Golang fakes.FakePlatform類代碼示例

func init() {
	Describe("ReleaseApplySpec", func() {
		var (
			platform *fakeplatform.FakePlatform
			action   ReleaseApplySpecAction
		)

		BeforeEach(func() {
			platform = fakeplatform.NewFakePlatform()
			action = NewReleaseApplySpec(platform)
		})

		It("is synchronous", func() {
			Expect(action.IsAsynchronous()).To(BeFalse())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		It("run", func() {
			err := platform.GetFs().WriteFileString("/var/vcap/micro/apply_spec.json", `{"json":["objects"]}`)
			Expect(err).ToNot(HaveOccurred())

			value, err := action.Run()
			Expect(err).ToNot(HaveOccurred())

			Expect(value).To(Equal(map[string]interface{}{"json": []interface{}{"objects"}}))
		})
	})
}

func init() {
	Describe("ListDisk", func() {
		var (
			settingsService *fakesettings.FakeSettingsService
			platform        *fakeplatform.FakePlatform
			logger          boshlog.Logger
			action          ListDiskAction
		)

		BeforeEach(func() {
			settingsService = &fakesettings.FakeSettingsService{}
			platform = fakeplatform.NewFakePlatform()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			action = NewListDisk(settingsService, platform, logger)
		})

		It("list disk should be synchronous", func() {
			Expect(action.IsAsynchronous()).To(BeFalse())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		It("list disk run", func() {
			platform.MountedDevicePaths = []string{"/dev/sdb", "/dev/sdc"}

			settingsService.Settings.Disks = boshsettings.Disks{
				Persistent: map[string]interface{}{
					"volume-1": "/dev/sda",
					"volume-2": "/dev/sdb",
					"volume-3": "/dev/sdc",
				},
			}

			value, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			values, ok := value.([]string)
			Expect(ok).To(BeTrue())
			Expect(values).To(ContainElement("volume-2"))
			Expect(values).To(ContainElement("volume-3"))
			Expect(len(values)).To(Equal(2))
		})
	})
}

func init() {
	Describe("Stop", func() {
		var (
			jobSupervisor   *fakejobsuper.FakeJobSupervisor
			platform        *fakeplatform.FakePlatform
			settingsService *fakesettings.FakeSettingsService
			logger          boshlog.Logger
			specService     *fakeas.FakeV1Service
			dualDCSupport   *nimbus.DualDCSupport
			action          StopAction
		)

		BeforeEach(func() {
			jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
			platform = fakeplatform.NewFakePlatform()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			specService = fakeas.NewFakeV1Service()
			settingsService = &fakesettings.FakeSettingsService{}
			dualDCSupport = nimbus.NewDualDCSupport(
				platform.GetRunner(),
				platform.GetFs(),
				platform.GetDirProvider(),
				specService,
				settingsService,
				logger,
			)
			action = NewStop(jobSupervisor, dualDCSupport, platform)
		})

		It("is asynchronous", func() {
			Expect(action.IsAsynchronous()).To(BeTrue())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		It("returns stopped", func() {
			stopped, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(stopped).To(Equal("stopped"))
		})

		It("stops job supervisor services", func() {
			_, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(jobSupervisor.Stopped).To(BeTrue())
		})
	})
}

func init() {
	Describe("ApplyAction", func() {
		var (
			applier         *fakeappl.FakeApplier
			specService     *fakeas.FakeV1Service
			settingsService *fakesettings.FakeSettingsService
			platform        *fakeplatform.FakePlatform
			dualDCSupport   *nimbus.DualDCSupport
			logger          boshlog.Logger
			action          ApplyAction
		)

		BeforeEach(func() {
			applier = fakeappl.NewFakeApplier()
			specService = fakeas.NewFakeV1Service()
			settingsService = &fakesettings.FakeSettingsService{}
			platform = fakeplatform.NewFakePlatform()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			dualDCSupport = nimbus.NewDualDCSupport(
				platform.GetRunner(),
				platform.GetFs(),
				platform.GetDirProvider(),
				specService,
				settingsService,
				logger,
			)

			action = NewApply(applier, specService, settingsService, dualDCSupport, platform)
		})

