Golang system.FileSystem類代碼示例

func createdTmpDir(t *testing.T, fs boshsys.FileSystem) (dstDir string) {
	dstDir = filepath.Join(os.TempDir(), "TestCompressor")
	err := fs.MkdirAll(dstDir, os.ModePerm)
	assert.NoError(t, err)

	return
}

func NewConfigFromPath(path string, fs boshsys.FileSystem) (Config, error) {
	var config Config

	bytes, err := fs.ReadFile(path)
	if err != nil {
		return config, bosherr.WrapError(err, "Reading config %s", path)
	}

	config = DefaultWardenConfig

	err = json.Unmarshal(bytes, &config)
	if err != nil {
		return config, bosherr.WrapError(err, "Unmarshalling config")
	}

	if config.VMProvisioner.AgentProvisioner.Configuration == nil {
		config.VMProvisioner.AgentProvisioner.Configuration = DefaultWardenAgentConfiguration
	}

	err = config.validate()
	if err != nil {
		return config, bosherr.WrapError(err, "Validating config")
	}

	return config, nil
}

// NewManifestFromPath returns manifest read from the file system.
// Before returning manifest is syntactically validated.
func NewManifestFromPath(path string, fs boshsys.FileSystem) (Manifest, error) {
	bytes, err := fs.ReadFile(path)
	if err != nil {
		return Manifest{}, bosherr.WrapError(err, "Reading manifest %s", path)
	}

	return NewManifestFromBytes(bytes)
}

func LoadConfigFromPath(fs boshsys.FileSystem, path string) (Config, error) {
	var config Config

	if path == "" {
		return config, nil
	}

	bytes, err := fs.ReadFile(path)
	if err != nil {
		return config, bosherr.WrapError(err, "Reading file")
	}

	err = json.Unmarshal(bytes, &config)
	if err != nil {
		return config, bosherr.WrapError(err, "Loading file")
	}

	return config, nil
}

package devicepathresolver

import (
	"time"

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

	boshsys "bosh/system"
	fakesys "bosh/system/fakes"
)

var _ = Describe("Path Resolver", func() {
	var (
		fs       boshsys.FileSystem
		resolver DevicePathResolver
	)

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		resolver = NewAwsDevicePathResolver(time.Second, fs)
	})

	Context("When a matching /dev/xvdX device is found", func() {
		BeforeEach(func() {
			fs.WriteFile("/dev/xvda", []byte{})
			fs.WriteFile("/dev/vda", []byte{})
			fs.WriteFile("/dev/sda", []byte{})
		})

		It("returns the match", func() {

	"os"
	"path/filepath"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/stretchr/testify/assert"

	boshlog "bosh/logger"
	. "bosh/platform/commands"
	boshsys "bosh/system"
)

var _ = Describe("cpCopier", func() {
	var (
		fs        boshsys.FileSystem
		cmdRunner boshsys.CmdRunner
		cpCopier  Copier
	)

	BeforeEach(func() {
		logger := boshlog.NewLogger(boshlog.LevelNone)
		fs = boshsys.NewOsFileSystem(logger)
		cmdRunner = boshsys.NewExecCmdRunner(logger)
		cpCopier = NewCpCopier(cmdRunner, fs, logger)
	})

	Describe("FilteredCopyToTemp", func() {
		copierFixtureSrcDir := func() string {
			pwd, err := os.Getwd()
			Expect(err).ToNot(HaveOccurred())
			return filepath.Join(pwd, "..", "..", "..", "..", "fixtures", "test_filtered_copy_to_temp")