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storage_test.go
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storage_test.go
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// Copyright (c) 2022, R.I. Pienaar and the Project contributors
//
// SPDX-License-Identifier: Apache-2.0
package asyncjobs
import (
"bytes"
"context"
"encoding/json"
"fmt"
"log"
"time"
"github.com/nats-io/jsm.go"
"github.com/nats-io/jsm.go/api"
"github.com/nats-io/nats.go"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("Storage", func() {
var (
ctx context.Context
cancel context.CancelFunc
)
BeforeEach(func() {
ctx, cancel = context.WithTimeout(context.Background(), time.Minute)
log.SetOutput(GinkgoWriter)
})
AfterEach(func() { cancel() })
testQueue := func() *Queue {
return &Queue{Name: "ginkgo"}
}
Describe("ScheduledTasksWatch", func() {
It("Should handle no tasks", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
wctx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
tasks, err := storage.ScheduledTasksWatch(wctx)
Expect(err).ToNot(HaveOccurred())
task := <-tasks
Expect(task).To(BeNil())
})
})
It("Should handle some tasks and nil at the end and then send updates", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
for i := 0; i < 2; i++ {
st, _, err := newScheduledTask(fmt.Sprintf("scheduled_%d", i), "@daily", "DEFAULT", "email:new", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveScheduledTask(st, true)
Expect(err).ToNot(HaveOccurred())
}
wctx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
tasks, err := storage.ScheduledTasksWatch(wctx)
Expect(err).ToNot(HaveOccurred())
task := <-tasks
Expect(task.Name).To(Equal("scheduled_0"))
Expect(task.Task.Name).To(Equal("scheduled_0"))
Expect(task.Delete).To(BeFalse())
task = <-tasks
Expect(task.Name).To(Equal("scheduled_1"))
Expect(task.Task.Name).To(Equal("scheduled_1"))
Expect(task.Delete).To(BeFalse())
task = <-tasks
Expect(task).To(BeNil())
st, _, err := newScheduledTask("scheduled_new", "@daily", "DEFAULT", "email:new", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveScheduledTask(st, true)
Expect(err).ToNot(HaveOccurred())
task = <-tasks
Expect(task.Name).To(Equal("scheduled_new"))
Expect(task.Task.Name).To(Equal("scheduled_new"))
Expect(task.Delete).To(BeFalse())
storage.DeleteScheduledTaskByName("scheduled_new")
task = <-tasks
Expect(task.Name).To(Equal("scheduled_new"))
Expect(task.Task).To(BeNil())
Expect(task.Delete).To(BeTrue())
})
})
})
Describe("ScheduledTasks", func() {
It("Should handle no tasks", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
tasks, err := storage.ScheduledTasks(ctx)
Expect(err).ToNot(HaveOccurred())
Expect(tasks).To(HaveLen(0))
})
})
It("Should return found tasks", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
for i := 0; i < 10; i++ {
st, _, err := newScheduledTask(fmt.Sprintf("scheduled_%d", i), "@daily", "DEFAULT", "email:new", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveScheduledTask(st, true)
Expect(err).ToNot(HaveOccurred())
}
tasks, err := storage.ScheduledTasks(ctx)
Expect(err).ToNot(HaveOccurred())
Expect(tasks).To(HaveLen(10))
Expect(tasks[0].Name).To(Equal("scheduled_0"))
Expect(tasks[9].Name).To(Equal("scheduled_9"))
})
})
})
Describe("LoadScheduledTaskByName", func() {
It("Should handle corrupt tasks", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
_, err = storage.configBucket.Put("scheduled_tasks.test", []byte("{invalid"))
Expect(err).ToNot(HaveOccurred())
_, err = storage.LoadScheduledTaskByName("test")
Expect(err).To(MatchError(ErrScheduledTaskInvalid))
})
})
