/
object_test.go
779 lines (612 loc) · 19.2 KB
/
object_test.go
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// Copyright 2022 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package test
import (
"bytes"
"crypto/rand"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"reflect"
"testing"
"time"
"github.com/nats-io/nats.go"
)
func TestObjectBasics(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
_, err := js.CreateObjectStore(nil)
expectErr(t, err, nats.ErrObjectConfigRequired)
_, err = js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "notok!", Description: "testing"})
expectErr(t, err, nats.ErrInvalidStoreName)
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "OBJS", Description: "testing"})
expectOk(t, err)
// Create ~16MB object.
blob := make([]byte, 16*1024*1024+22)
rand.Read(blob)
now := time.Now().UTC().Round(time.Second)
_, err = obs.PutBytes("BLOB", blob)
expectOk(t, err)
// Test info
info, err := obs.GetInfo("BLOB")
expectOk(t, err)
if len(info.NUID) == 0 {
t.Fatalf("Expected object to have a NUID")
}
if info.ModTime.IsZero() {
t.Fatalf("Expected object to have a non-zero ModTime")
}
if mt := info.ModTime.Round(time.Second); mt.Sub(now) != 0 && mt.Sub(now) != time.Second {
t.Fatalf("Expected ModTime to be about %v, got %v", now, mt)
}
// Make sure the stream is sealed.
err = obs.Seal()
expectOk(t, err)
si, err := js.StreamInfo("OBJ_OBJS")
expectOk(t, err)
if !si.Config.Sealed {
t.Fatalf("Expected the object stream to be sealed, got %+v", si)
}
status, err := obs.Status()
expectOk(t, err)
if !status.Sealed() {
t.Fatalf("exected sealed status")
}
if status.Size() == 0 {
t.Fatalf("size is 0")
}
if status.Storage() != nats.FileStorage {
t.Fatalf("stauts reports %d storage", status.Storage())
}
if status.Description() != "testing" {
t.Fatalf("invalid description: '%s'", status.Description())
}
// Now get the object back.
result, err := obs.Get("BLOB")
expectOk(t, err)
expectOk(t, result.Error())
defer result.Close()
// Check info.
info, err = result.Info()
expectOk(t, err)
if info.Size != uint64(len(blob)) {
t.Fatalf("Size does not match, %d vs %d", info.Size, len(blob))
}
// Check result.
copy, err := ioutil.ReadAll(result)
expectOk(t, err)
if !bytes.Equal(copy, blob) {
t.Fatalf("Result not the same")
}
// Check simple errors.
_, err = obs.Get("FOO")
expectErr(t, err, nats.ErrObjectNotFound)
_, err = obs.Get("")
expectErr(t, err, nats.ErrNameRequired)
_, err = obs.PutBytes("", blob)
expectErr(t, err, nats.ErrBadObjectMeta)
// Test delete.
err = js.DeleteObjectStore("OBJS")
expectOk(t, err)
_, err = obs.Get("BLOB")
expectErr(t, err, nats.ErrStreamNotFound)
}
func TestGetObjectDigestMismatch(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "FOO"})
expectOk(t, err)
_, err = obs.PutString("A", "abc")
expectOk(t, err)
res, err := obs.Get("A")
expectOk(t, err)
// first read should be successful
data, err := ioutil.ReadAll(res)
expectOk(t, err)
if string(data) != "abc" {
t.Fatalf("Expected result: 'abc'; got: %s", string(data))
}
info, err := obs.GetInfo("A")
expectOk(t, err)
// add new chunk after using Put(), this will change the digest hash on Get()
_, err = js.Publish(fmt.Sprintf("$O.FOO.C.%s", info.NUID), []byte("123"))
expectOk(t, err)
res, err = obs.Get("A")
expectOk(t, err)
_, err = ioutil.ReadAll(res)
expectErr(t, err, nats.ErrDigestMismatch)
expectErr(t, res.Error(), nats.ErrDigestMismatch)
}
func TestDefaultObjectStatus(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "OBJS", Description: "testing"})
expectOk(t, err)
blob := make([]byte, 1024*1024+22)
rand.Read(blob)
_, err = obs.PutBytes("BLOB", blob)
expectOk(t, err)
status, err := obs.Status()
expectOk(t, err)
if status.BackingStore() != "JetStream" {
t.Fatalf("invalid backing store kind: %s", status.BackingStore())
}
bs := status.(*nats.ObjectBucketStatus)
info := bs.StreamInfo()
if info.Config.Name != "OBJ_OBJS" {
t.Fatalf("invalid stream name %+v", info)
}
}
func TestObjectFileBasics(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "FILES"})
expectOk(t, err)
// Create ~8MB object.
