processing/src/test/java/org/apache/druid/segment/virtual/ListFilteredVirtualColumnTest.java

/*
 * 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
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 */

package org.apache.druid.segment.virtual;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.ImmutableSet;
import nl.jqno.equalsverifier.EqualsVerifier;
import org.apache.druid.query.dimension.DefaultDimensionSpec;
import org.apache.druid.segment.TestHelper;
import org.apache.druid.segment.column.ValueType;
import org.junit.Assert;
import org.junit.Test;

public class ListFilteredVirtualColumnTest
{
  private static final ObjectMapper MAPPER = TestHelper.makeJsonMapper();

  @Test
  public void testSerdeAllowList() throws JsonProcessingException
  {
    ListFilteredVirtualColumn virtualColumn = new ListFilteredVirtualColumn(
        "hello",
        new DefaultDimensionSpec("column", "output", ValueType.STRING),
        ImmutableSet.of("foo", "bar"),
        true
    );
    ListFilteredVirtualColumn roundTrip = MAPPER.readValue(MAPPER.writeValueAsString(virtualColumn), ListFilteredVirtualColumn.class);
    Assert.assertEquals(virtualColumn, roundTrip);
    Assert.assertArrayEquals(virtualColumn.getCacheKey(), roundTrip.getCacheKey());
  }

  @Test
  public void testSerdeDenyList() throws JsonProcessingException
  {
    ListFilteredVirtualColumn virtualColumn = new ListFilteredVirtualColumn(
        "hello",
        new DefaultDimensionSpec("column", "output", ValueType.STRING),
        ImmutableSet.of("foo", "bar"),
        false
    );
    ListFilteredVirtualColumn roundTrip = MAPPER.readValue(MAPPER.writeValueAsString(virtualColumn), ListFilteredVirtualColumn.class);
    Assert.assertEquals(virtualColumn, roundTrip);
    Assert.assertArrayEquals(virtualColumn.getCacheKey(), roundTrip.getCacheKey());
  }

  @Test
  public void testEqualsAndHashcode()
  {
    EqualsVerifier.forClass(ListFilteredVirtualColumn.class).usingGetClass().verify();
  }
}