Golang fakes.FakePackageApplier類代碼示例

func init() {
	Describe("concreteApplier", func() {
		var (
			jobApplier        *fakeja.FakeJobApplier
			packageApplier    *fakepa.FakePackageApplier
			logRotateDelegate *FakeLogRotateDelegate
			jobSupervisor     *fakejobsuper.FakeJobSupervisor
			applier           Applier
		)

		BeforeEach(func() {
			jobApplier = fakeja.NewFakeJobApplier()
			packageApplier = fakepa.NewFakePackageApplier()
			logRotateDelegate = &FakeLogRotateDelegate{}
			jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
			applier = NewConcreteApplier(
				jobApplier,
				packageApplier,
				logRotateDelegate,
				jobSupervisor,
				boshdirs.NewDirectoriesProvider("/fake-base-dir"),
			)
		})

		It("removes all jobs", func() {
			err := applier.Apply(&fakeas.FakeApplySpec{})
			Expect(err).ToNot(HaveOccurred())

			Expect(jobSupervisor.RemovedAllJobs).To(BeTrue())
		})

		It("removes all previous jobs before starting to apply jobs", func() {
			// force remove all error
			jobSupervisor.RemovedAllJobsErr = errors.New("fake-remove-all-jobs-error")

			job := buildJob()
			applier.Apply(&fakeas.FakeApplySpec{JobResults: []models.Job{job}})

			// check that jobs were not applied before removing all other jobs
			Expect(jobApplier.AppliedJobs).To(Equal([]models.Job{}))
		})

		It("returns error if removing all jobs fails", func() {
			jobSupervisor.RemovedAllJobsErr = errors.New("fake-remove-all-jobs-error")

			err := applier.Apply(&fakeas.FakeApplySpec{})
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fake-remove-all-jobs-error"))
		})

		It("apply applies jobs", func() {
			job := buildJob()

			err := applier.Apply(&fakeas.FakeApplySpec{JobResults: []models.Job{job}})
			Expect(err).ToNot(HaveOccurred())
			Expect(jobApplier.AppliedJobs).To(Equal([]models.Job{job}))
		})

		It("apply errs when applying jobs errs", func() {
			job := buildJob()

			jobApplier.ApplyError = errors.New("fake-apply-job-error")

			err := applier.Apply(&fakeas.FakeApplySpec{JobResults: []models.Job{job}})
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fake-apply-job-error"))
		})

		It("apply applies packages", func() {
			pkg1 := buildPackage()
			pkg2 := buildPackage()

			err := applier.Apply(&fakeas.FakeApplySpec{PackageResults: []models.Package{pkg1, pkg2}})
			Expect(err).ToNot(HaveOccurred())
			Expect(packageApplier.AppliedPackages).To(Equal([]models.Package{pkg1, pkg2}))
		})

		It("apply errs when applying packages errs", func() {
			pkg := buildPackage()

			packageApplier.ApplyError = errors.New("fake-apply-package-error")

			err := applier.Apply(&fakeas.FakeApplySpec{PackageResults: []models.Package{pkg}})
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fake-apply-package-error"))
		})

		It("apply configures jobs", func() {
			job1 := models.Job{Name: "fake-job-name-1", Version: "fake-version-name-1"}
			job2 := models.Job{Name: "fake-job-name-2", Version: "fake-version-name-2"}
			jobs := []models.Job{job1, job2}

			err := applier.Apply(&fakeas.FakeApplySpec{JobResults: jobs})
			Expect(err).ToNot(HaveOccurred())
			Expect(jobApplier.ConfiguredJobs).To(Equal([]models.Job{job2, job1}))
			Expect(jobApplier.ConfiguredJobIndices).To(Equal([]int{0, 1}))

			Expect(jobSupervisor.Reloaded).To(BeTrue())
		})

//.........這裏部分代碼省略.........

