text: /*
  Copyright 2017 The Kubernetes Authors.
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  */
  
  package filesystem
  
  import (
  	"os"
  	"path/filepath"
  	"time"
  )
  
  // Filesystem is an interface that we can use to mock various filesystem operations
  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
  }
  
  // File is an interface that we can use to mock various filesystem operations typically
  // accessed through the File object from the "os" package
  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
  }
  