outputBuffer = gbytes.NewBuffer()
terminalUI = terminal.NewUI(nil, outputBuffer, nil)
fakeExitHandler = &fake_exit_handler.FakeExitHandler{}
fakeSecureShell = &fake_secure_shell.FakeSecureShell{}
})
Describe("SSHCommand", func() {
var sshCommand cli.Command
BeforeEach(func() {
commandFactory := command_factory.NewSSHCommandFactory(config, terminalUI, fakeExitHandler, fakeSecureShell)
sshCommand = commandFactory.MakeSSHCommand()
})
It("should ssh to instance 0 given an app name", func() {
test_helpers.ExecuteCommandWithArgs(sshCommand, []string{"app-name"})
Expect(outputBuffer).To(test_helpers.SayLine("Connecting to app-name/0 at %s", config.Target()))
Expect(fakeSecureShell.ConnectToShellCallCount()).To(Equal(1))
appName, instanceIndex, command, actualConfig := fakeSecureShell.ConnectToShellArgsForCall(0)
Expect(appName).To(Equal("app-name"))
Expect(instanceIndex).To(Equal(0))
Expect(command).To(BeEmpty())
Expect(actualConfig).To(Equal(config))
})
It("should ssh to instance index specified", func() {
test_helpers.ExecuteCommandWithArgs(sshCommand, []string{"--instance", "2", "app-name"})
Expect(outputBuffer).To(test_helpers.SayLine("Connecting to app-name/2 at %s", config.Target()))
})
Describe("TargetBlobCommand", func() {
var targetBlobCommand cli.Command
BeforeEach(func() {
commandFactory := command_factory.NewConfigCommandFactory(config, terminalUI, fakeTargetVerifier, fakeExitHandler)
targetBlobCommand = commandFactory.MakeTargetBlobCommand()
})
Context("displaying the blob target", func() {
It("outputs the current target", func() {
config.SetBlobTarget("192.168.11.11", 8980, "datkeyyo", "supersecretJKJK", "bucket")
config.Save()
test_helpers.ExecuteCommandWithArgs(targetBlobCommand, []string{})
Expect(outputBuffer).To(test_helpers.Say("Blob Target:\t192.168.11.11:8980\n"))
Expect(outputBuffer).To(test_helpers.Say("Access Key:\tdatkeyyo"))
Expect(outputBuffer).To(test_helpers.Say("Secret Key:\tsupersecretJKJK"))
Expect(outputBuffer).To(test_helpers.Say("Bucket Name:\tbucket"))
})
It("alerts the user if no target is set", func() {
config.SetBlobTarget("", 0, "", "", "")
config.Save()
test_helpers.ExecuteCommandWithArgs(targetBlobCommand, []string{})
Expect(outputBuffer).To(test_helpers.SayLine("Blob target not set"))
})
Expect(newConfig.Receptor()).To(Equal("http://*****:*****@receptor.oldtarget.com"))
}
BeforeEach(func() {
commandFactory := command_factory.NewConfigCommandFactory(config, terminalUI, fakeTargetVerifier, fakeBlobStoreVerifier, fakeExitHandler)
targetCommand = commandFactory.MakeTargetCommand()
config.SetTarget("oldtarget.com")
config.SetLogin("olduser", "oldpass")
Expect(config.Save()).To(Succeed())
})
Context("displaying the target", func() {
JustBeforeEach(func() {
test_helpers.ExecuteCommandWithArgs(targetCommand, []string{})
})
It("outputs the current user and target host", func() {
Expect(outputBuffer).To(test_helpers.SayLine("Target:\t\[email protected]"))
})
Context("when no username is set", func() {
BeforeEach(func() {
config.SetLogin("", "")
Expect(config.Save()).To(Succeed())
})
It("only prints the target", func() {
Expect(outputBuffer).To(test_helpers.SayLine("Target:\t\toldtarget.com"))
})
var fakeClusterTestRunner *fake_cluster_test_runner.FakeClusterTestRunner
BeforeEach(func() {
fakeClusterTestRunner = &fake_cluster_test_runner.FakeClusterTestRunner{}
})
Describe("MakeClusterTestCommand", func() {
var clusterTestCommand cli.Command
BeforeEach(func() {
commandFactory := command_factory.NewClusterTestCommandFactory(fakeClusterTestRunner)
clusterTestCommand = commandFactory.MakeClusterTestCommand()
})
It("prints the integration test run output and args", func() {
test_helpers.ExecuteCommandWithArgs(clusterTestCommand, []string{"--timeout=50s", "--verbose=true"})
