| // Copyright (C) 2023 The Android Open Source Project |
| // |
| // Licensed 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 com.ericsson.gerrit.plugins.highavailability.forwarder.jgroups; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.Mockito.RETURNS_DEEP_STUBS; |
| 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 com.ericsson.gerrit.plugins.highavailability.Configuration; |
| import com.google.gerrit.server.events.EventGsonProvider; |
| import com.google.gerrit.server.git.WorkQueue; |
| import com.google.gson.Gson; |
| import java.time.Duration; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.Executors; |
| import org.jgroups.Address; |
| import org.jgroups.blocks.MessageDispatcher; |
| import org.jgroups.util.Rsp; |
| import org.jgroups.util.RspList; |
| import org.jgroups.util.UUID; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class JGroupsForwarderTest { |
| |
| private static final int MAX_TRIES = 3; |
| private static final int THREAD_POOLS_SIZE = 4; |
| |
| private static final Address A1 = new UUID(1, 1); |
| private static final Address A2 = new UUID(2, 2); |
| private static final Rsp<Object> RSP_OK = new Rsp<>(true); |
| private static final Rsp<Object> RSP_FAIL = new Rsp<>(false); |
| |
| private MessageDispatcher dispatcher; |
| private JGroupsForwarder forwarder; |
| |
| @Before |
| public void setUp() throws Exception { |
| Gson eventGson = new EventGsonProvider().get(); |
| Gson gson = new JGroupsForwarderModule().buildJGroupsGson(eventGson); |
| Configuration cfg = mock(Configuration.class, RETURNS_DEEP_STUBS); |
| when(cfg.jgroups().maxTries()).thenReturn(MAX_TRIES); |
| when(cfg.jgroups().retryInterval()).thenReturn(Duration.ofMillis(1)); |
| when(cfg.jgroups().threadPoolSize()).thenReturn(THREAD_POOLS_SIZE); |
| |
| dispatcher = mock(MessageDispatcher.class, RETURNS_DEEP_STUBS); |
| when(dispatcher.getChannel().getView().size()).thenReturn(2); |
| when(dispatcher.getChannel().getView().getMembers()).thenReturn(List.of(A1, A2)); |
| |
| WorkQueue workQueue = mock(WorkQueue.class); |
| when(workQueue.createQueue(THREAD_POOLS_SIZE, "JGroupsForwarder")) |
| .thenReturn(Executors.newScheduledThreadPool(THREAD_POOLS_SIZE)); |
| forwarder = |
| new JGroupsForwarder( |
| dispatcher, cfg, gson, new FailsafeExecutorProvider(cfg, workQueue).get()); |
| } |
| |
| @Test |
| public void castMessageOK_returnsTrue() throws Exception { |
| RspList<Object> OK = new RspList<>(Map.of(A1, RSP_OK, A2, RSP_OK)); |
| when(dispatcher.castMessage(any(), any(), any())).thenReturn(OK); |
| |
| CompletableFuture<Boolean> result = forwarder.indexAccount(100, null); |
| assertThat(result.get()).isTrue(); |
| verify(dispatcher, times(1)).castMessage(any(), any(), any()); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void castMessageRetriesWithSucess_returnsTrue() throws Exception { |
| RspList<Object> OK = new RspList<>(Map.of(A1, RSP_OK, A2, RSP_OK)); |
| RspList<Object> FAIL = new RspList<>(Map.of(A1, RSP_OK, A2, RSP_FAIL)); |
| when(dispatcher.castMessage(any(), any(), any())).thenReturn(FAIL, OK); |
| |
| CompletableFuture<Boolean> result = forwarder.indexAccount(100, null); |
| assertThat(result.get()).isTrue(); |
| verify(dispatcher, times(2)).castMessage(any(), any(), any()); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void castMessageFailsMaxTriesTimes_returnsFalse() throws Exception { |
| RspList<Object> FAIL = new RspList<>(Map.of(A1, RSP_FAIL, A2, RSP_FAIL)); |
| // return FAIL x MAX_TRIES |
| when(dispatcher.castMessage(any(), any(), any())).thenReturn(FAIL, FAIL, FAIL); |
| |
| CompletableFuture<Boolean> result = forwarder.indexAccount(100, null); |
| assertThat(result.get()).isFalse(); |
| verify(dispatcher, times(MAX_TRIES)).castMessage(any(), any(), any()); |
| } |
| } |