a7a8372976
Previously only the fs being checked on gets passed to GetModifyWindow(). However, in most tests, the test files are generated in the local fs and transferred to the remote fs. So the local fs time precision has to be taken into account. This meant that on Windows the time tests failed because the local fs has a time precision of 100ns. Checking remote items uploaded from local fs on Windows also requires a modify window of 100ns.
421 lines
10 KiB
Go
421 lines
10 KiB
Go
// Test suite for vfs
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package vfs
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"os"
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"testing"
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"time"
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_ "github.com/rclone/rclone/backend/all" // import all the backends
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fstest"
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"github.com/rclone/rclone/vfs/vfscommon"
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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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// Some times used in the tests
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var (
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t1 = fstest.Time("2001-02-03T04:05:06.499999999Z")
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t2 = fstest.Time("2011-12-25T12:59:59.123456789Z")
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t3 = fstest.Time("2011-12-30T12:59:59.000000000Z")
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)
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// Constants uses in the tests
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const (
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writeBackDelay = 100 * time.Millisecond // A short writeback delay for testing
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waitForWritersDelay = 30 * time.Second // time to wait for existing writers
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)
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// TestMain drives the tests
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func TestMain(m *testing.M) {
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fstest.TestMain(m)
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}
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// Clean up a test VFS
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func cleanupVFS(t *testing.T, vfs *VFS) {
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vfs.WaitForWriters(waitForWritersDelay)
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err := vfs.CleanUp()
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require.NoError(t, err)
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vfs.Shutdown()
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}
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// Create a new VFS
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func newTestVFSOpt(t *testing.T, opt *vfscommon.Options) (r *fstest.Run, vfs *VFS, cleanup func()) {
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r = fstest.NewRun(t)
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vfs = New(r.Fremote, opt)
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cleanup = func() {
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cleanupVFS(t, vfs)
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r.Finalise()
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}
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return r, vfs, cleanup
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}
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// Create a new VFS with default options
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func newTestVFS(t *testing.T) (r *fstest.Run, vfs *VFS, cleanup func()) {
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return newTestVFSOpt(t, nil)
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}
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// Check baseHandle performs as advertised
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func TestVFSbaseHandle(t *testing.T) {
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fh := baseHandle{}
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err := fh.Chdir()
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assert.Equal(t, ENOSYS, err)
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err = fh.Chmod(0)
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assert.Equal(t, ENOSYS, err)
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err = fh.Chown(0, 0)
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assert.Equal(t, ENOSYS, err)
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err = fh.Close()
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assert.Equal(t, ENOSYS, err)
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fd := fh.Fd()
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assert.Equal(t, uintptr(0), fd)
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name := fh.Name()
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assert.Equal(t, "", name)
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_, err = fh.Read(nil)
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assert.Equal(t, ENOSYS, err)
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_, err = fh.ReadAt(nil, 0)
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assert.Equal(t, ENOSYS, err)
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_, err = fh.Readdir(0)
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assert.Equal(t, ENOSYS, err)
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_, err = fh.Readdirnames(0)
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assert.Equal(t, ENOSYS, err)
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_, err = fh.Seek(0, io.SeekStart)
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assert.Equal(t, ENOSYS, err)
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_, err = fh.Stat()
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assert.Equal(t, ENOSYS, err)
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err = fh.Sync()
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assert.Equal(t, nil, err)
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err = fh.Truncate(0)
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assert.Equal(t, ENOSYS, err)
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_, err = fh.Write(nil)
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assert.Equal(t, ENOSYS, err)
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_, err = fh.WriteAt(nil, 0)
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assert.Equal(t, ENOSYS, err)
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_, err = fh.WriteString("")
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assert.Equal(t, ENOSYS, err)
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err = fh.Flush()
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assert.Equal(t, ENOSYS, err)
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err = fh.Release()
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assert.Equal(t, ENOSYS, err)
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node := fh.Node()
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assert.Nil(t, node)
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}
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// TestNew sees if the New command works properly
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func TestVFSNew(t *testing.T) {
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// Check active cache has this many entries
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checkActiveCacheEntries := func(i int) {
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_, count := activeCacheEntries()
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assert.Equal(t, i, count)
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}
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checkActiveCacheEntries(0)
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r, vfs, cleanup := newTestVFS(t)
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// Check making a VFS with nil options
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var defaultOpt = vfscommon.DefaultOpt
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defaultOpt.DirPerms |= os.ModeDir
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assert.Equal(t, vfs.Opt, defaultOpt)
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assert.Equal(t, vfs.f, r.Fremote)
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checkActiveCacheEntries(1)
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// Check that we get the same VFS if we ask for it again with
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// the same options
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vfs2 := New(r.Fremote, nil)
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assert.Equal(t, fmt.Sprintf("%p", vfs), fmt.Sprintf("%p", vfs2))
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checkActiveCacheEntries(1)
