How to use publishMessages method of amqp Package

Best Venom code snippet using amqp.publishMessages

writer_test.go

Source:writer_test.go

...23	publishError            error24	publishCallsBeforeError int25	publishExchanges []string26	publishKeys      []string27	publishMessages  []amqp.Publishing28}29func (this *WriterFixture) Setup() {30	this.initializeWriter()31}32func (this *WriterFixture) initializeWriter() {33	config := configuration{}34	Options.apply(35		Options.Now(func() time.Time { return this.now }),36		Options.PanicOnTopologyError(this.panicOnTopologyFailure),37	)(&config)38	this.writer = newWriter(this, config)39}40func (this *WriterFixture) TestWhenCloseInvoked_UnderlyingChannelClosed() {41	this.closeError = errors.New("")42	err := this.writer.Close()43	this.So(err, should.Equal, this.closeError)44}45func (this *WriterFixture) TestWhenUnderlyingRollbackFails_ReturnError() {46	this.rollbackError = errors.New("")47	err := this.writer.Rollback()48	this.So(err, should.Equal, this.rollbackError)49}50func (this *WriterFixture) TestUnderlyingRollbackSucceeds_ReturnNil() {51	err := this.writer.Rollback()52	this.So(err, should.BeNil)53}54func (this *WriterFixture) TestWhenUnderlyingCommitFails_ReturnError() {55	this.commitError = errors.New("")56	err := this.writer.Commit()57	this.So(err, should.Equal, this.commitError)58}59func (this *WriterFixture) TestWhenUnderlyingCommitSucceeds_ReturnNil() {60	err := this.writer.Commit()61	this.So(err, should.BeNil)62}63func (this *WriterFixture) TestWhenTopologyNotEstablished_PanicOnTopologyErrors() {64	this.panicOnTopologyFailure = true65	this.initializeWriter()66	this.commitError = &amqp.Error{Code: 404}67	this.So(func() { _ = this.writer.Commit() }, should.Panic)68}69func (this *WriterFixture) TestWhenTopologyNotEstablished_DontPanicIfIsNotTopologyRelated() {70	this.panicOnTopologyFailure = true71	this.initializeWriter()72	this.commitError = errors.New("")73	err := this.writer.Commit()74	this.So(err, should.Equal, this.commitError)75}76func (this *WriterFixture) TestWhenWrite_TopicMissing() {77	count, err := this.writer.Write(context.Background(), messaging.Dispatch{})78	this.So(err, should.Equal, messaging.ErrEmptyDispatchTopic)79	this.So(count, should.Equal, 0)80	this.So(this.publishExchanges, should.BeEmpty)81	this.So(this.publishKeys, should.BeEmpty)82	this.So(this.publishMessages, should.BeEmpty)83}84func (this *WriterFixture) TestWhenWrite_PublishToUnderlyingChannel() {85	count, err := this.writer.Write(context.Background(), messaging.Dispatch{86		SourceID:        1,87		MessageID:       2,88		CorrelationID:   3,89		Timestamp:       time.Time{},90		Expiration:      time.Minute,91		Durable:         true,92		Topic:           "topic",93		Partition:       5,94		MessageType:     "message-type",95		ContentType:     "content-type",96		ContentEncoding: "content-encoding",97		Payload:         []byte("payload"),98		Headers: map[string]interface{}{99			"header10": "value10",100			"header20": int64(20),101			"header30": false,102		},103	})104	this.So(err, should.BeNil)105	this.So(count, should.Equal, 1)106	this.So(this.publishExchanges, should.Resemble, []string{"topic"})107	this.So(this.publishKeys, should.Resemble, []string{"5"})108	this.So(this.publishMessages, should.Resemble, []amqp.Publishing{109		{110			ContentType:     "content-type",111			ContentEncoding: "content-encoding",112			DeliveryMode:    amqp.Persistent,113			Priority:        0,114			CorrelationId:   "3",115			ReplyTo:         "",116			