blob := make([]byte, 8*1024*1024+33)
rand.Read(blob)
tmpFile, err := ioutil.TempFile("", "objfile")
expectOk(t, err)
defer os.Remove(tmpFile.Name()) // clean up
err = ioutil.WriteFile(tmpFile.Name(), blob, 0600)
expectOk(t, err)
_, err = obs.PutFile(tmpFile.Name())
expectOk(t, err)
tmpResult, err := ioutil.TempFile("", "objfileresult")
expectOk(t, err)
defer os.Remove(tmpResult.Name()) // clean up
err = obs.GetFile(tmpFile.Name(), tmpResult.Name())
expectOk(t, err)
// Make sure they are the same.
original, err := ioutil.ReadFile(tmpFile.Name())
expectOk(t, err)
restored, err := ioutil.ReadFile(tmpResult.Name())
expectOk(t, err)
if !bytes.Equal(original, restored) {
t.Fatalf("Files did not match")
}
}
func TestObjectMulti(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "TEST_FILES"})
expectOk(t, err)
numFiles := 0
fis, _ := ioutil.ReadDir(".")
for _, fi := range fis {
fn := fi.Name()
// Just grab clean test files.
if filepath.Ext(fn) != ".go" || fn[0] == '.' || fn[0] == '#' {
continue
}
_, err = obs.PutFile(fn)
expectOk(t, err)
numFiles++
}
expectOk(t, obs.Seal())
_, err = js.StreamInfo("OBJ_TEST_FILES")
expectOk(t, err)
result, err := obs.Get("object_test.go")
expectOk(t, err)
expectOk(t, result.Error())
defer result.Close()
_, err = result.Info()
expectOk(t, err)
copy, err := ioutil.ReadAll(result)
expectOk(t, err)
orig, err := ioutil.ReadFile(path.Join(".", "object_test.go"))
expectOk(t, err)
if !bytes.Equal(orig, copy) {
t.Fatalf("Files did not match")
}
}
func TestObjectDeleteMarkers(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "OBJS"})
expectOk(t, err)
msg := bytes.Repeat([]byte("A"), 100)
_, err = obs.PutBytes("A", msg)
expectOk(t, err)
err = obs.Delete("A")
expectOk(t, err)
si, err := js.StreamInfo("OBJ_OBJS")
expectOk(t, err)
// We should have one message left, the "delete" marker.
if si.State.Msgs != 1 {
t.Fatalf("Expected 1 marker msg, got %d msgs", si.State.Msgs)
}
// Make sure we have a delete marker, this will be there to drive Watch functionality.
info, err := obs.GetInfo("A")
expectOk(t, err)
if !info.Deleted {
t.Fatalf("Expected info to be marked as deleted")
}
}
func TestObjectMultiWithDelete(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "2OD"})
expectOk(t, err)
pa := bytes.Repeat([]byte("A"), 2_000_000)
pb := bytes.Repeat([]byte("B"), 3_000_000)
_, err = obs.PutBytes("A", pa)
expectOk(t, err)
// Hold onto this so we can make sure DeleteObject clears all messages, chunks and meta.
si, err := js.StreamInfo("OBJ_2OD")
expectOk(t, err)
_, err = obs.PutBytes("B", pb)
expectOk(t, err)
pb2, err := obs.GetBytes("B")
expectOk(t, err)
if !bytes.Equal(pb, pb2) {
t.Fatalf("Did not retrieve same object")
}
// Now delete B
err = obs.Delete("B")
expectOk(t, err)
siad, err := js.StreamInfo("OBJ_2OD")
expectOk(t, err)
if siad.State.Msgs != si.State.Msgs+1 { // +1 more delete marker.
t.Fatalf("Expected to have %d msgs after delete, got %d", siad.State.Msgs, si.State.Msgs+1)
}
}
func TestObjectNames(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "OBJS"})
expectOk(t, err)
// Test filename like naming.