		It("apply should be asynchronous", func() {
			Expect(action.IsAsynchronous()).To(BeTrue())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		Describe("Run", func() {
			settings := boshsettings.Settings{AgentID: "fake-agent-id"}

			BeforeEach(func() {
				settingsService.Settings = settings
			})

			Context("when desired spec has configuration hash", func() {
				currentApplySpec := boshas.V1ApplySpec{ConfigurationHash: "fake-current-config-hash"}
				desiredApplySpec := boshas.V1ApplySpec{ConfigurationHash: "fake-desired-config-hash"}
				populatedDesiredApplySpec := boshas.V1ApplySpec{
					ConfigurationHash: "fake-populated-desired-config-hash",
				}

				Context("when current spec can be retrieved", func() {
					BeforeEach(func() {
						specService.Spec = currentApplySpec
					})

					It("populates dynamic networks in desired spec", func() {
						_, err := action.Run(desiredApplySpec)
						Expect(err).ToNot(HaveOccurred())
						Expect(specService.PopulateDHCPNetworksSpec).To(Equal(desiredApplySpec))
						Expect(specService.PopulateDHCPNetworksSettings).To(Equal(settings))
					})

					Context("when resolving dynamic networks succeeds", func() {
						BeforeEach(func() {
							specService.PopulateDHCPNetworksResultSpec = populatedDesiredApplySpec
						})

						It("runs applier with populated desired spec", func() {
							_, err := action.Run(desiredApplySpec)
							Expect(err).ToNot(HaveOccurred())
							Expect(applier.Applied).To(BeTrue())
							Expect(applier.ApplyCurrentApplySpec).To(Equal(currentApplySpec))
							Expect(applier.ApplyDesiredApplySpec).To(Equal(populatedDesiredApplySpec))
						})

						Context("when applier succeeds applying desired spec", func() {
							Context("when saving desires spec as current spec succeeds", func() {
								It("returns 'applied' after setting populated desired spec as current spec", func() {
									value, err := action.Run(desiredApplySpec)
									Expect(err).ToNot(HaveOccurred())
									Expect(value).To(Equal("applied"))

									Expect(specService.Spec).To(Equal(populatedDesiredApplySpec))
								})
							})

							Context("when saving populated desires spec as current spec fails", func() {
								It("returns error because agent was not able to remember that is converged to desired spec", func() {
									specService.SetErr = errors.New("fake-set-error")

									_, err := action.Run(desiredApplySpec)
									Expect(err).To(HaveOccurred())
									Expect(err.Error()).To(ContainSubstring("fake-set-error"))
								})
							})
						})

						Context("when applier fails applying desired spec", func() {
//.........這裏部分代碼省略.........

import (
	"encoding/json"
	"errors"

	. "github.com/cloudfoundry/bosh-agent/internal/github.com/onsi/ginkgo"
	. "github.com/cloudfoundry/bosh-agent/internal/github.com/onsi/gomega"

	. "github.com/cloudfoundry/bosh-agent/infrastructure"
	boshlog "github.com/cloudfoundry/bosh-agent/internal/github.com/cloudfoundry/bosh-utils/logger"
	fakeplatform "github.com/cloudfoundry/bosh-agent/platform/fakes"
)

var _ = Describe("ConfigDriveSettingsSource", func() {
	var (
		platform *fakeplatform.FakePlatform
		source   *ConfigDriveSettingsSource
	)

	BeforeEach(func() {
		diskPaths := []string{"/fake-disk-path-1", "/fake-disk-path-2"}
		metadataPath := "fake-metadata-path"
		settingsPath := "fake-settings-path"
		platform = fakeplatform.NewFakePlatform()
		logger := boshlog.NewLogger(boshlog.LevelNone)
		source = NewConfigDriveSettingsSource(diskPaths, metadataPath, settingsPath, platform, logger)
	})

	BeforeEach(func() {
		// Set up default settings and metadata
		platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-metadata-path", []byte(`{}`), nil)
		platform.SetGetFilesContentsFromDisk("/fake-disk-path-1/fake-settings-path", []byte(`{}`), nil)

func init() {
	Describe("natsHandler", func() {
		var (
			settingsService *fakesettings.FakeSettingsService
			client          *fakeyagnats.FakeYagnats
			logger          boshlog.Logger
			handler         boshhandler.Handler
			platform        *fakeplatform.FakePlatform
			loggerOutBuf    *bytes.Buffer
			loggerErrBuf    *bytes.Buffer
		)