Expect(fakeClusterTestRunner.RunCallCount()).To(Equal(1))
timeoutArg, verboseArg := fakeClusterTestRunner.GetArgsForRun()
Expect(timeoutArg).To(Equal(time.Second * 50))
Expect(verboseArg).To(BeTrue())
})
It("has sane defaults", func() {
test_helpers.ExecuteCommandWithArgs(clusterTestCommand, []string{})
Expect(fakeClusterTestRunner.RunCallCount()).To(Equal(1))
timeoutArg, verboseArg := fakeClusterTestRunner.GetArgsForRun()
Expect(timeoutArg).To(Equal(time.Minute * 2))
Expect(verboseArg).To(BeFalse())
})
prevDir, err = os.Getwd()
Expect(err).ToNot(HaveOccurred())
Expect(os.Chdir(tmpDir)).To(Succeed())
fakeCFIgnore.ShouldIgnoreStub = func(path string) bool {
return path == "some-ignored-file"
}
})
AfterEach(func() {
Expect(os.Chdir(prevDir)).To(Succeed())
Expect(os.RemoveAll(tmpDir)).To(Succeed())
})
It("tars up current working folder and uploads as the droplet name", func() {
test_helpers.ExecuteCommandWithArgs(buildDropletCommand, []string{"droplet-name", "http://some.url/for/buildpack"})
Expect(outputBuffer).To(test_helpers.Say("Submitted build of droplet-name"))
Expect(fakeDropletRunner.UploadBitsCallCount()).To(Equal(1))
dropletName, uploadPath := fakeDropletRunner.UploadBitsArgsForCall(0)
Expect(dropletName).To(Equal("droplet-name"))
Expect(uploadPath).ToNot(BeNil())
Expect(uploadPath).To(HaveSuffix(".tar"))
buffer := make([]byte, 12)
file, err := os.Open(uploadPath)
Expect(err).ToNot(HaveOccurred())
tarReader := tar.NewReader(file)
h, err := tarReader.Next()
)
BeforeEach(func() {
commandRan = false
cliCommand = cli.Command{
Name: "exec",
Action: func(*cli.Context) {
commandRan = true
},
}
})
Describe("ExecuteCommandWithArgs", func() {
It("executes the command", func() {
test_helpers.ExecuteCommandWithArgs(cliCommand, []string{})
Expect(commandRan).To(BeTrue())
})
})
Describe("AsyncExecuteCommandWithArgs", func() {
It("executes the command", func() {
doneChan := test_helpers.AsyncExecuteCommandWithArgs(cliCommand, []string{})
Eventually(doneChan, 3).Should(BeClosed())
Expect(commandRan).To(BeTrue())
})
})
})
Context("when the archive path is a file and exists", func() {
var (
tmpFile *os.File
err error
)
BeforeEach(func() {
tmpDir := os.TempDir()
tmpFile, err = ioutil.TempFile(tmpDir, "tmp_file")
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
os.RemoveAll(tmpFile.Name())
})
It("checks the file exists and calls the droplet runner", func() {
test_helpers.ExecuteCommandWithArgs(uploadBitsCommand, []string{"droplet-name", tmpFile.Name()})
Expect(outputBuffer).To(test_helpers.Say("Successfully uploaded droplet-name"))
Expect(fakeDropletRunner.UploadBitsCallCount()).To(Equal(1))
dropletName, uploadPath := fakeDropletRunner.UploadBitsArgsForCall(0)
Expect(dropletName).To(Equal("droplet-name"))
Expect(uploadPath).To(Equal(tmpFile.Name()))
})
Context("when the droplet runner returns an error", func() {
It("prints the error", func() {
fakeDropletRunner.UploadBitsReturns(errors.New("uploading bits failed"))
test_helpers.ExecuteCommandWithArgs(uploadBitsCommand, []string{"droplet-name", tmpFile.Name()})
Expect(outputBuffer).To(test_helpers.Say("Error uploading to droplet-name: uploading bits failed"))
})
Context("when the json file exists", func() {
BeforeEach(func() {
tmpDir = os.TempDir()
tmpFile, err = ioutil.TempFile(tmpDir, "tmp_json")
Expect(err).ToNot(HaveOccurred())
Expect(ioutil.WriteFile(tmpFile.Name(), []byte(`{"Value":"test value"}`), 0700)).To(Succeed())
})
It("creates an app from json", func() {
fakeAppRunner.SubmitLrpReturns("my-json-app", nil)
args := []string{tmpFile.Name()}
test_helpers.ExecuteCommandWithArgs(submitLrpCommand, args)
Expect(outputBuffer).To(test_helpers.Say(colors.Green("Successfully submitted my-json-app.")))