It("Should handle missing tasks", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
_, err = storage.LoadScheduledTaskByName("test")
Expect(err).To(MatchError(ErrScheduledTaskNotFound))
})
})
It("Should load the task", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
st, _, err := newScheduledTask("daily", "@daily", "DEFAULT", "email:new", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveScheduledTask(st, true)
Expect(err).ToNot(HaveOccurred())
lst, err := storage.LoadScheduledTaskByName("daily")
Expect(err).ToNot(HaveOccurred())
Expect(lst).To(Equal(st))
})
})
})
Describe("SaveScheduledTask", func() {
It("Should support updating a task", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
st, _, err := newScheduledTask("daily", "@daily", "DEFAULT", "email:new", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveScheduledTask(st, true)
Expect(err).ToNot(HaveOccurred())
e, err := storage.configBucket.Get(fmt.Sprintf("scheduled_tasks.%s", st.Name))
Expect(err).ToNot(HaveOccurred())
st = &ScheduledTask{}
err = json.Unmarshal(e.Value(), st)
Expect(err).ToNot(HaveOccurred())
Expect(st.Name).To(Equal("daily"))
})
})
It("Should support creating the task", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
st, _, err := newScheduledTask("daily", "@daily", "DEFAULT", "email:new", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveScheduledTask(st, true)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveScheduledTask(st, false)
Expect(err).To(MatchError(ErrScheduledTaskAlreadyExist))
})
})
})
Describe("PrepareConfigurationStore", func() {
It("Should support memory", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(true, 1)
Expect(err).ToNot(HaveOccurred())
kvs, err := storage.configBucket.Status()
Expect(err).ToNot(HaveOccurred())
Expect(kvs.(*nats.KeyValueBucketStatus).StreamInfo().Config.Storage).To(Equal(nats.MemoryStorage))
})
})
It("Should create the scheduled task store correctly", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareConfigurationStore(false, 1)
Expect(err).ToNot(HaveOccurred())
kvs, err := storage.configBucket.Status()
Expect(err).ToNot(HaveOccurred())
stream := kvs.(*nats.KeyValueBucketStatus).StreamInfo().Config
Expect(stream.MaxMsgsPerSubject).To(Equal(int64(1)))
Expect(stream.Storage).To(Equal(nats.FileStorage))
})
})
})
Describe("PrepareTasks", func() {
It("Should support memory", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
Expect(storage.tasks.stream.Storage()).To(Equal(api.MemoryStorage))
})
})
It("Should support retention", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
Expect(storage.tasks.stream.MaxAge()).To(Equal(time.Hour))
})
})
It("Should create the task store correctly", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(false, 1, 0)
Expect(err).ToNot(HaveOccurred())
stream := storage.tasks.stream
Expect(stream.MaxAge()).To(Equal(time.Duration(0)))
Expect(stream.Name()).To(Equal(TasksStreamName))
Expect(stream.Subjects()).To(Equal([]string{TasksStreamSubjects}))
Expect(stream.MaxMsgsPerSubject()).To(Equal(int64(1)))
Expect(stream.Storage()).To(Equal(api.FileStorage))
})
})
})
Describe("LoadTaskByID", func() {
It("Should read the correct task", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
task1, err := NewTask("ginkgo", "test")
Expect(err).ToNot(HaveOccurred())
err = storage.EnqueueTask(ctx, q, task1)
Expect(err).ToNot(HaveOccurred())
task2, err := NewTask("ginkgo", "test")
Expect(err).ToNot(HaveOccurred())
err = storage.EnqueueTask(ctx, q, task2)
Expect(err).ToNot(HaveOccurred())
t, err := storage.LoadTaskByID(task1.ID)
Expect(err).ToNot(HaveOccurred())
