Golang FakeFileSystem.RemoveAllStub方法代碼示例

				jobsDir := dirProvider.MonitJobsDir()
				jobBasename := "/0000_router.monitrc"
				fs.WriteFileString(jobsDir+jobBasename, "fake-added-job")

				err := monit.RemoveAllJobs()
				Expect(err).ToNot(HaveOccurred())

				Expect(fs.FileExists(jobsDir)).To(BeFalse())
				Expect(fs.FileExists(jobsDir + jobBasename)).To(BeFalse())
			})
		})

		Context("when jobs directory removal fails", func() {
			It("returns error if removing jobs directory fails", func() {
				fs.RemoveAllStub = func(_ string) error {
					return errors.New("fake-remove-all-error")
				}

				err := monit.RemoveAllJobs()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-remove-all-error"))
			})
		})
	})

	Describe("Unmonitor", func() {
		BeforeEach(func() {
			client.ServicesInGroupServices = []string{"fake-srv-1", "fake-srv-2", "fake-srv-3"}
			client.UnmonitorServiceErrs = []error{nil, nil, nil}
		})

func init() {
	Describe("concreteCompiler", func() {
		var (
			compiler       Compiler
			compressor     *fakecmd.FakeCompressor
			blobstore      *fakeblobstore.FakeBlobstore
			fs             *fakesys.FakeFileSystem
			runner         *fakecmdrunner.FakeFileLoggingCmdRunner
			packageApplier *fakepackages.FakeApplier
			packagesBc     *fakebc.FakeBundleCollection
		)

		BeforeEach(func() {
			compressor = fakecmd.NewFakeCompressor()
			blobstore = &fakeblobstore.FakeBlobstore{}
			fs = fakesys.NewFakeFileSystem()
			runner = fakecmdrunner.NewFakeFileLoggingCmdRunner()
			packageApplier = fakepackages.NewFakeApplier()
			packagesBc = fakebc.NewFakeBundleCollection()

			compiler = NewConcreteCompiler(
				compressor,
				blobstore,
				fs,
				runner,
				FakeCompileDirProvider{Dir: "/fake-compile-dir"},
				packageApplier,
				packagesBc,
			)
		})

		BeforeEach(func() {
			fs.MkdirAll("/fake-compile-dir", os.ModePerm)
		})

		Describe("Compile", func() {
			var (
				bundle  *fakebc.FakeBundle
				pkg     Package
				pkgDeps []boshmodels.Package
			)

			BeforeEach(func() {
				bundle = packagesBc.FakeGet(boshmodels.Package{
					Name:    "pkg_name",
					Version: "pkg_version",
				})

				bundle.InstallPath = "/fake-dir/data/packages/pkg_name/pkg_version"
				bundle.EnablePath = "/fake-dir/packages/pkg_name"

				compressor.CompressFilesInDirTarballPath = "/tmp/compressed-compiled-package"

				pkg, pkgDeps = getCompileArgs()
			})

			It("returns blob id and sha1 of created compiled package", func() {
				blobstore.CreateBlobID = "fake-blob-id"
				blobstore.CreateFingerprint = "fake-blob-sha1"

				blobID, sha1, err := compiler.Compile(pkg, pkgDeps)
				Expect(err).ToNot(HaveOccurred())

				Expect(blobID).To(Equal("fake-blob-id"))
				Expect(sha1).To(Equal("fake-blob-sha1"))
			})

			It("cleans up all packages before and after applying dependent packages", func() {
				_, _, err := compiler.Compile(pkg, pkgDeps)
				Expect(err).ToNot(HaveOccurred())
				Expect(packageApplier.ActionsCalled).To(Equal([]string{"KeepOnly", "Apply", "Apply", "KeepOnly"}))
				Expect(packageApplier.KeptOnlyPackages).To(BeEmpty())
			})

			It("returns an error if cleaning up packages fails", func() {
				packageApplier.KeepOnlyErr = errors.New("fake-keep-only-error")

				_, _, err := compiler.Compile(pkg, pkgDeps)
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-keep-only-error"))
			})

			It("fetches source package from blobstore without checking SHA1 by default because of Director bug", func() {
				_, _, err := compiler.Compile(pkg, pkgDeps)
				Expect(err).ToNot(HaveOccurred())

				Expect(blobstore.GetBlobIDs[0]).To(Equal("blobstore_id"))
				Expect(blobstore.GetFingerprints[0]).To(Equal(""))
			})

			PIt("(Pending Tracker Story: <https://www.pivotaltracker.com/story/show/94524232>) fetches source package from blobstore and checks SHA1 by default in future", func() {
				_, _, err := compiler.Compile(pkg, pkgDeps)
				Expect(err).ToNot(HaveOccurred())

				Expect(blobstore.GetBlobIDs[0]).To(Equal("blobstore_id"))
				Expect(blobstore.GetFingerprints[0]).To(Equal("sha1"))
			})

			It("returns an error if removing compile target directory during uncompression fails", func() {
				fs.RemoveAllStub = func(path string) error {
//.........這裏部分代碼省略.........

