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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
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
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   * See the License for the specific language governing permissions and
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  package com.datastax.spark.connector.japi.rdd;
  
  import scala.Tuple2;
  
  import static com.datastax.spark.connector.japi.CassandraJavaUtil.column;
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.MatcherAssert.assertThat;
  import org.junit.Test;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import com.datastax.spark.connector.ColumnRef;
  import com.datastax.spark.connector.cql.CassandraConnector;
  import com.datastax.spark.connector.rdd.CassandraRDD;
  import com.datastax.spark.connector.rdd.ReadConf;
  import com.datastax.spark.connector.util.JavaApiHelper;
  
  @SuppressWarnings({"unchecked", "RedundantTypeArguments"})
  public class CassandraJavaPairRDDTest {
  
      @Test
      public void testSelectColumnNames() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          CassandraRDD<Tuple2<String, Integer>> rdd2 = mock(CassandraRDD.class);
          when(rdd.select(JavaApiHelper.<ColumnRef>toScalaSeq(
                  new ColumnRef[]{column("a"), column("b")}))).thenReturn(rdd2);
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.select("a", "b").rdd(), is(rdd2));
      }
  
      @Test
      public void testSelectColumns() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          CassandraRDD<Tuple2<String, Integer>> rdd2 = mock(CassandraRDD.class);
          when(rdd.select(JavaApiHelper.<ColumnRef>toScalaSeq(
                  new ColumnRef[]{column("a"), column("b")}))).thenReturn(rdd2);
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.select(column("a"), column("b")).rdd(), is(rdd2));
      }
  
      @Test
      public void testWhere() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          CassandraRDD<Tuple2<String, Integer>> rdd2 = mock(CassandraRDD.class);
          when(rdd.where("a=?", JavaApiHelper.toScalaSeq(new Object[]{1})))
                  .thenReturn(rdd2);
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.where("a=?", 1).rdd(), is(rdd2));
      }
  
      @Test
      public void testWithAscOrder() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          CassandraRDD<Tuple2<String, Integer>> rdd2 = mock(CassandraRDD.class);
          when(rdd.withAscOrder()).thenReturn(rdd2);
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.withAscOrder().rdd(), is(rdd2));
      }
  
      @Test
      public void testWithDescOrder() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          CassandraRDD<Tuple2<String, Integer>> rdd2 = mock(CassandraRDD.class);
          when(rdd.withDescOrder()).thenReturn(rdd2);
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.withDescOrder().rdd(), is(rdd2));
      }
  
      @Test
      public void testSelectedColumnRefs() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          when(rdd.selectedColumnRefs())
                  .thenReturn(JavaApiHelper.<ColumnRef>toScalaSeq(new ColumnRef[]{column("a"), column("b")}));
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.selectedColumnRefs(), is(new ColumnRef[] {column("a"), column("b")}));
      }
  
      @Test
      public void testSelectedColumnNames() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          when(rdd.selectedColumnNames())
                  .thenReturn(JavaApiHelper.<String>toScalaSeq(new String[]{"a", "b"}));
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.selectedColumnNames(), is(new String[] {"a", "b"}));
  
      }
  
      @Test
      public void testWithConnector() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          CassandraRDD<Tuple2<String, Integer>> rdd2 = mock(CassandraRDD.class);
          CassandraConnector connector = mock(CassandraConnector.class);
          when(rdd.withConnector(connector)).thenReturn(rdd2);
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.withConnector(connector).rdd(), is(rdd2));
      }
  
      @Test
      public void testWithReadConf() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          CassandraRDD<Tuple2<String, Integer>> rdd2 = mock(CassandraRDD.class);
          ReadConf readConf = mock(ReadConf.class);
          when(rdd.withReadConf(readConf)).thenReturn(rdd2);
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.withReadConf(readConf).rdd(), is(rdd2));
      }
  
      @Test
      public void testLimit() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          CassandraRDD<Tuple2<String, Integer>> rdd2 = mock(CassandraRDD.class);
          when(rdd.limit(1L)).thenReturn(rdd2);
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.limit(1L).rdd(), is(rdd2));
      }
  
      @Test
      public void testPerPartitionLimit() {
          CassandraRDD<Tuple2<String, Integer>> rdd = mock(CassandraRDD.class);
          CassandraRDD<Tuple2<String, Integer>> rdd2 = mock(CassandraRDD.class);
          when(rdd.perPartitionLimit(1L)).thenReturn(rdd2);
          CassandraJavaPairRDD<String, Integer> jrdd = new CassandraJavaPairRDD<>(rdd, String.class, Integer.class);
          assertThat(jrdd.perPartitionLimit(1L).rdd(), is(rdd2));
      }
  
  }
  