mirror of
https://github.com/rclone/rclone.git
synced 2024-11-07 17:14:44 +01:00
071c3f28e5
This isn't written back to the storage so might change on remount but makes the VFS just a little more POSIX compatible.
597 lines
16 KiB
Go
597 lines
16 KiB
Go
package vfs
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import (
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"context"
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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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"unsafe"
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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/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 *VFS, dir *Dir, item fstest.Item) {
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r, vfs = newTestVFS(t)
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file1 := r.WriteObject(context.Background(), "dir/file1", "file1 contents", t1)
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r.CheckRemoteItems(t, 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 r, vfs, node.(*Dir), file1
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}
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func TestDirMethods(t *testing.T) {
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_, vfs, dir, _ := dirCreate(t)
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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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// SetSys
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dir.SetSys(42)
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assert.Equal(t, 42, 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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_, vfs, dir, file1 := dirCreate(t)
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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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assert.False(t, root.read.IsZero())
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assert.False(t, dir.read.IsZero())
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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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assert.False(t, root.read.IsZero())
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assert.True(t, dir.read.IsZero())
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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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assert.True(t, root.read.IsZero())
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}
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func TestDirForgetPath(t *testing.T) {
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_, vfs, dir, file1 := dirCreate(t)
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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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assert.False(t, root.read.IsZero())
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assert.False(t, dir.read.IsZero())
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root.ForgetPath("dir/notfound", fs.EntryObject)
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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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assert.False(t, root.read.IsZero())
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assert.True(t, dir.read.IsZero())
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root.ForgetPath("dir", fs.EntryDirectory)
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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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assert.True(t, root.read.IsZero())
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root.ForgetPath("not/in/cache", fs.EntryDirectory)
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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, vfs, _, file1 := dirCreate(t)
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file2 := r.WriteObject(context.Background(), "fil/a/b/c", "super long file", t1)
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r.CheckRemoteItems(t, 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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assert.Nil(t, root.cachedDir("not found"))
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if dir := root.cachedDir("dir"); assert.NotNil(t, dir) {
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result = nil
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dir.walk(fn)
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assert.Equal(t, []string{"dir"}, result)
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}
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if dir := root.cachedDir("fil"); assert.NotNil(t, dir) {
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result = nil
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dir.walk(fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a", "fil"}, result)
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}
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if dir := fil.(*Dir); assert.NotNil(t, dir) {
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result = nil
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dir.walk(fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a", "fil"}, result)
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}
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if dir := root.cachedDir("fil/a"); assert.NotNil(t, dir) {
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result = nil
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dir.walk(fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a"}, result)
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}
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if dir := fil.(*Dir).cachedDir("a"); assert.NotNil(t, dir) {
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result = nil
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dir.walk(fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a"}, result)
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}
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if dir := root.cachedDir("fil/a"); assert.NotNil(t, dir) {
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result = nil
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dir.walk(fn)
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assert.Equal(t, []string{"fil/a/b", "fil/a"}, result)
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}
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if dir := root.cachedDir("fil/a/b"); assert.NotNil(t, dir) {
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result = nil
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dir.walk(fn)
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assert.Equal(t, []string{"fil/a/b"}, result)
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}
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}
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func TestDirSetModTime(t *testing.T) {
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_, vfs, dir, _ := dirCreate(t)
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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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_, _, dir, _ := dirCreate(t)
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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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_, 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, vfs := newTestVFS(t)
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file1 := r.WriteObject(context.Background(), "dir/file1", "file1 contents", t1)
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file2 := r.WriteObject(context.Background(), "dir/file2", "file2- contents", t2)
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file3 := r.WriteObject(context.Background(), "dir/subdir/file3", "file3-- contents", t3)
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r.CheckRemoteItems(t, 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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root := node.(*Dir)
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checkListing(t, root, []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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subdir := node.(*Dir)
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checkListing(t, subdir, []string{"file3,16,false"})
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t.Run("Virtual", func(t *testing.T) {
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// Add some virtual entries and check what happens
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dir.AddVirtual("virtualFile", 17, false)
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dir.AddVirtual("virtualDir", 0, true)
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// Remove some existing entries
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dir.DelVirtual("file2")
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dir.DelVirtual("subdir")
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checkListing(t, dir, []string{"file1,14,false", "virtualDir,0,true", "virtualFile,17,false"})
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// Now action the deletes and uploads
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_ = r.WriteObject(context.Background(), "dir/virtualFile", "virtualFile contents", t1)
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_ = r.WriteObject(context.Background(), "dir/virtualDir/testFile", "testFile contents", t1)
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o, err := r.Fremote.NewObject(context.Background(), "dir/file2")
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require.NoError(t, err)
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require.NoError(t, o.Remove(context.Background()))
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require.NoError(t, operations.Purge(context.Background(), r.Fremote, "dir/subdir"))
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// Force a directory reload...
