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Signed-off-by: Tomasz Pietrek <tomasz@nats.io>
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// Copyright 2022-2023 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. | ||
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//go:build !skip_js_tests | ||
// +build !skip_js_tests | ||
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package server | ||
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import ( | ||
"fmt" | ||
"math/rand" | ||
"sync" | ||
"sync/atomic" | ||
"testing" | ||
"time" | ||
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"github.com/nats-io/nats.go" | ||
) | ||
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func TestJetStreamConsumerMultipleConsumersSingleFilter(t *testing.T) { | ||
s := RunBasicJetStreamServer(t) | ||
defer s.Shutdown() | ||
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nc, js := jsClientConnect(t, s) | ||
defer nc.Close() | ||
acc := s.GlobalAccount() | ||
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// Setup few subjects with varying messages count. | ||
subjects := []struct { | ||
subject string | ||
messages int | ||
wc bool | ||
}{ | ||
{subject: "one", messages: 5000}, | ||
{subject: "two", messages: 7500}, | ||
{subject: "three", messages: 2500}, | ||
{subject: "four", messages: 1000}, | ||
{subject: "five.>", messages: 3000, wc: true}, | ||
} | ||
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totalMsgs := 0 | ||
for _, subject := range subjects { | ||
totalMsgs += subject.messages | ||
} | ||
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// Setup consumers, filtering some of the messages from the stream. | ||
consumers := []*struct { | ||
name string | ||
subjects []string | ||
expectedMsgs int | ||
delivered atomic.Int32 | ||
}{ | ||
{name: "C1", subjects: []string{"one"}, expectedMsgs: 5000}, | ||
{name: "C2", subjects: []string{"two"}, expectedMsgs: 7500}, | ||
{name: "C3", subjects: []string{"one"}, expectedMsgs: 5000}, | ||
{name: "C4", subjects: []string{"one"}, expectedMsgs: 5000}, | ||
} | ||
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mset, err := acc.addStream(&StreamConfig{ | ||
Name: "TEST", | ||
Retention: LimitsPolicy, | ||
Subjects: []string{"one", "two", "three", "four", "five.>"}, | ||
MaxAge: time.Second * 90, | ||
}) | ||
require_NoError(t, err) | ||
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for c, consumer := range consumers { | ||
_, err := mset.addConsumer(&ConsumerConfig{ | ||
Durable: consumer.name, | ||
FilterSubjects: consumer.subjects, | ||
AckPolicy: AckExplicit, | ||
DeliverPolicy: DeliverAll, | ||
AckWait: time.Second * 30, | ||
DeliverSubject: nc.NewInbox(), | ||
}) | ||
require_NoError(t, err) | ||
go func(c int, name string) { | ||
_, err = js.Subscribe("", func(m *nats.Msg) { | ||
require_NoError(t, m.Ack()) | ||
require_NoError(t, err) | ||
consumers[c].delivered.Add(1) | ||
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}, nats.Bind("TEST", name)) | ||
require_NoError(t, err) | ||
}(c, consumer.name) | ||
} | ||
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// Publish with random intervals, while consumers are active. | ||
rand.Seed(time.Now().UnixNano()) | ||
var wg sync.WaitGroup | ||
for _, subject := range subjects { | ||
wg.Add(subject.messages) | ||
go func(subject string, messages int, wc bool) { | ||
nc, js := jsClientConnect(t, s) | ||
defer nc.Close() | ||
time.Sleep(time.Duration(rand.Int63n(1000)+1) * time.Millisecond) | ||
for i := 0; i < messages; i++ { | ||
time.Sleep(time.Duration(rand.Int63n(1000)+1) * time.Microsecond) | ||
// If subject has wildcard, add random last subject token. | ||
pubSubject := subject | ||
if wc { | ||
pubSubject = fmt.Sprintf("%v.%v", subject, rand.Int63n(10)) | ||
