| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 pulsar |
| |
| import ( |
| "context" |
| "fmt" |
| "github.com/stretchr/testify/assert" |
| "math/rand" |
| "strings" |
| "testing" |
| "time" |
| ) |
| |
| func TestReaderConnectError(t *testing.T) { |
| client, err := NewClient(ClientOptions{ |
| URL: "pulsar://invalid-hostname:6650", |
| }) |
| |
| assert.Nil(t, err) |
| |
| defer client.Close() |
| |
| reader, err := client.CreateReader(ReaderOptions{ |
| Topic: "my-topic", |
| StartMessageID: EarliestMessage, |
| }) |
| |
| // Expect error in creating reader |
| assert.Nil(t, reader) |
| assert.NotNil(t, err) |
| |
| assert.Equal(t, err.(*Error).Result(), ConnectError) |
| } |
| |
| func TestReader(t *testing.T) { |
| client, err := NewClient(ClientOptions{ |
| URL: "pulsar://localhost:6650", |
| }) |
| |
| assert.Nil(t, err) |
| defer client.Close() |
| |
| topic := fmt.Sprintf("my-reader-topic-%d", time.Now().Unix()) |
| |
| producer, err := client.CreateProducer(ProducerOptions{ |
| Topic: topic, |
| }) |
| |
| assert.Nil(t, err) |
| defer producer.Close() |
| |
| reader, err := client.CreateReader(ReaderOptions{ |
| Topic: topic, |
| StartMessageID: LatestMessage, |
| }) |
| |
| assert.Nil(t, err) |
| defer reader.Close() |
| |
| assert.Equal(t, reader.Topic(), "persistent://public/default/"+topic) |
| |
| ctx := context.Background() |
| |
| for i := 0; i < 10; i++ { |
| if err := producer.Send(ctx, ProducerMessage{ |
| Payload: []byte(fmt.Sprintf("hello-%d", i)), |
| }); err != nil { |
| t.Fatal(err) |
| } |
| |
| hasNext, err := reader.HasNext() |
| assert.Nil(t, err) |
| assert.Equal(t, hasNext, true) |
| |
| msg, err := reader.Next(ctx) |
| assert.Nil(t, err) |
| assert.NotNil(t, msg) |
| |
| assert.Equal(t, string(msg.Payload()), fmt.Sprintf("hello-%d", i)) |
| } |
| |
| hasNext, err := reader.HasNext() |
| assert.Nil(t, err) |
| assert.Equal(t, hasNext, false) |
| } |
| |
| func TestReaderWithInvalidConf(t *testing.T) { |
| client, err := NewClient(ClientOptions{ |
| URL: "pulsar://localhost:6650", |
| }) |
| |
| if err != nil { |
| t.Fatal(err) |
| return |
| } |
| |
| defer client.Close() |
| |
| reader, err := client.CreateReader(ReaderOptions{ |
| Topic: "my-topic", |
| }) |
| |
| // Expect error in creating cosnumer |
| assert.Nil(t, reader) |
| assert.NotNil(t, err) |
| |
| assert.Equal(t, err.(*Error).Result(), InvalidConfiguration) |
| |
| reader, err = client.CreateReader(ReaderOptions{ |
| StartMessageID: LatestMessage, |
| }) |
| |
| // Expect error in creating cosnumer |
| assert.Nil(t, reader) |
| assert.NotNil(t, err) |
| |
| assert.Equal(t, err.(*Error).Result(), InvalidConfiguration) |
| } |
| |
| func TestReaderCompaction(t *testing.T) { |
| client, err := NewClient(ClientOptions{ |
| URL: "pulsar://localhost:6650", |
| }) |
| |
| assert.Nil(t, err) |
| defer client.Close() |
| |
| topic := fmt.Sprintf("my-reader-compaction-topic-%d", time.Now().Unix()) |
| |
| producer, err := client.CreateProducer(ProducerOptions{ |
| Topic: topic, |
| }) |
| |
| assert.Nil(t, err) |
| defer producer.Close() |
| |
| ctx := context.Background() |
| |
| for i := 0; i < 10; i++ { |
| if err := producer.Send(ctx, ProducerMessage{ |
| Payload: []byte(fmt.Sprintf("hello-%d", i)), |
| Key: "Same-Key", |
| }); err != nil { |
| t.Fatal(err) |
| } |
| } |
| |
| // Compact topic and wait for operation to complete |
| url := fmt.Sprintf("http://localhost:8080/admin/v2/persistent/public/default/%s/compaction", topic) |
| makeHttpPutCall(t, url) |
| for { |
| res := makeHttpGetCall(t, url) |
| if strings.Contains(res, "RUNNING") { |
| fmt.Println("Compaction still running") |
| time.Sleep(100 * time.Millisecond) |
| continue |
| } else { |
| assert.Equal(t, strings.Contains(res, "SUCCESS"), true) |
| fmt.Println("Compaction is done") |
| break |
| } |
| } |
| |
| // Restart the consumers |
| |
| reader1, err := client.CreateReader(ReaderOptions{ |
| Topic: topic, |
| StartMessageID: EarliestMessage, |
| }) |
| |
| assert.Nil(t, err) |
| defer reader1.Close() |
| |
| reader2, err := client.CreateReader(ReaderOptions{ |
| Topic: topic, |
| StartMessageID: EarliestMessage, |
| ReadCompacted: true, |
| }) |
| |
| assert.Nil(t, err) |
| defer reader2.Close() |
| |
| // Reader-1 will receive all messages |
| for i := 0; i < 10; i++ { |
| msg, err := reader1.Next(context.Background()) |
| assert.Nil(t, err) |
| assert.NotNil(t, msg) |
| |
| assert.Equal(t, string(msg.Payload()), fmt.Sprintf("hello-%d", i)) |
| } |
| |
| // Reader-2 will only receive the last message |
| msg, err := reader2.Next(context.Background()) |
| assert.Nil(t, err) |
| assert.NotNil(t, msg) |
| assert.Equal(t, string(msg.Payload()), fmt.Sprintf("hello-9")) |
| |
| // No more messages on consumer-2 |
| ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond) |
| defer cancel() |
| |
| msg, err = reader2.Next(ctx) |
| assert.Nil(t, msg) |
| assert.NotNil(t, err) |
| } |
| |
| func TestReaderHasNext(t *testing.T) { |
| topic := fmt.Sprintf("TestReaderHasNext-%d", rand.Int()) |
| ctx := context.Background() |
| |
| client, err := NewClient(ClientOptions{ |
| URL: "pulsar://localhost:6650", |
| }) |
| assert.Nil(t, err) |
| defer client.Close() |
| |
| producer, err := client.CreateProducer(ProducerOptions{ |
| Topic: topic, |
| }) |
| assert.Nil(t, err) |
| defer producer.Close() |
| |
| // Send a message. |
| err = producer.Send(ctx, ProducerMessage{}) |
| assert.Nil(t, err) |
| |
| reader, err := client.CreateReader(ReaderOptions{ |
| Topic: topic, |
| StartMessageID: EarliestMessage, |
| }) |
| assert.Nil(t, err) |
| defer reader.Close() |
| |
| var hasNext bool |
| |
| // Now we have 1 message to read |
| hasNext, err = reader.HasNext() |
| assert.Nil(t, err) |
| assert.True(t, hasNext) |
| |
| _, err = reader.Next(ctx) |
| assert.Nil(t, err) |
| |
| // Now there is no message left |
| hasNext, err = reader.HasNext() |
| assert.Nil(t, err) |
| assert.False(t, hasNext) |
| } |