filesystem

package
Version: v1.14.0 Latest Latest
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Published: Mar 21, 2019 License: Apache-2.0 Imports: 6 Imported by: 0

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Functions

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Types

type DefaultFs

type DefaultFs struct{}

DefaultFs implements Filesystem using same-named functions from "os" and "io/ioutil"

func (DefaultFs) Chtimes

func (DefaultFs) Chtimes(name string, atime time.Time, mtime time.Time) error

Chtimes via os.Chtimes

func (DefaultFs) Create

func (DefaultFs) Create(name string) (File, error)

Create via os.Create

func (DefaultFs) MkdirAll

func (DefaultFs) MkdirAll(path string, perm os.FileMode) error

MkdirAll via os.MkdirAll

func (DefaultFs) ReadDir

func (DefaultFs) ReadDir(dirname string) ([]os.FileInfo, error)

ReadDir via ioutil.ReadDir

func (DefaultFs) ReadFile

func (DefaultFs) ReadFile(filename string) ([]byte, error)

ReadFile via ioutil.ReadFile

func (DefaultFs) Remove added in v1.9.0

func (DefaultFs) Remove(name string) error

Remove via os.RemoveAll

func (DefaultFs) RemoveAll

func (DefaultFs) RemoveAll(path string) error

RemoveAll via os.RemoveAll

func (DefaultFs) Rename

func (DefaultFs) Rename(oldpath, newpath string) error

Rename via os.Rename

func (DefaultFs) Stat

func (DefaultFs) Stat(name string) (os.FileInfo, error)

Stat via os.Stat

func (DefaultFs) TempDir added in v1.11.0

func (DefaultFs) TempDir(dir, prefix string) (string, error)

TempDir via ioutil.TempDir

func (DefaultFs) TempFile

func (DefaultFs) TempFile(dir, prefix string) (File, error)

TempFile via ioutil.TempFile

func (DefaultFs) Walk

func (DefaultFs) Walk(root string, walkFn filepath.WalkFunc) error

Walk via filepath.Walk

type FSErrorHandler

type FSErrorHandler func(err error)

FSErrorHandler is called when a fsnotify error occurs.

type FSEventHandler

type FSEventHandler func(event fsnotify.Event)

FSEventHandler is called when a fsnotify event occurs.

type FSWatcher

type FSWatcher interface {
	// Initializes the watcher with the given watch handlers.
	// Called before all other methods.
	Init(FSEventHandler, FSErrorHandler) error

	// Starts listening for events and errors.
	// When an event or error occurs, the corresponding handler is called.
	Run()

	// Add a filesystem path to watch
	AddWatch(path string) error
}

FSWatcher is a callback-based filesystem watcher abstraction for fsnotify.

func NewFsnotifyWatcher

func NewFsnotifyWatcher() FSWatcher

NewFsnotifyWatcher returns an implementation of FSWatcher that continuously listens for fsnotify events and calls the event handler as soon as an event is received.

type File

type File interface {
	// for now, the only os.File methods used are those below, add more as necessary
	Name() string
	Write(b []byte) (n int, err error)
	Sync() error
	Close() error
}

File is an interface that we can use to mock various filesystem operations typically accessed through the File object from the "os" package

type Filesystem

type Filesystem interface {
	// from "os"
	Stat(name string) (os.FileInfo, error)
	Create(name string) (File, error)
	Rename(oldpath, newpath string) error
	MkdirAll(path string, perm os.FileMode) error
	Chtimes(name string, atime time.Time, mtime time.Time) error
	RemoveAll(path string) error
	Remove(name string) error

	// from "io/ioutil"
	ReadFile(filename string) ([]byte, error)
	TempDir(dir, prefix string) (string, error)
	TempFile(dir, prefix string) (File, error)
	ReadDir(dirname string) ([]os.FileInfo, error)
	Walk(root string, walkFn filepath.WalkFunc) error
}

Filesystem is an interface that we can use to mock various filesystem operations

func NewFakeFs

func NewFakeFs() Filesystem

NewFakeFs returns a fake Filesystem that exists in-memory, useful for unit tests

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