github.com/liamawhite/cli-with-i18n@v6.32.1-0.20171122084555-dede0a5c3448+incompatible/command/v2/logs_command_test.go

package v2_test

import (
	"errors"
	"time"

	"github.com/cloudfoundry/noaa/consumer"
	"github.com/liamawhite/cli-with-i18n/actor/sharedaction"
	"github.com/liamawhite/cli-with-i18n/actor/v2action"
	"github.com/liamawhite/cli-with-i18n/command/commandfakes"
	"github.com/liamawhite/cli-with-i18n/command/translatableerror"
	. "github.com/liamawhite/cli-with-i18n/command/v2"
	"github.com/liamawhite/cli-with-i18n/command/v2/v2fakes"
	"github.com/liamawhite/cli-with-i18n/util/configv3"
	"github.com/liamawhite/cli-with-i18n/util/ui"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	. "github.com/onsi/gomega/gbytes"
)

var _ = Describe("logs command", func() {
	var (
		cmd             LogsCommand
		testUI          *ui.UI
		fakeConfig      *commandfakes.FakeConfig
		fakeSharedActor *commandfakes.FakeSharedActor
		fakeActor       *v2fakes.FakeLogsActor
		noaaClient      *consumer.Consumer
		binaryName      string
		executeErr      error
	)

	BeforeEach(func() {
		testUI = ui.NewTestUI(nil, NewBuffer(), NewBuffer())
		fakeConfig = new(commandfakes.FakeConfig)
		fakeSharedActor = new(commandfakes.FakeSharedActor)
		fakeActor = new(v2fakes.FakeLogsActor)
		noaaClient = new(consumer.Consumer)

		cmd = LogsCommand{
			UI:          testUI,
			Config:      fakeConfig,
			SharedActor: fakeSharedActor,
			Actor:       fakeActor,
			NOAAClient:  noaaClient,
		}

		binaryName = "faceman"
		fakeConfig.BinaryNameReturns(binaryName)
		cmd.RequiredArgs.AppName = "some-app"
		fakeConfig.CurrentUserReturns(configv3.User{Name: "some-user"}, nil)
	})

	JustBeforeEach(func() {
		executeErr = cmd.Execute(nil)
	})

	Context("when the checkTarget fails", func() {
		BeforeEach(func() {
			fakeSharedActor.CheckTargetReturns(
				sharedaction.NotLoggedInError{BinaryName: binaryName})
		})
		It("returns an error", func() {
			_, orgRequired, spaceRequired := fakeSharedActor.CheckTargetArgsForCall(0)
			Expect(orgRequired).To(BeTrue())
			Expect(spaceRequired).To(BeTrue())

			Expect(executeErr).To(MatchError(
				translatableerror.NotLoggedInError{BinaryName: binaryName}))
		})
	})

	Context("when checkTarget succeeds", func() {
		BeforeEach(func() {
			fakeConfig.TargetedSpaceReturns(configv3.Space{
				Name: "some-space-name",
				GUID: "some-space-guid",
			})
			fakeConfig.TargetedOrganizationReturns(configv3.Organization{
				Name: "some-org-name",
			})
		})

		Context("when the --recent flag is provided", func() {
			BeforeEach(func() {
				cmd.Recent = true
			})

			It("displays flavor text", func() {
				Expect(testUI.Out).To(Say("Retrieving logs for app some-app in org some-org-name / space some-space-name as some-user..."))
			})

			Context("when the logs actor returns an error", func() {
				var expectedErr error
				BeforeEach(func() {
					expectedErr = errors.New("some-error")
					fakeActor.GetRecentLogsForApplicationByNameAndSpaceReturns(
						nil,
						v2action.Warnings{"some-warning-1", "some-warning-2"},
						expectedErr)
				})

				It("displays the error", func() {
					Expect(executeErr).To(MatchError(expectedErr))
					Expect(testUI.Err).To(Say("some-warning-1"))
					Expect(testUI.Err).To(Say("some-warning-2"))
				})
			})

			Context("when the logs actor returns logs", func() {
				BeforeEach(func() {
					fakeActor.GetRecentLogsForApplicationByNameAndSpaceReturns(
						[]v2action.LogMessage{
							*v2action.NewLogMessage(
								"i am message 1",
								1,
								time.Unix(0, 0),
								"app",
								"1",
							),
							*v2action.NewLogMessage(
								"i am message 2",
								1,
								time.Unix(1, 0),
								"another-app",
								"2",
							),
						},
						v2action.Warnings{"some-warning-1", "some-warning-2"},
						nil)
				})