		BeforeEach(func() {
			settingsService = &fakesettings.FakeSettingsService{
				Settings: boshsettings.Settings{
					AgentID: "my-agent-id",
					Mbus:    "nats://fake-username:[email protected]:1234",
				},
			}

			loggerOutBuf = bytes.NewBufferString("")
			loggerErrBuf = bytes.NewBufferString("")
			logger = boshlog.NewWriterLogger(boshlog.LevelError, loggerOutBuf, loggerErrBuf)

			client = fakeyagnats.New()
			platform = fakeplatform.NewFakePlatform()
			handler = NewNatsHandler(settingsService, client, logger, platform)
		})

		Describe("Start", func() {
			It("starts", func() {
				var receivedRequest boshhandler.Request

				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					receivedRequest = req
					return boshhandler.NewValueResponse("expected value")
				})
				defer handler.Stop()

				Expect(client.ConnectedConnectionProvider()).ToNot(BeNil())

				Expect(client.SubscriptionCount()).To(Equal(1))
				subscriptions := client.Subscriptions("agent.my-agent-id")
				Expect(len(subscriptions)).To(Equal(1))

				expectedPayload := []byte(`{"method":"ping","arguments":["foo","bar"], "reply_to": "reply to me!"}`)
				subscription := subscriptions[0]
				subscription.Callback(&yagnats.Message{
					Subject: "agent.my-agent-id",
					Payload: expectedPayload,
				})

				Expect(receivedRequest).To(Equal(boshhandler.Request{
					ReplyTo: "reply to me!",
					Method:  "ping",
					Payload: expectedPayload,
				}))

				Expect(client.PublishedMessageCount()).To(Equal(1))
				messages := client.PublishedMessages("reply to me!")
				Expect(len(messages)).To(Equal(1))
				Expect(messages[0].Payload).To(Equal([]byte(`{"value":"expected value"}`)))
			})

			It("cleans up ip-mac address cache for nats configured with ip address", func() {
				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					return nil
				})
				defer handler.Stop()

				Expect(platform.CleanedIPMacAddressCache).To(Equal("127.0.0.1"))
				Expect(client.ConnectedConnectionProvider()).ToNot(BeNil())
			})

			It("does not try to clean up ip-mac address cache for nats configured with hostname", func() {
				settingsService.Settings.Mbus = "nats://fake-username:[email protected]:1234"
				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					return nil
				})
				defer handler.Stop()

				Expect(platform.CleanedIPMacAddressCache).To(BeEmpty())
				Expect(client.ConnectedConnectionProvider()).ToNot(BeNil())
			})

			It("logs error and proceeds if it fails to clean up ip-mac address cache for nats", func() {
				platform.CleanIPMacAddressCacheErr = errors.New("failed to run")
				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					return nil
				})
				defer handler.Stop()

				Expect(platform.CleanedIPMacAddressCache).To(Equal("127.0.0.1"))
				Expect(loggerErrBuf).To(ContainSubstring("ERROR - Cleaning ip-mac address cache for: 127.0.0.1"))
				Expect(client.ConnectedConnectionProvider()).ToNot(BeNil())
			})

			It("does not respond if the response is nil", func() {
				err := handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					return nil
//.........這裏部分代碼省略.........

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	. "github.com/cloudfoundry/bosh-agent/mbus"
	"github.com/cloudfoundry/bosh-agent/micro"
	fakeplatform "github.com/cloudfoundry/bosh-agent/platform/fakes"
	boshdir "github.com/cloudfoundry/bosh-agent/settings/directories"
	fakesettings "github.com/cloudfoundry/bosh-agent/settings/fakes"
	boshlog "github.com/cloudfoundry/bosh-utils/logger"
)

var _ = Describe("HandlerProvider", func() {
	var (
		settingsService *fakesettings.FakeSettingsService
		platform        *fakeplatform.FakePlatform
		dirProvider     boshdir.Provider
		logger          boshlog.Logger
		provider        HandlerProvider
	)

