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consumer_test.go
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consumer_test.go
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// Copyright The OpenTelemetry 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.
package otelsarama
import (
"testing"
"github.com/IBM/sarama"
"github.com/IBM/sarama/mocks"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel/trace"
)
const (
topic = "test-topic"
)
func TestConsumerConsumePartitionWithError(t *testing.T) {
// Mock partition consumer controller
mockConsumer := mocks.NewConsumer(t, sarama.NewConfig())
mockConsumer.ExpectConsumePartition(topic, 0, 0)
consumer := WrapConsumer(mockConsumer)
_, err := consumer.ConsumePartition(topic, 0, 0)
assert.NoError(t, err)
// Consume twice
_, err = consumer.ConsumePartition(topic, 0, 0)
assert.Error(t, err)
}
func BenchmarkWrapPartitionConsumer(b *testing.B) {
// Mock provider
provider := trace.NewNoopTracerProvider()
mockPartitionConsumer, partitionConsumer := createMockPartitionConsumer(b)
partitionConsumer = WrapPartitionConsumer(partitionConsumer, WithTracerProvider(provider))
message := sarama.ConsumerMessage{Key: []byte("foo")}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
mockPartitionConsumer.YieldMessage(&message)
<-partitionConsumer.Messages()
}
}
func BenchmarkMockPartitionConsumer(b *testing.B) {
mockPartitionConsumer, partitionConsumer := createMockPartitionConsumer(b)
message := sarama.ConsumerMessage{Key: []byte("foo")}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
mockPartitionConsumer.YieldMessage(&message)
<-partitionConsumer.Messages()
}
}
func createMockPartitionConsumer(b *testing.B) (*mocks.PartitionConsumer, sarama.PartitionConsumer) {
// Mock partition consumer controller
consumer := mocks.NewConsumer(b, sarama.NewConfig())
mockPartitionConsumer := consumer.ExpectConsumePartition(topic, 0, 0)
// Create partition consumer
partitionConsumer, err := consumer.ConsumePartition(topic, 0, 0)
require.NoError(b, err)
return mockPartitionConsumer, partitionConsumer
}