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dir.invalidateDir("dir")
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checkListing(t, dir, []string{"file1,14,false", "virtualDir,0,true", "virtualFile,20,false"})
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// check no virtuals left
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dir.mu.Lock()
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assert.Nil(t, dir.virtual)
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dir.mu.Unlock()
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// Add some virtual entries and check what happens
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dir.AddVirtual("virtualFile2", 100, false)
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dir.AddVirtual("virtualDir2", 0, true)
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// Remove some existing entries
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dir.DelVirtual("file1")
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checkListing(t, dir, []string{"virtualDir,0,true", "virtualDir2,0,true", "virtualFile,20,false", "virtualFile2,100,false"})
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// Force a directory reload...
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dir.invalidateDir("dir")
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want := []string{"file1,14,false", "virtualDir,0,true", "virtualDir2,0,true", "virtualFile,20,false", "virtualFile2,100,false"}
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features := r.Fremote.Features()
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if features.CanHaveEmptyDirectories {
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// snip out virtualDir2 which will only be present if can't have empty dirs
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want = append(want[:2], want[3:]...)
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}
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checkListing(t, dir, want)
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// Check that forgetting the root doesn't invalidate the virtual entries
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root.ForgetAll()
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checkListing(t, dir, want)
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})
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}
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func TestDirOpen(t *testing.T) {
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_, _, dir, _ := dirCreate(t)
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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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_, 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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_, vfs, dir, _ := dirCreate(t)
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origModTime := dir.ModTime()
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time.Sleep(100 * time.Millisecond) // for low rez Windows timers
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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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assert.True(t, dir.ModTime().After(origModTime))
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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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// Try creating the file again - make sure we get the same file node
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file3, err := dir.Create("potato", os.O_RDWR|os.O_CREATE)
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require.NoError(t, err)
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assert.Equal(t, int64(5), file3.Size())
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assert.Equal(t, fmt.Sprintf("%p", file), fmt.Sprintf("%p", file3), "didn't return same node")
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// Test read only fs creating new
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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, vfs, dir, file1 := dirCreate(t)
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_, err := dir.Mkdir("file1")
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assert.Error(t, err)
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origModTime := dir.ModTime()
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time.Sleep(100 * time.Millisecond) // for low rez Windows timers
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sub, err := dir.Mkdir("sub")
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assert.NoError(t, err)
