/persistence/mongo_mapper_persistence_spec.rb

@@ -1,9 +1,7 @@
-describe 'mongo_mapper' do
-  begin
-    require 'mongo_mapper'
-    require 'logger'
 require 'spec_helper'
-    puts "mongo_mapper gem found, running MongoMapper specs \e[32m#{'✔'}\e[0m"
+
+if defined?(MongoMapper)
+  describe 'mongo_mapper' do
 
     Dir[File.dirname(__FILE__) + "/../../models/mongo_mapper/*.rb"].sort.each do |f|
       require File.expand_path(f)
@@ -89,7 +87,5 @@ describe 'mongo_mapper' do
       end
     end
 
-  rescue LoadError
-    puts "mongo_mapper gem not found, not running MongoMapper specs \e[31m#{'✖'}\e[0m"
   end
 end

spec/unit/persistence/mongoid_persistence_multiple_spec.rb

@@ -1,9 +1,7 @@
-describe 'mongoid' do
-  begin
-    require 'mongoid'
-    require 'logger'
 require 'spec_helper'
-    puts "mongoid gem found, running mongoid specs \e[32m#{'✔'}\e[0m"
+
+if defined?(Mongoid::Document)
+  describe 'mongoid' do
 
     Dir[File.dirname(__FILE__) + "/../../models/mongoid/*.rb"].sort.each do |f|
       require File.expand_path(f)
@@ -123,7 +121,5 @@ describe 'mongoid' do
       end
     end
 
-  rescue LoadError
-    puts "mongoid gem not found, not running mongoid specs \e[31m#{'✖'}\e[0m"
   end
 end

spec/unit/persistence/mongoid_persistence_spec.rb

@@ -1,9 +1,7 @@
-describe 'mongoid' do
-  begin
-    require 'mongoid'
-    require 'logger'
 require 'spec_helper'
-    puts "mongoid gem found, running mongoid specs \e[32m#{'✔'}\e[0m"
+
+if defined?(Mongoid::Document)
+  describe 'mongoid' do
 
     Dir[File.dirname(__FILE__) + "/../../models/mongoid/*.rb"].sort.each do |f|
       require File.expand_path(f)
@@ -86,7 +84,5 @@ describe 'mongoid' do
 
     end
 
-  rescue LoadError
-    puts "mongoid gem not found, not running mongoid specs \e[31m#{'✖'}\e[0m"
   end
 end