mirror of https://github.com/rclone/rclone
395 lines
11 KiB
Go
395 lines
11 KiB
Go
package s3
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import (
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"bytes"
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"compress/gzip"
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"context"
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"crypto/md5"
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"fmt"
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"testing"
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"time"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/s3"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/hash"
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"github.com/rclone/rclone/fstest"
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"github.com/rclone/rclone/fstest/fstests"
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"github.com/rclone/rclone/lib/random"
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"github.com/rclone/rclone/lib/version"
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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 gz(t *testing.T, s string) string {
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var buf bytes.Buffer
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zw := gzip.NewWriter(&buf)
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_, err := zw.Write([]byte(s))
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require.NoError(t, err)
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err = zw.Close()
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require.NoError(t, err)
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return buf.String()
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}
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func md5sum(t *testing.T, s string) string {
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hash := md5.Sum([]byte(s))
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return fmt.Sprintf("%x", hash)
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}
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func (f *Fs) InternalTestMetadata(t *testing.T) {
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ctx := context.Background()
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original := random.String(1000)
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contents := gz(t, original)
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item := fstest.NewItem("test-metadata", contents, fstest.Time("2001-05-06T04:05:06.499999999Z"))
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btime := time.Now()
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metadata := fs.Metadata{
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"cache-control": "no-cache",
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"content-disposition": "inline",
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"content-encoding": "gzip",
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"content-language": "en-US",
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"content-type": "text/plain",
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"mtime": "2009-05-06T04:05:06.499999999Z",
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// "tier" - read only
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// "btime" - read only
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}
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obj := fstests.PutTestContentsMetadata(ctx, t, f, &item, contents, true, "text/html", metadata)
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defer func() {
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assert.NoError(t, obj.Remove(ctx))
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}()
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o := obj.(*Object)
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gotMetadata, err := o.Metadata(ctx)
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require.NoError(t, err)
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for k, v := range metadata {
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got := gotMetadata[k]
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switch k {
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case "mtime":
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assert.True(t, fstest.Time(v).Equal(fstest.Time(got)))
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case "btime":
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gotBtime := fstest.Time(got)
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dt := gotBtime.Sub(btime)
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assert.True(t, dt < time.Minute && dt > -time.Minute, fmt.Sprintf("btime more than 1 minute out want %v got %v delta %v", btime, gotBtime, dt))
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assert.True(t, fstest.Time(v).Equal(fstest.Time(got)))
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case "tier":
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assert.NotEqual(t, "", got)
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default:
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assert.Equal(t, v, got, k)
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}
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}
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t.Run("GzipEncoding", func(t *testing.T) {
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// Test that the gzipped file we uploaded can be
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// downloaded with and without decompression
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checkDownload := func(wantContents string, wantSize int64, wantHash string) {
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gotContents := fstests.ReadObject(ctx, t, o, -1)
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assert.Equal(t, wantContents, gotContents)
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assert.Equal(t, wantSize, o.Size())
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gotHash, err := o.Hash(ctx, hash.MD5)
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require.NoError(t, err)
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assert.Equal(t, wantHash, gotHash)
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}
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t.Run("NoDecompress", func(t *testing.T) {
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checkDownload(contents, int64(len(contents)), md5sum(t, contents))
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})
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t.Run("Decompress", func(t *testing.T) {
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f.opt.Decompress = true
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defer func() {
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f.opt.Decompress = false
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}()
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checkDownload(original, -1, "")
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})
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})
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}
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func (f *Fs) InternalTestNoHead(t *testing.T) {
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ctx := context.Background()
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// Set NoHead for this test
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f.opt.NoHead = true
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defer func() {
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f.opt.NoHead = false
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}()
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contents := random.String(1000)
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item := fstest.NewItem("test-no-head", contents, fstest.Time("2001-05-06T04:05:06.499999999Z"))
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obj := fstests.PutTestContents(ctx, t, f, &item, contents, true)
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defer func() {
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assert.NoError(t, obj.Remove(ctx))
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}()
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// PutTestcontents checks the received object
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}
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func TestVersionLess(t *testing.T) {
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key1 := "key1"
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key2 := "key2"
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t1 := fstest.Time("2022-01-21T12:00:00+01:00")
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t2 := fstest.Time("2022-01-21T12:00:01+01:00")
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for n, test := range []struct {
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a, b *s3.ObjectVersion
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want bool
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}{
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{a: nil, b: nil, want: true},
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{a: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, b: nil, want: false},
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{a: nil, b: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, want: true},