Expiration:      "60",117			MessageId:       "2",118			Timestamp:       time.Time{},119			Type:            "message-type",120			UserId:          "",121			AppId:           "1",122			Body:            []byte("payload"),123			Headers: map[string]interface{}{124				"header10": "value10",125				"header20": int64(20),126				"header30": false,127			},128		},129	})130}131func (this *WriterFixture) TestWhenWriteTransientMessage_PublishTransientMessageToUnderlyingChannel() {132	const durable = false133	count, err := this.writer.Write(context.Background(), messaging.Dispatch{134		Topic:   "a",135		Durable: durable,136	})137	this.So(err, should.BeNil)138	this.So(count, should.Equal, 1)139	this.So(this.publishExchanges, should.Resemble, []string{"a"})140	this.So(this.publishKeys, should.Resemble, []string{""})141	this.So(this.publishMessages, should.Resemble, []amqp.Publishing{142		{143			MessageId:     "0",144			CorrelationId: "0",145			AppId:         "0",146			DeliveryMode:  amqp.Transient,147		},148	})149}150func (this *WriterFixture) TestWhenWriteExpirationLessThanOneSecond_UseOneSecondExpiration() {151	count, err := this.writer.Write(context.Background(), messaging.Dispatch{152		Topic:      "a",153		Expiration: time.Second - 1,154	})155	this.So(err, should.BeNil)156	this.So(count, should.Equal, 1)157	this.So(this.publishExchanges, should.Resemble, []string{"a"})158	this.So(this.publishKeys, should.Resemble, []string{""})159	this.So(this.publishMessages, should.Resemble, []amqp.Publishing{160		{161			MessageId:     "0",162			CorrelationId: "0",163			AppId:         "0",164			DeliveryMode:  amqp.Transient,165			Expiration:    "1",166		},167	})168}169func (this *WriterFixture) TestWhenWriterFailsMidwayThrough_ReturnNumberOfWritesThusFarAndError() {170	this.publishError = errors.New("")171	this.publishCallsBeforeError = 3172	count, err := this.writer.Write(context.Background(), []messaging.Dispatch{{Topic: "a"}, {Topic: "a"}, {Topic: "a"}}...)173	this.So(count, should.Equal, 2)174	this.So(err, should.Equal, this.publishError)175}176////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////177func (this *WriterFixture) Close() error      { return this.closeError }178func (this *WriterFixture) TxCommit() error   { return this.commitError }179func (this *WriterFixture) TxRollback() error { return this.rollbackError }180func (this *WriterFixture) Publish(exchange, key string, envelope amqp.Publishing) error {181	this.publishExchanges = append(this.publishExchanges, exchange)182	this.publishKeys = append(this.publishKeys, key)183	this.publishMessages = append(this.publishMessages, envelope)184	if len(this.publishMessages) >= this.publishCallsBeforeError {185		return this.publishError186	}187	return nil188}189func (this *WriterFixture) DeclareQueue(name string, replicated bool) error   { panic("nop") }190func (this *WriterFixture) DeclareExchange(name string) error                 { panic("nop") }191func (this *WriterFixture) BindQueue(queue, exchange string) error            { panic("nop") }192func (this *WriterFixture) BufferCapacity(value uint16) error                 { panic("nop") }193func (this *WriterFixture) Consume(_, _ string) (<-chan amqp.Delivery, error) { panic("nop") }194func (this *WriterFixture) Ack(deliveryTag uint64, multiple bool) error       { panic("nop") }195func (this *WriterFixture) CancelConsumer(consumerID string) error            { panic("nop") }196func (this *WriterFixture) Tx() error                                         { panic("nop") }...

