mirror of
https://github.com/rclone/rclone.git
synced 2024-11-22 14:51:48 +08:00
335 lines
7.5 KiB
Go
335 lines
7.5 KiB
Go
package vfs
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import (
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"context"
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"io/ioutil"
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"os"
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"testing"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/operations"
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"github.com/rclone/rclone/fstest"
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"github.com/rclone/rclone/fstest/mockfs"
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"github.com/rclone/rclone/fstest/mockobject"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func fileCreate(t *testing.T, r *fstest.Run, mode CacheMode) (*VFS, *File, fstest.Item) {
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opt := DefaultOpt
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opt.CacheMode = mode
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vfs := New(r.Fremote, &opt)
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file1 := r.WriteObject(context.Background(), "dir/file1", "file1 contents", t1)
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fstest.CheckItems(t, r.Fremote, file1)
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node, err := vfs.Stat("dir/file1")
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require.NoError(t, err)
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require.True(t, node.Mode().IsRegular())
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return vfs, node.(*File), file1
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}
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func TestFileMethods(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, file, _ := fileCreate(t, r, CacheModeOff)
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// String
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assert.Equal(t, "dir/file1", file.String())
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assert.Equal(t, "<nil *File>", (*File)(nil).String())
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// IsDir
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assert.Equal(t, false, file.IsDir())
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// IsFile
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assert.Equal(t, true, file.IsFile())
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// Mode
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assert.Equal(t, vfs.Opt.FilePerms, file.Mode())
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// Name
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assert.Equal(t, "file1", file.Name())
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// Path
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assert.Equal(t, "dir/file1", file.Path())
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// Sys
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assert.Equal(t, nil, file.Sys())
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// Inode
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assert.NotEqual(t, uint64(0), file.Inode())
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// Node
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assert.Equal(t, file, file.Node())
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// ModTime
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assert.WithinDuration(t, t1, file.ModTime(), r.Fremote.Precision())
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// Size
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assert.Equal(t, int64(14), file.Size())
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// Sync
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assert.NoError(t, file.Sync())
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// DirEntry
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assert.Equal(t, file.o, file.DirEntry())
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// Dir
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assert.Equal(t, file.d, file.Dir())
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// VFS
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assert.Equal(t, vfs, file.VFS())
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}
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func TestFileSetModTime(t *testing.T) {
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r := fstest.NewRun(t)
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if !canSetModTime(t, r) {
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return
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}
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defer r.Finalise()
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vfs, file, file1 := fileCreate(t, r, CacheModeOff)
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err := file.SetModTime(t2)
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require.NoError(t, err)
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file1.ModTime = t2
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fstest.CheckItems(t, r.Fremote, file1)
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vfs.Opt.ReadOnly = true
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err = file.SetModTime(t2)
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assert.Equal(t, EROFS, err)
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}
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func fileCheckContents(t *testing.T, file *File) {
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fd, err := file.Open(os.O_RDONLY)
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require.NoError(t, err)
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contents, err := ioutil.ReadAll(fd)
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require.NoError(t, err)
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assert.Equal(t, "file1 contents", string(contents))
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require.NoError(t, fd.Close())
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}
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func TestFileOpenRead(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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_, file, _ := fileCreate(t, r, CacheModeOff)
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fileCheckContents(t, file)
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}
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func TestFileOpenReadUnknownSize(t *testing.T) {
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var (
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contents = []byte("file contents")
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remote = "file.txt"
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ctx = context.Background()
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)
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// create a mock object which returns size -1
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o := mockobject.New(remote).WithContent(contents, mockobject.SeekModeNone)
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o.SetUnknownSize(true)
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assert.Equal(t, int64(-1), o.Size())
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// add it to a mock fs
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f := mockfs.NewFs("test", "root")
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f.AddObject(o)
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testObj, err := f.NewObject(ctx, remote)
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require.NoError(t, err)
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assert.Equal(t, int64(-1), testObj.Size())
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// create a VFS from that mockfs
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vfs := New(f, nil)
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// find the file
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node, err := vfs.Stat(remote)
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require.NoError(t, err)
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require.True(t, node.IsFile())
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file := node.(*File)
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// open it
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fd, err := file.openRead()
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require.NoError(t, err)
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assert.Equal(t, int64(0), fd.Size())
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// check the contents are not empty even though size is empty
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gotContents, err := ioutil.ReadAll(fd)
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require.NoError(t, err)
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assert.Equal(t, contents, gotContents)
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t.Logf("gotContents = %q", gotContents)
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// check that file size has been updated
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assert.Equal(t, int64(len(contents)), fd.Size())
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require.NoError(t, fd.Close())
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}
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func TestFileOpenWrite(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, file, _ := fileCreate(t, r, CacheModeOff)