	BeforeEach(func() {
		settingsService = &fakesettings.FakeSettingsService{}
		logger = boshlog.NewLogger(boshlog.LevelNone)
		platform = fakeplatform.NewFakePlatform()
		dirProvider = boshdir.NewProvider("/var/vcap")
		provider = NewHandlerProvider(settingsService, logger)
	})

	Describe("Get", func() {
		It("returns nats handler", func() {
			settingsService.Settings.Mbus = "nats://lol"

import (
	fakeplatform "github.com/cloudfoundry/bosh-agent/platform/fakes"
	boshsettings "github.com/cloudfoundry/bosh-agent/settings"
	fakesettings "github.com/cloudfoundry/bosh-agent/settings/fakes"
	boshassert "github.com/cloudfoundry/bosh-utils/assert"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	. "github.com/cloudfoundry/bosh-agent/agent/action"
)

var _ = Describe("UnmountDiskAction", func() {
	var (
		platform *fakeplatform.FakePlatform
		action   UnmountDiskAction

		expectedDiskSettings boshsettings.DiskSettings
	)

	BeforeEach(func() {
		platform = fakeplatform.NewFakePlatform()

		settingsService := &fakesettings.FakeSettingsService{
			Settings: boshsettings.Settings{
				Disks: boshsettings.Disks{
					Persistent: map[string]interface{}{
						"vol-123": map[string]interface{}{
							"volume_id": "2",
							"path":      "/dev/sdf",
						},
					},

	))
	Expect(platform.SetupSSHPublicKeys["fake-user"]).To(Equal("fake-public-key"))
}

func buildSSHAction(settingsService boshsettings.Service) (*fakeplatform.FakePlatform, SSHAction) {
	platform := fakeplatform.NewFakePlatform()
	dirProvider := boshdirs.NewProvider("/foo")
	logger := boshlog.NewLogger(boshlog.LevelNone)
	action := NewSSH(settingsService, platform, dirProvider, logger)
	return platform, action
}

var _ = Describe("SSHAction", func() {
	var (
		platform        *fakeplatform.FakePlatform
		settingsService boshsettings.Service
		action          SSHAction
	)

	Context("Action setup", func() {
		BeforeEach(func() {
			settingsService = &fakesettings.FakeSettingsService{}
			platform, action = buildSSHAction(settingsService)
		})

		It("ssh should be synchronous", func() {
			Expect(action.IsAsynchronous()).To(BeFalse())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())

	"errors"

	. "github.com/cloudfoundry/bosh-agent/agent/action"
	"github.com/cloudfoundry/bosh-agent/platform/cert/fakes"
	fakeplatform "github.com/cloudfoundry/bosh-agent/platform/fakes"
	boshsettings "github.com/cloudfoundry/bosh-agent/settings"
	fakesettings "github.com/cloudfoundry/bosh-agent/settings/fakes"
	"github.com/cloudfoundry/bosh-utils/logger"
	"path/filepath"
)

var _ = Describe("UpdateSettings", func() {
	var (
		action            UpdateSettingsAction
		certManager       *fakes.FakeManager
		settingsService   *fakesettings.FakeSettingsService
		log               logger.Logger
		platform          *fakeplatform.FakePlatform
		newUpdateSettings boshsettings.UpdateSettings
	)

	BeforeEach(func() {
		log = logger.NewLogger(logger.LevelNone)
		certManager = new(fakes.FakeManager)
		settingsService = &fakesettings.FakeSettingsService{}
		platform = fakeplatform.NewFakePlatform()
		action = NewUpdateSettings(settingsService, platform, certManager, log)
		newUpdateSettings = boshsettings.UpdateSettings{}
	})

	AssertActionIsAsynchronous(action)
	AssertActionIsNotPersistent(action)

	"errors"

	. "github.com/cloudfoundry/bosh-agent/internal/github.com/onsi/ginkgo"
	. "github.com/cloudfoundry/bosh-agent/internal/github.com/onsi/gomega"