consumer_test.go

Source:consumer_test.go

...14	require := require.New(t)15	url := amqpUrl(t)16	ch := amqpChannel(t, url)17	declareQueue(t, ch, "test")18	publishMessages(t, ch, "test", 1)19	await := make(chan struct{})20	handler := consumer.HandlerFunc(func(ctx context.Context, delivery *consumer.Delivery) {21		err := delivery.Ack()22		require.NoError(err)23		await <- struct{}{}24	})25	consumerCfg := consumer.New(handler, "test")26	consumer := grmq.NewConsumer(consumerCfg, ch, grmq.NoopObserver{})27	err := consumer.Run()28	require.NoError(err)29	select {30	case <-await:31	case <-time.After(1 * time.Second):32		require.Fail("handler wasn't called")33	}34	err = consumer.Close()35	require.NoError(err)36	require.EqualValues(0, queueSize(t, url, "test"))37}38func TestConsumer_RunWithMiddlewares(t *testing.T) {39	require := require.New(t)40	url := amqpUrl(t)41	ch := amqpChannel(t, url)42	declareQueue(t, ch, "test")43	publishMessages(t, ch, "test", 1)44	await := make(chan struct{})45	value := atomic.NewInt32(0)46	handler := consumer.HandlerFunc(func(ctx context.Context, delivery *consumer.Delivery) {47		err := delivery.Ack()48		require.NoError(err)49		await <- struct{}{}50	})51	consumerCfg := consumer.New(handler, "test", consumer.WithMiddlewares(func(next consumer.Handler) consumer.Handler {52		return consumer.HandlerFunc(func(ctx context.Context, delivery *consumer.Delivery) {53			value.Add(1)54			next.Handle(ctx, delivery)55		})56	}))57	consumer := grmq.NewConsumer(consumerCfg, ch, grmq.NoopObserver{})58	err := consumer.Run()59	require.NoError(err)60	select {61	case <-await:62	case <-time.After(1 * time.Second):63		require.Fail("handler wasn't called")64	}65	require.EqualValues(1, value.Load())66	err = consumer.Close()67	require.NoError(err)68}69func TestConsumer_RunWithConcurrency(t *testing.T) {70	require := require.New(t)71	url := amqpUrl(t)72	ch := amqpChannel(t, url)73	declareQueue(t, ch, "test")74	publishMessages(t, ch, "test", 2)75	value := atomic.NewInt32(0)76	handler := consumer.HandlerFunc(func(ctx context.Context, delivery *consumer.Delivery) {77		time.Sleep(3 * time.Second)78		value.Add(1)79		err := delivery.Ack()80		require.NoError(err)81	})82	consumerCfg := consumer.New(handler, "test", consumer.WithConcurrency(2), consumer.WithPrefetchCount(2))83	consumer := grmq.NewConsumer(consumerCfg, ch, grmq.NoopObserver{})84	err := consumer.Run()85	require.NoError(err)86	time.Sleep(4 * time.Second) //4 < 687	require.EqualValues(2, value.Load())88	err = consumer.Close()89	require.NoError(err)90}91func TestConsumer_ConsumerError(t *testing.T) {92	require := require.New(t)93	url := amqpUrl(t)94	ch := amqpChannel(t, url)95	declareQueue(t, ch, "test")96	publishMessages(t, ch, "test", 1)97	await := make(chan struct{})98	handler := consumer.HandlerFunc(func(ctx context.Context, delivery *consumer.Delivery) {99		err := delivery.Source().Ack(false)100		require.NoError(err)101		err = delivery.Ack() //ack twice, provoke error102		require.NoError(err)103		await <- struct{}{}104	})105	consumerCfg := consumer.New(handler, "test")106	observer := NewObserverCounter()107	consumer := grmq.NewConsumer(consumerCfg, ch, observer)108	err := consumer.Run()109	require.NoError(err)110	select {111	case <-await:112	case <-time.After(1 * time.Second):113		require.Fail("handler wasn't called")114	}115	time.Sleep(100 * time.Millisecond)116	err = consumer.Close()117	require.Error(err)118	require.EqualValues(1, observer.consumerError.Load())119}120func TestConsumer_AsyncHandler(t *testing.T) {121	require := require.New(t)122	url := amqpUrl(t)123	ch := amqpChannel(t, url)124	declareQueue(t, ch, "test")125	publishMessages(t, ch, "test", 1)126	value := atomic.NewInt32(0)127	handler := consumer.HandlerFunc(func(ctx context.Context, delivery *consumer.Delivery) {128		go func() {129			time.Sleep(500 * time.Millisecond)130			err := delivery.Ack()131			require.NoError(err)132			value.Add(1)133		}()134	})135	consumerCfg := consumer.New(handler, "test")136	consumer := grmq.NewConsumer(consumerCfg, ch, grmq.NoopObserver{})137	err := consumer.Run()138	require.NoError(err)139	err = consumer.Close()140	require.NoError(err)141	require.EqualValues(1, value.Load())142}143func TestConsumer_GracefulClose(t *testing.T) {144	require := require.New(t)145	url := amqpUrl(t)146	ch := amqpChannel(t, url)147	declareQueue(t, ch, "test")148	messagesCount := 10149	publishMessages(t, ch, "test", messagesCount)150	value := atomic.NewInt32(0)151	handler := consumer.HandlerFunc(func(ctx context.Context, delivery *consumer.Delivery) {152		time.Sleep(50 * time.Millisecond)153		err := delivery.Ack()154		require.NoError(err)155		value.Add(1)156	})157	consumerCfg := consumer.New(handler, "test", consumer.WithPrefetchCount(5), consumer.WithConcurrency(5))158	observer := NewObserverCounter()159	consumer := grmq.NewConsumer(consumerCfg, ch, observer)160	err := consumer.Run()161	require.NoError(err)162	time.Sleep(50 * time.Millisecond)163	err = consumer.Close()...