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// Shut the new VFS down and check the cache still has stuff in
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vfs2.Shutdown()
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checkActiveCacheEntries(1)
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cleanup()
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checkActiveCacheEntries(0)
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}
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// TestNew sees if the New command works properly
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func TestVFSNewWithOpts(t *testing.T) {
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var opt = vfscommon.DefaultOpt
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opt.DirPerms = 0777
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opt.FilePerms = 0666
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opt.Umask = 0002
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_, vfs, cleanup := newTestVFSOpt(t, &opt)
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defer cleanup()
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assert.Equal(t, os.FileMode(0775)|os.ModeDir, vfs.Opt.DirPerms)
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assert.Equal(t, os.FileMode(0664), vfs.Opt.FilePerms)
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}
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// TestRoot checks root directory is present and correct
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func TestVFSRoot(t *testing.T) {
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_, vfs, cleanup := newTestVFS(t)
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defer cleanup()
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root, err := vfs.Root()
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require.NoError(t, err)
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assert.Equal(t, vfs.root, root)
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assert.True(t, root.IsDir())
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assert.Equal(t, vfs.Opt.DirPerms.Perm(), root.Mode().Perm())
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}
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func TestVFSStat(t *testing.T) {
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r, vfs, cleanup := newTestVFS(t)
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defer cleanup()
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file1 := r.WriteObject(context.Background(), "file1", "file1 contents", t1)
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file2 := r.WriteObject(context.Background(), "dir/file2", "file2 contents", t2)
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r.CheckRemoteItems(t, file1, file2)
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node, err := vfs.Stat("file1")
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require.NoError(t, err)
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assert.True(t, node.IsFile())
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assert.Equal(t, "file1", node.Name())
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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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assert.Equal(t, "dir", node.Name())
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node, err = vfs.Stat("dir/file2")
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require.NoError(t, err)
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assert.True(t, node.IsFile())
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assert.Equal(t, "file2", node.Name())
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_, err = vfs.Stat("not found")
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assert.Equal(t, os.ErrNotExist, err)
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_, err = vfs.Stat("dir/not found")
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assert.Equal(t, os.ErrNotExist, err)
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_, err = vfs.Stat("not found/not found")
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assert.Equal(t, os.ErrNotExist, err)
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_, err = vfs.Stat("file1/under a file")
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assert.Equal(t, os.ErrNotExist, err)
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}
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func TestVFSStatParent(t *testing.T) {
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r, vfs, cleanup := newTestVFS(t)
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defer cleanup()
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file1 := r.WriteObject(context.Background(), "file1", "file1 contents", t1)
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file2 := r.WriteObject(context.Background(), "dir/file2", "file2 contents", t2)
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r.CheckRemoteItems(t, file1, file2)
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node, leaf, err := vfs.StatParent("file1")
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require.NoError(t, err)
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assert.True(t, node.IsDir())
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assert.Equal(t, "/", node.Name())
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assert.Equal(t, "file1", leaf)
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node, leaf, err = vfs.StatParent("dir/file2")
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require.NoError(t, err)
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assert.True(t, node.IsDir())
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assert.Equal(t, "dir", node.Name())
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assert.Equal(t, "file2", leaf)
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node, leaf, err = vfs.StatParent("not found")
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require.NoError(t, err)
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assert.True(t, node.IsDir())
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assert.Equal(t, "/", node.Name())
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assert.Equal(t, "not found", leaf)
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_, _, err = vfs.StatParent("not found dir/not found")
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assert.Equal(t, os.ErrNotExist, err)
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_, _, err = vfs.StatParent("file1/under a file")
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assert.Equal(t, os.ErrExist, err)
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}
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func TestVFSOpenFile(t *testing.T) {
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r, vfs, cleanup := newTestVFS(t)
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defer cleanup()
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file1 := r.WriteObject(context.Background(), "file1", "file1 contents", t1)
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file2 := r.WriteObject(context.Background(), "dir/file2", "file2 contents", t2)
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r.CheckRemoteItems(t, file1, file2)
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fd, err := vfs.OpenFile("file1", os.O_RDONLY, 0777)
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require.NoError(t, err)
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assert.NotNil(t, fd)
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require.NoError(t, fd.Close())
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fd, err = vfs.OpenFile("dir", os.O_RDONLY, 0777)
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require.NoError(t, err)
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assert.NotNil(t, fd)
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require.NoError(t, fd.Close())
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fd, err = vfs.OpenFile("dir/new_file.txt", os.O_RDONLY, 0777)
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assert.Equal(t, os.ErrNotExist, err)
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assert.Nil(t, fd)
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fd, err = vfs.OpenFile("dir/new_file.txt", os.O_WRONLY|os.O_CREATE, 0777)
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require.NoError(t, err)
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assert.NotNil(t, fd)
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err = fd.Close()
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if !errors.Is(err, fs.ErrorCantUploadEmptyFiles) {
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require.NoError(t, err)
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}
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fd, err = vfs.OpenFile("not found/new_file.txt", os.O_WRONLY|os.O_CREATE, 0777)
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assert.Equal(t, os.ErrNotExist, err)
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assert.Nil(t, fd)
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}
