import makeDeviceId from "../src/FacebookDeviceId" describe("deviceIds", function() { it("makes an uuidv4", function() { const uuid = makeDeviceId() if ( !uuid.deviceId.match( /^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/ ) ) { throw new Error("Not an uuid") } }) })