461 lines
10 KiB
Go
461 lines
10 KiB
Go
package vfs
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import (
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"fmt"
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"os"
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"sort"
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"testing"
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"time"
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"github.com/ncw/rclone/fstest"
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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 dirCreate(t *testing.T, r *fstest.Run) (*VFS, *Dir, fstest.Item) {
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vfs := New(r.Fremote, nil)
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file1 := r.WriteObject("dir/file1", "file1 contents", t1)
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fstest.CheckItems(t, r.Fremote, file1)
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node, err := vfs.Stat("dir")
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require.NoError(t, err)
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require.True(t, node.IsDir())
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return vfs, node.(*Dir), file1
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}
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func TestDirMethods(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, _ := dirCreate(t, r)
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// String
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assert.Equal(t, "dir/", dir.String())
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assert.Equal(t, "<nil *Dir>", (*Dir)(nil).String())
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// IsDir
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assert.Equal(t, true, dir.IsDir())
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// IsFile
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assert.Equal(t, false, dir.IsFile())
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// Mode
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assert.Equal(t, vfs.Opt.DirPerms, dir.Mode())
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// Name
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assert.Equal(t, "dir", dir.Name())
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// Path
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assert.Equal(t, "dir", dir.Path())
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// Sys
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assert.Equal(t, nil, dir.Sys())
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// Inode
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assert.NotEqual(t, uint64(0), dir.Inode())
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// Node
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assert.Equal(t, dir, dir.Node())
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// ModTime
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assert.WithinDuration(t, t1, dir.ModTime(), 100*365*24*60*60*time.Second)
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// Size
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assert.Equal(t, int64(0), dir.Size())
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// Sync
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assert.NoError(t, dir.Sync())
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// DirEntry
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assert.Equal(t, dir.entry, dir.DirEntry())
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// VFS
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assert.Equal(t, vfs, dir.VFS())
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}
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func TestDirForgetAll(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, file1 := dirCreate(t, r)
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// Make sure / and dir are in cache
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_, err := vfs.Stat(file1.Path)
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require.NoError(t, err)
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root, err := vfs.Root()
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require.NoError(t, err)
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assert.Equal(t, 1, len(root.items))
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assert.Equal(t, 1, len(dir.items))
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dir.ForgetAll()
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assert.Equal(t, 1, len(root.items))
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assert.Equal(t, 0, len(dir.items))
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root.ForgetAll()
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assert.Equal(t, 0, len(root.items))
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assert.Equal(t, 0, len(dir.items))
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}
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func TestDirForgetPath(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, file1 := dirCreate(t, r)
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// Make sure / and dir are in cache
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_, err := vfs.Stat(file1.Path)
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require.NoError(t, err)
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root, err := vfs.Root()
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require.NoError(t, err)
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assert.Equal(t, 1, len(root.items))
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assert.Equal(t, 1, len(dir.items))
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root.ForgetPath("dir")
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assert.Equal(t, 1, len(root.items))
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assert.Equal(t, 0, len(dir.items))
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root.ForgetPath("not/in/cache")
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assert.Equal(t, 1, len(root.items))
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assert.Equal(t, 0, len(dir.items))
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}
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func TestDirWalk(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, _, file1 := dirCreate(t, r)
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file2 := r.WriteObject("fil/a/b/c", "super long file", t1)
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fstest.CheckItems(t, r.Fremote, file1, file2)
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root, err := vfs.Root()
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require.NoError(t, err)
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// Forget the cache since we put another object in
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root.ForgetAll()
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// Read the directories in
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_, err = vfs.Stat("dir")
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require.NoError(t, err)
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_, err = vfs.Stat("fil/a/b")
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require.NoError(t, err)
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fil, err := vfs.Stat("fil")
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require.NoError(t, err)
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var result []string
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fn := func(d *Dir) {
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result = append(result, d.path)
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}
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result = nil
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root.walk("", fn)