func init() {
	Describe("renderedJobApplier", func() {
		var (
			jobsBc                 *fakebc.FakeBundleCollection
			jobSupervisor          *fakejobsuper.FakeJobSupervisor
			packageApplierProvider *fakepa.FakePackageApplierProvider
			blobstore              *fakeblob.FakeBlobstore
			compressor             *fakecmd.FakeCompressor
			fs                     *fakesys.FakeFileSystem
			applier                JobApplier
		)

		BeforeEach(func() {
			jobsBc = fakebc.NewFakeBundleCollection()
			jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
			packageApplierProvider = fakepa.NewFakePackageApplierProvider()
			blobstore = fakeblob.NewFakeBlobstore()
			fs = fakesys.NewFakeFileSystem()
			compressor = fakecmd.NewFakeCompressor()
			logger := boshlog.NewLogger(boshlog.LevelNone)
			applier = NewRenderedJobApplier(
				jobsBc,
				jobSupervisor,
				packageApplierProvider,
				blobstore,
				compressor,
				fs,
				logger,
			)
		})

		Describe("Prepare & Apply", func() {
			var (
				job    models.Job
				bundle *fakebc.FakeBundle
			)

			BeforeEach(func() {
				job, bundle = buildJob(jobsBc)
			})

			ItInstallsJob := func(act func() error) {
				It("returns error when installing job fails", func() {
					bundle.InstallError = errors.New("fake-install-error")

					err := act()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-install-error"))
				})

				It("downloads and later cleans up downloaded job template blob", func() {
					blobstore.GetFileName = "/fake-blobstore-file-name"

					err := act()
					Expect(err).ToNot(HaveOccurred())
					Expect(blobstore.GetBlobIDs[0]).To(Equal("fake-blobstore-id"))
					Expect(blobstore.GetFingerprints[0]).To(Equal("fake-blob-sha1"))

					// downloaded file is cleaned up
					Expect(blobstore.CleanUpFileName).To(Equal("/fake-blobstore-file-name"))
				})

				It("returns error when downloading job template blob fails", func() {
					blobstore.GetError = errors.New("fake-get-error")

					err := act()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-get-error"))
				})

				It("decompresses job template blob to tmp path and later cleans it up", func() {
					fs.TempDirDir = "/fake-tmp-dir"
					blobstore.GetFileName = "/fake-blobstore-file-name"

					var tmpDirExistsBeforeInstall bool

					bundle.InstallCallBack = func() {
						tmpDirExistsBeforeInstall = true
					}

					err := act()
					Expect(err).ToNot(HaveOccurred())

					Expect(compressor.DecompressFileToDirTarballPaths[0]).To(Equal("/fake-blobstore-file-name"))
					Expect(compressor.DecompressFileToDirDirs[0]).To(Equal("/fake-tmp-dir"))

					// tmp dir exists before bundle install
					Expect(tmpDirExistsBeforeInstall).To(BeTrue())

					// tmp dir is cleaned up after install
					Expect(fs.FileExists(fs.TempDirDir)).To(BeFalse())
				})

				It("returns error when temporary directory creation fails", func() {
					fs.TempDirError = errors.New("fake-filesystem-tempdir-error")

					err := act()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-filesystem-tempdir-error"))
				})
//.........這裏部分代碼省略.........

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

		BeforeEach(func() {
			compressor = fakecmd.NewFakeCompressor()
			blobstore = &fakeblobstore.FakeBlobstore{}
			fs = fakesys.NewFakeFileSystem()
			runner = fakesys.NewFakeCmdRunner()
			packageApplier = fakepa.NewFakePackageApplier()
			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 applying dependent packages", func() {
				_, _, err := compiler.Compile(pkg, pkgDeps)
				Expect(err).ToNot(HaveOccurred())
				Expect(packageApplier.ActionsCalled).To(Equal([]string{"KeepOnly", "Apply", "Apply"}))
				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", 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.RegisterRemoveAllError("/fake-compile-dir/pkg_name", errors.New("fake-remove-error"))

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

			It("returns an error if creating compile target directory during uncompression fails", func() {
				fs.RegisterMkdirAllError("/fake-compile-dir/pkg_name", errors.New("fake-mkdir-error"))
//.........這裏部分代碼省略.........