Golang fakes.FakeCompressor類代碼示例

	BeforeEach(func() {
		mockCtrl = gomock.NewController(GinkgoT())
	})

	AfterEach(func() {
		mockCtrl.Finish()
	})

	var (
		logger                  boshlog.Logger
		compiler                bistatepkg.Compiler
		runner                  *fakesys.FakeCmdRunner
		pkg                     *birelpkg.Package
		fs                      *fakesys.FakeFileSystem
		compressor              *fakecmd.FakeCompressor
		packagesDir             string
		blobstore               *fakeblobstore.FakeBlobstore
		mockCompiledPackageRepo *mock_state_package.MockCompiledPackageRepo

		fakeExtractor *fakeblobextract.FakeExtractor

		dependency1 *birelpkg.Package
		dependency2 *birelpkg.Package
	)

	BeforeEach(func() {
		logger = boshlog.NewLogger(boshlog.LevelNone)
		packagesDir = "fake-packages-dir"
		runner = fakesys.NewFakeCmdRunner()
		fs = fakesys.NewFakeFileSystem()
		compressor = fakecmd.NewFakeCompressor()

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.........

	fakeblobstore "github.com/cloudfoundry/bosh-utils/blobstore/fakes"
	fakecmd "github.com/cloudfoundry/bosh-utils/fileutil/fakes"
	boshlog "github.com/cloudfoundry/bosh-utils/logger"
	fakesys "github.com/cloudfoundry/bosh-utils/system/fakes"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Extractor", func() {
	var (
		extractor  Extractor
		blobstore  *fakeblobstore.FakeBlobstore
		targetDir  string
		compressor *fakecmd.FakeCompressor
		logger     boshlog.Logger
		fs         *fakesys.FakeFileSystem

		blobID    string
		blobSHA1  string
		fileName  string
		fakeError error
	)

	BeforeEach(func() {
		blobstore = fakeblobstore.NewFakeBlobstore()
		targetDir = "fake-target-dir"
		compressor = fakecmd.NewFakeCompressor()
		logger = boshlog.NewLogger(boshlog.LevelNone)
		fs = fakesys.NewFakeFileSystem()
		blobID = "fake-blob-id"
		blobSHA1 = "fake-sha1"

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

	. "github.com/cloudfoundry/bosh-agent/agent/action"
	boshdirs "github.com/cloudfoundry/bosh-agent/settings/directories"
	boshassert "github.com/cloudfoundry/bosh-utils/assert"
	fakeblobstore "github.com/cloudfoundry/bosh-utils/blobstore/fakes"
	fakecmd "github.com/cloudfoundry/bosh-utils/fileutil/fakes"
)

var _ = Describe("FetchLogsAction", func() {
	var (
		compressor  *fakecmd.FakeCompressor
		copier      *fakecmd.FakeCopier
		blobstore   *fakeblobstore.FakeBlobstore
		dirProvider boshdirs.Provider
		action      FetchLogsAction
	)

	BeforeEach(func() {
		compressor = fakecmd.NewFakeCompressor()
		blobstore = &fakeblobstore.FakeBlobstore{}
		dirProvider = boshdirs.NewProvider("/fake/dir")
		copier = fakecmd.NewFakeCopier()
		action = NewFetchLogs(compressor, copier, blobstore, dirProvider)
	})

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

	bireljob "github.com/cloudfoundry/bosh-init/release/job"
	birelpkg "github.com/cloudfoundry/bosh-init/release/pkg"
	bosherr "github.com/cloudfoundry/bosh-utils/errors"
	fakecmd "github.com/cloudfoundry/bosh-utils/fileutil/fakes"
	boshlog "github.com/cloudfoundry/bosh-utils/logger"
	fakesys "github.com/cloudfoundry/bosh-utils/system/fakes"

	fakebirel "github.com/cloudfoundry/bosh-init/release/fakes"
)

var _ = Describe("Extractor", func() {

	var (
		fakeFS               *fakesys.FakeFileSystem
		compressor           *fakecmd.FakeCompressor
		fakeReleaseValidator *fakebirel.FakeValidator
		releaseExtractor     Extractor
	)

	BeforeEach(func() {
		fakeFS = fakesys.NewFakeFileSystem()
		compressor = fakecmd.NewFakeCompressor()
		fakeReleaseValidator = fakebirel.NewFakeValidator()
		logger := boshlog.NewLogger(boshlog.LevelNone)
		releaseExtractor = NewExtractor(fakeFS, compressor, fakeReleaseValidator, logger)
	})

	Describe("Extract", func() {
		var (
			releaseTarballPath string
		)

				Expect(err).ToNot(HaveOccurred())
				Expect(content).To(Equal("fake-rendered-job-0-script-0-content"))
				content, err = fs.ReadFileString(filepath.Join(renderedJobListDir, "fake-job-name-0", "script-1"))
				Expect(err).ToNot(HaveOccurred())
				Expect(content).To(Equal("fake-rendered-job-0-script-1-content"))

