VishalandGitHub
96cbee185d
Kafka integration with Fission enables invoking a function when a message arrives in a Kafka topic
120 lines
3.1 KiB
Go
120 lines
3.1 KiB
Go
/*
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Copyright 2017 The Fission 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 messageQueue
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import (
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"testing"
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cluster "github.com/bsm/sarama-cluster"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"github.com/fission/fission"
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"github.com/fission/fission/crd"
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)
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const (
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DummyKafkaBrokers = "http://kafka-0.kafka:9092,http://kafka-1.kafka:9092"
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)
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type kafkaClusterMock struct {
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mock.Mock
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}
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type Consumer struct {
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mock.Mock
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}
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func (m *kafkaClusterMock) NewConsumer(addrs []string, groupID string, topics []string, config *cluster.Config) (*Consumer, error) {
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args := m.Called(addrs, groupID, topics, config)
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res := args.Get(0).(*Consumer)
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//err := args.Error(1)
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return res, nil
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}
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func TestKafkaMQConfigValid(t *testing.T) {
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kafkaConfig, err := makeKafkaMessageQueue(DummyRouterURL, MessageQueueConfig{
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MQType: fission.MessageQueueTypeKafka,
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Url: DummyKafkaBrokers,
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})
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require.NotNil(t, kafkaConfig)
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require.Nil(t, err)
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}
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func TestKafkaMQConfigMissingBroker(t *testing.T) {
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kafkaConfig, err := makeKafkaMessageQueue(DummyRouterURL, MessageQueueConfig{
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MQType: fission.MessageQueueTypeKafka,
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Url: "",
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})
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require.Nil(t, kafkaConfig)
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require.Error(t, err, "The router URL or MQ URL is empty")
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}
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func TestKafkaMQConfigMissingRouter(t *testing.T) {
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kafkaConfig, err := makeKafkaMessageQueue("", MessageQueueConfig{
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MQType: fission.MessageQueueTypeKafka,
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Url: DummyKafkaBrokers,
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})
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require.Nil(t, kafkaConfig)
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require.Error(t, err, "The router URL or MQ URL is empty")
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}
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func TestKafkaMq(t *testing.T) {
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// This is a WIP test and does not yet work correctly, hence skipping for now
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t.SkipNow()
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const (
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TriggerName = "queuetrigger"
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QueueName = "inputqueue"
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MessageBody = "input"
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FunctionName = "testfunc"
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ContentType = "text/plain"
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)
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kafkaConfig, err := makeKafkaMessageQueue(DummyRouterURL, MessageQueueConfig{
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MQType: fission.MessageQueueTypeKafka,
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Url: DummyKafkaBrokers,
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})
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require.NoError(t, err)
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consumer := new(kafkaClusterMock)
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consumer.On(
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"NewConsumer",
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mock.AnythingOfType("test"),
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).Return(
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&Consumer{},
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nil,
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).Once()
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kafkaConfig.subscribe(&crd.MessageQueueTrigger{
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Metadata: metav1.ObjectMeta{
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Name: TriggerName,
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Namespace: metav1.NamespaceDefault,
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},
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Spec: fission.MessageQueueTriggerSpec{
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FunctionReference: fission.FunctionReference{
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Type: fission.FunctionReferenceTypeFunctionName,
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Name: FunctionName,
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},
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MessageQueueType: fission.MessageQueueTypeASQ,
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Topic: QueueName,
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ContentType: ContentType,
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},
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})
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}
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