Specs for testing MongoDB's Embedded and Referenced association with Mongoid.

client_spec.rb

require 'spec_helper'

describe Client do
  context "With valid client info" do
    context "Associations" do
      it "should embed many projects" do
        association = Client.relations['projects']
        association.klass.should == Project
        association.relation.should == Mongoid::Relations::Embedded::Many
      end
    end
  end
end

developer_spec.rb

require 'spec_helper'

describe Developer do
  describe "With valid Developer information" do
    context "Checking Mongoid's Referenced association between project and developer" do
      it "should be referenced in a project" do
        association = Developer.associations['project']
        association.klass.should == Project
        association.relation.should == Mongoid::Relations::Referenced::In
      end
    end
  end
end

project_spec.rb

require 'spec_helper'

describe Project do
  describe "With valid Project information" do
    context "Checking Mongoid's embedded association between project and client" do
      it "should be embedded in a client" do
        association = Project.associations['client']
        association.klass.should == Client
        association.relation.should == Mongoid::Relations::Embedded::In
      end

      it "should reference many developers" do
        association = Project.associations['developers']
        association.klass.should == Developer
        association.relation.should == Mongoid::Relations::Referenced::Many
      end
    end
  end
end

Models specs for Embedded and Referenced association in MongoDB using Mongoid.
A Client embeds_many :projects
Project is embedded_in :client
whereas a Project references_many :developers and a
Developer is referenced_in :project