Golang fs.Purge函數代碼示例

// RandomRemote makes a random bucket or subdirectory on the remote
//
// Call the finalise function returned to Purge the fs at the end (and
// the parent if necessary)
func RandomRemote(remoteName string, subdir bool) (fs.Fs, func(), error) {
	var err error
	var parentRemote fs.Fs

	remoteName, _, err = RandomRemoteName(remoteName)
	if err != nil {
		return nil, nil, err
	}

	if subdir {
		parentRemote, err = fs.NewFs(remoteName)
		if err != nil {
			return nil, nil, err
		}
		remoteName += "/rclone-test-subdir-" + RandomString(8)
	}

	remote, err := fs.NewFs(remoteName)
	if err != nil {
		return nil, nil, err
	}

	finalise := func() {
		_ = fs.Purge(remote) // ignore error
		if parentRemote != nil {
			err = fs.Purge(parentRemote) // ignore error
			if err != nil {
				log.Printf("Failed to purge %v: %v", parentRemote, err)
			}
		}
	}

	return remote, finalise, nil
}

// TestPurge tests Purge works
func TestPurge(t *testing.T, remote fs.Fs) {
	err := fs.Purge(remote)
	if err != nil {
		t.Fatalf("Purge failed: %v", err)
	}
	CheckListing(t, remote, []Item{})
}

func TestObjectPurge(t *testing.T) {
	skipIfNotOk(t)
	fstest.TestPurge(t, remote)
	err := fs.Purge(remote)
	if err == nil {
		t.Fatal("Expecting error after on second purge")
	}
}

// Test a server side move if possible, or the backup path if not
func testServerSideMove(t *testing.T, r *Run, fremoteMove fs.Fs, withFilter bool) {
	file1 := r.WriteBoth("potato2", "------------------------------------------------------------", t1)
	file2 := r.WriteBoth("empty space", "", t2)
	file3u := r.WriteBoth("potato3", "------------------------------------------------------------ UPDATED", t2)

	fstest.CheckItems(t, r.fremote, file2, file1, file3u)

	t.Logf("Server side move (if possible) %v -> %v", r.fremote, fremoteMove)

	// Write just one file in the new remote
	r.WriteObjectTo(fremoteMove, "empty space", "", t2, false)
	file3 := r.WriteObjectTo(fremoteMove, "potato3", "------------------------------------------------------------", t1, false)
	fstest.CheckItems(t, fremoteMove, file2, file3)

	// Do server side move
	fs.Stats.ResetCounters()
	err := fs.MoveDir(fremoteMove, r.fremote)
	require.NoError(t, err)

	if withFilter {
		fstest.CheckItems(t, r.fremote, file2)
	} else {
		fstest.CheckItems(t, r.fremote)
	}
	fstest.CheckItems(t, fremoteMove, file2, file1, file3u)

	// Purge the original before moving
	require.NoError(t, fs.Purge(r.fremote))

	// Move it back again, dst does not exist this time
	fs.Stats.ResetCounters()
	err = fs.MoveDir(r.fremote, fremoteMove)
	require.NoError(t, err)

	if withFilter {
		fstest.CheckItems(t, r.fremote, file1, file3u)
		fstest.CheckItems(t, fremoteMove, file2)
	} else {
		fstest.CheckItems(t, r.fremote, file2, file1, file3u)
		fstest.CheckItems(t, fremoteMove)
	}
}

// cleanFs runs a single clean fs for left over directories
func (t *test) cleanFs() error {
	f, err := fs.NewFs(t.remote)
	if err != nil {
		return err
	}
	for dir := range f.ListDir() {
		if fstest.MatchTestRemote.MatchString(dir.Name) {
			log.Printf("Purging %s%s", t.remote, dir.Name)
			dir, err := fs.NewFs(t.remote + dir.Name)
			if err != nil {
				return err
			}
			err = fs.Purge(dir)
			if err != nil {
				return err
			}
		}
	}
	return nil
}

// cleanFs runs a single clean fs for left over directories
func (t *test) cleanFs() error {
	f, err := fs.NewFs(t.remote)
	if err != nil {
		return err
	}
	dirs, err := fs.NewLister().SetLevel(1).Start(f, "").GetDirs()
	for _, dir := range dirs {
		if fstest.MatchTestRemote.MatchString(dir.Name) {
			log.Printf("Purging %s%s", t.remote, dir.Name)
			dir, err := fs.NewFs(t.remote + dir.Name)
			if err != nil {
				return err
			}
			err = fs.Purge(dir)
			if err != nil {
				return err
			}
		}
	}
	return nil
}

// cleanFs runs a single clean fs for left over directories
func (t *test) cleanFs() error {
	f, err := fs.NewFs(t.remote)
	if err != nil {
		return err
	}
	for dir := range f.ListDir() {
		insideDigits := len(findInteriorDigits.FindAllString(dir.Name, -1))
		if matchTestRemote.MatchString(dir.Name) && insideDigits >= 2 {
			log.Printf("Purging %s%s", t.remote, dir.Name)
			dir, err := fs.NewFs(t.remote + dir.Name)
			if err != nil {
				return err
			}
			err = fs.Purge(dir)
			if err != nil {
				return err
			}
		}
	}
	return nil
}

// TestObjectPurge tests Purge
func TestObjectPurge(t *testing.T) {
	skipIfNotOk(t)
	fstest.TestPurge(t, remote)
	err := fs.Purge(remote)
	assert.Error(t, err, "Expecting error after on second purge")
}

        Remove the path.  Note that you can't remove a path with
        objects in it, use purge for that.`,
		Run: func(fdst, fsrc fs.Fs) error {
			return fs.Rmdir(fdst)
		},
		MinArgs: 1,
		MaxArgs: 1,
		Retry:   true,
	},
	{
		Name:     "purge",
		ArgsHelp: "remote:path",
		Help: `
        Remove the path and all of its contents.`,
		Run: func(fdst, fsrc fs.Fs) error {
			return fs.Purge(fdst)
		},
		MinArgs: 1,
		MaxArgs: 1,
		Retry:   true,
	},
	{
		Name:     "check",
		ArgsHelp: "source:path dest:path",
		Help: `
        Checks the files in the source and destination match.  It
        compares sizes and MD5SUMs and prints a report of files which
        don't match.  It doesn't alter the source or destination.`,
		Run: func(fdst, fsrc fs.Fs) error {
			return fs.Check(fdst, fsrc)
		},

// TestPurge tests Purge works
func TestPurge(t *testing.T, remote fs.Fs) {
	err := fs.Purge(remote)
	require.NoError(t, err)
	CheckListing(t, remote, []Item{})
}

		Run: func(fdst, fsrc fs.Fs) {
			err := fs.Rmdir(fdst)
			if err != nil {
				log.Fatalf("Failed to rmdir: %v", err)
			}
		},
		MinArgs: 1,
		MaxArgs: 1,
	},
	{
		Name:     "purge",
		ArgsHelp: "remote:path",
		Help: `
        Remove the path and all of its contents.`,
		Run: func(fdst, fsrc fs.Fs) {
			err := fs.Purge(fdst)
			if err != nil {
				log.Fatalf("Failed to purge: %v", err)
			}
		},
		MinArgs: 1,
		MaxArgs: 1,
	},
	{
		Name:     "check",
		ArgsHelp: "source:path dest:path",
		Help: `
        Checks the files in the source and destination match.  It
        compares sizes and MD5SUMs and prints a report of files which
        don't match.  It doesn't alter the source or destination.`,
		Run: func(fdst, fsrc fs.Fs) {