content: /*
   * 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.beam.sdk.extensions.sql.impl.planner;
  
  import org.apache.beam.sdk.extensions.sql.impl.rel.BaseRelTest;
  import org.apache.beam.sdk.extensions.sql.impl.rel.BeamRelNode;
  import org.apache.beam.sdk.extensions.sql.meta.provider.test.TestBoundedTable;
  import org.apache.beam.sdk.schemas.Schema;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Tests the behavior of {@code CalciteQueryPlanner}. Note that this is not for the JDBC path. It
   * will be the behavior of SQLTransform path.
   */
  public class CalciteQueryPlannerTest extends BaseRelTest {
    @Before
    public void prepare() {
      registerTable(
          "medium_table",
          TestBoundedTable.of(
                  Schema.FieldType.INT32, "unbounded_key",
                  Schema.FieldType.INT32, "large_key",
                  Schema.FieldType.INT32, "id")
              .addRows(1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 4, 1, 1, 5));
    }
  
    @Test
    public void testclusterCostHandlerUsesBeamCost() {
      String sql = "select * from medium_table";
      BeamRelNode root = env.parseQuery(sql);
      Assert.assertTrue(
          root.getCluster().getPlanner().getCost(root, root.getCluster().getMetadataQuery())
              instanceof BeamCostModel);
    }
  
    @Test
    public void testNonCumulativeCostMetadataHandler() {
      String sql = "select * from medium_table";
      BeamRelNode root = env.parseQuery(sql);
      Assert.assertTrue(
          root.getCluster().getMetadataQuery().getNonCumulativeCost(root) instanceof BeamCostModel);
      Assert.assertFalse(
          root.getCluster().getMetadataQuery().getNonCumulativeCost(root).isInfinite());
    }
  
    @Test
    public void testCumulativeCostMetaDataHandler() {
      // This handler is not our handler. It tests if the cumulative handler of Calcite works as
      // expected.
      String sql = "select * from medium_table";
      BeamRelNode root = env.parseQuery(sql);
      Assert.assertTrue(
          root.getCluster().getMetadataQuery().getCumulativeCost(root) instanceof BeamCostModel);
      Assert.assertFalse(root.getCluster().getMetadataQuery().getCumulativeCost(root).isInfinite());
    }
  }
  