} | ||
_, err := js.PublishAsync(pubSubject, []byte("data")) | ||
require_NoError(t, err) | ||
wg.Done() | ||
} | ||
}(subject.subject, subject.messages, subject.wc) | ||
} | ||
wg.Wait() | ||
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checkFor(t, time.Second*10, time.Millisecond*500, func() error { | ||
for _, consumer := range consumers { | ||
info, err := js.ConsumerInfo("TEST", consumer.name) | ||
require_NoError(t, err) | ||
if info.Delivered.Consumer != uint64(consumer.expectedMsgs) { | ||
return fmt.Errorf("%v:expected consumer delivered seq %v, got %v. actually delivered: %v", consumer.name, consumer.expectedMsgs, info.Delivered.Consumer, consumer.delivered.Load()) | ||
} | ||
if info.AckFloor.Consumer != uint64(consumer.expectedMsgs) { | ||
return fmt.Errorf("%v: expected consumer ack floor %v, got %v", consumer.name, totalMsgs, info.AckFloor.Consumer) | ||
} | ||
if consumer.delivered.Load() != int32(consumer.expectedMsgs) { | ||
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return fmt.Errorf("%v: expected %v, got %v", consumer.name, consumer.expectedMsgs, consumer.delivered.Load()) | ||
} | ||
} | ||
return nil | ||
}) | ||
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} | ||
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func TestJetStreamConsumerMultipleConsumersMultipleFilters(t *testing.T) { | ||
s := RunBasicJetStreamServer(t) | ||
defer s.Shutdown() | ||
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nc, js := jsClientConnect(t, s) | ||
defer nc.Close() | ||
acc := s.GlobalAccount() | ||
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// Setup few subjects with varying messages count. | ||
subjects := []struct { | ||
subject string | ||
messages int | ||
wc bool | ||
}{ | ||
{subject: "one", messages: 50}, | ||
{subject: "two", messages: 75}, | ||
{subject: "three", messages: 250}, | ||
{subject: "four", messages: 10}, | ||
{subject: "five.>", messages: 300, wc: true}, | ||
} | ||
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totalMsgs := 0 | ||
for _, subject := range subjects { | ||
totalMsgs += subject.messages | ||
} | ||
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// Setup consumers, filtering some of the messages from the stream. | ||
consumers := []*struct { | ||
name string | ||
subjects []string | ||
expectedMsgs int | ||
delivered atomic.Int32 | ||
}{ | ||
{name: "C1", subjects: []string{"one", "two"}, expectedMsgs: 125}, | ||
{name: "C2", subjects: []string{"two", "three"}, expectedMsgs: 325}, | ||
{name: "C3", subjects: []string{"one", "three"}, expectedMsgs: 300}, | ||
{name: "C4", subjects: []string{"one", "five.>"}, expectedMsgs: 350}, | ||
} | ||
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mset, err := acc.addStream(&StreamConfig{ | ||
Name: "TEST", | ||
Retention: LimitsPolicy, | ||
Subjects: []string{"one", "two", "three", "four", "five.>"}, | ||
MaxAge: time.Second * 90, | ||
}) | ||
require_NoError(t, err) | ||
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for c, consumer := range consumers { | ||
_, err := mset.addConsumer(&ConsumerConfig{ | ||
Durable: consumer.name, | ||
FilterSubjects: consumer.subjects, | ||
AckPolicy: AckExplicit, | ||
DeliverPolicy: DeliverAll, | ||
AckWait: time.Second * 30, | ||
DeliverSubject: nc.NewInbox(), | ||
}) | ||
require_NoError(t, err) | ||
go func(c int, name string) { | ||
_, err = js.Subscribe("", func(m *nats.Msg) { | ||
require_NoError(t, m.Ack()) | ||
require_NoError(t, err) | ||
consumers[c].delivered.Add(1) | ||
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}, nats.Bind("TEST", name)) | ||
require_NoError(t, err) | ||
}(c, consumer.name) | ||
} | ||
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// Publish with random intervals, while consumers are active. | ||