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sort.Strings(result) // sort as there is a map traversal involved
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assert.Equal(t, []string{"", "dir", "fil", "fil/a", "fil/a/b"}, result)
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result = nil
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root.walk("dir", fn)
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assert.Equal(t, []string{"dir"}, result)
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result = nil
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root.walk("not found", fn)
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assert.Equal(t, []string(nil), result)
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result = nil
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root.walk("fil", fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a", "fil"}, result)
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result = nil
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fil.(*Dir).walk("fil", fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a", "fil"}, result)
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result = nil
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root.walk("fil/a", fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a"}, result)
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result = nil
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fil.(*Dir).walk("fil/a", fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a"}, result)
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result = nil
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root.walk("fil/a", fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a"}, result)
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result = nil
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root.walk("fil/a/b", fn)
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assert.Equal(t, []string{"fil/a/b"}, result)
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}
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func TestDirSetModTime(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, _ := dirCreate(t, r)
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err := dir.SetModTime(t1)
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require.NoError(t, err)
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assert.WithinDuration(t, t1, dir.ModTime(), time.Second)
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err = dir.SetModTime(t2)
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require.NoError(t, err)
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assert.WithinDuration(t, t2, dir.ModTime(), time.Second)
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vfs.Opt.ReadOnly = true
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err = dir.SetModTime(t2)
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assert.Equal(t, EROFS, err)
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}
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func TestDirStat(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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_, dir, _ := dirCreate(t, r)
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node, err := dir.Stat("file1")
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require.NoError(t, err)
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_, ok := node.(*File)
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assert.True(t, ok)
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assert.Equal(t, int64(14), node.Size())
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assert.Equal(t, "file1", node.Name())
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node, err = dir.Stat("not found")
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assert.Equal(t, ENOENT, err)
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}
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// This lists dir and checks the listing is as expected
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func checkListing(t *testing.T, dir *Dir, want []string) {
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var got []string
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nodes, err := dir.ReadDirAll()
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require.NoError(t, err)
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for _, node := range nodes {
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got = append(got, fmt.Sprintf("%s,%d,%v", node.Name(), node.Size(), node.IsDir()))
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}
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assert.Equal(t, want, got)
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}
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func TestDirReadDirAll(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs := New(r.Fremote, nil)
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file1 := r.WriteObject("dir/file1", "file1 contents", t1)
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file2 := r.WriteObject("dir/file2", "file2- contents", t2)
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file3 := r.WriteObject("dir/subdir/file3", "file3-- contents", t3)
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fstest.CheckItems(t, r.Fremote, file1, file2, file3)
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node, err := vfs.Stat("dir")
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require.NoError(t, err)
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dir := node.(*Dir)
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checkListing(t, dir, []string{"file1,14,false", "file2,15,false", "subdir,0,true"})
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node, err = vfs.Stat("")
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require.NoError(t, err)
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dir = node.(*Dir)
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checkListing(t, dir, []string{"dir,0,true"})
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node, err = vfs.Stat("dir/subdir")
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require.NoError(t, err)
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dir = node.(*Dir)
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checkListing(t, dir, []string{"file3,16,false"})
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}
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func TestDirOpen(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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_, dir, _ := dirCreate(t, r)
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fd, err := dir.Open(os.O_RDONLY)
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require.NoError(t, err)
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_, ok := fd.(*DirHandle)
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assert.True(t, ok)
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require.NoError(t, fd.Close())
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fd, err = dir.Open(os.O_WRONLY)
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assert.Equal(t, EPERM, err)
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}
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func TestDirCreate(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, _ := dirCreate(t, r)
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file, err := dir.Create("potato", os.O_WRONLY|os.O_CREATE)
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require.NoError(t, err)
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assert.Equal(t, int64(0), file.Size())
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fd, err := file.Open(os.O_WRONLY | os.O_CREATE)
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require.NoError(t, err)
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// FIXME Note that this fails with the current implementation
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// until the file has been opened.
