exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/TestCastVarCharToBigInt.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,
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 * See the License for the specific language governing permissions and
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package org.apache.drill.exec.physical.impl;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.List;

import org.apache.drill.common.util.DrillFileUtils;
import org.apache.drill.exec.client.DrillClient;
import org.apache.drill.exec.pop.PopUnitTestBase;
import org.apache.drill.exec.record.RecordBatchLoader;
import org.apache.drill.exec.record.VectorWrapper;
import org.apache.drill.exec.rpc.user.QueryDataBatch;
import org.apache.drill.exec.server.Drillbit;
import org.apache.drill.exec.server.RemoteServiceSet;
import org.apache.drill.exec.vector.ValueVector;
import org.junit.Test;

import com.google.common.base.Charsets;
import com.google.common.io.Files;


public class TestCastVarCharToBigInt extends PopUnitTestBase {
//    private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestCastVarCharToBigInt.class);

    @Test
    public void testCastToBigInt() throws Exception {
        try (RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
             Drillbit bit = new Drillbit(CONFIG, serviceSet);
             DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) {

            // run query.
            bit.run();
            client.connect();
            List<QueryDataBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
                    Files.asCharSource(DrillFileUtils.getResourceAsFile("/functions/cast/test_cast_varchar_to_bigint.json"), Charsets.UTF_8)
                            .read().replace("#{TEST_FILE}", "/scan_json_test_cast.json")
            );

            RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());

            QueryDataBatch batch = results.get(0);
            assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));

            for (VectorWrapper<?> v : batchLoader) {

                ValueVector.Accessor accessor = v.getValueVector().getAccessor();

                assertEquals(accessor.getObject(0), 2008L);
                assertEquals(accessor.getObject(1), 2007L);
                assertEquals(accessor.getObject(2), 2006L);
            }

            for(QueryDataBatch b : results){
              b.release();
            }
            batchLoader.clear();
        }
    }
}