It("polls for the app to start with correct number of instances, outputting logs while the app starts", func() {
fakeDockerMetadataFetcher.FetchMetadataReturns(&docker_metadata_fetcher.ImageMetadata{}, nil)
fakeAppExaminer.RunningAppInstancesInfoReturns(0, false, nil)
args := []string{
"--instances=10",
"cool-web-app",
"superfun/app",
"--",
"/start-me-please",
}
doneChan := test_helpers.AsyncExecuteCommandWithArgs(createCommand, args)
Eventually(outputBuffer).Should(test_helpers.SayLine("Creating App: cool-web-app"))
Expect(fakeTailedLogsOutputter.OutputTailedLogsCallCount()).To(Equal(1))
Expect(fakeTailedLogsOutputter.OutputTailedLogsArgsForCall(0)).To(Equal("cool-web-app"))
Expect(fakeAppExaminer.RunningAppInstancesInfoCallCount()).To(Equal(1))
Expect(fakeAppExaminer.RunningAppInstancesInfoArgsForCall(0)).To(Equal("cool-web-app"))
fakeClock.IncrementBySeconds(1)
Expect(fakeTailedLogsOutputter.StopOutputtingCallCount()).To(Equal(0))
fakeAppExaminer.RunningAppInstancesInfoReturns(9, false, nil)
fakeClock.IncrementBySeconds(1)
Expect(doneChan).ShouldNot(BeClosed())
Expect(fakeTailedLogsOutputter.StopOutputtingCallCount()).To(Equal(0))
fakeAppExaminer.RunningAppInstancesInfoReturns(10, false, nil)
fakeClock.IncrementBySeconds(1)
doneChan := test_helpers.AsyncExecuteCommandWithArgs(logsCommand, []string{"task-guid"})
Eventually(fakeTailedLogsOutputter.OutputTailedLogsCallCount).Should(Equal(1))
Expect(fakeTailedLogsOutputter.OutputTailedLogsArgsForCall(0)).To(Equal("task-guid"))
Consistently(doneChan).ShouldNot(BeClosed())
})
Context("when the receptor returns an error", func() {
It("displays an error and exits", func() {
appExaminer.AppExistsReturns(false, errors.New("can't log this"))
test_helpers.ExecuteCommandWithArgs(logsCommand, []string{"non_existent_app"})
Expect(outputBuffer).To(test_helpers.Say("Error: can't log this"))
Expect(fakeTailedLogsOutputter.OutputTailedLogsCallCount()).To(BeZero())
Expect(fakeExitHandler.ExitCalledWith).To(Equal([]int{exit_codes.CommandFailed}))
})
})
})
Describe("DebugLogsCommand", func() {
var debugLogsCommand cli.Command
BeforeEach(func() {
commandFactory := command_factory.NewLogsCommandFactory(appExaminer, taskExaminer, terminalUI, fakeTailedLogsOutputter, fakeExitHandler)
debugLogsCommand = commandFactory.MakeDebugLogsCommand()
})
It("tails logs from the lattice-debug stream", func() {
doneChan := test_helpers.AsyncExecuteCommandWithArgs(debugLogsCommand, []string{})