Expect(t.ID).To(Equal(task1.ID))
t, err = storage.LoadTaskByID(task2.ID)
Expect(err).ToNot(HaveOccurred())
Expect(t.ID).To(Equal(task2.ID))
Expect(t.storageOptions).ToNot(BeNil())
})
})
})
Describe("PrepareQueue", func() {
prepare := func(cb func(storage *jetStreamStorage, q *Queue)) {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
cb(storage, testQueue())
})
}
It("Should require a name", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
q.Name = ""
err := storage.PrepareQueue(q, 1, true)
Expect(err).To(Equal(ErrQueueNameRequired))
})
})
It("Should set defaults", func() {
prepare(func(storage *jetStreamStorage, _ *Queue) {
q := &Queue{Name: "ginkgo"}
err := storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
Expect(q.MaxTries).To(Equal(-1))
Expect(q.MaxRunTime).To(Equal(DefaultJobRunTime))
Expect(q.MaxConcurrent).To(Equal(DefaultQueueMaxConcurrent))
})
})
It("Should support memory storage", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
err := storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
stream := storage.qStreams[q.Name]
Expect(stream.Storage()).To(Equal(api.MemoryStorage))
})
})
It("Should support a max age", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
q.MaxAge = time.Hour
err := storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
stream := storage.qStreams[q.Name]
Expect(stream.MaxAge()).To(Equal(time.Hour))
})
})
It("Should support max entries", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
q.MaxEntries = 1000
err := storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
stream := storage.qStreams[q.Name]
Expect(stream.MaxMsgs()).To(Equal(int64(1000)))
})
})
It("Should support discard old", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
q.DiscardOld = true
err := storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
stream := storage.qStreams[q.Name]
Expect(stream.Configuration().Discard).To(Equal(api.DiscardOld))
})
})
It("Should support max run time", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
q.MaxRunTime = time.Hour
err := storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
consumer := storage.qConsumers[q.Name]
Expect(consumer.AckWait()).To(Equal(time.Hour))
})
})
It("Should support max concurrent", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
q.MaxConcurrent = 200
err := storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
consumer := storage.qConsumers[q.Name]
Expect(consumer.MaxAckPending()).To(Equal(200))
})
})
It("Should support max tries", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
q.MaxTries = 111
err := storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
consumer := storage.qConsumers[q.Name]
Expect(consumer.MaxDeliver()).To(Equal(111))
})
})
It("Should create stream and consumers correctly", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
err := storage.PrepareQueue(q, 1, false)
Expect(err).ToNot(HaveOccurred())
consumer := storage.qConsumers[q.Name]
stream := storage.qStreams[q.Name]
Expect(stream.Name()).To(Equal(fmt.Sprintf(WorkStreamNamePattern, q.Name)))
Expect(stream.Subjects()).To(Equal([]string{fmt.Sprintf(WorkStreamSubjectPattern, q.Name, ">")}))
Expect(stream.Retention()).To(Equal(api.WorkQueuePolicy))
Expect(stream.Storage()).To(Equal(api.FileStorage))
Expect(consumer.Name()).To(Equal("WORKERS"))
Expect(consumer.DurableName()).To(Equal("WORKERS"))
Expect(consumer.AckPolicy()).To(Equal(api.AckExplicit))
})
})
It("Should support joining an existing queue", func() {
prepare(func(storage *jetStreamStorage, q *Queue) {
q.NoCreate = true
err := storage.PrepareQueue(q, 1, false)