	. "github.com/cloudfoundry/bosh-agent/agent/action"
	fakeplatform "github.com/cloudfoundry/bosh-agent/platform/fakes"
	boshsettings "github.com/cloudfoundry/bosh-agent/settings"
	boshdirs "github.com/cloudfoundry/bosh-agent/settings/directories"
	fakesettings "github.com/cloudfoundry/bosh-agent/settings/fakes"
)

var _ = Describe("MountDiskAction", func() {
	var (
		settingsService *fakesettings.FakeSettingsService
		platform        *fakeplatform.FakePlatform
		action          MountDiskAction
	)

	BeforeEach(func() {
		settingsService = &fakesettings.FakeSettingsService{}
		platform = fakeplatform.NewFakePlatform()
		dirProvider := boshdirs.NewProvider("/fake-base-dir")
		action = NewMountDisk(settingsService, platform, platform, dirProvider)
	})

	It("is asynchronous", func() {
		Expect(action.IsAsynchronous()).To(BeTrue())
	})

	It("is not persistent", func() {

	boshsettings "github.com/cloudfoundry/bosh-agent/settings"
	boshcrypto "github.com/cloudfoundry/bosh-utils/crypto"

	fakelogger "github.com/cloudfoundry/bosh-agent/logger/fakes"
	fakeplatform "github.com/cloudfoundry/bosh-agent/platform/fakes"
	fakesettings "github.com/cloudfoundry/bosh-agent/settings/fakes"
	fakeblobstore "github.com/cloudfoundry/bosh-utils/blobstore/fakes"
	fakesys "github.com/cloudfoundry/bosh-utils/system/fakes"
)

var _ = Describe("SyncDNS", func() {
	var (
		action              SyncDNS
		fakeBlobstore       *fakeblobstore.FakeBlobstore
		fakeSettingsService *fakesettings.FakeSettingsService
		fakePlatform        *fakeplatform.FakePlatform
		fakeFileSystem      *fakesys.FakeFileSystem
		logger              *fakelogger.FakeLogger
	)

	BeforeEach(func() {
		logger = &fakelogger.FakeLogger{}
		fakeBlobstore = fakeblobstore.NewFakeBlobstore()
		fakeSettingsService = &fakesettings.FakeSettingsService{}
		fakePlatform = fakeplatform.NewFakePlatform()
		fakeFileSystem = fakePlatform.GetFs().(*fakesys.FakeFileSystem)

		action = NewSyncDNS(fakeBlobstore, fakeSettingsService, fakePlatform, logger)
	})

	AssertActionIsNotAsynchronous(action)

func init() {
	Describe("Start", func() {
		var (
			jobSupervisor   *fakejobsuper.FakeJobSupervisor
			applier         *fakeappl.FakeApplier
			specService     *fakeas.FakeV1Service
			platform        *fakeplatform.FakePlatform
			settingsService *fakesettings.FakeSettingsService
			logger          boshlog.Logger
			dualDCSupport   *nimbus.DualDCSupport
			action          StartAction
		)

		BeforeEach(func() {
			jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
			applier = fakeappl.NewFakeApplier()
			specService = fakeas.NewFakeV1Service()
			action = NewStart(jobSupervisor, applier, specService, dualDCSupport, platform)
			platform = fakeplatform.NewFakePlatform()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			settingsService = &fakesettings.FakeSettingsService{}
			dualDCSupport = nimbus.NewDualDCSupport(
				platform.GetRunner(),
				platform.GetFs(),
				platform.GetDirProvider(),
				specService,
				settingsService,
				logger,
			)
			action = NewStart(jobSupervisor, applier, specService, dualDCSupport, platform)
		})

		It("is synchronous", func() {
			Expect(action.IsAsynchronous()).To(BeFalse())
		})

		It("is not persistent", func() {
			Expect(action.IsPersistent()).To(BeFalse())
		})

		It("returns started", func() {
			started, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(started).To(Equal("started"))
		})

		It("starts monitor services", func() {
			_, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(jobSupervisor.Started).To(BeTrue())
		})

		It("configures jobs", func() {
			_, err := action.Run()
			Expect(err).ToNot(HaveOccurred())
			Expect(applier.Configured).To(BeTrue())
		})

		It("apply errs if a job fails configuring", func() {
			applier.ConfiguredError = errors.New("fake error")
			_, err := action.Run()