Expect(outputBuffer).To(test_helpers.Say("To view the status of your application: ltc status my-json-app"))
Expect(fakeAppRunner.SubmitLrpCallCount()).To(Equal(1))
Expect(fakeAppRunner.SubmitLrpArgsForCall(0)).To(Equal([]byte(`{"Value":"test value"}`)))
})
It("prints an error returned by the app_runner", func() {
fakeAppRunner.SubmitLrpReturns("app-that-broke", errors.New("some error"))
args := []string{tmpFile.Name()}
test_helpers.ExecuteCommandWithArgs(submitLrpCommand, args)
Expect(outputBuffer).To(test_helpers.Say("Error creating app-that-broke: some error"))
Expect(fakeAppRunner.SubmitLrpCallCount()).To(Equal(1))
fakeAppExaminer = &fake_app_examiner.FakeAppExaminer{}
fakeSecureShell = &fake_secure_shell.FakeSecureShell{}
})
Describe("SSHCommand", func() {
var sshCommand cli.Command
BeforeEach(func() {
commandFactory := command_factory.NewSSHCommandFactory(config, terminalUI, fakeExitHandler, fakeAppExaminer, fakeSecureShell)
sshCommand = commandFactory.MakeSSHCommand()
})
It("should ssh to instance 0 given an app name", func() {
fakeAppExaminer.AppStatusReturns(app_examiner.AppInfo{ActualRunningInstances: 1}, nil)
test_helpers.ExecuteCommandWithArgs(sshCommand, []string{"app-name"})
Expect(outputBuffer).To(test_helpers.SayLine("Connecting to app-name/0 at %s", config.Target()))
Expect(fakeSecureShell.ConnectToShellCallCount()).To(Equal(1))
appName, instanceIndex, command, actualConfig := fakeSecureShell.ConnectToShellArgsForCall(0)
Expect(appName).To(Equal("app-name"))
Expect(instanceIndex).To(Equal(0))
Expect(command).To(BeEmpty())
Expect(actualConfig).To(Equal(config))
Expect(fakeAppExaminer.AppStatusCallCount()).To(Equal(1))
Expect(fakeAppExaminer.AppStatusArgsForCall(0)).To(Equal("app-name"))
})
It("should ssh to instance index specified", func() {
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}))
})
It("handles non existent application", func() {
appExaminer.AppExistsReturns(false, nil)
taskExaminer.TaskStatusReturns(task_examiner.TaskInfo{}, errors.New("task not found"))
doneChan := test_helpers.AsyncExecuteCommandWithArgs(logsCommand, []string{"non_existent_app"})
Eventually(fakeTailedLogsOutputter.OutputTailedLogsCallCount).Should(Equal(1))
Expect(fakeTailedLogsOutputter.OutputTailedLogsArgsForCall(0)).To(Equal("non_existent_app"))
Expect(outputBuffer).To(test_helpers.Say("Application or task non_existent_app not found."))
Expect(outputBuffer).To(test_helpers.Say("Tailing logs and waiting for non_existent_app to appear..."))