_, err = obs.PutString("BLOB.txt", "A")
expectOk(t, err)
// Spaces ok
_, err = obs.PutString("foo bar", "A")
expectOk(t, err)
// things that can be in a filename across multiple OSes
// dot, asterisk, lt, gt, colon, double-quote, fwd-slash, backslash, pipe, question-mark, ampersand
_, err = obs.PutString(".*<>:\"/\\|?&", "A")
expectOk(t, err)
// Errors
_, err = obs.PutString("", "A")
expectErr(t, err, nats.ErrBadObjectMeta)
}
func TestObjectMetadata(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "META-TEST"})
expectOk(t, err)
// Simple with no Meta.
_, err = obs.PutString("A", "AAA")
expectOk(t, err)
meta := &nats.ObjectMeta{Name: "A"}
meta.Description = "descA"
meta.Headers = make(nats.Header)
meta.Headers.Set("color", "blue")
// simple update that does not change the name, just adds data
err = obs.UpdateMeta("A", meta)
expectOk(t, err)
info, err := obs.GetInfo("A")
expectOk(t, err)
if info.Name != "A" || info.Description != "descA" || info.Headers == nil || info.Headers.Get("color") != "blue" {
t.Fatalf("Update failed: %+v", info)
}
// update that changes the name and some data
meta = &nats.ObjectMeta{Name: "B"}
meta.Description = "descB"
meta.Headers = make(nats.Header)
meta.Headers.Set("color", "red")
err = obs.UpdateMeta("A", meta)
expectOk(t, err)
_, err = obs.GetInfo("A")
if err == nil {
t.Fatal("Object meta for original name was not removed.")
}
info, err = obs.GetInfo("B")
expectOk(t, err)
if info.Name != "B" || info.Description != "descB" || info.Headers == nil || info.Headers.Get("color") != "red" {
t.Fatalf("Update failed: %+v", info)
}
// delete the object to test updating against a deleted object
err = obs.Delete("B")
expectOk(t, err)
err = obs.UpdateMeta("B", meta)
expectErr(t, err, nats.ErrUpdateMetaDeleted)
err = obs.UpdateMeta("X", meta)
if err == nil {
t.Fatal("Expected an error when trying to update an object that does not exist.")
}
// can't have a link when putting an object
meta.Opts = &nats.ObjectMetaOptions{Link: &nats.ObjectLink{Bucket: "DoesntMatter"}}
_, err = obs.Put(meta, nil)
expectErr(t, err, nats.ErrLinkNotAllowed)
}
func TestObjectWatch(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "WATCH-TEST"})
expectOk(t, err)
watcher, err := obs.Watch()
expectOk(t, err)
defer watcher.Stop()
expectUpdate := func(name string) {
t.Helper()
select {
case info := <-watcher.Updates():
if false && info.Name != name { // TODO what is supposed to happen here?
t.Fatalf("Expected update for %q, but got %+v", name, info)
}
case <-time.After(time.Second):
t.Fatalf("Did not receive an update like expected")
}
}
expectNoMoreUpdates := func() {
t.Helper()
select {
case info := <-watcher.Updates():
t.Fatalf("Got an unexpected update: %+v", info)
case <-time.After(100 * time.Millisecond):
}
}
expectInitDone := func() {
t.Helper()
select {
case info := <-watcher.Updates():
if info != nil {
t.Fatalf("Did not get expected: %+v", info)
}
case <-time.After(time.Second):
t.Fatalf("Did not receive a init done like expected")
}
}
// We should get a marker that is nil when all initital values are delivered.
expectInitDone()
_, err = obs.PutString("A", "AAA")
expectOk(t, err)
_, err = obs.PutString("B", "BBB")
expectOk(t, err)
// Initial Values.
expectUpdate("A")
expectUpdate("B")
expectNoMoreUpdates()
// Delete
err = obs.Delete("A")
expectOk(t, err)
expectUpdate("A")
expectNoMoreUpdates()
// New
_, err = obs.PutString("C", "CCC")
expectOk(t, err)
// Update Meta
deletedInfo, err := obs.GetInfo("A")
expectOk(t, err)
if !deletedInfo.Deleted {
t.Fatalf("Expected object to be deleted.")
