Contents

require_relative '../../../spec_helper'

describe 'Many to Many Associations read across multiple join associations' do
  before :all do
    class ::User
      include DataMapper::Resource

      property :id, Serial

      has n, :sales
      has n, :sale_items, :through => :sales
      has n, :items,      :through => :sale_items
    end

    class ::Sale
      include DataMapper::Resource

      property :id, Serial

      belongs_to :user
      has n, :sale_items
      has n, :items, :through => :sale_items
    end

    class ::SaleItem
      include DataMapper::Resource

      property :id, Serial

      belongs_to :sale
      belongs_to :item
    end

    class ::Item
      include DataMapper::Resource

      property :id, Serial

      has n, :sale_items
    end

    DataMapper.finalize
  end

  supported_by :all do
    before :all do
      @user = User.create
      @sale = @user.sales.create

      5.times { @sale.items.create }
    end

    before :all do
      @no_join = (defined?(DataMapper::Adapters::InMemoryAdapter) && @adapter.is_a?(DataMapper::Adapters::InMemoryAdapter)) ||
                 (defined?(DataMapper::Adapters::YamlAdapter)     && @adapter.is_a?(DataMapper::Adapters::YamlAdapter))

      @skip = @no_join
    end

    before do
      pending if @skip
    end

    it 'returns all the created entries' do
      expect(@user.items.to_a).to eq Item.all.to_a
      expect(@sale.items.to_a).to eq Item.all.to_a
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
sbf-dm-core-1.3.0	spec/public/associations/many_to_many/read_multiple_join_spec.rb
sbf-dm-core-1.3.0.beta	spec/public/associations/many_to_many/read_multiple_join_spec.rb