org.apache.lens.driver.es.ScrollingQueryTest.java Source code

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Here is the source code for org.apache.lens.driver.es.ScrollingQueryTest.java

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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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.lens.driver.es;

import java.util.List;

import org.apache.lens.api.query.ResultRow;
import org.apache.lens.cube.parse.CubeQueryConfUtil;
import org.apache.lens.driver.es.client.ESResultSet;
import org.apache.lens.driver.es.translator.ESVisitor;
import org.apache.lens.server.api.error.LensException;

import org.apache.hadoop.conf.Configuration;

import org.testng.Assert;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;

import com.beust.jcommander.internal.Lists;

public class ScrollingQueryTest extends ESDriverTest {

    public ScrollingQueryTest() {
        super();
    }

    @Override
    protected void initializeConfig(Configuration config) {
        config.setInt(ESDriverConfig.TERM_FETCH_SIZE_KEY, 1);
        config.setInt(ESDriverConfig.QUERY_TIME_OUT_LENS_KEY, 10000);
        config.setInt(ESDriverConfig.MAX_ROW_SIZE_KEY, -1);
        config.setInt(ESDriverConfig.AGGR_BUCKET_SIZE_LENS_KEY, 100);
        config.setStrings(ESDriverConfig.CLIENT_CLASS_KEY, MockClientES.class.getCanonicalName());
        config.setBoolean(CubeQueryConfUtil.FAIL_QUERY_ON_PARTIAL_DATA, false);
        config.setStrings(CubeQueryConfUtil.DRIVER_SUPPORTED_STORAGES, "es_storage");
    }

    @BeforeTest
    @Override
    public void beforeTest() throws LensException {
        super.beforeTest();
    }

    @Test
    protected void testScrollQueryExactLimit() throws LensException {
        ESResultSet resultSet = mockClientES
                .execute(ESVisitor.rewrite(esDriverConfig, "select col1 from index.type limit 3"));
        final List<ResultRow> rows = Lists.newArrayList();
        while (resultSet.hasNext()) {
            rows.add(resultSet.next());
        }
        Assert.assertEquals(rows.size(), 3, "Streaming failed!!!");
    }

    @Test
    protected void testScrollQueryLesserLimit() throws LensException {
        ESResultSet resultSet = mockClientES
                .execute(ESVisitor.rewrite(esDriverConfig, "select col1 from index.type limit 2"));
        final List<ResultRow> rows = Lists.newArrayList();
        while (resultSet.hasNext()) {
            rows.add(resultSet.next());
        }
        Assert.assertEquals(rows.size(), 2, "Streaming failed!!!");
    }

    @Test
    protected void testScrollQueryMoreLimit() throws LensException {
        ESResultSet resultSet = mockClientES
                .execute(ESVisitor.rewrite(esDriverConfig, "select col1 from index.type limit 4"));
        final List<ResultRow> rows = Lists.newArrayList();
        while (resultSet.hasNext()) {
            rows.add(resultSet.next());
        }
        Assert.assertEquals(rows.size(), 3, "Streaming failed!!!");
    }

}