gistfile1.txt

require 'rubygems'
require 'dm-core'
require 'spec'

# run:  spec -cfs 1-n.rb

DataMapper::Logger.new(STDOUT, :debug)
DataMapper.setup(:default, 'sqlite3::memory:')

class Team
  include DataMapper::Resource
  property :id, Serial
  property :name, String
  belongs_to :school, :nullable => true
end

class School
  include DataMapper::Resource
  property :id, Serial
  property :name, String
  has n, :teams
end

describe "1:n relationships" do
  before :all do
    DataMapper.auto_migrate!
  end
  before :each do
    School.all.each {|o| o.teams.destroy; o.destroy}
    Team.all.each {|o| o.destroy}
    
    @school = School.create(:name => 'Lewisville High School')
    @team = Team.create(:name => 'Fighting Farmers')
  end
  it "should not be associated" do
    @school.teams.size.should == 0
    @team.school.should be_nil
  end
end