Add a script to start mongodb instances for jruby

script/mongodb.rb

@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+
+require 'fileutils'
+
+tmpdir = File.expand_path(File.join(File.dirname(__FILE__),'..','tmp'))
+dbpath = File.join(tmpdir,'mongodb')
+
+if File.exists? dbpath
+  puts "removing dbpath: #{dbpath}"
+  FileUtils.rm_rf dbpath
+end
+
+unless File.exists? dbpath
+  puts "creating dbpath: #{dbpath}"
+  FileUtils.mkdir_p dbpath
+end
+
+command = %W(mongod -dbpath #{dbpath} -noprealloc -nojournal -noauth -port 26016 -bind_ip 127.0.0.1)
+
+puts "executing: #{command.join(' ')}"
+puts '************************************************************'
+puts 'Run specs: $ MONGO_URL=mongo://127.0.0.1:26016 bundle exec spec spec'
+puts '************************************************************'
+Kernel.exec *command

spec/lib/connection_helper.rb

@@ -15,6 +15,8 @@ def setup_connection(name = :default)
         'mongo://localhost:27017/test'
       elsif ENV['MONGO_URL']
         ENV['MONGO_URL']
+      elsif RUBY_PLATFORM == 'java'
+        raise 'Automatic mongodb management is not possible under jruby pls provide a MONGO_URL env variable'
       else
         mongod_start name
         mongod_wait name