import { MessageTypes } from '../../src/common' import { packers } from '../../src/mapping' test('Create an unsubscribe (0xffff) packet.', () => { // Given const messageType = 0xabcd // When const packedPacket = packers[MessageTypes.Unsubscribe]({ messageType: messageType }) // Then const expectedResult = new Uint8Array([0xff, 0xff, 0x00, 0x02, 0xab, 0xcd]) expect(packedPacket).toMatchObject(expectedResult) })