Expect(err).To(Equal(ErrQueueNotFound))
q.NoCreate = false
err = storage.PrepareQueue(q, 1, false)
Expect(err).ToNot(HaveOccurred())
Expect(storage.qConsumers[q.Name].Delete()).ToNot(HaveOccurred())
q.NoCreate = true
err = storage.PrepareQueue(q, 1, false)
Expect(err).To(Equal(ErrQueueConsumerNotFound))
})
})
})
Describe("PollQueue", func() {
It("Should fail for unknown queues", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
item, err := storage.PollQueue(ctx, newDefaultQueue())
Expect(item).To(BeNil())
Expect(err).To(MatchError("invalid queue storage state"))
})
})
It("Should handle empty queues", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
timeout, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
ts := time.Now()
item, err := storage.PollQueue(timeout, q)
Expect(item).To(BeNil())
Expect(ts).To(BeTemporally("~", time.Now(), 2*time.Second))
Expect(err).To(Equal(context.DeadlineExceeded))
})
})
It("Should handle invalid items", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
stream := storage.qStreams[q.Name]
// nil body items
_, err = nc.Request(stream.Subjects()[0], nil, time.Second)
Expect(err).ToNot(HaveOccurred())
item, err := storage.PollQueue(ctx, q)
Expect(item).To(BeNil())
Expect(err).To(MatchError("invalid queue item received"))
// should have been termed
nfo, err := stream.Information()
Expect(err).ToNot(HaveOccurred())
Expect(nfo.State.Msgs).To(Equal(uint64(0)))
// invalid body item
_, err = nc.Request(stream.Subjects()[0], []byte("foo"), time.Second)
Expect(err).ToNot(HaveOccurred())
item, err = storage.PollQueue(ctx, q)
Expect(item).To(BeNil())
Expect(err).To(MatchError("corrupt queue item received"))
// should have been termed
nfo, err = stream.Information()
Expect(err).ToNot(HaveOccurred())
Expect(nfo.State.Msgs).To(Equal(uint64(0)))
})
})
It("Should poll correctly", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", "test")
Expect(err).ToNot(HaveOccurred())
err = storage.EnqueueTask(ctx, q, task)
Expect(err).ToNot(HaveOccurred())
item, err := storage.PollQueue(ctx, q)
Expect(err).ToNot(HaveOccurred())
Expect(item.JobID).To(Equal(task.ID))
Expect(item.Kind).To(Equal(TaskItem))
Expect(item.storageMeta).ToNot(BeNil())
})
})
})
Describe("NaKItem", func() {
It("Should fail for invalid items", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
item := &ProcessItem{Kind: TaskItem, JobID: "123"}
err = storage.NakItem(ctx, item)
Expect(err).To(MatchError("invalid storage item"))
})
})
It("Should NaK with delay", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.EnqueueTask(ctx, q, task)
Expect(err).ToNot(HaveOccurred())
item, err := storage.PollQueue(ctx, q)
Expect(err).ToNot(HaveOccurred())
Expect(item.JobID).To(Equal(task.ID))
msg := item.storageMeta.(*nats.Msg)
sub, err := nc.SubscribeSync(msg.Reply)
Expect(err).ToNot(HaveOccurred())
err = storage.NakItem(ctx, item)
Expect(err).ToNot(HaveOccurred())
ack, err := sub.NextMsg(time.Second)
Expect(err).ToNot(HaveOccurred())
Expect(bytes.Contains(ack.Data, []byte("-NAK {\"delay\":"))).To(BeTrue())
})
})
})
Describe("TasksInfo", func() {
It("Should return the correct info", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
Expect(storage.PrepareTasks(true, 1, time.Hour)).ToNot(HaveOccurred())
nfo, err := storage.TasksInfo()
Expect(err).ToNot(HaveOccurred())
Expect(nfo.Stream).ToNot(BeNil())
Expect(nfo.Stream.Config.Name).To(Equal(TasksStreamName))
})
})
})
Describe("DeleteTaskByID", func() {
It("Should delete the task", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q1 := &Queue{Name: "Q1"}
