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filesystem.go
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filesystem.go
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package filesystem
import (
"os"
"path/filepath"
"time"
)
var Fs Filesystem = DefaultFs{}
// 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
}