geode-core/src/test/java/org/apache/geode/internal/cache/partitioned/RemotePutMessageJUnitTest.java

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 * 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
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 * Unless required by applicable law or agreed to in writing, software distributed under the License
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package org.apache.geode.internal.cache.partitioned;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.HashSet;

import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

import org.apache.geode.cache.Operation;
import org.apache.geode.distributed.internal.DistributionConfig;
import org.apache.geode.distributed.internal.InternalDistributedSystem;
import org.apache.geode.internal.cache.EntryEventImpl;
import org.apache.geode.internal.cache.EventID;

public class RemotePutMessageJUnitTest {
  static final int UNKNOWN_REGION = 234;

  @Rule
  public ExpectedException thrown = ExpectedException.none();

  @Test
  public void putThrowsIOExceptionOnMissingRegion() throws Exception {
    thrown.expect(IOException.class);

    // Mocks with minimal implementation to ensure code path through PutMessage.toData
    EntryEventImpl mockEvent = mock(EntryEventImpl.class);
    when(mockEvent.isPossibleDuplicate()).thenReturn(false);
    when(mockEvent.getEventId()).thenReturn(mock(EventID.class));
    when(mockEvent.getOperation()).thenReturn(Operation.UPDATE);
    when(mockEvent.getDeltaBytes()).thenReturn(new byte[] {});

    DistributionConfig mockDistributionConfig = mock(DistributionConfig.class);
    when(mockDistributionConfig.getDeltaPropagation()).thenReturn(true);
    InternalDistributedSystem mockInternalDistributedSystem = mock(InternalDistributedSystem.class);
    when(mockInternalDistributedSystem.getConfig()).thenReturn(mockDistributionConfig);

    // Construct a put with minimum configuration needed to reach region check.
    PutMessage put = new PutMessage(new HashSet(), false, UNKNOWN_REGION, null, mockEvent, 0, false,
        false, null, false);
    put.setSendDelta(true);
    put.setInternalDs(mockInternalDistributedSystem);

    put.toData(new DataOutputStream(new ByteArrayOutputStream()));
  }
}