github.com/adnan-c/fabric_e2e_couchdb@v0.6.1-preview.0.20170228180935-21ce6b23cf91/orderer/kafka/broker_mock_test.go (about) 1 /* 2 Copyright IBM Corp. 2016 All Rights Reserved. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package kafka 18 19 import ( 20 "fmt" 21 "testing" 22 23 "github.com/Shopify/sarama" 24 ) 25 26 type mockBrockerImpl struct { 27 brokerImpl 28 29 mockBroker *sarama.MockBroker 30 handlerMap map[string]sarama.MockResponse 31 } 32 33 func mockNewBroker(t *testing.T, cp ChainPartition) (Broker, error) { 34 mockBroker := sarama.NewMockBroker(t, testBrokerID) 35 handlerMap := make(map[string]sarama.MockResponse) 36 // The sarama mock package doesn't allow us to return an error 37 // for invalid offset requests, so we return an offset of -1. 38 // Note that the mock offset responses below imply a broker with 39 // newestOffset-1 blocks available. Therefore, if you are using this 40 // broker as part of a bigger test where you intend to consume blocks, 41 // make sure that the mockConsumer has been initialized accordingly 42 // (Set the 'offset' parameter to newestOffset-1.) 43 handlerMap["OffsetRequest"] = sarama.NewMockOffsetResponse(t). 44 SetOffset(cp.Topic(), cp.Partition(), sarama.OffsetOldest, testOldestOffset). 45 SetOffset(cp.Topic(), cp.Partition(), sarama.OffsetNewest, testNewestOffset) 46 mockBroker.SetHandlerByMap(handlerMap) 47 48 broker := sarama.NewBroker(mockBroker.Addr()) 49 if err := broker.Open(nil); err != nil { 50 return nil, fmt.Errorf("Cannot connect to mock broker: %s", err) 51 } 52 53 return &mockBrockerImpl{ 54 brokerImpl: brokerImpl{ 55 broker: broker, 56 }, 57 mockBroker: mockBroker, 58 handlerMap: handlerMap, 59 }, nil 60 } 61 62 func (mb *mockBrockerImpl) Close() error { 63 mb.mockBroker.Close() 64 return nil 65 }