Golang FileSystem.WriteFileString方法代碼示例

func describeDummyPlatform() {
	var (
		platform           Platform
		collector          boshstats.Collector
		fs                 boshsys.FileSystem
		cmdRunner          boshsys.CmdRunner
		dirProvider        boshdirs.Provider
		devicePathResolver boshdpresolv.DevicePathResolver
		logger             boshlog.Logger
	)

	BeforeEach(func() {
		collector = &fakestats.FakeCollector{}
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		dirProvider = boshdirs.NewProvider("/fake-dir")
		devicePathResolver = fakedpresolv.NewFakeDevicePathResolver()
		logger = boshlog.NewLogger(boshlog.LevelNone)
	})

	JustBeforeEach(func() {
		platform = NewDummyPlatform(
			collector,
			fs,
			cmdRunner,
			dirProvider,
			devicePathResolver,
			logger,
		)
	})

	Describe("GetDefaultNetwork", func() {
		It("returns the contents of dummy-defaults-network-settings.json since that's what the dummy cpi writes", func() {
			settingsFilePath := "/fake-dir/bosh/dummy-default-network-settings.json"
			fs.WriteFileString(settingsFilePath, `{"IP": "1.2.3.4"}`)

			network, err := platform.GetDefaultNetwork()
			Expect(err).NotTo(HaveOccurred())

			Expect(network.IP).To(Equal("1.2.3.4"))
		})
	})

	Describe("GetCertManager", func() {
		It("returs a dummy cert manager", func() {
			certManager := platform.GetCertManager()

			Expect(certManager.UpdateCertificates("")).Should(BeNil())
		})
	})
}

			Expect(cmdRunner.RunCommands[0]).To(Equal(
				[]string{
					"tar", "--same-owner",
					"-xzvf", tarballPath,
					"-C", dstDir,
				},
			))
		})
	})

	Describe("CleanUp", func() {
		It("removes tarball path", func() {
			fs := fakesys.NewFakeFileSystem()
			compressor := NewTarballCompressor(cmdRunner, fs)

			err := fs.WriteFileString("/fake-tarball.tar", "")
			Expect(err).ToNot(HaveOccurred())

			err = compressor.CleanUp("/fake-tarball.tar")
			Expect(err).ToNot(HaveOccurred())

			Expect(fs.FileExists("/fake-tarball.tar")).To(BeFalse())
		})

		It("returns error if removing tarball path fails", func() {
			fs := fakesys.NewFakeFileSystem()
			compressor := NewTarballCompressor(cmdRunner, fs)

			fs.RemoveAllError = errors.New("fake-remove-all-err")

			err := compressor.CleanUp("/fake-tarball.tar")

			BeforeEach(func() {
				fs = boshsys.NewOsFileSystem(logger)

				cmdRunner = boshsys.NewExecCmdRunner(logger)
				compressor = boshcmd.NewTarballCompressor(cmdRunner, fs)

				renderedJobListCompressor = NewRenderedJobListCompressor(fs, compressor, fakeSHA1Calculator, logger)
			})

			It("copies rendered jobs into a new temp dir, compresses the temp dir, and wraps it in a RenderedJobListArchive", func() {
				// create rendered job with 2 rendered scripts
				renderedJobDir0, err := fs.TempDir("RenderedJobListCompressorTest")
				Expect(err).ToNot(HaveOccurred())
				renderedJob0 := NewRenderedJob(bireljob.Job{Name: "fake-job-name-0"}, renderedJobDir0, fs, logger)
				defer func() { err := renderedJob0.Delete(); Expect(err).ToNot(HaveOccurred()) }()
				err = fs.WriteFileString(filepath.Join(renderedJobDir0, "script-0"), "fake-rendered-job-0-script-0-content")
				Expect(err).ToNot(HaveOccurred())
				err = fs.WriteFileString(filepath.Join(renderedJobDir0, "script-1"), "fake-rendered-job-0-script-1-content")
				Expect(err).ToNot(HaveOccurred())
				renderedJobList.Add(renderedJob0)

				// create another rendered job with 1 rendered script
				renderedJobDir1, err := fs.TempDir("RenderedJobListCompressorTest")
				Expect(err).ToNot(HaveOccurred())
				renderedJob1 := NewRenderedJob(bireljob.Job{Name: "fake-job-name-1"}, renderedJobDir1, fs, logger)
				defer func() { err := renderedJob1.Delete(); Expect(err).ToNot(HaveOccurred()) }()
				err = fs.WriteFileString(filepath.Join(renderedJobDir1, "script-0"), "fake-rendered-job-1-script-0-content")
				Expect(err).ToNot(HaveOccurred())
				renderedJobList.Add(renderedJob1)

				// compress

func GenerateDeploymentManifest(deploymentManifestFilePath string, fs boshsys.FileSystem, manifestContents string) error {
	return fs.WriteFileString(deploymentManifestFilePath, manifestContents)
}