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assert.True(t, dir.ModTime().After(origModTime))
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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 TestDirMkdirSub(t *testing.T) {
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r, vfs, dir, file1 := dirCreate(t)
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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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subsub, err := sub.Mkdir("subsub")
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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{"subsub,0,true"})
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checkListing(t, subsub, []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", "dir/sub/subsub"}, 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, vfs, dir, _ := dirCreate(t)
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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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_, 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, vfs, dir, _ := dirCreate(t)
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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) {
|
|
r, vfs, dir, _ := dirCreate(t)
|
|
|
|
origModTime := dir.ModTime()
|
|
time.Sleep(100 * time.Millisecond) // for low rez Windows timers
|
|
err := dir.RemoveName("file1")
|
|
require.NoError(t, err)
|
|
assert.True(t, dir.ModTime().After(origModTime))
|
|
checkListing(t, dir, []string(nil))
|
|
root, err := vfs.Root()
|
|
require.NoError(t, err)
|
|
checkListing(t, root, []string{"dir,0,true"})
|
|
|
|
// check the underlying r.Fremote
|
|
fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{}, []string{"dir"}, r.Fremote.Precision())
|
|
|
|
// read only check
|
|
vfs.Opt.ReadOnly = true
|
|
err = dir.RemoveName("potato")
|
|
assert.Equal(t, EROFS, err)
|
|
}
|
|
|
|
func TestDirRename(t *testing.T) {
|
|
r, vfs, dir, file1 := dirCreate(t)
|
|
|
|
features := r.Fremote.Features()
|
|
if features.DirMove == nil && features.Move == nil && features.Copy == nil {
|
|
t.Skip("can't rename directories")
|
|
}
|
|
|
|
file3 := r.WriteObject(context.Background(), "dir/file3", "file3 contents!", t1)
|
|
fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1, file3}, []string{"dir"}, r.Fremote.Precision())
|
|
|
|
root, err := vfs.Root()
|
|
require.NoError(t, err)
|
|
|
|
err = dir.Rename("not found", "tuba", dir)
|
|
assert.Equal(t, ENOENT, err)
|
|
|
|
// Rename a directory
|
|
err = root.Rename("dir", "dir2", root)
|
|
assert.NoError(t, err)
|
|
checkListing(t, root, []string{"dir2,0,true"})
|
|
checkListing(t, dir, []string{"file1,14,false", "file3,15,false"})
|
|
|
|
// check the underlying r.Fremote
|
|
file1.Path = "dir2/file1"
|
|
file3.Path = "dir2/file3"
|
|
fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1, file3}, []string{"dir2"}, r.Fremote.Precision())
|
|
|
|
// refetch dir
|
|
node, err := vfs.Stat("dir2")
|
|
assert.NoError(t, err)
|
|
dir = node.(*Dir)
|
|
|
|
// Rename a file
|
|
origModTime := dir.ModTime()
|
|
time.Sleep(100 * time.Millisecond) // for low rez Windows timers
|
|
err = dir.Rename("file1", "file2", root)
|
|
assert.NoError(t, err)
|
|
assert.True(t, dir.ModTime().After(origModTime))
|
|
checkListing(t, root, []string{"dir2,0,true", "file2,14,false"})
|
|
checkListing(t, dir, []string{"file3,15,false"})
|
|
|
|
// check the underlying r.Fremote
|
|
file1.Path = "file2"
|
|
fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1, file3}, []string{"dir2"}, r.Fremote.Precision())
|
|
|
|
// Rename a file on top of another file
|
|
err = root.Rename("file2", "file3", dir)
|
|
assert.NoError(t, err)
|
|
checkListing(t, root, []string{"dir2,0,true"})
|
|
checkListing(t, dir, []string{"file3,14,false"})
|
|
|
|
// check the underlying r.Fremote
|
|
file1.Path = "dir2/file3"
|
|
fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1}, []string{"dir2"}, r.Fremote.Precision())
|
|
|
|
// rename an empty directory
|
|
_, err = root.Mkdir("empty directory")
|
|
assert.NoError(t, err)
|
|
checkListing(t, root, []string{
|
|
"dir2,0,true",
|
|
"empty directory,0,true",
|
|
})
|
|
err = root.Rename("empty directory", "renamed empty directory", root)
|
|
assert.NoError(t, err)
|
|
checkListing(t, root, []string{
|
|
"dir2,0,true",
|
|
"renamed empty directory,0,true",
|
|
})
|
|
// ...we don't check the underlying f.Fremote because on
|
|
// bucket-based remotes the directory won't be there
|
|
|
|
// read only check
|
|
vfs.Opt.ReadOnly = true
|
|
err = dir.Rename("potato", "tuba", dir)
|
|
assert.Equal(t, EROFS, err)
|
|
}
|
|
|
|
func TestDirStructSize(t *testing.T) {
|
|
t.Logf("Dir struct has size %d bytes", unsafe.Sizeof(Dir{}))
|
|
}
|