main.go

Source:main.go

...51	publisher, err := amqp.NewPublisher(amqpConfig3, watermill.NewStdLogger(false, false))52	if err != nil {53		panic(err)54	}55	publishMessages(publisher)56}57func publishMessages(publisher message.Publisher) {58	for {59		msg := message.NewMessage(watermill.NewUUID(), []byte("Hello, world!!! i am from q1"))60		if err := publisher.Publish("example.topic1", msg); err != nil {61			panic(err)62		}63		time.Sleep(time.Second)64	}65}66func newProcess(id string) func(messages <-chan *message.Message) {67	return func(messages <-chan *message.Message) {68		for msg := range messages {69			log.Printf("%s received message: %s, payload: %s", id, msg.UUID, string(msg.Payload))70			// we need to Acknowledge that we received and processed the message,71			// otherwise, it will be resent over and over again....

publishMessages

Using AI Code Generation

1import (2func failOnError(err error, msg string) {3    if err != nil {4        log.Fatalf("%s: %s", msg, err)5    }6}7func main() {8    failOnError(err, "Failed to connect to RabbitMQ")9    defer conn.Close()10    ch, err := conn.Channel()11    failOnError(err, "Failed to open a channel")12    defer ch.Close()13    q, err := ch.QueueDeclare(14    failOnError(err, "Failed to declare a queue")15    err = ch.Publish(16        amqp.Publishing{17            Body:        []byte(body),18        })19    failOnError(err, "Failed to publish a message")20    fmt.Println(" [x] Sent %s", body)21}22import (23func failOnError(err error, msg string) {24    if err != nil {25        log.Fatalf("%s: %s", msg, err)26    }27}28func main() {29    failOnError(err, "Failed to connect to RabbitMQ")30    defer conn.Close()31    ch, err := conn.Channel()32    failOnError(err, "Failed to open a channel")33    defer ch.Close()34    q, err := ch.QueueDeclare(35    failOnError(err, "Failed to declare a queue")

publishMessages

Using AI Code Generation

1import (2func main() {3	if err != nil {4		log.Fatalf("Error in connecting to RabbitMQ server: %s", err)5	}6	ch, err := conn.Channel()7	if err != nil {8		log.Fatalf("Error in creating a channel: %s", err)9	}10	defer ch.Close()11	q, err := ch.QueueDeclare(12	if err != nil {13		log.Fatalf("Error in declaring a queue: %s", err)14	}15	err = ch.Publish(16		amqp.Publishing{17			Body:        []byte(body),18		},19	if err != nil {20		log.Fatalf("Error in publishing messages to the queue: %s", err)21	}22	fmt.Println("Message published successfully!")23}24import (25func main() {26	if err != nil {27		log.Fatalf("Error in connecting to RabbitMQ server: %s", err)28	}29	ch, err := conn.Channel()30	if err != nil {31		log.Fatalf("Error in creating a channel: %s", err)32	}33	defer ch.Close()34	q, err := ch.QueueDeclare(

publishMessages

Using AI Code Generation

1func main() {2    amqp := amqp.New()3    amqp.PublishMessages()4}5func main() {6    amqp := amqp.New()7    amqp.PublishMessages()8}

publishMessages

Using AI Code Generation

1import (2func main() {3	if err != nil {4		log.Fatalf("%s: %s", "Failed to connect to RabbitMQ", err)5	}6	defer conn.Close()7	ch, err := conn.Channel()8	if err != nil {9		log.Fatalf("%s: %s", "Failed to open a channel", err)10	}11	defer ch.Close()12	q, err := ch.QueueDeclare(13	if err != nil {14		log.Fatalf("%s: %s", "Failed to declare a queue", err)15	}16	err = ch.Publish(17		amqp.Publishing{18			Body:         []byte("Hello World!"),19		})20	if err != nil {21		log.Fatalf("%s: %s", "Failed to publish a message", err)22	}23	fmt.Println("Successfully Published message to RabbitMQ")24}25import (26func main() {27	if err != nil {28		log.Fatalf("%s: %s", "Failed to connect to RabbitMQ", err)29	}30	defer conn.Close()31	ch, err := conn.Channel()32	if err != nil {33		log.Fatalf("%s: %s", "Failed to open a channel", err)34	}35	defer ch.Close()