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// file2, err := vfs.Stat("dir/potato")
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// require.NoError(t, err)
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// assert.Equal(t, file, file2)
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n, err := fd.Write([]byte("hello"))
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require.NoError(t, err)
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assert.Equal(t, 5, n)
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require.NoError(t, fd.Close())
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file2, err := vfs.Stat("dir/potato")
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require.NoError(t, err)
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assert.Equal(t, int64(5), file2.Size())
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vfs.Opt.ReadOnly = true
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_, err = dir.Create("sausage", os.O_WRONLY|os.O_CREATE)
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assert.Equal(t, EROFS, err)
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}
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func TestDirMkdir(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, file1 := dirCreate(t, r)
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_, err := dir.Mkdir("file1")
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assert.Error(t, err)
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sub, err := dir.Mkdir("sub")
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assert.NoError(t, err)
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// check the vfs
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checkListing(t, dir, []string{"file1,14,false", "sub,0,true"})
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checkListing(t, sub, []string(nil))
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// check the underlying r.Fremote
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fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1}, []string{"dir", "dir/sub"}, r.Fremote.Precision())
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vfs.Opt.ReadOnly = true
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_, err = dir.Mkdir("sausage")
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assert.Equal(t, EROFS, err)
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}
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func TestDirRemove(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, _ := dirCreate(t, r)
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// check directory is there
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node, err := vfs.Stat("dir")
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require.NoError(t, err)
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assert.True(t, node.IsDir())
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err = dir.Remove()
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assert.Equal(t, ENOTEMPTY, err)
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// Delete the sub file
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node, err = vfs.Stat("dir/file1")
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require.NoError(t, err)
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err = node.Remove()
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require.NoError(t, err)
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// Remove the now empty directory
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err = dir.Remove()
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require.NoError(t, err)
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// check directory is not there
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node, err = vfs.Stat("dir")
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assert.Equal(t, ENOENT, err)
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// check the vfs
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root, err := vfs.Root()
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require.NoError(t, err)
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checkListing(t, root, []string(nil))
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// check the underlying r.Fremote
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fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{}, []string{}, r.Fremote.Precision())
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// read only check
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vfs.Opt.ReadOnly = true
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err = dir.Remove()
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assert.Equal(t, EROFS, err)
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}
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func TestDirRemoveAll(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, _ := dirCreate(t, r)
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// Remove the directory and contents
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err := dir.RemoveAll()
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require.NoError(t, err)
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// check the vfs
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root, err := vfs.Root()
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require.NoError(t, err)
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checkListing(t, root, []string(nil))
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// check the underlying r.Fremote
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fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{}, []string{}, r.Fremote.Precision())
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// read only check
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vfs.Opt.ReadOnly = true
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err = dir.RemoveAll()
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assert.Equal(t, EROFS, err)
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}
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func TestDirRemoveName(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, _ := dirCreate(t, r)
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err := dir.RemoveName("file1")
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require.NoError(t, err)
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checkListing(t, dir, []string(nil))
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root, err := vfs.Root()
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require.NoError(t, err)
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checkListing(t, root, []string{"dir,0,true"})
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// check the underlying r.Fremote
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fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{}, []string{"dir"}, r.Fremote.Precision())
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// read only check
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vfs.Opt.ReadOnly = true
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err = dir.RemoveName("potato")
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assert.Equal(t, EROFS, err)
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}
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func TestDirRename(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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vfs, dir, file1 := dirCreate(t, r)
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root, err := vfs.Root()
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require.NoError(t, err)
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err = dir.Rename("not found", "tuba", dir)
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assert.Equal(t, ENOENT, err)
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// Rename a directory
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err = root.Rename("dir", "dir2", root)
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assert.NoError(t, err)
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checkListing(t, root, []string{"dir2,0,true"})
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checkListing(t, dir, []string{"file1,14,false"})
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// check the underlying r.Fremote
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file1.Path = "dir2/file1"
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fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1}, []string{"dir2"}, r.Fremote.Precision())
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// refetch dir
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node, err := vfs.Stat("dir2")
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assert.NoError(t, err)
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dir = node.(*Dir)
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// Rename a file
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err = dir.Rename("file1", "file2", root)
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assert.NoError(t, err)
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checkListing(t, root, []string{"dir2,0,true", "file2,14,false"})
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checkListing(t, dir, []string(nil))
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// check the underlying r.Fremote
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file1.Path = "file2"
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fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1}, []string{"dir2"}, r.Fremote.Precision())
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// read only check
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vfs.Opt.ReadOnly = true
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err = dir.Rename("potato", "tuba", dir)
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assert.Equal(t, EROFS, err)
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}
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