require "spec_helper" describe BSON::ObjectId do describe "#as_json" do let(:object_id) do described_class.new end it "returns the $oid plus string" do expect(object_id.as_json).to eq("$oid" => object_id.to_s) end end end describe BSON::Document do describe "#symbolize_keys" do let(:doc) do described_class.new("foo" => "bar") end it "returns key as symbol" do expect(doc.symbolize_keys.keys).to eq [:foo] end end end