}
meta := &deletedInfo.ObjectMeta
meta.Description = "Making a change."
err = obs.UpdateMeta("A", meta)
expectErr(t, err, nats.ErrUpdateMetaDeleted)
}
func TestObjectLinks(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
root, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "ROOT"})
expectOk(t, err)
_, err = root.PutString("A", "AAA")
expectOk(t, err)
_, err = root.PutString("B", "BBB")
expectOk(t, err)
infoA, err := root.GetInfo("A")
expectOk(t, err)
// Link to individual object.
infoLA, err := root.AddLink("LA", infoA)
expectOk(t, err)
expectLinkIsCorrect(t, infoA, infoLA)
// link to a link
_, err = root.AddLink("LALA", infoLA)
expectErr(t, err, nats.ErrNoLinkToLink)
dir, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "DIR"})
expectOk(t, err)
_, err = dir.PutString("DIR/A", "DIR-AAA")
expectOk(t, err)
_, err = dir.PutString("DIR/B", "DIR-BBB")
expectOk(t, err)
infoB, err := dir.GetInfo("DIR/B")
expectOk(t, err)
infoLB, err := root.AddLink("DBL", infoB)
expectOk(t, err)
expectLinkIsCorrect(t, infoB, infoLB)
// Now add whole other store as a link, like a directory.
infoBucketLink, err := root.AddBucketLink("dir", dir)
expectOk(t, err)
_, err = root.Get(infoBucketLink.Name)
expectErr(t, err, nats.ErrCantGetBucket)
expectLinkPartsAreCorrect(t, infoBucketLink, "DIR", "")
// Try to get a linked object, same bucket
getLA, err := root.GetString("LA")
expectOk(t, err)
if getLA != "AAA" {
t.Fatalf("Expected %q but got %q", "AAA", getLA)
}
// Try to get a linked object, cross bucket
getDbl, err := root.GetString("DBL")
expectOk(t, err)
if getDbl != "DIR-BBB" {
t.Fatalf("Expected %q but got %q", "DIR-BBB", getDbl)
}
// change a link
infoB, err = root.GetInfo("B")
expectOk(t, err)
infoLA, err = root.GetInfo("LA")
expectOk(t, err)
expectLinkIsCorrect(t, infoA, infoLA)
infoLA, err = root.AddLink("LA", infoB)
expectOk(t, err)
expectLinkIsCorrect(t, infoB, infoLA)
// change a bucket link
infoBucketLink, err = root.GetInfo("dir")
expectOk(t, err)
expectLinkPartsAreCorrect(t, infoBucketLink, "DIR", "")
infoBucketLink, err = root.AddBucketLink("dir", root)
expectOk(t, err)
expectLinkPartsAreCorrect(t, infoBucketLink, "ROOT", "")
// Check simple errors.