				// verify that archive contained rendered scripts from job 1
				content, err = fs.ReadFileString(filepath.Join(renderedJobListDir, "fake-job-name-1", "script-0"))
				Expect(err).ToNot(HaveOccurred())
				Expect(content).To(Equal("fake-rendered-job-1-script-0-content"))
			})
		})

		Context("with a fake fs & compressor", func() {
			var (
				fakeFS         *fakeboshsys.FakeFileSystem
				fakeCompressor *fakeboshcmd.FakeCompressor
			)

			BeforeEach(func() {
				fakeFS = fakeboshsys.NewFakeFileSystem()

				fakeCompressor = fakeboshcmd.NewFakeCompressor()

				renderedJobListCompressor = NewRenderedJobListCompressor(fakeFS, fakeCompressor, fakeSHA1Calculator, logger)
			})

			It("calculates the fingerprint of the rendered", func() {
				fakeFS.TempDirDir = "fake-rendered-job-list-path"

				fakeSHA1Calculator.SetCalculateBehavior(map[string]fakebicrypto.CalculateInput{
					"fake-rendered-job-list-path": fakebicrypto.CalculateInput{Sha1: "fake-sha1"},

func init() {
	Describe("compiledPackageApplier", func() {
		var (
			packagesBc *fakebc.FakeBundleCollection
			blobstore  *fakeblob.FakeBlobstore
			compressor *fakecmd.FakeCompressor
			fs         *fakesys.FakeFileSystem
			logger     boshlog.Logger
			applier    Applier
		)

		BeforeEach(func() {
			packagesBc = fakebc.NewFakeBundleCollection()
			blobstore = fakeblob.NewFakeBlobstore()
			compressor = fakecmd.NewFakeCompressor()
			fs = fakesys.NewFakeFileSystem()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			applier = NewCompiledPackageApplier(packagesBc, true, blobstore, compressor, fs, logger)
		})

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

			BeforeEach(func() {
				pkg, bundle = buildPkg(packagesBc)
			})

			ItInstallsPkg := func(act func() error) {
				It("returns error when installing package 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 package 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 package 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 package 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"))
				})

				It("returns error when decompressing package blob fails", func() {
					compressor.DecompressFileToDirErr = errors.New("fake-decompress-error")

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

				It("installs bundle from decompressed tmp path of a package blob", func() {
					fs.TempDirDir = "/fake-tmp-dir"
//.........這裏部分代碼省略.........

import (
	"errors"

	. "github.com/cloudfoundry/bosh-init/stemcell"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	fakecmd "github.com/cloudfoundry/bosh-utils/fileutil/fakes"
	biproperty "github.com/cloudfoundry/bosh-utils/property"
	fakesys "github.com/cloudfoundry/bosh-utils/system/fakes"
)

var _ = Describe("Reader", func() {
	var (
		compressor     *fakecmd.FakeCompressor
		stemcellReader Reader
		fs             *fakesys.FakeFileSystem
	)

	BeforeEach(func() {
		compressor = fakecmd.NewFakeCompressor()
		fs = fakesys.NewFakeFileSystem()
		stemcellReader = NewReader(compressor, fs)

		manifestContents := `
---
name: fake-stemcell-name
version: '2690'
cloud_properties:
  infrastructure: aws
  ami:

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

		BeforeEach(func() {
			jobsBc = fakebc.NewFakeBundleCollection()
			jobSupervisor = fakejobsuper.NewFakeJobSupervisor()
			packageApplierProvider = fakepackages.NewFakeApplierProvider()
			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) {
				BeforeEach(func() {
					fs.TempDirDir = "/fake-tmp-dir"
				})

				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(boshcrypto.NewDigest("sha1", "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() {
					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")

//.........這裏部分代碼省略.........

	AfterEach(func() {
		mockCtrl.Finish()
	})

	var (
		mockJobListRenderer *mock_template.MockJobListRenderer
		fakeCompressor      *fakeboshcmd.FakeCompressor
		fakeBlobstore       *fakeboshblob.FakeBlobstore

		fakeFS *fakeboshsys.FakeFileSystem

		logger boshlog.Logger

		renderer installation.JobRenderer

		releaseJob  bireljob.Job
		releaseJobs []bireljob.Job

		manifest  biinstallmanifest.Manifest
		fakeStage *fakebiui.FakeStage

		releasePackage1 *birelpkg.Package
		releasePackage2 *birelpkg.Package

		renderedJobList bitemplate.RenderedJobList
	)

	BeforeEach(func() {
		mockJobListRenderer = mock_template.NewMockJobListRenderer(mockCtrl)
		fakeCompressor = fakeboshcmd.NewFakeCompressor()
		fakeBlobstore = fakeboshblob.NewFakeBlobstore()