				It("displays the recent log messages and warnings", func() {
					Expect(executeErr).NotTo(HaveOccurred())
					Expect(testUI.Err).To(Say("some-warning-1"))
					Expect(testUI.Err).To(Say("some-warning-2"))

					Expect(testUI.Out).To(Say("i am message 1"))
					Expect(testUI.Out).To(Say("i am message 2"))

					Expect(fakeActor.GetRecentLogsForApplicationByNameAndSpaceCallCount()).To(Equal(1))
					appName, spaceGUID, client, config := fakeActor.GetRecentLogsForApplicationByNameAndSpaceArgsForCall(0)

					Expect(appName).To(Equal("some-app"))
					Expect(spaceGUID).To(Equal("some-space-guid"))
					Expect(client).To(Equal(noaaClient))
					Expect(config).To(Equal(fakeConfig))
				})
			})
		})

		Context("when the --recent flag is not provided", func() {
			BeforeEach(func() {
				cmd.Recent = false
			})

			Context("when the logs setup returns an error", func() {
				var expectedErr error

				BeforeEach(func() {
					expectedErr = errors.New("some-error")
					fakeActor.GetStreamingLogsForApplicationByNameAndSpaceReturns(nil, nil, v2action.Warnings{"some-warning-1", "some-warning-2"}, expectedErr)
				})

				It("displays the error and all warnings", func() {
					Expect(executeErr).To(MatchError(expectedErr))
					Expect(testUI.Err).To(Say("some-warning-1"))
					Expect(testUI.Err).To(Say("some-warning-2"))
				})
			})

			Context("when the logs stream returns an error", func() {
				var expectedErr error

				BeforeEach(func() {
					expectedErr = errors.New("some-error")

					fakeActor.GetStreamingLogsForApplicationByNameAndSpaceStub = func(_ string, _ string, _ v2action.NOAAClient, _ v2action.Config) (<-chan *v2action.LogMessage, <-chan error, v2action.Warnings, error) {
						messages := make(chan *v2action.LogMessage)
						logErrs := make(chan error)

						go func() {
							logErrs <- expectedErr
							close(messages)
							close(logErrs)
						}()

						return messages, logErrs, v2action.Warnings{"some-warning-1", "some-warning-2"}, nil
					}
				})

				It("displays the error and all warnings", func() {
					Expect(executeErr).To(MatchError(expectedErr))
					Expect(testUI.Err).To(Say("some-warning-1"))
					Expect(testUI.Err).To(Say("some-warning-2"))
				})
			})

			Context("when the logs actor returns logs", func() {
				BeforeEach(func() {
					fakeActor.GetStreamingLogsForApplicationByNameAndSpaceStub = func(_ string, _ string, _ v2action.NOAAClient, _ v2action.Config) (<-chan *v2action.LogMessage, <-chan error, v2action.Warnings, error) {
						messages := make(chan *v2action.LogMessage)
						logErrs := make(chan error)
						message1 := v2action.NewLogMessage(
							"i am message 1",
							1,
							time.Unix(0, 0),
							"app",
							"1",
						)
						message2 := v2action.NewLogMessage(
							"i am message 2",
							1,
							time.Unix(1, 0),
							"another-app",
							"2",
						)

						go func() {
							messages <- message1
							messages <- message2
							close(messages)
							close(logErrs)
						}()

						return messages, logErrs, v2action.Warnings{"some-warning-1", "some-warning-2"}, nil
					}
				})

				It("displays flavor text", func() {
					Expect(testUI.Out).To(Say("Retrieving logs for app some-app in org some-org-name / space some-space-name as some-user..."))
				})

				It("displays all streaming log messages and warnings", func() {
					Expect(executeErr).NotTo(HaveOccurred())
					Expect(testUI.Err).To(Say("some-warning-1"))
					Expect(testUI.Err).To(Say("some-warning-2"))

					Expect(testUI.Out).To(Say("i am message 1"))
					Expect(testUI.Out).To(Say("i am message 2"))

					Expect(fakeActor.GetStreamingLogsForApplicationByNameAndSpaceCallCount()).To(Equal(1))
					appName, spaceGUID, client, config := fakeActor.GetStreamingLogsForApplicationByNameAndSpaceArgsForCall(0)

					Expect(appName).To(Equal("some-app"))
					Expect(spaceGUID).To(Equal("some-space-guid"))
					Expect(client).To(Equal(noaaClient))
					Expect(config).To(Equal(fakeConfig))
				})
			})
		})
	})
})