BeforeEach(func() {
fakeIntegrationTestRunner = fake_integration_test_runner.NewFakeIntegrationTestRunner()
})
Describe("MakeIntegrationTestCommand", func() {
var integrationTestCommand cli.Command
BeforeEach(func() {
commandFactory := command_factory.NewIntegrationTestCommandFactory(fakeIntegrationTestRunner)
integrationTestCommand = commandFactory.MakeIntegrationTestCommand()
})
It("prints the integration test run output and args", func() {
test_helpers.ExecuteCommandWithArgs(integrationTestCommand, []string{"--timeout=50s", "--verbose=true", "--cli-help"})
Expect(fakeIntegrationTestRunner.RunCallCount()).To(Equal(1))
timeoutArg, verboseArg, cliHelpArg := fakeIntegrationTestRunner.GetArgsForRun()
Expect(timeoutArg).To(Equal(time.Second * 50))
Expect(verboseArg).To(Equal(true))
Expect(cliHelpArg).To(Equal(true))
})
It("has sane defaults", func() {
test_helpers.ExecuteCommandWithArgs(integrationTestCommand, []string{})
Expect(fakeIntegrationTestRunner.RunCallCount()).To(Equal(1))
timeoutArg, verboseArg, cliHelpArg := fakeIntegrationTestRunner.GetArgsForRun()
Expect(timeoutArg).To(Equal(time.Minute * 2))
Expect(verboseArg).To(BeFalse())
commandFactory := command_factory.NewTaskExaminerCommandFactory(fakeTaskExaminer, terminalUI, fakeExitHandler)
taskCommand = commandFactory.MakeTaskCommand()
})
It("displays info for a pending task", func() {
taskInfo := task_examiner.TaskInfo{
TaskGuid: "boop",
State: "PENDING",
CellID: "cell-01",
Failed: false,
FailureReason: "",
Result: "",
}
fakeTaskExaminer.TaskStatusReturns(taskInfo, nil)
test_helpers.ExecuteCommandWithArgs(taskCommand, []string{"boop"})
Expect(outputBuffer).To(test_helpers.Say("Task Name"))
Expect(outputBuffer).To(test_helpers.Say("boop"))
Expect(outputBuffer).To(test_helpers.Say("Cell ID"))
Expect(outputBuffer).To(test_helpers.Say("cell-01"))
Expect(outputBuffer).To(test_helpers.Say("Status"))
Expect(outputBuffer).To(test_helpers.Say(colors.Yellow("PENDING")))
Expect(outputBuffer).NotTo(test_helpers.Say("Result"))
Expect(outputBuffer).NotTo(test_helpers.Say("Failure Reason"))
Expect(fakeTaskExaminer.TaskStatusCallCount()).To(Equal(1))
Expect(fakeTaskExaminer.TaskStatusArgsForCall(0)).To(Equal("boop"))
})
It("displays result for a non-failed completed task", func() {
BeforeEach(func() {
fakeClusterTestRunner = &fake_cluster_test_runner.FakeClusterTestRunner{}
})
Describe("MakeClusterTestCommand", func() {
var clusterTestCommand cli.Command
BeforeEach(func() {
commandFactory := command_factory.NewClusterTestCommandFactory(fakeClusterTestRunner)
clusterTestCommand = commandFactory.MakeClusterTestCommand()
})
It("prints the integration test run output and args", func() {
args := []string{"--timeout=50s", "--verbose=true"}
test_helpers.ExecuteCommandWithArgs(clusterTestCommand, args)
Expect(fakeClusterTestRunner.RunCallCount()).To(Equal(1))
timeoutArg, verboseArg := fakeClusterTestRunner.GetArgsForRun()
Expect(timeoutArg).To(Equal(time.Second * 50))
Expect(verboseArg).To(BeTrue())
})
It("has sane defaults", func() {
test_helpers.ExecuteCommandWithArgs(clusterTestCommand, []string{})
Expect(fakeClusterTestRunner.RunCallCount()).To(Equal(1))
timeoutArg, verboseArg := fakeClusterTestRunner.GetArgsForRun()
Expect(timeoutArg).To(Equal(time.Minute * 2))
Expect(verboseArg).To(BeFalse())
})
buildDropletCommand = commandFactory.MakeBuildDropletCommand()
fakeBlobStoreVerifier.VerifyReturns(true, nil)
})
Context("when the archive path is a folder and exists", func() {
BeforeEach(func() {
fakeCFIgnore.ShouldIgnoreStub = func(path string) bool {
return path == "some-ignored-file"
}
})
It("zips up current working folder and uploads as the droplet name", func() {
fakeZipper.IsZipFileReturns(false)
fakeZipper.ZipReturns("xyz.zip", nil)
test_helpers.ExecuteCommandWithArgs(buildDropletCommand, []string{"droplet-name", "http://some.url/for/buildpack"})
Expect(outputBuffer).To(test_helpers.SayLine("Uploading application bits..."))
