require File.expand_path(File.join(File.dirname(__FILE__), '..', 'spec_helper'))

describe DataMapper::Resource, "Transactions" do

  before do
    Object.send(:remove_const, :User) if defined?(User)
    class User
      include DataMapper::Resource

      property :name,        String, :key => true
      property :age,         Integer
      property :description, Text

      has n, :comments
    end

    Object.send(:remove_const, :Article) if defined?(Article)
    class Article
      include DataMapper::Resource

      property :id,   Serial
      property :body, Text

      has n, :paragraphs
    end

    Object.send(:remove_const, :Comment) if defined?(Comment)
    class Comment
      include DataMapper::Resource

      property :id,   Serial
      property :body, Text

      belongs_to :user
    end

    Object.send(:remove_const, :Paragraph) if defined?(Paragraph)
    class Paragraph
      include DataMapper::Resource

      property :id,    Integer, :key => true
      property :text,  String

      belongs_to :article
    end
  end

  supported_by :postgres, :mysql do

    describe "when the resource is created inside the transaction" do

      before do
        # --- Temporary private api use to get around rspec limitations ---
        repository(:default) do
          transaction = DataMapper::Transaction.new(repository)
          transaction.begin
          repository.adapter.push_transaction(transaction)
        end

        @model       = User
        @child_model = Comment
        @user        = @model.create(:name => 'dbussink', :age => 25, :description => "Test")
      end

      after do
        repository = repository(:default)
        while repository.adapter.current_transaction
          repository.adapter.current_transaction.rollback
          repository.adapter.pop_transaction
        end
      end

      it_should_behave_like 'A public Resource'

    end

    describe "when the resource is created outside the transaction" do

      before do
        @model       = User
        @child_model = Comment
        @user        = @model.create(:name => 'dbussink', :age => 25, :description => "Test")

        # --- Temporary private api use to get around rspec limitations ---
        repository(:default) do
          transaction = DataMapper::Transaction.new(repository)
          transaction.begin
          repository.adapter.push_transaction(transaction)
        end
      end

      after do
        repository = repository(:default)
        while repository.adapter.current_transaction
          repository.adapter.current_transaction.rollback
          repository.adapter.pop_transaction
        end
      end

      it_should_behave_like 'A public Resource'

    end
  end

end