[英]GoLang Sarama ConsumerGroup Mocking
我是 Go 的新手,我也在努力模擬通話: sarama.NewConsumerGroup(brokers, group, config)
我正在使用 testify,我的模擬代碼目前看起來像:
type MyMockedObjectReciever struct {
mock.Mock
Receiver
}
func (m *MyMockedObjectReciever) mockCreateConsumer(brokers []string, group string, config *sarama.Config) (sarama.ConsumerGroup, error) {
args := m.Called(brokers, group, config)
return args.Get(0).(sarama.ConsumerGroup), args.Error(1)
}
// mock connection and subscribe
wantConsumer := sarama.NewConsumerGroup
createConsumer = c.mockCreateConsumer
c.On("mockCreateConsumer", []string{testBrokers}, testGroup, wantConfig).Return(wantConsumer, nil).Once()
但我得到了錯誤:
--- FAIL: TestKafkaReceiver (0.00s)
--- FAIL: TestKafkaReceiver/test_a_Kafka_receiver (0.00s)
panic: interface conversion: func([]string, string, *sarama.Config) (sarama.ConsumerGroup, error) is not sarama.ConsumerGroup: missing method Close [recovered]
panic: interface conversion: func([]string, string, *sarama.Config) (sarama.ConsumerGroup, error) is not sarama.ConsumerGroup: missing method Close
我相信我是 mocking 調用不正確,但現在確定還能做什么。
您可以像下面這樣編寫您的模擬消費者,這將滿足消費者組 object。
// Consumergroup handler
type testConsumerGroupHandler struct {
}
func (C testConsumerGroupHandler) Consume(ctx context.Context, topics []string, handler sarama.ConsumerGroupHandler) error {
return nil
}
func (C testConsumerGroupHandler) Errors() <-chan error {
return nil
}
func (C testConsumerGroupHandler) Close() error {
return nil
}
之后,您應該編寫成功和失敗的方法,並相應地設置模擬測試
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