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{a: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, b: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, want: false},
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{a: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, b: &s3.ObjectVersion{Key: &key1, LastModified: &t2}, want: false},
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{a: &s3.ObjectVersion{Key: &key1, LastModified: &t2}, b: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, want: true},
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{a: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, b: &s3.ObjectVersion{Key: &key2, LastModified: &t1}, want: true},
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{a: &s3.ObjectVersion{Key: &key2, LastModified: &t1}, b: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, want: false},
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{a: &s3.ObjectVersion{Key: &key1, LastModified: &t1, IsLatest: aws.Bool(false)}, b: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, want: false},
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{a: &s3.ObjectVersion{Key: &key1, LastModified: &t1, IsLatest: aws.Bool(true)}, b: &s3.ObjectVersion{Key: &key1, LastModified: &t1}, want: true},
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{a: &s3.ObjectVersion{Key: &key1, LastModified: &t1, IsLatest: aws.Bool(false)}, b: &s3.ObjectVersion{Key: &key1, LastModified: &t1, IsLatest: aws.Bool(true)}, want: false},
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} {
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got := versionLess(test.a, test.b)
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assert.Equal(t, test.want, got, fmt.Sprintf("%d: %+v", n, test))
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}
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}
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func TestMergeDeleteMarkers(t *testing.T) {
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key1 := "key1"
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key2 := "key2"
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t1 := fstest.Time("2022-01-21T12:00:00+01:00")
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t2 := fstest.Time("2022-01-21T12:00:01+01:00")
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for n, test := range []struct {
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versions []*s3.ObjectVersion
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markers []*s3.DeleteMarkerEntry
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want []*s3.ObjectVersion
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}{
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{
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versions: []*s3.ObjectVersion{},
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markers: []*s3.DeleteMarkerEntry{},
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want: []*s3.ObjectVersion{},
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},
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{
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versions: []*s3.ObjectVersion{
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{
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Key: &key1,
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LastModified: &t1,
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},
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},
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markers: []*s3.DeleteMarkerEntry{},
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want: []*s3.ObjectVersion{
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{
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Key: &key1,
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LastModified: &t1,
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},
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},
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},
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{
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versions: []*s3.ObjectVersion{},
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markers: []*s3.DeleteMarkerEntry{
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{
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Key: &key1,
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LastModified: &t1,
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},
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},
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want: []*s3.ObjectVersion{
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{
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Key: &key1,
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LastModified: &t1,
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Size: isDeleteMarker,
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},
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},
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},
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{
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versions: []*s3.ObjectVersion{
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{
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Key: &key1,
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LastModified: &t2,
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},
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{
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Key: &key2,
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LastModified: &t2,
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},
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},
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markers: []*s3.DeleteMarkerEntry{
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{
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Key: &key1,
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LastModified: &t1,
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},
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},
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want: []*s3.ObjectVersion{
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{
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Key: &key1,
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LastModified: &t2,
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},
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{
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Key: &key1,
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LastModified: &t1,
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Size: isDeleteMarker,
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},
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{
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Key: &key2,
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LastModified: &t2,
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},
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},
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},
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} {
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got := mergeDeleteMarkers(test.versions, test.markers)
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assert.Equal(t, test.want, got, fmt.Sprintf("%d: %+v", n, test))
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}
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}
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func (f *Fs) InternalTestVersions(t *testing.T) {
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ctx := context.Background()
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// Enable versioning for this bucket during this test
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_, err := f.setGetVersioning(ctx, "Enabled")
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if err != nil {
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t.Skipf("Couldn't enable versioning: %v", err)
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}
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defer func() {
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// Disable versioning for this bucket
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_, err := f.setGetVersioning(ctx, "Suspended")
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assert.NoError(t, err)
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}()
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// Small pause to make the LastModified different since AWS
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// only seems to track them to 1 second granularity
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time.Sleep(2 * time.Second)
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// Create an object
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const fileName = "test-versions.txt"
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contents := random.String(100)
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item := fstest.NewItem(fileName, contents, fstest.Time("2001-05-06T04:05:06.499999999Z"))
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obj := fstests.PutTestContents(ctx, t, f, &item, contents, true)
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defer func() {
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assert.NoError(t, obj.Remove(ctx))
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}()
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// Small pause
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time.Sleep(2 * time.Second)
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// Remove it
