127 lines
3.1 KiB
Go
127 lines
3.1 KiB
Go
/*
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Copyright 2021 The Dapr Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package redis
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import (
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"context"
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"errors"
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"fmt"
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"sync"
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"testing"
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"github.com/go-redis/redis/v8"
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"github.com/stretchr/testify/assert"
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"github.com/dapr/components-contrib/pubsub"
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"github.com/dapr/kit/logger"
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)
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func getFakeProperties() map[string]string {
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return map[string]string{
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consumerID: "fakeConsumer",
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enableTLS: "true",
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maxLenApprox: "1000",
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}
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}
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func TestParseRedisMetadata(t *testing.T) {
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t.Run("metadata is correct", func(t *testing.T) {
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fakeProperties := getFakeProperties()
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fakeMetaData := pubsub.Metadata{
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Properties: fakeProperties,
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}
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// act
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m, err := parseRedisMetadata(fakeMetaData)
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// assert
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assert.NoError(t, err)
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assert.Equal(t, fakeProperties[consumerID], m.consumerID)
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assert.Equal(t, int64(1000), m.maxLenApprox)
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})
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t.Run("consumerID is not given", func(t *testing.T) {
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fakeProperties := getFakeProperties()
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fakeMetaData := pubsub.Metadata{
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Properties: fakeProperties,
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}
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fakeMetaData.Properties[consumerID] = ""
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// act
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m, err := parseRedisMetadata(fakeMetaData)
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// assert
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assert.Error(t, errors.New("redis streams error: missing consumerID"), err)
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assert.Empty(t, m.consumerID)
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})
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}
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func TestProcessStreams(t *testing.T) {
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fakeConsumerID := "fakeConsumer"
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topicCount := 0
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messageCount := 0
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expectedData := "testData"
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var wg sync.WaitGroup
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wg.Add(3)
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fakeHandler := func(ctx context.Context, msg *pubsub.NewMessage) error {
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defer wg.Done()
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messageCount++
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if topicCount == 0 {
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topicCount = 1
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}
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// assert
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assert.Equal(t, expectedData, string(msg.Data))
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// return fake error to skip executing redis client command
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return errors.New("fake error")
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}
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// act
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testRedisStream := &redisStreams{logger: logger.NewLogger("test")}
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testRedisStream.ctx, testRedisStream.cancel = context.WithCancel(context.Background())
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testRedisStream.queue = make(chan redisMessageWrapper, 10)
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go testRedisStream.worker()
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testRedisStream.enqueueMessages(fakeConsumerID, fakeHandler, generateRedisStreamTestData(2, 3, expectedData))
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// Wait for the handler to finish processing
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wg.Wait()
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// assert
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assert.Equal(t, 1, topicCount)
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assert.Equal(t, 3, messageCount)
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}
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func generateRedisStreamTestData(topicCount, messageCount int, data string) []redis.XMessage {
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generateXMessage := func(id int) redis.XMessage {
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return redis.XMessage{
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ID: fmt.Sprintf("%d", id),
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Values: map[string]interface{}{
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"data": data,
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},
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}
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}
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xmessageArray := make([]redis.XMessage, messageCount)
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for i := range xmessageArray {
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xmessageArray[i] = generateXMessage(i)
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}
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return xmessageArray
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}
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