Golang FakeCompressor.DecompressFileToDirCallBack方法代码示例

//.........这里部分代码省略.........
					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"

					var installedBeforeDecompression bool

					compressor.DecompressFileToDirCallBack = func() {
						installedBeforeDecompression = bundle.Installed
					}

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

					// bundle installation did not happen before decompression
					Expect(installedBeforeDecompression).To(BeFalse())

					// make sure that bundle install happened after decompression
					Expect(bundle.InstallSourcePath).To(Equal("/fake-tmp-dir"))
				})
			}

			Describe("Prepare", func() {
				act := func() error { return applier.Prepare(pkg) }

				It("return an error if getting file bundle fails", func() {
					packagesBc.GetErr = errors.New("fake-get-bundle-error")

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

				It("returns an error if checking for package installation fails", func() {
					bundle.IsInstalledErr = errors.New("fake-is-installed-error")

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

//.........这里部分代码省略.........
			})

			It("installs, enables and later cleans up bundle", func() {
				_, _, err := compiler.Compile(pkg, pkgDeps)
				Expect(err).ToNot(HaveOccurred())
				Expect(bundle.ActionsCalled).To(Equal([]string{
					"InstallWithoutContents",
					"Enable",
					"Disable",
					"Uninstall",
				}))
			})

			It("returns an error if removing the compile directory fails", func() {
				callCount := 0
				fs.RemoveAllStub = func(path string) error {
					if path == "/fake-compile-dir/pkg_name" {
						callCount++
						if callCount > 1 {
							return errors.New("fake-remove-error")
						}
					}
					return nil
				}

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

			Context("when packaging script exists", func() {
				const packagingScriptContents = "hi"
				BeforeEach(func() {
					compressor.DecompressFileToDirCallBack = func() {
						filename := "/fake-compile-dir/pkg_name/" + PackagingScriptName
						fs.WriteFileString(filename, packagingScriptContents)
					}
				})

				It("runs packaging script ", func() {
					_, _, err := compiler.Compile(pkg, pkgDeps)
					Expect(err).ToNot(HaveOccurred())

					expectedCmd := boshsys.Command{
						Env: map[string]string{
							"BOSH_COMPILE_TARGET":  "/fake-compile-dir/pkg_name",
							"BOSH_INSTALL_TARGET":  "/fake-dir/packages/pkg_name",
							"BOSH_PACKAGE_NAME":    "pkg_name",
							"BOSH_PACKAGE_VERSION": "pkg_version",
						},
						WorkingDir: "/fake-compile-dir/pkg_name",
					}

					cmd := runner.RunCommands[0]
					if runtime.GOOS == "windows" {
						expectedCmd.Name = "powershell"
						expectedCmd.Args = []string{"-command", fmt.Sprintf(`"iex (get-content -raw %s)"`, PackagingScriptName)}
					} else {
						expectedCmd.Name = "bash"
						expectedCmd.Args = []string{"-x", PackagingScriptName}
					}

					Expect(cmd).To(Equal(expectedCmd))
					Expect(len(runner.RunCommands)).To(Equal(1))
					Expect(runner.RunCommandJobName).To(Equal("compilation"))
					Expect(runner.RunCommandTaskName).To(Equal(PackagingScriptName))

//.........这里部分代码省略.........
					Expect(err).ToNot(HaveOccurred())
					Expect(blobstore.GetBlobIDs[0]).To(Equal("fake-blobstore-id"))
					Expect(blobstore.GetFingerprints[0]).To(Equal(boshcrypto.NewDigest("sha256", "fake-blob-sha256")))
				})

				It("returns error when given and unsupported fingerprint", func() {
					blobstore.GetFileName = "/fake-blobstore-file-name"
					job.Source.Sha1 = "unsupported:checksum"

					err := act()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("Parsing job blob digest"))
				})

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

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

				It("returns error when walking the tree of files fails", func() {
					fs.WalkErr = errors.New("fake-walk-error")

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

				It("installs bundle from decompressed tmp path of a job template", func() {
					var installedBeforeDecompression bool

					compressor.DecompressFileToDirCallBack = func() {
						installedBeforeDecompression = bundle.Installed
					}

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

					// bundle installation did not happen before decompression
					Expect(installedBeforeDecompression).To(BeFalse())

					// make sure that bundle install happened after decompression
					Expect(bundle.InstallSourcePath).To(Equal("/fake-tmp-dir/fake-path-in-archive"))
				})

				It("sets executable bit for the bin and config directories", func() {
					var binDirStats, configDirStats *fakesys.FakeFileStats
					compressor.DecompressFileToDirCallBack = func() {
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/bin/blarg", []byte{})
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/blarg.yml", []byte{})
					}

					bundle.InstallCallBack = func() {
						binDirStats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/bin")
						configDirStats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/config")
					}

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

					Expect(int(binDirStats.FileMode)).To(Equal(0755))
					Expect(int(configDirStats.FileMode)).To(Equal(0755))
				})