describe "#read_one" do
    before do
      @return = @adapter.read_one(DataMapper::Query.new(@repository, @model, :id => 1))
    end

    it "should return a DataMapper::Resource" do
      @return.should be_a_kind_of(@model)
    end

    it "should return nil when no resource was found" do
      @adapter.read_one(DataMapper::Query.new(@repository, @model, :id => nil)).should be_nil
    end
  end