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package object_test
import (
"bytes"
"context"
"io"
"testing"
"time"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/hash"
"github.com/rclone/rclone/fs/object"
"github.com/stretchr/testify/assert"
)
func TestStaticObject(t *testing.T) {
now := time.Now()
remote := "path/to/object"
size := int64(1024)
o := object.NewStaticObjectInfo(remote, now, size, true, nil, object.MemoryFs)
assert.Equal(t, object.MemoryFs, o.Fs())
assert.Equal(t, remote, o.Remote())
assert.Equal(t, remote, o.String())
assert.Equal(t, now, o.ModTime(context.Background()))
assert.Equal(t, size, o.Size())
assert.Equal(t, true, o.Storable())
Hash, err := o.Hash(context.Background(), hash.MD5)
assert.NoError(t, err)
assert.Equal(t, "", Hash)
o = object.NewStaticObjectInfo(remote, now, size, true, nil, nil)
_, err = o.Hash(context.Background(), hash.MD5)
assert.Equal(t, hash.ErrUnsupported, err)
hs := map[hash.Type]string{
hash.MD5: "potato",
}
o = object.NewStaticObjectInfo(remote, now, size, true, hs, nil)
Hash, err = o.Hash(context.Background(), hash.MD5)
assert.NoError(t, err)
assert.Equal(t, "potato", Hash)
_, err = o.Hash(context.Background(), hash.SHA1)
assert.Equal(t, hash.ErrUnsupported, err)
}
func TestMemoryFs(t *testing.T) {
f := object.MemoryFs
assert.Equal(t, "memory", f.Name())
assert.Equal(t, "", f.Root())
assert.Equal(t, "memory", f.String())
assert.Equal(t, time.Nanosecond, f.Precision())
assert.Equal(t, hash.Supported(), f.Hashes())
assert.Equal(t, &fs.Features{}, f.Features())
entries, err := f.List(context.Background(), "")
assert.NoError(t, err)
assert.Nil(t, entries)
o, err := f.NewObject(context.Background(), "obj")
assert.Equal(t, fs.ErrorObjectNotFound, err)
assert.Nil(t, o)
buf := bytes.NewBufferString("potato")
now := time.Now()
src := object.NewStaticObjectInfo("remote", now, int64(buf.Len()), true, nil, nil)
o, err = f.Put(context.Background(), buf, src)
assert.NoError(t, err)
hash, err := o.Hash(context.Background(), hash.SHA1)
assert.NoError(t, err)
assert.Equal(t, "3e2e95f5ad970eadfa7e17eaf73da97024aa5359", hash)
err = f.Mkdir(context.Background(), "dir")
assert.Error(t, err)
err = f.Rmdir(context.Background(), "dir")
assert.Equal(t, fs.ErrorDirNotFound, err)
}
func TestMemoryObject(t *testing.T) {
remote := "path/to/object"
now := time.Now()
content := []byte("potatoXXXXXXXXXXXXX")
content = content[:6] // make some extra cap
o := object.NewMemoryObject(remote, now, content)
assert.Equal(t, content, o.Content())
assert.Equal(t, object.MemoryFs, o.Fs())
assert.Equal(t, remote, o.Remote())
assert.Equal(t, remote, o.String())
assert.Equal(t, now, o.ModTime(context.Background()))
assert.Equal(t, int64(len(content)), o.Size())
assert.Equal(t, true, o.Storable())
Hash, err := o.Hash(context.Background(), hash.MD5)
assert.NoError(t, err)
assert.Equal(t, "8ee2027983915ec78acc45027d874316", Hash)
Hash, err = o.Hash(context.Background(), hash.SHA1)
assert.NoError(t, err)
assert.Equal(t, "3e2e95f5ad970eadfa7e17eaf73da97024aa5359", Hash)
newNow := now.Add(time.Minute)
err = o.SetModTime(context.Background(), newNow)
assert.NoError(t, err)
assert.Equal(t, newNow, o.ModTime(context.Background()))
checkOpen := func(rc io.ReadCloser, expected string) {
actual, err := io.ReadAll(rc)
assert.NoError(t, err)
err = rc.Close()
assert.NoError(t, err)
assert.Equal(t, expected, string(actual))
}
checkContent := func(o fs.Object, expected string) {
rc, err := o.Open(context.Background())
assert.NoError(t, err)
checkOpen(rc, expected)
}
checkContent(o, string(content))
rc, err := o.Open(context.Background(), &fs.RangeOption{Start: 1, End: 3})
assert.NoError(t, err)
checkOpen(rc, "ot")
rc, err = o.Open(context.Background(), &fs.SeekOption{Offset: 3})
assert.NoError(t, err)
checkOpen(rc, "ato")
// check it fits within the buffer
newNow = now.Add(2 * time.Minute)
newContent := bytes.NewBufferString("Rutabaga")
assert.True(t, newContent.Len() < cap(content)) // fits within cap(content)
src := object.NewStaticObjectInfo(remote, newNow, int64(newContent.Len()), true, nil, nil)
err = o.Update(context.Background(), newContent, src)
assert.NoError(t, err)
checkContent(o, "Rutabaga")
assert.Equal(t, newNow, o.ModTime(context.Background()))
assert.Equal(t, "Rutaba", string(content)) // check we re-used the buffer
// not within the buffer
newStr := "0123456789"
newStr = newStr + newStr + newStr + newStr + newStr + newStr + newStr + newStr + newStr + newStr
newContent = bytes.NewBufferString(newStr)
assert.True(t, newContent.Len() > cap(content)) // does not fit within cap(content)
src = object.NewStaticObjectInfo(remote, newNow, int64(newContent.Len()), true, nil, nil)
err = o.Update(context.Background(), newContent, src)
assert.NoError(t, err)
checkContent(o, newStr)
assert.Equal(t, "Rutaba", string(content)) // check we didn't reuse the buffer
// now try streaming
newStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
newContent = bytes.NewBufferString(newStr)
src = object.NewStaticObjectInfo(remote, newNow, -1, true, nil, nil)
err = o.Update(context.Background(), newContent, src)
assert.NoError(t, err)
checkContent(o, newStr)
// and zero length
newStr = ""
newContent = bytes.NewBufferString(newStr)
src = object.NewStaticObjectInfo(remote, newNow, 0, true, nil, nil)
err = o.Update(context.Background(), newContent, src)
assert.NoError(t, err)
checkContent(o, newStr)
err = o.Remove(context.Background())
assert.Error(t, err)
}
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