			Expect(countFiles(fakeFs, "/path/to/delete/stuff/in/")).To(Equal(0))
			Expect(countFiles(fakeFs, "/path/to/other/things/in/")).To(Equal(1))
		})

		It("returns an error when glob fails", func() {
			fakeFs.GlobErr = errors.New("couldn't walk")
			fakeFs.WriteFileString("/path/to/delete/stuff/in/delete_me_1.foo", "goodbye")
			fakeFs.WriteFileString("/path/to/delete/stuff/in/delete_me_2.bar", "goodbye")
			count, err := cert.DeleteFiles(fakeFs, "/path/to/delete/stuff/in/", "delete_me_")
			Expect(err).To(HaveOccurred())
			Expect(count).To(Equal(0))
		})

		It("returns an error when RemoveAll() fails", func() {
			fakeFs.RemoveAllStub = func(_ string) error {
				return errors.New("couldn't delete")
			}
			fakeFs.WriteFileString("/path/to/delete/stuff/in/delete_me_1.foo", "goodbye")
			fakeFs.WriteFileString("/path/to/delete/stuff/in/delete_me_2.bar", "goodbye")
			fakeFs.SetGlob("/path/to/delete/stuff/in/delete_me_*", []string{
				"/path/to/delete/stuff/in/delete_me_1.foo",
				"/path/to/delete/stuff/in/delete_me_2.bar",
			})
			count, err := cert.DeleteFiles(fakeFs, "/path/to/delete/stuff/in/", "delete_me_")
			Expect(err).To(HaveOccurred())
			Expect(count).To(Equal(0))
		})
	})

	Describe("cert.Manager implementations", func() {
		var (

	})

	Describe("Delete", func() {
		It("deletes the rendered job list archive from the file system", func() {
			err := fs.MkdirAll(renderedJobListArchivePath, os.ModePerm)
			Expect(err).ToNot(HaveOccurred())

			err = renderedJobListArchive.Delete()
			Expect(err).ToNot(HaveOccurred())
			Expect(fs.FileExists(renderedJobListArchivePath)).To(BeFalse())
		})

		Context("when deleting from the file system fails", func() {
			JustBeforeEach(func() {
				fs.RemoveAllStub = func(_ string) error {
					return bosherr.Error("fake-delete-error")
				}
			})

			It("returns an error", func() {
				err := renderedJobListArchive.Delete()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-delete-error"))
			})
		})
	})

	Describe("DeleteSilently", func() {
		It("deletes the rendered job path from the file system", func() {
			err := fs.MkdirAll(renderedJobListArchivePath, os.ModePerm)
			Expect(err).ToNot(HaveOccurred())

					Expect(response).To(Equal(""))
					Expect(err.Error()).To(ContainSubstring("reading fake-blobstore-file-path from blobstore"))
					Expect(fakeFileSystem.FileExists("fake-blobstore-file-path")).To(BeFalse())
				})

				It("deletes the file once read", func() {
					_, err := action.Run("fake-blobstore-id", "fake-fingerprint", 2)
					Expect(err).ToNot(HaveOccurred())

					Expect(fakeFileSystem.FileExists("fake-blobstore-file-path")).To(BeFalse())
				})

				It("logs when the dns blob file can't be deleted", func() {
					fakeFileSystem.RemoveAllStub = func(path string) error {
						if path == "fake-blobstore-file-path" {
							return errors.New("fake-file-path-error")
						}
						return nil
					}
					_, err := action.Run("fake-blobstore-id", "fake-fingerprint", 2)
					Expect(err).ToNot(HaveOccurred())

					tag, message, _ := logger.ErrorArgsForCall(0)
					Expect(tag).To(Equal("Sync DNS action"))
					Expect(message).To(Equal("Failed to remove dns blob file at path 'fake-blobstore-file-path'"))
				})

				It("saves DNS records to the platform", func() {
					response, err := action.Run("fake-blobstore-id", "fake-fingerprint", 2)
					Expect(err).ToNot(HaveOccurred())
					Expect(response).To(Equal("synced"))

func init() {
	Describe("prepareNetworkChange", func() {
		var (
			action PrepareNetworkChangeAction
			fs     *fakesys.FakeFileSystem

			settingsService *fakesettings.FakeSettingsService
		)

		BeforeEach(func() {
			fs = fakesys.NewFakeFileSystem()
			settingsService = &fakesettings.FakeSettingsService{}
			action = NewPrepareNetworkChange(fs, settingsService, fakeactions.NewFakeAgentKiller())
		})

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

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

		It("invalidates settings so that load settings cannot fall back on old settings", func() {
			resp, err := action.Run()
			Expect(err).NotTo(HaveOccurred())
			Expect(resp).To(Equal("ok"))

			Expect(settingsService.SettingsWereInvalidated).To(BeTrue())
		})

