terminalUI = terminal.NewUI(nil, outputBuffer, nil)
		fakeTailedLogsOutputter = fake_tailed_logs_outputter.NewFakeTailedLogsOutputter()
		signalChan = make(chan os.Signal)
		fakeExitHandler = &fake_exit_handler.FakeExitHandler{}
	})

	Describe("LogsCommand", func() {
		var logsCommand cli.Command

		BeforeEach(func() {
			commandFactory := command_factory.NewLogsCommandFactory(appExaminer, taskExaminer, terminalUI, fakeTailedLogsOutputter, fakeExitHandler)
			logsCommand = commandFactory.MakeLogsCommand()
		})

		It("tails logs", func() {
			appExaminer.AppExistsReturns(true, nil)

			doneChan := test_helpers.AsyncExecuteCommandWithArgs(logsCommand, []string{"my-app-guid"})

			Eventually(fakeTailedLogsOutputter.OutputTailedLogsCallCount).Should(Equal(1))
			Expect(fakeTailedLogsOutputter.OutputTailedLogsArgsForCall(0)).To(Equal("my-app-guid"))

			Consistently(doneChan).ShouldNot(BeClosed())
		})

		It("handles invalid appguids", func() {
			test_helpers.ExecuteCommandWithArgs(logsCommand, []string{})

			Expect(outputBuffer).To(test_helpers.SayIncorrectUsage())
			Expect(fakeExitHandler.ExitCalledWith).To(Equal([]int{exit_codes.InvalidSyntax}))
		})