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test: add DefaultSnapshotManagerTest
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| Original file line number | Diff line number | Diff line change |
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@@ -30,5 +30,7 @@ public interface SnapshotManager { | |
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| void startFiber(); | ||
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| void stopFiber(); | ||
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| FiberFuture<Long> saveSnapshot(); | ||
| } | ||
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server/src/test/java/com/github/dtprj/dongting/raft/sm/DefaultSnapshotManagerTest.java
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| /* | ||
| * Copyright The Dongting Project | ||
| * | ||
| * The Dongting Project 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: | ||
| * | ||
| * https://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.github.dtprj.dongting.raft.sm; | ||
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| import com.github.dtprj.dongting.common.ByteArray; | ||
| import com.github.dtprj.dongting.common.DtTime; | ||
| import com.github.dtprj.dongting.common.Pair; | ||
| import com.github.dtprj.dongting.dtkv.KvCodes; | ||
| import com.github.dtprj.dongting.dtkv.KvResult; | ||
| import com.github.dtprj.dongting.dtkv.server.DtKV; | ||
| import com.github.dtprj.dongting.dtkv.server.KvConfig; | ||
| import com.github.dtprj.dongting.fiber.BaseFiberTest; | ||
| import com.github.dtprj.dongting.fiber.Fiber; | ||
| import com.github.dtprj.dongting.fiber.FiberFrame; | ||
| import com.github.dtprj.dongting.fiber.FiberFuture; | ||
| import com.github.dtprj.dongting.fiber.FrameCallResult; | ||
| import com.github.dtprj.dongting.raft.impl.RaftStatusImpl; | ||
| import com.github.dtprj.dongting.raft.server.RaftGroupConfigEx; | ||
| import com.github.dtprj.dongting.raft.server.RaftInput; | ||
| import com.github.dtprj.dongting.raft.store.TestDir; | ||
| import com.github.dtprj.dongting.raft.test.MockExecutors; | ||
| import org.junit.jupiter.api.AfterEach; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
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| import java.io.File; | ||
| import java.util.Set; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import static org.junit.jupiter.api.Assertions.*; | ||
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| /** | ||
| * @author huangli | ||
| */ | ||
| public class DefaultSnapshotManagerTest extends BaseFiberTest { | ||
| private DefaultSnapshotManager m; | ||
| private DtKV kv; | ||
| private RaftStatusImpl raftStatus; | ||
| private String dataDir; | ||
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| @BeforeEach | ||
| void setUp() throws Exception { | ||
| dataDir = TestDir.createTestDir(DefaultSnapshotManager.class.getSimpleName()).getAbsolutePath(); | ||
| createManager(); | ||
| doInFiber(() -> { | ||
| kv.start(); | ||
| m.startFiber(); | ||
| }); | ||
| } | ||
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| private void createManager() { | ||
| raftStatus = new RaftStatusImpl(dispatcher.getTs()); | ||
| raftStatus.setNodeIdOfMembers(Set.of(1)); | ||
| raftStatus.setNodeIdOfObservers(Set.of()); | ||
| raftStatus.setNodeIdOfPreparedMembers(Set.of()); | ||
| raftStatus.setNodeIdOfPreparedObservers(Set.of()); | ||
| raftStatus.setLastAppliedTerm(1); | ||
| RaftGroupConfigEx groupConfig = new RaftGroupConfigEx(0, "1", ""); | ||
| groupConfig.setFiberGroup(fiberGroup); | ||
| groupConfig.setRaftStatus(raftStatus); | ||
| groupConfig.setTs(dispatcher.getTs()); | ||
| groupConfig.setDataDir(dataDir); | ||
| groupConfig.setBlockIoExecutor(MockExecutors.ioExecutor()); | ||
| KvConfig kvConfig = new KvConfig(); | ||
| kvConfig.setUseSeparateExecutor(true); | ||
| kvConfig.setInitMapCapacity(16); | ||
| kv = new DtKV(groupConfig, kvConfig); | ||
| m = new DefaultSnapshotManager(groupConfig, kv); | ||
| } | ||
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| @AfterEach | ||
| void tearDown() throws Exception { | ||
| doInFiber(() -> { | ||
| kv.stop(new DtTime(1, TimeUnit.SECONDS)); | ||
| m.stopFiber(); | ||
| }); | ||
| } | ||
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| @Test | ||
| void test() throws Exception { | ||
| doInFiber(new FiberFrame<>() { | ||
| private long index = 1; | ||
| private static final int LOOP = 10; | ||
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| @Override | ||
| public FrameCallResult execute(Void input) { | ||
| return Fiber.call(m.init(), this::afterInit); | ||
| } | ||
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| private FrameCallResult afterInit(Snapshot snapshot) { | ||
| assertNull(snapshot); | ||
| return beforePut(null); | ||
| } | ||
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| private FrameCallResult beforePut(Void v) { | ||
| if (index > LOOP) { | ||
| return afterLoop(); | ||
| } | ||
| ByteArray key = new ByteArray(("key" + index).getBytes()); | ||
| ByteArray value = new ByteArray(("value" + index).getBytes()); | ||
| RaftInput i = new RaftInput(DtKV.BIZ_TYPE_PUT, key, value, | ||
| new DtTime(1, TimeUnit.SECONDS), false); | ||
| FiberFuture<Object> f = kv.exec(index++, i); | ||
| return f.await(this::afterPut); | ||
| } | ||
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| private FrameCallResult afterPut(Object result) { | ||
| assertEquals(KvCodes.CODE_SUCCESS, ((KvResult) result).getBizCode()); | ||
| raftStatus.setLastApplied(index - 1); | ||
| if ((index - 1) % 2 == 0) { | ||
| FiberFuture<Long> f = m.saveSnapshot(); | ||
| return f.await(this::afterSave); | ||
| } else { | ||
| return Fiber.resume(null, this::beforePut); | ||
| } | ||
| } | ||
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| private FrameCallResult afterSave(Long idx) { | ||
| assertEquals(index - 1, idx); | ||
| return Fiber.resume(null, this::beforePut); | ||
| } | ||
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| private FrameCallResult afterLoop() { | ||
| kv.stop(new DtTime(1, TimeUnit.SECONDS)); | ||
| m.stopFiber(); | ||
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| createManager(); | ||
| kv.start(); | ||
| m.startFiber(); | ||
| return Fiber.call(m.init(), this::afterInit2); | ||
| } | ||
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| private FrameCallResult afterInit2(Snapshot snapshot) { | ||
| assertNotNull(snapshot); | ||
| FiberFrame<Pair<Integer, Long>> f = m.recover(snapshot); | ||
| return Fiber.call(f, this::afterRecover); | ||
| } | ||
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| private FrameCallResult afterRecover(Pair<Integer, Long> p) { | ||
| assertEquals(1, p.getLeft()); | ||
| assertEquals(LOOP, p.getRight().longValue()); | ||
| for (index = 1; index <= LOOP; index++) { | ||
| ByteArray key = new ByteArray(("key" + index).getBytes()); | ||
| KvResult r = kv.get(key); | ||
| assertEquals(KvCodes.CODE_SUCCESS, r.getBizCode()); | ||
| assertEquals("value" + index, new String(r.getNode().getData())); | ||
| } | ||
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| File dir = new File(dataDir); | ||
| dir = new File(dir, DefaultSnapshotManager.SNAPSHOT_DIR); | ||
| File[] files = dir.listFiles(); | ||
| assertEquals(DefaultSnapshotManager.KEEP * 2, files == null ? 0 : files.length); | ||
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| return Fiber.frameReturn(); | ||
| } | ||
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| }); | ||
| } | ||
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| } |