publishMessages

Using AI Code Generation

1import (2func main() {3	amqp.PublishMessages("test_exchange", "test_queue", "test_key", []byte("Hello World!"))4	fmt.Println("Done")5}6import (7func main() {8	amqp.SubscribeMessages("test_exchange", "test_queue", "test_key", func(body []byte) {9		fmt.Println("Received: ", string(body))10	})11	fmt.Println("Done")12}13import (14func main() {15	amqp.PublishMessages("test_exchange", "test_queue", "test_key", []byte("Hello World!"))16	fmt.Println("Done")17}18import (19func main() {20	amqp.SubscribeMessages("test_exchange", "test_queue", "test_key", func(body []byte) {21		fmt.Println("Received: ", string(body))22	})23	fmt.Println("Done")24}25import (26func main() {27	amqp.PublishMessages("test_exchange", "test_queue", "test_key", []byte("Hello World!"))28	fmt.Println("Done")29}30import (31func main() {

publishMessages

Using AI Code Generation

1import (2func main() {3	if err != nil {4		log.Fatal(err)5		os.Exit(1)6	}7	defer conn.Close()8	ch, err := conn.Channel()9	if err != nil {10		log.Fatal(err)11		os.Exit(1)12	}13	defer ch.Close()14	q, err := ch.QueueDeclare(15	if err != nil {16		log.Fatal(err)17		os.Exit(1)18	}19	err = ch.ExchangeDeclare(20	if err != nil {21		log.Fatal(err)22		os.Exit(1)23	}24	err = ch.QueueBind(25	if err != nil {26		log.Fatal(err)27		os.Exit(1)28	}29	for i := 1; i <= 100; i++ {30		err = ch.Publish(31			amqp.Publishing{32				Body:        []byte("Hello World!"),33			})34		if err != nil {35			log.Fatal(err)36			os.Exit(1)37		}38		log.Printf(" [x] Sent %s", "Hello World!")39		time.Sleep(time.Second)40	}41}

publishMessages

Using AI Code Generation

1import (2func main() {3	amqp.PublishMessages()4	fmt.Println("Message sent")5}6import (7func PublishMessages() {8	if err != nil {9		fmt.Println(err)10	}11	defer conn.Close()12	ch, err := conn.Channel()13	if err != nil {14		fmt.Println(err)15	}16	defer ch.Close()17	q, err := ch.QueueDeclare(18	if err != nil {19		fmt.Println(err)20	}21	err = ch.Publish(22		amqp.Publishing{23			Body:         []byte(body),24		})25	if err != nil {26		fmt.Println(err)27	}28}

publishMessages

Using AI Code Generation

1import (2func main() {3	amqp := NewAmqp()4	amqp.Connect()5	amqp.CreateExchange("test_exchange", "direct")6	amqp.CreateQueue("test_queue")7	amqp.BindQueue("test_exchange", "test_queue", "test_key")8	go amqp.PublishMessages("test_exchange", "test_key")9	amqp.ConsumeMessages("test_queue")10	time.Sleep(10 * time.Second)11	amqp.Close()12	fmt.Println("Connection closed")13}14import (15func main() {16	amqp := NewAmqp()17	amqp.Connect()18	amqp.CreateExchange("test_exchange", "direct")19	amqp.CreateQueue("test_queue")20	amqp.BindQueue("test_exchange", "test_queue", "test_key")21	go amqp.PublishMessages("test_exchange", "test_key")22	amqp.ConsumeMessages("test_queue")23	time.Sleep(10 * time.Second)24	amqp.Close()25	fmt.Println("Connection closed")26}

publishMessages

Using AI Code Generation

1import (2func main() {3	amqp := amqp.NewAmqp()4	amqp.PublishMessages()5}6import (7func main() {8	amqp := amqp.NewAmqp()9	amqp.ConsumeMessages()10}11import (12func main() {13	amqp := amqp.NewAmqp()14	amqp.PublishMessages()15}16import (17func main() {18	amqp := amqp.NewAmqp()19	amqp.ConsumeMessages()20}

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