Expect(storage.PrepareQueue(q1, 1, true)).ToNot(HaveOccurred())
Expect(storage.PrepareTasks(true, 1, time.Hour)).ToNot(HaveOccurred())
task, err := NewTask("x", "x")
Expect(err).ToNot(HaveOccurred())
Expect(storage.EnqueueTask(ctx, q1, task)).ToNot(HaveOccurred())
nfo, err := storage.TasksInfo()
Expect(err).ToNot(HaveOccurred())
Expect(nfo.Stream.State.Msgs).To(Equal(uint64(1)))
Expect(storage.DeleteTaskByID(task.ID)).ToNot(HaveOccurred())
nfo, err = storage.TasksInfo()
Expect(err).ToNot(HaveOccurred())
Expect(nfo.Stream.State.Msgs).To(Equal(uint64(0)))
})
})
})
Describe("PurgeQueue", func() {
It("Should purge all the messages", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q1 := &Queue{Name: "Q1"}
Expect(storage.PrepareQueue(q1, 1, true)).ToNot(HaveOccurred())
Expect(storage.PrepareTasks(true, 1, time.Hour)).ToNot(HaveOccurred())
task, err := NewTask("x", "x")
Expect(err).ToNot(HaveOccurred())
Expect(storage.EnqueueTask(ctx, q1, task)).ToNot(HaveOccurred())
nfo, err := storage.QueueInfo(q1.Name)
Expect(err).ToNot(HaveOccurred())
Expect(nfo.Stream.State.Msgs).To(Equal(uint64(1)))
Expect(storage.PurgeQueue(q1.Name)).ToNot(HaveOccurred())
nfo, err = storage.QueueInfo(q1.Name)
Expect(err).ToNot(HaveOccurred())
Expect(nfo.Stream.State.Msgs).To(Equal(uint64(0)))
})
})
})
Describe("Queues", func() {
It("Should find all the queues", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q1 := &Queue{Name: "Q1"}
q2 := &Queue{Name: "Q2"}
Expect(storage.PrepareQueue(q1, 1, true)).ToNot(HaveOccurred())
Expect(storage.PrepareQueue(q2, 1, true)).ToNot(HaveOccurred())
queues, err := storage.Queues()
if err != nil {
return
}
Expect(queues).To(HaveLen(2))
Expect(queues[0].Name).To(Equal(q1.Name))
Expect(queues[0].Stream.Config.Name).To(HaveSuffix(q1.Name))
Expect(queues[0].Consumer.Name).To(Equal("WORKERS"))
Expect(queues[1].Name).To(Equal(q2.Name))
Expect(queues[1].Stream.Config.Name).To(HaveSuffix(q2.Name))
Expect(queues[1].Consumer.Name).To(Equal("WORKERS"))
})
})
})
Describe("AckItem", func() {
It("Should fail when the item has no storage metadata", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
item := &ProcessItem{Kind: TaskItem, JobID: "123"}
err = storage.AckItem(ctx, item)
Expect(err).To(MatchError("invalid storage item"))
})
})
It("Should ack the item", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.EnqueueTask(ctx, q, task)
Expect(err).ToNot(HaveOccurred())
item, err := storage.PollQueue(ctx, q)
Expect(err).ToNot(HaveOccurred())
Expect(item.JobID).To(Equal(task.ID))
nfo, err := storage.qStreams[q.Name].Information()
Expect(err).ToNot(HaveOccurred())
Expect(nfo.State.Msgs).To(Equal(uint64(1)))
err = storage.AckItem(ctx, item)
Expect(err).ToNot(HaveOccurred())
nfo, err = storage.qStreams[q.Name].Information()
Expect(err).ToNot(HaveOccurred())
Expect(nfo.State.Msgs).To(Equal(uint64(0)))
})
})
})
Describe("RetryTaskByID", func() {
It("Should handle missing tasks", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q := testQueue()
Expect(storage.PrepareTasks(true, 1, time.Hour)).ToNot(HaveOccurred())
Expect(storage.RetryTaskByID(context.Background(), q, "123")).To(Equal(ErrTaskNotFound))
})
})
It("Should remove the task from the queue and enqueue with retry state", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q := testQueue()
Expect(storage.PrepareQueue(q, 1, true)).ToNot(HaveOccurred())
Expect(storage.PrepareTasks(true, 1, time.Hour)).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
Expect(storage.EnqueueTask(context.Background(), q, task)).ToNot(HaveOccurred())
nfo, err := storage.qStreams[q.Name].State()
