| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.pulsar.functions.worker; |
| |
| import static org.mockito.ArgumentMatchers.anyInt; |
| import static org.mockito.ArgumentMatchers.anyString; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.pulsar.client.api.Message; |
| import org.apache.pulsar.client.api.MessageId; |
| import org.apache.pulsar.client.api.Reader; |
| import org.apache.pulsar.client.api.ReaderBuilder; |
| import org.apache.pulsar.functions.proto.Function.FunctionMetaData; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.Test; |
| |
| /** |
| * Unit test of {@link FunctionMetaDataTopicTailer}. |
| */ |
| @Slf4j |
| public class FunctionMetaDataTopicTailerTest { |
| |
| private static final String TEST_NAME = "test-fmt"; |
| |
| private final Reader reader; |
| private final ReaderBuilder readerBuilder; |
| private final FunctionMetaDataManager fsm; |
| private final FunctionMetaDataTopicTailer fsc; |
| |
| public FunctionMetaDataTopicTailerTest() throws Exception { |
| this.reader = mock(Reader.class); |
| this.readerBuilder = mock(ReaderBuilder.class); |
| when(readerBuilder.topic(anyString())).thenReturn(readerBuilder); |
| when(readerBuilder.startMessageId(any(MessageId.class))).thenReturn(readerBuilder); |
| when(readerBuilder.readerName(anyString())).thenReturn(readerBuilder); |
| when(readerBuilder.subscriptionRolePrefix(anyString())).thenReturn(readerBuilder); |
| when(readerBuilder.create()).thenReturn(reader); |
| this.fsm = mock(FunctionMetaDataManager.class); |
| this.fsc = new FunctionMetaDataTopicTailer(fsm, readerBuilder, new WorkerConfig(), MessageId.earliest, |
| ErrorNotifier.getDefaultImpl()); |
| } |
| |
| @AfterMethod(alwaysRun = true) |
| public void tearDown() throws Exception { |
| fsc.close(); |
| verify(reader, times(1)).close(); |
| } |
| |
| @Test |
| public void testUpdate() throws Exception { |
| |
| FunctionMetaData request = FunctionMetaData.newBuilder().build(); |
| |
| Message msg = mock(Message.class); |
| when(msg.getData()).thenReturn(request.toByteArray()); |
| CountDownLatch readLatch = new CountDownLatch(1); |
| CountDownLatch processLatch = new CountDownLatch(1); |
| when(reader.readNext(anyInt(), any(TimeUnit.class))).thenReturn(msg).then(new Answer<Message>() { |
| public Message answer(InvocationOnMock invocation) { |
| try { |
| readLatch.countDown(); |
| processLatch.await(); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| return null; |
| } |
| }); |
| |
| fsc.start(); |
| |
| readLatch.await(); |
| |
| verify(reader, times(2)).readNext(anyInt(), any(TimeUnit.class)); |
| verify(fsm, times(1)).processMetaDataTopicMessage(any(Message.class)); |
| } |
| } |