Expect(outputBuffer).To(test_helpers.SayLine("Uploaded."))
Expect(fakeBlobStoreVerifier.VerifyCallCount()).To(Equal(1))
Expect(fakeBlobStoreVerifier.VerifyArgsForCall(0)).To(Equal(config))
Expect(outputBuffer).To(test_helpers.SayLine("Submitted build of droplet-name"))
Expect(fakeDropletRunner.UploadBitsCallCount()).To(Equal(1))
dropletName, uploadPath := fakeDropletRunner.UploadBitsArgsForCall(0)
Expect(dropletName).To(Equal("droplet-name"))
Expect(uploadPath).NotTo(BeNil())
Expect(uploadPath).To(Equal("xyz.zip"))
FailureReason: "No compatible container",
Result: "Finished",
State: "COMPLETED",
},
task_examiner.TaskInfo{
TaskGuid: "task-guid-3",
CellID: "",
Failed: true,
FailureReason: "",
Result: "",
State: "COMPLETED",
},
}
fakeTaskExaminer.ListTasksReturns(listTasks, nil)
test_helpers.ExecuteCommandWithArgs(listAppsCommand, []string{})
Expect(outputBuffer).To(test_helpers.Say(colors.Bold("App Name")))
Expect(outputBuffer).To(test_helpers.Say(colors.Bold("Instances")))
Expect(outputBuffer).To(test_helpers.Say(colors.Bold("DiskMB")))
Expect(outputBuffer).To(test_helpers.Say(colors.Bold("MemoryMB")))
Expect(outputBuffer).To(test_helpers.Say(colors.Bold("Route")))
Expect(outputBuffer).To(test_helpers.Say(colors.Bold("process1")))
Expect(outputBuffer).To(test_helpers.Say(colors.Red("0/21")))
Expect(outputBuffer).To(test_helpers.Say(colors.NoColor("100")))
Expect(outputBuffer).To(test_helpers.Say(colors.NoColor("50")))
Expect(outputBuffer).To(test_helpers.Say("alldaylong.com => 54321"))
Expect(outputBuffer).To(test_helpers.Say(colors.Bold("process2")))
Expect(outputBuffer).To(test_helpers.Say(colors.Yellow("9/8")))
Context("when the json file exists", func() {
BeforeEach(func() {
tmpDir = os.TempDir()
tmpFile, err = ioutil.TempFile(tmpDir, "tmp_json")
Expect(err).ToNot(HaveOccurred())
})
It("submits a task from json", func() {
jsonContents := []byte(`{"Value":"test value"}`)
ioutil.WriteFile(tmpFile.Name(), jsonContents, 0700)
args := []string{tmpFile.Name()}
fakeTaskRunner.SubmitTaskReturns("some-task", nil)
test_helpers.ExecuteCommandWithArgs(submitTaskCommand, args)
Expect(outputBuffer).To(test_helpers.Say(colors.Green("Successfully submitted some-task")))
Expect(fakeTaskRunner.SubmitTaskCallCount()).To(Equal(1))
Expect(fakeTaskRunner.SubmitTaskArgsForCall(0)).To(Equal(jsonContents))
})
It("prints an error returned by the task_runner", func() {
jsonContents := []byte(`{"Value":"test value"}`)
ioutil.WriteFile(tmpFile.Name(), jsonContents, 0700)
args := []string{tmpFile.Name()}
fakeTaskRunner.SubmitTaskReturns("some-task", errors.New("taskypoo"))
test_helpers.ExecuteCommandWithArgs(submitTaskCommand, args)
Expect(fakeTaskRunner.SubmitTaskCallCount()).To(Equal(1))
prevDir, err = os.Getwd()
Expect(err).ToNot(HaveOccurred())
Expect(os.Chdir(tmpDir)).To(Succeed())
fakeCFIgnore.ShouldIgnoreStub = func(path string) bool {
return path == "some-ignored-file"
}
})
AfterEach(func() {
Expect(os.Chdir(prevDir)).To(Succeed())