		Context("when settings invalidation succeeds", func() {
			Context("when the network rules file can be removed", func() {
				It("removes the network rules file", func() {
					fs.WriteFile("/etc/udev/rules.d/70-persistent-net.rules", []byte{})

					resp, err := action.Run()
					Expect(err).NotTo(HaveOccurred())
					Expect(resp).To(Equal("ok"))

					Expect(fs.FileExists("/etc/udev/rules.d/70-persistent-net.rules")).To(BeFalse())
				})
			})

			Context("when the network rules file cannot be removed", func() {
				BeforeEach(func() {
					fs.RemoveAllStub = func(_ string) error {
						return errors.New("fake-remove-all-error")
					}
				})

				It("returns error from removing the network rules file", func() {
					resp, err := action.Run()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-remove-all-error"))

					Expect(resp).To(BeNil())
				})
			})
		})

		Context("when settings invalidation fails", func() {
			BeforeEach(func() {
				settingsService.InvalidateSettingsError = errors.New("fake-invalidate-error")
			})

			It("returns error early if settings err invalidating", func() {
				resp, err := action.Run()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-invalidate-error"))

				Expect(resp).To(BeNil())
			})

			It("does not remove the network rules file", func() {
				fs.WriteFile("/etc/udev/rules.d/70-persistent-net.rules", []byte{})

				action.Run()
				Expect(fs.FileExists("/etc/udev/rules.d/70-persistent-net.rules")).To(BeTrue())
			})
		})
	})
}

		Context("when copying the file returns an error", func() {
			BeforeEach(func() {
				fs.CopyFileError = errors.New("copying error")
			})

			It("returns an error", func() {
				err := mover.Move(oldLocation, newLocation)
				Expect(err).To(HaveOccurred())
			})
		})

		Context("when deleting the old file returns an error", func() {
			BeforeEach(func() {
				fs.RemoveAllStub = func(_ string) error {
					return errors.New("error removing")
				}
			})

			It("returns an error", func() {
				err := mover.Move(oldLocation, newLocation)
				Expect(err).To(HaveOccurred())
			})
		})
	})

	Context("when Rename fails for any other reason", func() {
		BeforeEach(func() {
			fs.RenameError = errors.New("what's my name again?")
		})

		It("removes the blob from the blobstore", func() {
			fs.WriteFileString("/fake-file.txt", "fake-file-contents")
			blobID, err := blobstore.Create("/fake-file.txt")
			Expect(err).ToNot(HaveOccurred())

			_, err = blobstore.Get(blobID, nil)
			Expect(err).ToNot(HaveOccurred())

			err = blobstore.Delete(blobID)
			Expect(err).ToNot(HaveOccurred())

			_, err = blobstore.Get(blobID, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("doesn't exist"))
		})

		It("returns an error if removing the blob fails", func() {
			fs.RemoveAllStub = func(_ string) error {
				return errors.New("failed to remove")
			}
			fs.WriteFileString("/fake-file.txt", "fake-file-contents")
			blobID, err := blobstore.Create("/fake-file.txt")
			Expect(err).ToNot(HaveOccurred())

			err = blobstore.Delete(blobID)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("failed to remove"))
		})
	})
})

//.........這裏部分代碼省略.........
				})

				Context("when no settings file exists", func() {
					It("returns any error from the fetcher", func() {
						err := service.LoadSettings()
						Expect(err).To(HaveOccurred())
						Expect(err.Error()).To(ContainSubstring("fake-fetch-error"))

						Expect(service.GetSettings()).To(Equal(Settings{}))
					})
				})
			})
		})

		Describe("InvalidateSettings", func() {
			It("removes the settings file", func() {
				fakeSettingsSource.SettingsValue = Settings{}
				fakeSettingsSource.SettingsErr = nil
				service, fs := buildService()

				fs.WriteFile("/setting/path.json", []byte(`{}`))

				err := service.InvalidateSettings()
				Expect(err).ToNot(HaveOccurred())

				Expect(fs.FileExists("/setting/path.json")).To(BeFalse())
			})

			It("returns err if removing settings file errored", func() {
				fakeSettingsSource.SettingsValue = Settings{}
				fakeSettingsSource.SettingsErr = nil
				service, fs := buildService()

				fs.RemoveAllStub = func(_ string) error {
					return errors.New("fs-remove-all-error")
				}

				err := service.InvalidateSettings()
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fs-remove-all-error"))
			})
		})

		Describe("GetSettings", func() {
			var (
				loadedSettings Settings
				service        Service
			)

			BeforeEach(func() {
				loadedSettings = Settings{AgentID: "some-agent-id"}
			})

			JustBeforeEach(func() {
				fakeSettingsSource.SettingsValue = loadedSettings
				fakeSettingsSource.SettingsErr = nil
				service, _ = buildService()
				err := service.LoadSettings()
				Expect(err).NotTo(HaveOccurred())
			})

			Context("when there is are no dynamic networks", func() {
				It("returns settings without modifying any networks", func() {
					Expect(service.GetSettings()).To(Equal(loadedSettings))
				})