_, err = root.AddLink("", infoB)
expectErr(t, err, nats.ErrNameRequired)
// A is already an object
_, err = root.AddLink("A", infoB)
expectErr(t, err, nats.ErrObjectAlreadyExists)
_, err = root.AddLink("Nil Object", nil)
expectErr(t, err, nats.ErrObjectRequired)
infoB.Name = ""
_, err = root.AddLink("Empty Info Name", infoB)
expectErr(t, err, nats.ErrObjectRequired)
// Check Error Link to a Link
_, err = root.AddLink("Link To Link", infoLB)
expectErr(t, err, nats.ErrNoLinkToLink)
// Check Errors on bucket linking
_, err = root.AddBucketLink("", root)
expectErr(t, err, nats.ErrNameRequired)
_, err = root.AddBucketLink("Nil Bucket", nil)
expectErr(t, err, nats.ErrBucketRequired)
err = root.Delete("A")
expectOk(t, err)
_, err = root.AddLink("ToDeletedStale", infoA)
expectOk(t, err) // TODO deal with this in the code somehow
infoA, err = root.GetInfo("A")
expectOk(t, err)
_, err = root.AddLink("ToDeletedFresh", infoA)
expectErr(t, err, nats.ErrNoLinkToDeleted)
}
func expectLinkIsCorrect(t *testing.T, originalObject *nats.ObjectInfo, linkObject *nats.ObjectInfo) {
if linkObject.Opts.Link == nil || !expectLinkPartsAreCorrect(t, linkObject, originalObject.Bucket, originalObject.Name) {
t.Fatalf("Link info not what was expected:\nActual: %+v\nTarget: %+v", linkObject, originalObject)
}
}
func expectLinkPartsAreCorrect(t *testing.T, linkObject *nats.ObjectInfo, bucket, name string) bool {
return linkObject.Opts.Link.Bucket == bucket &&
linkObject.Opts.Link.Name == name &&
!linkObject.ModTime.IsZero() &&
linkObject.NUID != ""
}
// Right now no history, just make sure we are cleaning up after ourselves.
func TestObjectHistory(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "OBJS"})
expectOk(t, err)
info, err := obs.PutBytes("A", bytes.Repeat([]byte("A"), 10))
expectOk(t, err)
if info.Size != 10 {
t.Fatalf("Invalid first put when testing history %+v", info)
}
info, err = obs.PutBytes("A", bytes.Repeat([]byte("a"), 20))
expectOk(t, err)
if info.Size != 20 {
t.Fatalf("Invalid second put when testing history %+v", info)
}
// Should only be 1 copy of 'A', so 1 data and 1 meta since history was not selected.
si, err := js.StreamInfo("OBJ_OBJS")
expectOk(t, err)
if si.State.Msgs != 2 {
t.Fatalf("Expected 2 msgs (1 data 1 meta) but got %d", si.State.Msgs)
}
}
func TestObjectList(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
root, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "ROOT"})
expectOk(t, err)
_, err = root.List()
expectErr(t, err, nats.ErrNoObjectsFound)
put := func(name, value string) {
_, err = root.PutString(name, value)
expectOk(t, err)
}
put("A", "AAA")
put("B", "BBB")
put("C", "CCC")
put("B", "bbb")
// Self link
info, err := root.GetInfo("B")
expectOk(t, err)
_, err = root.AddLink("b", info)
expectOk(t, err)
put("D", "DDD")
err = root.Delete("D")
expectOk(t, err)
lch, err := root.List()
expectOk(t, err)
omap := make(map[string]struct{})
for _, info := range lch {
if _, ok := omap[info.Name]; ok {
t.Fatalf("Already saw %q", info.Name)
}
omap[info.Name] = struct{}{}
}
if len(omap) != 4 {
t.Fatalf("Expected 4 total objects, got %d", len(omap))
}
expected := map[string]struct{}{
"A": struct{}{},
"B": struct{}{},
"C": struct{}{},
"b": struct{}{},
}
if !reflect.DeepEqual(omap, expected) {
t.Fatalf("Expected %+v but got %+v", expected, omap)
}
}
func TestObjectMaxBytes(t *testing.T) {
s := RunBasicJetStreamServer()
defer shutdownJSServerAndRemoveStorage(t, s)
nc, js := jsClient(t, s)
defer nc.Close()
obs, err := js.CreateObjectStore(&nats.ObjectStoreConfig{Bucket: "OBJS", MaxBytes: 1024})
expectOk(t, err)
status, err := obs.Status()
expectOk(t, err)
bs := status.(*nats.ObjectBucketStatus)
info := bs.StreamInfo()
if info.Config.MaxBytes != 1024 {
t.Fatalf("invalid object stream MaxSize %+v", info.Config.MaxBytes)
}
}