gerrit.onap Code Review - dcaegen2/services/sdk.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * DCAEGEN2-SERVICES-SDK
   4  * ================================================================================
   5  * Copyright (C) 2019 Nokia. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.onap.dcaegen2.services.sdk.services.hvves.client.producer.impl;
  21
  22 import static org.assertj.core.api.Assertions.assertThat;
  23 import static org.mockito.ArgumentMatchers.any;
  24 import static org.mockito.Mockito.mock;
  25 import static org.mockito.Mockito.times;
  26 import static org.mockito.Mockito.verify;
  27 import static org.mockito.Mockito.when;
  28 import static org.onap.dcaegen2.services.sdk.services.hvves.client.producer.impl.utils.VesEvents.defaultVesEvent;
  29
  30 import io.netty.buffer.ByteBuf;
  31 import io.netty.buffer.ByteBufAllocator;
  32 import io.netty.buffer.Unpooled;
  33 import org.junit.jupiter.api.BeforeEach;
  34 import org.junit.jupiter.api.Test;
  35 import org.onap.dcaegen2.services.sdk.services.hvves.client.producer.impl.encoders.EncodersFactory;
  36 import org.onap.dcaegen2.services.sdk.services.hvves.client.producer.impl.encoders.ProtobufEncoder;
  37 import org.onap.dcaegen2.services.sdk.services.hvves.client.producer.impl.encoders.WireFrameEncoder;
  38 import org.onap.ves.VesEventOuterClass.VesEvent;
  39 import reactor.core.publisher.Flux;
  40
  41 /**
  42  * @author <a href="mailto:jakub.dudycz@nokia.com">Jakub Dudycz</a>
  43  */
  44 public class ProducerCoreTest {
  45
  46     private ProducerCore producerCore;
  47     private EncodersFactory encodersFactoryMock;
  48
  49     @BeforeEach
  50     public void setUp() {
  51         encodersFactoryMock = mock(EncodersFactory.class);
  52         producerCore = new ProducerCore(encodersFactoryMock);
  53     }
  54
  55     @Test
  56     public void encode_should_encode_message_stream_to_wire_frame() {
  57         final WireFrameEncoder wireFrameEncoder = mock(WireFrameEncoder.class);
  58         final ProtobufEncoder protobufEncoder = mock(ProtobufEncoder.class);
  59         final ByteBuf protoBuffer = Unpooled.copiedBuffer(new byte[3]);
  60         final ByteBuf wireFrameBuffer = Unpooled.copiedBuffer(new byte[5]);
  61
  62         when(protobufEncoder.encode(any(VesEvent.class))).thenReturn(protoBuffer);
  63         when(wireFrameEncoder.encode(protoBuffer)).thenReturn(wireFrameBuffer);
  64         when(encodersFactoryMock.createProtobufEncoder(ByteBufAllocator.DEFAULT)).thenReturn(protobufEncoder);
  65         when(encodersFactoryMock.createWireFrameEncoder(ByteBufAllocator.DEFAULT)).thenReturn(wireFrameEncoder);
  66
  67         // given
  68         final int messageStreamSize = 2;
  69         final Flux<VesEvent> messages = Flux.just(defaultVesEvent()).repeat(messageStreamSize - 1);
  70
  71         // when
  72         final ByteBuf lastMessage = producerCore.encode(messages, ByteBufAllocator.DEFAULT).blockLast();
  73
  74         // then
  75         verify(encodersFactoryMock).createProtobufEncoder(ByteBufAllocator.DEFAULT);
  76         verify(encodersFactoryMock).createWireFrameEncoder(ByteBufAllocator.DEFAULT);
  77         verify(protobufEncoder, times(messageStreamSize)).encode(any(VesEvent.class));
  78         verify(wireFrameEncoder, times(messageStreamSize)).encode(protoBuffer);
  79
  80         assertThat(lastMessage).isNotNull();
  81         assertThat(lastMessage).isEqualTo(wireFrameBuffer);
  82     }
  83 }