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func TestVFSRename(t *testing.T) {
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r, vfs, cleanup := newTestVFS(t)
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defer cleanup()
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features := r.Fremote.Features()
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if features.Move == nil && features.Copy == nil {
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t.Skip("skip as can't rename files")
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}
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file1 := r.WriteObject(context.Background(), "dir/file2", "file2 contents", t2)
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r.CheckRemoteItems(t, file1)
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err := vfs.Rename("dir/file2", "dir/file1")
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require.NoError(t, err)
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file1.Path = "dir/file1"
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r.CheckRemoteItems(t, file1)
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err = vfs.Rename("dir/file1", "file0")
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require.NoError(t, err)
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file1.Path = "file0"
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r.CheckRemoteItems(t, file1)
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err = vfs.Rename("not found/file0", "file0")
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assert.Equal(t, os.ErrNotExist, err)
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err = vfs.Rename("file0", "not found/file0")
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assert.Equal(t, os.ErrNotExist, err)
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}
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func TestVFSStatfs(t *testing.T) {
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r, vfs, cleanup := newTestVFS(t)
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defer cleanup()
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// pre-conditions
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assert.Nil(t, vfs.usage)
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assert.True(t, vfs.usageTime.IsZero())
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aboutSupported := r.Fremote.Features().About != nil
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// read
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total, used, free := vfs.Statfs()
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if !aboutSupported {
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assert.Equal(t, int64(unknownFreeBytes), total)
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assert.Equal(t, int64(unknownFreeBytes), free)
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assert.Equal(t, int64(0), used)
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return // can't test anything else if About not supported
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}
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require.NotNil(t, vfs.usage)
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assert.False(t, vfs.usageTime.IsZero())
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if vfs.usage.Total != nil {
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assert.Equal(t, *vfs.usage.Total, total)
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} else {
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assert.True(t, total >= int64(unknownFreeBytes))
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}
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if vfs.usage.Free != nil {
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assert.Equal(t, *vfs.usage.Free, free)
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} else {
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if vfs.usage.Total != nil && vfs.usage.Used != nil {
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assert.Equal(t, free, total-used)
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} else {
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assert.True(t, free >= int64(unknownFreeBytes))
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}
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}
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if vfs.usage.Used != nil {
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assert.Equal(t, *vfs.usage.Used, used)
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} else {
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assert.Equal(t, int64(0), used)
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}
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// read cached
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oldUsage := vfs.usage
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oldTime := vfs.usageTime
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total2, used2, free2 := vfs.Statfs()
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assert.Equal(t, oldUsage, vfs.usage)
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assert.Equal(t, total, total2)
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assert.Equal(t, used, used2)
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assert.Equal(t, free, free2)
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assert.Equal(t, oldTime, vfs.usageTime)
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}
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func TestFillInMissingSizes(t *testing.T) {
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const unknownFree = 10
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for _, test := range []struct {
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total, free, used int64
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wantTotal, wantUsed, wantFree int64
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}{
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{
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total: 20, free: 5, used: 15,
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wantTotal: 20, wantFree: 5, wantUsed: 15,
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},
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{
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total: 20, free: 5, used: -1,
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wantTotal: 20, wantFree: 5, wantUsed: 15,
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},
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{
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total: 20, free: -1, used: 15,
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wantTotal: 20, wantFree: 5, wantUsed: 15,
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},
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{
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total: 20, free: -1, used: -1,
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wantTotal: 20, wantFree: 20, wantUsed: 0,
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},
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{
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total: -1, free: 5, used: 15,
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wantTotal: 20, wantFree: 5, wantUsed: 15,
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},
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{
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total: -1, free: 15, used: -1,
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wantTotal: 15, wantFree: 15, wantUsed: 0,
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},
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{
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total: -1, free: -1, used: 15,
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wantTotal: 25, wantFree: 10, wantUsed: 15,
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},
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{
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total: -1, free: -1, used: -1,
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wantTotal: 10, wantFree: 10, wantUsed: 0,
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},
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} {
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t.Run(fmt.Sprintf("total=%d,free=%d,used=%d", test.total, test.free, test.used), func(t *testing.T) {
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gotTotal, gotUsed, gotFree := fillInMissingSizes(test.total, test.used, test.free, unknownFree)
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assert.Equal(t, test.wantTotal, gotTotal, "total")
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assert.Equal(t, test.wantUsed, gotUsed, "used")
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assert.Equal(t, test.wantFree, gotFree, "free")
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})
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}
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}
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