rand.Seed(time.Now().UnixNano()) | ||
var wg sync.WaitGroup | ||
for _, subject := range subjects { | ||
wg.Add(subject.messages) | ||
go func(subject string, messages int, wc bool) { | ||
nc, js := jsClientConnect(t, s) | ||
defer nc.Close() | ||
time.Sleep(time.Duration(rand.Int63n(1000)+1) * time.Millisecond) | ||
for i := 0; i < messages; i++ { | ||
time.Sleep(time.Duration(rand.Int63n(1000)+1) * time.Microsecond) | ||
// If subject has wildcard, add random last subject token. | ||
pubSubject := subject | ||
if wc { | ||
pubSubject = fmt.Sprintf("%v.%v", subject, rand.Int63n(10)) | ||
} | ||
ack, err := js.PublishAsync(pubSubject, []byte("data")) | ||
require_NoError(t, err) | ||
go func() { | ||
ack.Ok() | ||
wg.Done() | ||
}() | ||
} | ||
}(subject.subject, subject.messages, subject.wc) | ||
} | ||
done := make(chan struct{}) | ||
go func() { | ||
wg.Wait() | ||
close(done) | ||
}() | ||
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select { | ||
case <-time.After(time.Second * 15): | ||
t.Fatalf("Timed out waiting for acks") | ||
case <-done: | ||
} | ||
wg.Wait() | ||
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checkFor(t, time.Second*15, time.Second*1, func() error { | ||
for _, consumer := range consumers { | ||
info, err := js.ConsumerInfo("TEST", consumer.name) | ||
require_NoError(t, err) | ||
if info.Delivered.Consumer != uint64(consumer.expectedMsgs) { | ||
return fmt.Errorf("%v:expected consumer delivered seq %v, got %v. actually delivered: %v", consumer.name, consumer.expectedMsgs, info.Delivered.Consumer, consumer.delivered.Load()) | ||
} | ||
if info.AckFloor.Consumer != uint64(consumer.expectedMsgs) { | ||
return fmt.Errorf("%v: expected consumer ack floor %v, got %v", consumer.name, totalMsgs, info.AckFloor.Consumer) | ||
} | ||
if consumer.delivered.Load() != int32(consumer.expectedMsgs) { | ||
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return fmt.Errorf("%v: expected %v, got %v", consumer.name, consumer.expectedMsgs, consumer.delivered.Load()) | ||
} | ||
} | ||
return nil | ||
}) | ||
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} | ||
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func TestJetStreamConsumerMultipleFiltersSequence(t *testing.T) { | ||
s := RunBasicJetStreamServer(t) | ||
defer s.Shutdown() | ||
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nc, js := jsClientConnect(t, s) | ||
defer nc.Close() | ||
acc := s.GlobalAccount() | ||
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mset, err := acc.addStream(&StreamConfig{ | ||
Name: "TEST", | ||
Retention: LimitsPolicy, | ||
Subjects: []string{"one", "two", "three", "four", "five.>"}, | ||
MaxAge: time.Second * 90, | ||
}) | ||
require_NoError(t, err) | ||
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_, err = mset.addConsumer(&ConsumerConfig{ | ||
Durable: "DUR", | ||
FilterSubjects: []string{"one", "two"}, | ||
AckPolicy: AckExplicit, | ||
DeliverPolicy: DeliverAll, | ||
AckWait: time.Second * 30, | ||
DeliverSubject: nc.NewInbox(), | ||
}) | ||
require_NoError(t, err) | ||
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for i := 0; i < 20; i++ { | ||
sendStreamMsg(t, nc, "one", fmt.Sprintf("%d", i)) | ||
} | ||
for i := 20; i < 40; i++ { | ||
sendStreamMsg(t, nc, "two", fmt.Sprintf("%d", i)) | ||
} | ||
for i := 40; i < 60; i++ { | ||
sendStreamMsg(t, nc, "one", fmt.Sprintf("%d", i)) | ||
} | ||
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sub, err := js.SubscribeSync("", nats.Bind("TEST", "DUR")) | ||
require_NoError(t, err) | ||
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for i := 0; i < 60; i++ { | ||
msg, err := sub.NextMsg(time.Second * 1) | ||
require_NoError(t, err) | ||
require_True(t, string(msg.Data) == fmt.Sprintf("%d", i)) | ||
} | ||
} |