Expect(err).ToNot(HaveOccurred()) Expect(socketConnector.ConnectCallCount()).To(Equal(1)) socketMessage := socketConnector.ConnectArgsForCall(0) Expect(socketMessage.Data).To(Equal(json.RawMessage(payload))) }) Describe("Signalling", func() { var ( signalSent syscall.Signal ) Context("when signalling is enabled", func() { BeforeEach(func() { response.Pid = 12 process.ReadSignals = true socketConnector.ConnectReturns(response, nil) Expect(process.Start()).To(Succeed()) }) JustBeforeEach(func() { data, err := json.Marshal(&link.SignalMsg{Signal: signalSent}) Expect(err).ToNot(HaveOccurred()) signalWriter.Write(data) }) Context("when sending a KILL signal", func() { BeforeEach(func() { signalSent = syscall.SIGKILL