public void WhenEmitOnTheClient_ItShouldBeEmittedWithTheDefaultNamespace() { var expected = new Packet { Type = PacketType.Event, Name = "eventName", Data = "[\"data\"]", EndPoint = string.Empty }; var expectedData = PacketParser.EncodePacket(expected); socket.Emit("eventName", "data"); A.CallTo(() => fakeWebSocket.Write(expectedData)).MustHaveHappened(); }