package mountlib_test import (	"context"	"io/ioutil"	"os"	"path/filepath"	"runtime"	"testing"	"time" 	_ "github.com/rclone/rclone/backend/local"	_ "github.com/rclone/rclone/cmd/cmount"	_ "github.com/rclone/rclone/cmd/mount"	_ "github.com/rclone/rclone/cmd/mount2"	"github.com/rclone/rclone/fs/config/configfile"	"github.com/rclone/rclone/fs/rc"	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") func TestRc(t *testing.T) {	ctx := context.Background()	configfile.LoadConfig(ctx)	mount := rc.Calls.Get("mount/mount")	assert.NotNil(t, mount)	unmount := rc.Calls.Get("mount/unmount")	assert.NotNil(t, unmount)	getMountTypes := rc.Calls.Get("mount/types")	assert.NotNil(t, getMountTypes) 	localDir, err := ioutil.TempDir("", "rclone-mountlib-localDir")	require.NoError(t, err)	defer func() { _ = os.RemoveAll(localDir) }()	err = ioutil.WriteFile(filepath.Join(localDir, "file.txt"), []byte("hello"), 0666)	require.NoError(t, err) 	mountPoint, err := ioutil.TempDir("", "rclone-mountlib-mountPoint")	require.NoError(t, err)	if runtime.GOOS == "windows" {		// Windows requires the mount point not to exist		require.NoError(t, os.RemoveAll(mountPoint))	} else {		defer func() { _ = os.RemoveAll(mountPoint) }()	} 	out, err := getMountTypes.Fn(ctx, nil)	require.NoError(t, err)	var mountTypes []string 	err = out.GetStruct("mountTypes", &mountTypes)	require.NoError(t, err)	t.Logf("Mount types %v", mountTypes) 	t.Run("Errors", func(t *testing.T) {		_, err := mount.Fn(ctx, rc.Params{})		assert.Error(t, err) 		_, err = mount.Fn(ctx, rc.Params{"fs": "/tmp"})		assert.Error(t, err) 		_, err = mount.Fn(ctx, rc.Params{"mountPoint": "/tmp"})		assert.Error(t, err)	}) 	t.Run("Mount", func(t *testing.T) {		if len(mountTypes) == 0 {			t.Skip("Can't mount")		}		in := rc.Params{			"fs":         localDir,			"mountPoint": mountPoint,			"vfsOpt": rc.Params{				"FilePerms": 0400,			},		} 		// check file.txt is not there		filePath := filepath.Join(mountPoint, "file.txt")		_, err := os.Stat(filePath)		require.Error(t, err)		require.True(t, os.IsNotExist(err)) 		// mount		_, err = mount.Fn(ctx, in)		if err != nil {			t.Skipf("Mount failed - skipping test: %v", err)		} 		// check file.txt is there now		fi, err := os.Stat(filePath)		require.NoError(t, err)		assert.Equal(t, int64(5), fi.Size())		if runtime.GOOS == "linux" {			assert.Equal(t, os.FileMode(0400), fi.Mode())		} 		// FIXME the OS sometimes appears to be using the mount		// immediately after it appears so wait a moment		time.Sleep(100 * time.Millisecond) 		t.Run("Unmount", func(t *testing.T) {			_, err := unmount.Fn(ctx, in)			require.NoError(t, err)		})	})}