			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("Configuring jobs"))
		})
	})
}

func describeHTTPMetadataService() {
	var (
		metadataHeaders map[string]string
		dnsResolver     *fakeinf.FakeDNSResolver
		platform        *fakeplat.FakePlatform
		logger          boshlog.Logger
		metadataService MetadataService
	)

	BeforeEach(func() {
		metadataHeaders = make(map[string]string)
		metadataHeaders["key"] = "value"
		dnsResolver = &fakeinf.FakeDNSResolver{}
		platform = fakeplat.NewFakePlatform()
		logger = boshlog.NewLogger(boshlog.LevelNone)
		metadataService = NewHTTPMetadataService("fake-metadata-host", metadataHeaders, "/user-data", "/instanceid", "/ssh-keys", dnsResolver, platform, logger)
	})

	ItEnsuresMinimalNetworkSetup := func(subject func() (string, error)) {
		Context("when no networks are configured", func() {
			BeforeEach(func() {
				platform.GetConfiguredNetworkInterfacesInterfaces = []string{}
			})

			It("sets up DHCP network", func() {
				_, err := subject()
				Expect(err).ToNot(HaveOccurred())

				Expect(platform.SetupNetworkingCalled).To(BeTrue())
				Expect(platform.SetupNetworkingNetworks).To(Equal(boshsettings.Networks{
					"eth0": boshsettings.Network{
						Type: "dynamic",
					},
				}))
			})

			Context("when setting up DHCP fails", func() {
				BeforeEach(func() {
					platform.SetupNetworkingErr = errors.New("fake-network-error")
				})

				It("returns an error", func() {
					_, err := subject()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-network-error"))
				})
			})
		})
	}

	Describe("IsAvailable", func() {
		It("returns true", func() {
			Expect(metadataService.IsAvailable()).To(BeTrue())
		})
	})

	Describe("GetPublicKey", func() {
		var (
			ts          *httptest.Server
			sshKeysPath string
		)

		BeforeEach(func() {
			handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				defer GinkgoRecover()

				Expect(r.Method).To(Equal("GET"))
				Expect(r.URL.Path).To(Equal("/ssh-keys"))
				Expect(r.Header.Get("key")).To(Equal("value"))

				w.Write([]byte("fake-public-key"))
			})
			ts = httptest.NewServer(handler)
		})

		AfterEach(func() {
			ts.Close()
		})

		Context("when the ssh keys path is present", func() {
			BeforeEach(func() {
				sshKeysPath = "/ssh-keys"
				metadataService = NewHTTPMetadataService(ts.URL, metadataHeaders, "/user-data", "/instanceid", sshKeysPath, dnsResolver, platform, logger)
			})

			It("returns fetched public key", func() {
				publicKey, err := metadataService.GetPublicKey()
				Expect(err).NotTo(HaveOccurred())
				Expect(publicKey).To(Equal("fake-public-key"))
			})

			ItEnsuresMinimalNetworkSetup(func() (string, error) {
				return metadataService.GetPublicKey()
			})
		})

		Context("when the ssh keys path is not present", func() {
			BeforeEach(func() {
				sshKeysPath = ""
				metadataService = NewHTTPMetadataService(ts.URL, metadataHeaders, "/user-data", "/instanceid", sshKeysPath, dnsResolver, platform, logger)
//.........這裏部分代碼省略.........

package infrastructure_test

import (
	"errors"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	. "github.com/cloudfoundry/bosh-agent/infrastructure"
	fakeplatform "github.com/cloudfoundry/bosh-agent/platform/fakes"
	boshlog "github.com/cloudfoundry/bosh-utils/logger"
)

var _ = Describe("ConfigDriveSettingsSource", func() {
	var (
		platform *fakeplatform.FakePlatform
		source   *CDROMSettingsSource
	)

	BeforeEach(func() {
		settingsFileName := "fake-settings-file-name"
		platform = fakeplatform.NewFakePlatform()
		logger := boshlog.NewLogger(boshlog.LevelNone)
		source = NewCDROMSettingsSource(settingsFileName, platform, logger)
	})

	Describe("PublicSSHKeyForUsername", func() {
		It("returns an empty string", func() {
			publicKey, err := source.PublicSSHKeyForUsername("fake-username")
			Expect(err).ToNot(HaveOccurred())
			Expect(publicKey).To(Equal(""))
		})