rclone/vfs/vfs_test.go

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// Test suite for vfs
package vfs
import (
"os"
"testing"
_ "github.com/ncw/rclone/fs/all" // import all the file systems
"github.com/ncw/rclone/fstest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// Some times used in the tests
var (
t1 = fstest.Time("2001-02-03T04:05:06.499999999Z")
t2 = fstest.Time("2011-12-25T12:59:59.123456789Z")
t3 = fstest.Time("2011-12-30T12:59:59.000000000Z")
)
// TestMain drives the tests
func TestMain(m *testing.M) {
fstest.TestMain(m)
}
// Check baseHandle performs as advertised
func TestVFSbaseHandle(t *testing.T) {
fh := baseHandle{}
err := fh.Chdir()
assert.Equal(t, ENOSYS, err)
err = fh.Chmod(0)
assert.Equal(t, ENOSYS, err)
err = fh.Chown(0, 0)
assert.Equal(t, ENOSYS, err)
err = fh.Close()
assert.Equal(t, ENOSYS, err)
fd := fh.Fd()
assert.Equal(t, uintptr(0), fd)
name := fh.Name()
assert.Equal(t, "", name)
_, err = fh.Read(nil)
assert.Equal(t, ENOSYS, err)
_, err = fh.ReadAt(nil, 0)
assert.Equal(t, ENOSYS, err)
_, err = fh.Readdir(0)
assert.Equal(t, ENOSYS, err)
_, err = fh.Readdirnames(0)
assert.Equal(t, ENOSYS, err)
_, err = fh.Seek(0, 0)
assert.Equal(t, ENOSYS, err)
_, err = fh.Stat()
assert.Equal(t, ENOSYS, err)
err = fh.Sync()
assert.Equal(t, nil, err)
err = fh.Truncate(0)
assert.Equal(t, ENOSYS, err)
_, err = fh.Write(nil)
assert.Equal(t, ENOSYS, err)
_, err = fh.WriteAt(nil, 0)
assert.Equal(t, ENOSYS, err)
_, err = fh.WriteString("")
assert.Equal(t, ENOSYS, err)
err = fh.Flush()
assert.Equal(t, ENOSYS, err)
err = fh.Release()
assert.Equal(t, ENOSYS, err)
node := fh.Node()
assert.Nil(t, node)
}
// TestNew sees if the New command works properly
func TestVFSNew(t *testing.T) {
r := fstest.NewRun(t)
defer r.Finalise()
// Check making a VFS with nil options
vfs := New(r.Fremote, nil)
assert.Equal(t, vfs.Opt, DefaultOpt)
assert.Equal(t, vfs.f, r.Fremote)
// Check the initialisation
var opt = DefaultOpt
opt.DirPerms = 0777
opt.FilePerms = 0666
opt.Umask = 0002
vfs = New(r.Fremote, &opt)
assert.Equal(t, os.FileMode(0775)|os.ModeDir, vfs.Opt.DirPerms)
assert.Equal(t, os.FileMode(0664), vfs.Opt.FilePerms)
}
// TestRoot checks root directory is present and correct
func TestVFSRoot(t *testing.T) {
r := fstest.NewRun(t)
defer r.Finalise()
vfs := New(r.Fremote, nil)
root, err := vfs.Root()
require.NoError(t, err)
assert.Equal(t, vfs.root, root)
assert.True(t, root.IsDir())
assert.Equal(t, vfs.Opt.DirPerms.Perm(), root.Mode().Perm())
}
func TestVFSStat(t *testing.T) {
r := fstest.NewRun(t)
defer r.Finalise()
vfs := New(r.Fremote, nil)
file1 := r.WriteObject("file1", "file1 contents", t1)
file2 := r.WriteObject("dir/file2", "file2 contents", t2)
fstest.CheckItems(t, r.Fremote, file1, file2)
node, err := vfs.Stat("file1")
require.NoError(t, err)
assert.True(t, node.IsFile())
assert.Equal(t, "file1", node.Name())
node, err = vfs.Stat("dir")
require.NoError(t, err)
assert.True(t, node.IsDir())