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assert.NoError(t, obj.Remove(ctx))
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// Small pause to make the LastModified different since AWS only seems to track them to 1 second granularity
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time.Sleep(2 * time.Second)
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// And create it with different size and contents
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newContents := random.String(101)
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newItem := fstest.NewItem(fileName, newContents, fstest.Time("2002-05-06T04:05:06.499999999Z"))
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newObj := fstests.PutTestContents(ctx, t, f, &newItem, newContents, true)
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t.Run("Versions", func(t *testing.T) {
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// Set --s3-versions for this test
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f.opt.Versions = true
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defer func() {
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f.opt.Versions = false
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}()
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// Read the contents
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entries, err := f.List(ctx, "")
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require.NoError(t, err)
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tests := 0
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var fileNameVersion string
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for _, entry := range entries {
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remote := entry.Remote()
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if remote == fileName {
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t.Run("ReadCurrent", func(t *testing.T) {
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assert.Equal(t, newContents, fstests.ReadObject(ctx, t, entry.(fs.Object), -1))
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})
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tests++
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} else if versionTime, p := version.Remove(remote); !versionTime.IsZero() && p == fileName {
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t.Run("ReadVersion", func(t *testing.T) {
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assert.Equal(t, contents, fstests.ReadObject(ctx, t, entry.(fs.Object), -1))
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})
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assert.WithinDuration(t, obj.(*Object).lastModified, versionTime, time.Second, "object time must be with 1 second of version time")
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fileNameVersion = remote
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tests++
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}
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}
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assert.Equal(t, 2, tests, "object missing from listing")
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// Check we can read the object with a version suffix
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t.Run("NewObject", func(t *testing.T) {
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o, err := f.NewObject(ctx, fileNameVersion)
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require.NoError(t, err)
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require.NotNil(t, o)
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assert.Equal(t, int64(100), o.Size(), o.Remote())
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})
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})
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t.Run("VersionAt", func(t *testing.T) {
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// We set --s3-version-at for this test so make sure we reset it at the end
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defer func() {
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f.opt.VersionAt = fs.Time{}
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}()
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var (
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firstObjectTime = obj.(*Object).lastModified
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secondObjectTime = newObj.(*Object).lastModified
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)
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for _, test := range []struct {
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what string
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at time.Time
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want []fstest.Item
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wantErr error
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wantSize int64
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}{
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{
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what: "Before",
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at: firstObjectTime.Add(-time.Second),
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want: fstests.InternalTestFiles,
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wantErr: fs.ErrorObjectNotFound,
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},
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{
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what: "AfterOne",
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at: firstObjectTime.Add(time.Second),
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want: append([]fstest.Item{item}, fstests.InternalTestFiles...),
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wantSize: 100,
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},
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{
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what: "AfterDelete",
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at: secondObjectTime.Add(-time.Second),
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want: fstests.InternalTestFiles,
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wantErr: fs.ErrorObjectNotFound,
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},
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{
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what: "AfterTwo",
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at: secondObjectTime.Add(time.Second),
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want: append([]fstest.Item{newItem}, fstests.InternalTestFiles...),
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wantSize: 101,
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},
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} {
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t.Run(test.what, func(t *testing.T) {
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f.opt.VersionAt = fs.Time(test.at)
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t.Run("List", func(t *testing.T) {
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fstest.CheckListing(t, f, test.want)
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})
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t.Run("NewObject", func(t *testing.T) {
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gotObj, gotErr := f.NewObject(ctx, fileName)
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assert.Equal(t, test.wantErr, gotErr)
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if gotErr == nil {
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assert.Equal(t, test.wantSize, gotObj.Size())
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}
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})
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})
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}
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})
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t.Run("Cleanup", func(t *testing.T) {
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require.NoError(t, f.CleanUpHidden(ctx))
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items := append([]fstest.Item{newItem}, fstests.InternalTestFiles...)
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fstest.CheckListing(t, f, items)
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// Set --s3-versions for this test
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f.opt.Versions = true
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defer func() {
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f.opt.Versions = false
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}()
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fstest.CheckListing(t, f, items)
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})
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// Purge gets tested later
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}
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func (f *Fs) InternalTest(t *testing.T) {
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t.Run("Metadata", f.InternalTestMetadata)
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t.Run("NoHead", f.InternalTestNoHead)
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t.Run("Versions", f.InternalTestVersions)
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}
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var _ fstests.InternalTester = (*Fs)(nil)
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