repo_test.rb

# http://gist.github.com/458158
require 'rubygems'
require 'dm-core'
require 'dm-migrations'

DataMapper::Logger.new($stdout, :debug)
DataMapper.setup(:default, 'sqlite::memory:')

class Thing
  include DataMapper::Resource
  property :id, Serial
  
  property :name, String
end

DataMapper.setup(:foo, 'sqlite3:///tmp/foo.db')
DataMapper.auto_migrate! :foo
repository(:foo) do
  Thing.create :name => "I'm in foo!"
end

DataMapper.setup(:bar, 'sqlite3:///tmp/bar.db')
DataMapper.auto_migrate! :bar
repository(:bar) do
  Thing.create :name => "I'm in bar!"
end

# Trying to re-create an already existing repo doesn't cause a problem
DataMapper.setup(:foo, 'sqlite3:///tmp/foo.db')
repository(:foo) do
  Thing.create :name => "I'm in foo again!"
end

repository(:foo) do
  puts "Things in foo: #{Thing.all.map{|t| t.name}.inspect}"
end

repository(:bar) do
  puts "Things in bar: #{Thing.all.map{|t| t.name}.inspect}"
end