assert.Equal(t, "dir", node.Name())
node, err = vfs.Stat("dir/file2")
require.NoError(t, err)
assert.True(t, node.IsFile())
assert.Equal(t, "file2", node.Name())
node, err = vfs.Stat("not found")
assert.Equal(t, os.ErrNotExist, err)
node, err = vfs.Stat("dir/not found")
assert.Equal(t, os.ErrNotExist, err)
node, err = vfs.Stat("not found/not found")
assert.Equal(t, os.ErrNotExist, err)
node, err = vfs.Stat("file1/under a file")
assert.Equal(t, os.ErrNotExist, err)
}
func TestVFSStatParent(t *testing.T) {
r := fstest.NewRun(t)
defer r.Finalise()
vfs := New(r.Fremote, nil)
file1 := r.WriteObject("file1", "file1 contents", t1)
file2 := r.WriteObject("dir/file2", "file2 contents", t2)
fstest.CheckItems(t, r.Fremote, file1, file2)
node, leaf, err := vfs.StatParent("file1")
require.NoError(t, err)
assert.True(t, node.IsDir())
assert.Equal(t, "/", node.Name())
assert.Equal(t, "file1", leaf)
node, leaf, err = vfs.StatParent("dir/file2")
require.NoError(t, err)
assert.True(t, node.IsDir())
assert.Equal(t, "dir", node.Name())
assert.Equal(t, "file2", leaf)
node, leaf, err = vfs.StatParent("not found")
require.NoError(t, err)
assert.True(t, node.IsDir())
assert.Equal(t, "/", node.Name())
assert.Equal(t, "not found", leaf)
node, leaf, err = vfs.StatParent("not found dir/not found")
assert.Equal(t, os.ErrNotExist, err)
node, leaf, err = vfs.StatParent("file1/under a file")
assert.Equal(t, os.ErrExist, err)
}
func TestVFSOpenFile(t *testing.T) {
r := fstest.NewRun(t)
defer r.Finalise()
vfs := New(r.Fremote, nil)
file1 := r.WriteObject("file1", "file1 contents", t1)
file2 := r.WriteObject("dir/file2", "file2 contents", t2)
fstest.CheckItems(t, r.Fremote, file1, file2)
fd, err := vfs.OpenFile("file1", os.O_RDONLY, 0777)
require.NoError(t, err)
assert.NotNil(t, fd)
require.NoError(t, fd.Close())
fd, err = vfs.OpenFile("dir", os.O_RDONLY, 0777)
require.NoError(t, err)
assert.NotNil(t, fd)
require.NoError(t, fd.Close())
fd, err = vfs.OpenFile("dir/new_file.txt", os.O_RDONLY, 0777)
assert.Equal(t, os.ErrNotExist, err)
assert.Nil(t, fd)
fd, err = vfs.OpenFile("dir/new_file.txt", os.O_WRONLY|os.O_CREATE, 0777)
require.NoError(t, err)
assert.NotNil(t, fd)
require.NoError(t, fd.Close())
fd, err = vfs.OpenFile("not found/new_file.txt", os.O_WRONLY|os.O_CREATE, 0777)
assert.Equal(t, os.ErrNotExist, err)
assert.Nil(t, fd)
}
func TestVFSRename(t *testing.T) {
r := fstest.NewRun(t)
defer r.Finalise()
vfs := New(r.Fremote, nil)
file1 := r.WriteObject("dir/file2", "file2 contents", t2)
fstest.CheckItems(t, r.Fremote, file1)
err := vfs.Rename("dir/file2", "dir/file1")
require.NoError(t, err)
file1.Path = "dir/file1"
fstest.CheckItems(t, r.Fremote, file1)
err = vfs.Rename("dir/file1", "file0")
require.NoError(t, err)
file1.Path = "file0"
fstest.CheckItems(t, r.Fremote, file1)
err = vfs.Rename("not found/file0", "file0")
assert.Equal(t, os.ErrNotExist, err)
err = vfs.Rename("file0", "not found/file0")
assert.Equal(t, os.ErrNotExist, err)
}