Expect(err).ToNot(HaveOccurred())
Expect(nfo.Msgs).To(Equal(uint64(1)))
Expect(nfo.FirstSeq).To(Equal(uint64(1)))
Expect(storage.RetryTaskByID(context.Background(), q, task.ID)).ToNot(HaveOccurred())
nfo, err = storage.qStreams[q.Name].State()
Expect(err).ToNot(HaveOccurred())
Expect(nfo.Msgs).To(Equal(uint64(1)))
Expect(nfo.FirstSeq).To(Equal(uint64(2)))
task, err = storage.LoadTaskByID(task.ID)
Expect(err).ToNot(HaveOccurred())
Expect(task.State).To(Equal(TaskStateRetry))
})
})
})
Describe("EnqueueTask", func() {
It("Save the task and handle save errors", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.EnqueueTask(ctx, q, task)
Expect(err).To(Equal(nats.ErrNoResponders))
})
})
It("Should create the WQ entry with dedupe headers", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.EnqueueTask(ctx, q, task)
Expect(err).ToNot(HaveOccurred())
msg, err := storage.qStreams[q.Name].ReadMessage(1)
Expect(err).ToNot(HaveOccurred())
header, err := decodeHeadersMsg(msg.Header)
Expect(err).ToNot(HaveOccurred())
Expect(header.Get(api.JSMsgId)).To(Equal(task.ID))
})
})
It("Should not set dupe headers for retries", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
task.State = TaskStateRetry
err = storage.EnqueueTask(ctx, q, task)
Expect(err).ToNot(HaveOccurred())
msg, err := storage.qStreams[q.Name].ReadMessage(1)
Expect(err).ToNot(HaveOccurred())
Expect(msg.Header).To(HaveLen(0))
})
})
It("Should enqueue task and job correctly", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
q := testQueue()
err = storage.PrepareQueue(q, 1, true)
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
Expect(task.Signature).To(HaveLen(0))
err = storage.EnqueueTask(ctx, q, task)
Expect(err).ToNot(HaveOccurred())
msg, err := storage.qStreams[q.Name].ReadMessage(1)
Expect(err).ToNot(HaveOccurred())
item := ProcessItem{}
err = json.Unmarshal(msg.Data, &item)
Expect(err).ToNot(HaveOccurred())
Expect(item.Kind).To(Equal(TaskItem))
Expect(item.JobID).To(Equal(task.ID))
_, err = storage.LoadTaskByID(task.ID)
Expect(err).ToNot(HaveOccurred())
})
})
})
Describe("SaveTaskState", func() {
It("Should handle missing streams", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveTaskState(ctx, task, false)
if err != nats.ErrNoResponders {
Fail(fmt.Sprintf("Unexpected error: %v", err))
}
})
})
It("Should use the correct last subject sequence for new saves", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveTaskState(ctx, task, false)
Expect(err).ToNot(HaveOccurred())
tasks, err := mgr.LoadStream(TasksStreamName)
Expect(err).ToNot(HaveOccurred())
msg, err := tasks.ReadLastMessageForSubject(fmt.Sprintf(TasksStreamSubjectPattern, task.ID))
Expect(err).ToNot(HaveOccurred())
header, err := decodeHeadersMsg(msg.Header)
Expect(err).ToNot(HaveOccurred())
Expect(header.Get(api.JSExpectedLastSubjSeq)).To(Equal("0"))
})
})
It("Should use the correct last subject sequence for updates", func() {
withJetStream(func(nc *nats.Conn, mgr *jsm.Manager) {
storage, err := newJetStreamStorage(nc, retryForTesting, &defaultLogger{})
Expect(err).ToNot(HaveOccurred())
err = storage.PrepareTasks(true, 1, time.Hour)
Expect(err).ToNot(HaveOccurred())
task, err := NewTask("ginkgo", nil)
Expect(err).ToNot(HaveOccurred())
err = storage.SaveTaskState(ctx, task, false)
Expect(err).ToNot(HaveOccurred())
Expect(task.storageOptions).ToNot(BeNil())
so := task.storageOptions.(*taskMeta)
Expect(so.seq).To(Equal(uint64(1)))
tasks, err := mgr.LoadStream(TasksStreamName)
Expect(err).ToNot(HaveOccurred())
msg, err := tasks.ReadLastMessageForSubject(fmt.Sprintf(TasksStreamSubjectPattern, task.ID))