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fd, err := file.openWrite(os.O_WRONLY | os.O_TRUNC)
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require.NoError(t, err)
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newContents := []byte("this is some new contents")
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n, err := fd.Write(newContents)
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require.NoError(t, err)
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assert.Equal(t, len(newContents), n)
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require.NoError(t, fd.Close())
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assert.Equal(t, int64(25), file.Size())
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vfs.Opt.ReadOnly = true
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_, err = file.openWrite(os.O_WRONLY | os.O_TRUNC)
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assert.Equal(t, EROFS, err)
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}
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func TestFileRemove(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, file, _ := fileCreate(t, r, CacheModeOff)
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err := file.Remove()
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require.NoError(t, err)
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fstest.CheckItems(t, r.Fremote)
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vfs.Opt.ReadOnly = true
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err = file.Remove()
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assert.Equal(t, EROFS, err)
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}
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func TestFileRemoveAll(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, file, _ := fileCreate(t, r, CacheModeOff)
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err := file.RemoveAll()
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require.NoError(t, err)
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fstest.CheckItems(t, r.Fremote)
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vfs.Opt.ReadOnly = true
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err = file.RemoveAll()
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assert.Equal(t, EROFS, err)
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}
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func TestFileOpen(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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_, file, _ := fileCreate(t, r, CacheModeOff)
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fd, err := file.Open(os.O_RDONLY)
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require.NoError(t, err)
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_, ok := fd.(*ReadFileHandle)
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assert.True(t, ok)
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require.NoError(t, fd.Close())
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fd, err = file.Open(os.O_WRONLY)
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assert.NoError(t, err)
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_, ok = fd.(*WriteFileHandle)
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assert.True(t, ok)
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require.NoError(t, fd.Close())
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fd, err = file.Open(os.O_RDWR)
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assert.NoError(t, err)
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_, ok = fd.(*WriteFileHandle)
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assert.True(t, ok)
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fd, err = file.Open(3)
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assert.Equal(t, EPERM, err)
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}
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func testFileRename(t *testing.T, mode CacheMode) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, file, item := fileCreate(t, r, mode)
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if !operations.CanServerSideMove(r.Fremote) {
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t.Skip("skip as can't rename files")
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}
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rootDir, err := vfs.Root()
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require.NoError(t, err)
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// check file in cache
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if mode != CacheModeOff {
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// read contents to get file in cache
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fileCheckContents(t, file)
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assert.True(t, vfs.cache.exists(item.Path))
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}
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dir := file.Dir()
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// start with "dir/file1"
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fstest.CheckItems(t, r.Fremote, item)
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// rename file to "newLeaf"
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err = dir.Rename("file1", "newLeaf", rootDir)
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require.NoError(t, err)
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item.Path = "newLeaf"
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fstest.CheckItems(t, r.Fremote, item)
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// check file in cache
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if mode != CacheModeOff {
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assert.True(t, vfs.cache.exists(item.Path))
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}
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// check file exists in the vfs layer at its new name
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_, err = vfs.Stat("newLeaf")
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require.NoError(t, err)
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// rename it back to "dir/file1"
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err = rootDir.Rename("newLeaf", "file1", dir)
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require.NoError(t, err)
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item.Path = "dir/file1"
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fstest.CheckItems(t, r.Fremote, item)
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// check file in cache
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if mode != CacheModeOff {
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assert.True(t, vfs.cache.exists(item.Path))
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}
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// now try renaming it with the file open
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// first open it and write to it but dont close it
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fd, err := file.Open(os.O_WRONLY | os.O_TRUNC)
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require.NoError(t, err)
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newContents := []byte("this is some new contents")
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_, err = fd.Write(newContents)
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require.NoError(t, err)
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// rename file to "newLeaf"
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err = dir.Rename("file1", "newLeaf", rootDir)
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require.NoError(t, err)
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newItem := fstest.NewItem("newLeaf", string(newContents), item.ModTime)
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// check file has been renamed immediately in the cache
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if mode != CacheModeOff {
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assert.True(t, vfs.cache.exists("newLeaf"))
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}
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// check file exists in the vfs layer at its new name
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_, err = vfs.Stat("newLeaf")
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require.NoError(t, err)
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// Close the file
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require.NoError(t, fd.Close())
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// Check file has now been renamed on the remote
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item.Path = "newLeaf"
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fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{newItem}, nil, fs.ModTimeNotSupported)
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}
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func TestFileRename(t *testing.T) {
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t.Run("CacheModeOff", func(t *testing.T) {
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testFileRename(t, CacheModeOff)
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})
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t.Run("CacheModeFull", func(t *testing.T) {
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testFileRename(t, CacheModeFull)
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})
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}
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