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https://gitee.com/milvus-io/milvus.git
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111 lines
2.8 KiB
Go
111 lines
2.8 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package mqclient
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import (
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"context"
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"fmt"
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"math/rand"
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"testing"
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"time"
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"github.com/apache/pulsar-client-go/pulsar"
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"github.com/stretchr/testify/assert"
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)
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func TestPulsarReader(t *testing.T) {
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ctx := context.Background()
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pulsarAddress, _ := Params.Load("_PulsarAddress")
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pc, err := GetPulsarClientInstance(pulsar.ClientOptions{URL: pulsarAddress})
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assert.Nil(t, err)
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defer pc.Close()
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rand.Seed(time.Now().UnixNano())
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topic := fmt.Sprintf("test-%d", rand.Int())
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producer, err := pc.CreateProducer(ProducerOptions{Topic: topic})
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assert.Nil(t, err)
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assert.NotNil(t, producer)
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defer producer.Close()
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const N = 10
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var seekID MessageID
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for i := 0; i < N; i++ {
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msg := &ProducerMessage{
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Payload: []byte(fmt.Sprintf("helloworld-%d", i)),
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Properties: map[string]string{},
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}
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id, err := producer.Send(ctx, msg)
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assert.Nil(t, err)
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if i == 4 {
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seekID = &pulsarID{messageID: id.(*pulsarID).messageID}
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}
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}
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reader, err := pc.CreateReader(ReaderOptions{
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Topic: topic,
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StartMessageID: pc.EarliestMessageID(),
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})
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assert.Nil(t, err)
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assert.NotNil(t, reader)
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defer reader.Close()
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str := reader.Topic()
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assert.NotNil(t, str)
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for i := 0; i < N; i++ {
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revMsg, err := reader.Next(ctx)
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assert.Nil(t, err)
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assert.NotNil(t, revMsg)
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}
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readerOfStartMessageID, err := pc.CreateReader(ReaderOptions{
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Topic: topic,
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StartMessageID: seekID,
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StartMessageIDInclusive: true,
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})
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assert.Nil(t, err)
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defer readerOfStartMessageID.Close()
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for i := 4; i < N; i++ {
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assert.True(t, readerOfStartMessageID.HasNext())
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revMsg, err := readerOfStartMessageID.Next(ctx)
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assert.Nil(t, err)
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assert.NotNil(t, revMsg)
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}
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readerOfSeek, err := pc.CreateReader(ReaderOptions{
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Topic: topic,
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StartMessageID: pc.EarliestMessageID(),
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})
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assert.Nil(t, err)
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defer readerOfSeek.Close()
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err = reader.Seek(seekID)
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assert.Nil(t, err)
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for i := 4; i < N; i++ {
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assert.True(t, readerOfSeek.HasNext())
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revMsg, err := readerOfSeek.Next(ctx)
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assert.Nil(t, err)
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assert.NotNil(t, revMsg)
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}
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}
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