Expect(os.RemoveAll(tmpDir)).To(Succeed())
})
It("tars up current working folder and uploads as the droplet name", func() {
test_helpers.ExecuteCommandWithArgs(buildDropletCommand, []string{"droplet-name", "http://some.url/for/buildpack"})
Expect(outputBuffer).To(test_helpers.Say("Submitted build of droplet-name"))
Expect(fakeDropletRunner.UploadBitsCallCount()).To(Equal(1))
dropletName, uploadPath := fakeDropletRunner.UploadBitsArgsForCall(0)
Expect(dropletName).To(Equal("droplet-name"))
Expect(uploadPath).ToNot(BeNil())
Expect(uploadPath).To(HaveSuffix(".tar"))
buffer := make([]byte, 12)
file, err := os.Open(uploadPath)
Expect(err).ToNot(HaveOccurred())
tarReader := tar.NewReader(file)
h, err := tarReader.Next()
"--run-as-root=true",
"--instances=22",
"--env=TIMEZONE=CST",
`--env=LANG="Chicago English"`,
`--env=JAVA_OPTS="-Djava.arg=/dev/urandom"`,
"--env=COLOR",
"--env=UNSET",
"--timeout=28s",
"cool-web-app",
"superfun/app:mycooltag",
"--",
"/start-me-please",
"AppArg0",
`--appFlavor="purple"`,
}
test_helpers.ExecuteCommandWithArgs(createCommand, args)
Expect(fakeDockerMetadataFetcher.FetchMetadataCallCount()).To(Equal(1))
Expect(fakeDockerMetadataFetcher.FetchMetadataArgsForCall(0)).To(Equal("superfun/app:mycooltag"))
Expect(fakeAppRunner.CreateAppCallCount()).To(Equal(1))
createAppParams := fakeAppRunner.CreateAppArgsForCall(0)
Expect(createAppParams.Name).To(Equal("cool-web-app"))
Expect(createAppParams.StartCommand).To(Equal("/start-me-please"))
Expect(createAppParams.RootFS).To(Equal("docker:///superfun/app#mycooltag"))
Expect(createAppParams.AppArgs).To(Equal([]string{"AppArg0", "--appFlavor=\"purple\""}))
Expect(createAppParams.Instances).To(Equal(22))
Expect(createAppParams.EnvironmentVariables).To(Equal(map[string]string{
"DOCKER": "ME",
"TIMEZONE": "CST",
"LANG": `"Chicago English"`,
})
Describe("SSHCommand", func() {
var sshCommand cli.Command
BeforeEach(func() {
commandFactory := command_factory.NewSSHCommandFactory(config, terminalUI, fakeExitHandler, fakeAppExaminer, fakeSSH)
sshCommand = commandFactory.MakeSSHCommand()
})
Context("when connecting fails", func() {
It("should print an error", func() {
fakeAppExaminer.AppStatusReturns(app_examiner.AppInfo{ActualRunningInstances: 1}, nil)
fakeSSH.ConnectReturns(errors.New("connection failed"))
test_helpers.ExecuteCommandWithArgs(sshCommand, []string{"good-name"})
Expect(outputBuffer).To(test_helpers.SayLine("Error connecting to good-name/0: connection failed"))
Expect(fakeSSH.ConnectCallCount()).To(Equal(1))
Expect(fakeSSH.ForwardCallCount()).To(Equal(0))
Expect(fakeSSH.ShellCallCount()).To(Equal(0))
Expect(fakeExitHandler.ExitCalledWith).To(Equal([]int{exit_codes.CommandFailed}))
})
})
Describe("port forwarding", func() {
It("should forward a local port to a remote host and port", func() {
fakeAppExaminer.AppStatusReturns(app_examiner.AppInfo{ActualRunningInstances: 1}, nil)
test_helpers.ExecuteCommandWithArgs(sshCommand, []string{"app-name", "-N", "-L", "mrlocalhost:1234:remotehost:5678"})