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.rel;
  
  import org.apache.beam.sdk.Pipeline;
  import org.apache.beam.sdk.extensions.sql.TestUtils;
  import org.apache.beam.sdk.extensions.sql.meta.provider.test.TestBoundedTable;
  import org.apache.beam.sdk.options.PipelineOptionsFactory;
  import org.apache.beam.sdk.schemas.Schema;
  import org.apache.beam.sdk.testing.PAssert;
  import org.apache.beam.sdk.testing.TestPipeline;
  import org.apache.beam.sdk.transforms.ParDo;
  import org.apache.beam.sdk.values.PCollection;
  import org.apache.beam.sdk.values.Row;
  import org.joda.time.DateTime;
  import org.junit.BeforeClass;
  import org.junit.Rule;
  import org.junit.Test;
  
  /** Test for {@code BeamSetOperatorRelBase}. */
  public class BeamSetOperatorRelBaseTest extends BaseRelTest {
    @Rule public final TestPipeline pipeline = TestPipeline.create();
    public static final DateTime THE_DATE = new DateTime(100000);
  
    @BeforeClass
    public static void prepare() {
      registerTable(
          "ORDER_DETAILS",
          TestBoundedTable.of(
                  Schema.FieldType.INT64, "order_id",
                  Schema.FieldType.INT32, "site_id",
                  Schema.FieldType.DOUBLE, "price",
                  Schema.FieldType.DATETIME, "order_time")
              .addRows(1L, 1, 1.0, THE_DATE, 2L, 2, 2.0, THE_DATE));
    }
  
    @Test
    public void testSameWindow() throws Exception {
      String sql =
          "SELECT "
              + " order_id, site_id, count(*) as cnt "
              + "FROM ORDER_DETAILS GROUP BY order_id, site_id"
              + ", TUMBLE(order_time, INTERVAL '1' HOUR) "
              + " UNION SELECT "
              + " order_id, site_id, count(*) as cnt "
              + "FROM ORDER_DETAILS GROUP BY order_id, site_id"
              + ", TUMBLE(order_time, INTERVAL '1' HOUR) ";
  
      PCollection<Row> rows = compilePipeline(sql, pipeline);
      // compare valueInString to ignore the windowStart & windowEnd
      PAssert.that(rows.apply(ParDo.of(new TestUtils.BeamSqlRow2StringDoFn())))
          .containsInAnyOrder(
              TestUtils.RowsBuilder.of(
                      Schema.FieldType.INT64, "order_id",
                      Schema.FieldType.INT32, "site_id",
                      Schema.FieldType.INT64, "cnt")
                  .addRows(1L, 1, 1L, 2L, 2, 1L)
                  .getStringRows());
      pipeline.run();
    }
  
    @Test(expected = IllegalArgumentException.class)
    public void testDifferentWindows() throws Exception {
      String sql =
          "SELECT "
              + " order_id, site_id, count(*) as cnt "
              + "FROM ORDER_DETAILS GROUP BY order_id, site_id"
              + ", TUMBLE(order_time, INTERVAL '1' HOUR) "
              + " UNION SELECT "
              + " order_id, site_id, count(*) as cnt "
              + "FROM ORDER_DETAILS GROUP BY order_id, site_id"
              + ", TUMBLE(order_time, INTERVAL '2' HOUR) ";
  
      // use a real pipeline rather than the TestPipeline because we are
      // testing exceptions, the pipeline will not actually run.
      Pipeline pipeline1 = Pipeline.create(PipelineOptionsFactory.create());
      compilePipeline(sql, pipeline1);
      pipeline.run();
    }
  }
  