org.apache.lens.cube.parse.TestTimeRangeWriter.java Source code

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Here is the source code for org.apache.lens.cube.parse.TestTimeRangeWriter.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
 *
 *   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.lens.cube.parse;

import static org.apache.lens.cube.metadata.DateFactory.*;
import static org.apache.lens.cube.metadata.UpdatePeriod.*;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.apache.lens.cube.error.LensCubeErrorCode;
import org.apache.lens.cube.metadata.FactPartition;
import org.apache.lens.server.api.error.LensException;

import org.apache.hadoop.conf.Configuration;

import org.mockito.Mockito;
import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import lombok.extern.slf4j.Slf4j;

@Slf4j
public abstract class TestTimeRangeWriter {

    public abstract TimeRangeWriter getTimerangeWriter();

    public abstract boolean failDisjoint();

    public abstract void validateDisjoint(String whereClause, DateFormat format);

    public abstract void validateConsecutive(String whereClause, DateFormat format);

    protected CubeQueryContext getMockedCubeContext(boolean betweenOnly) {
        CubeQueryContext context = Mockito.mock(CubeQueryContext.class);
        Configuration configuration = new Configuration();
        configuration.setBoolean(CubeQueryConfUtil.BETWEEN_ONLY_TIME_RANGE_WRITER, betweenOnly);
        Mockito.when(context.getConf()).thenReturn(configuration);
        Mockito.when(context.shouldReplaceTimeDimWithPart()).thenReturn(true);
        return context;
    }

    protected CubeQueryContext getMockedCubeContextForBounds(String startBoundType, String endBoundType) {
        CubeQueryContext context = Mockito.mock(CubeQueryContext.class);
        Configuration configuration = new Configuration();
        configuration.set(CubeQueryConfUtil.START_DATE_BOUND_TYPE, startBoundType);
        configuration.set(CubeQueryConfUtil.END_DATE_BOUND_TYPE, endBoundType);
        Mockito.when(context.getConf()).thenReturn(configuration);
        Mockito.when(context.shouldReplaceTimeDimWithPart()).thenReturn(true);
        return context;
    }

    public void validateSingle(String whereClause, DateFormat format) {
        List<String> parts = new ArrayList<String>();
        if (format == null) {
            parts.add(getDateStringWithOffset(DAILY, -1));
        } else {
            parts.add(format.format(getDateWithOffset(DAILY, -1)));
        }

        System.out.println("Expected :" + StorageUtil.getWherePartClause("dt", "test", parts));
        Assert.assertEquals(whereClause, StorageUtil.getWherePartClause("dt", "test", parts));
    }

    public static final DateFormat DB_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    @Test
    public void testDisjointParts() {
        Set<FactPartition> answeringParts = new LinkedHashSet<FactPartition>();
        answeringParts.add(new FactPartition("dt", getDateWithOffset(MONTHLY, -2), MONTHLY, null, null));
        answeringParts.add(new FactPartition("dt", getDateWithOffset(DAILY, -2), DAILY, null, null));
        answeringParts.add(new FactPartition("dt", getDateWithOffset(HOURLY, 0), HOURLY, null, null));

        LensException th = null;
        String whereClause = null;
        try {
            whereClause = getTimerangeWriter().getTimeRangeWhereClause(getMockedCubeContext(false), "test",
                    answeringParts);
        } catch (LensException e) {
            log.error("Semantic exception while testing disjoint parts.", e);
            th = e;
        }

        if (failDisjoint()) {
            Assert.assertNotNull(th);
            Assert.assertEquals(th.getErrorCode(),
                    LensCubeErrorCode.CANNOT_USE_TIMERANGE_WRITER.getLensErrorInfo().getErrorCode());
        } else {
            Assert.assertNull(th);
            validateDisjoint(whereClause, null);
        }

        // test with format
        answeringParts = new LinkedHashSet<>();
        answeringParts.add(new FactPartition("dt", getDateWithOffset(MONTHLY, -2), MONTHLY, null, DB_FORMAT));
        answeringParts.add(new FactPartition("dt", getDateWithOffset(DAILY, -2), DAILY, null, DB_FORMAT));
        answeringParts.add(new FactPartition("dt", getDateWithOffset(HOURLY, 0), HOURLY, null, DB_FORMAT));

        th = null;
        try {
            whereClause = getTimerangeWriter().getTimeRangeWhereClause(getMockedCubeContext(false), "test",
                    answeringParts);
        } catch (LensException e) {
            th = e;
        }

        if (failDisjoint()) {
            Assert.assertNotNull(th);
        } else {
            Assert.assertNull(th);
            validateDisjoint(whereClause, DB_FORMAT);
        }

    }

    @DataProvider
    public Object[][] formatDataProvider() {
        return new Object[][] { { null, }, { DB_FORMAT, }, };
    }

    @Test(dataProvider = "formatDataProvider")
    public void testConsecutiveDayParts(DateFormat format) throws LensException, InterruptedException {
        Set<FactPartition> answeringParts = new LinkedHashSet<>();
        answeringParts.add(new FactPartition("dt", getDateWithOffset(DAILY, -1), DAILY, null, format));
        answeringParts.add(new FactPartition("dt", getDateWithOffset(DAILY, -2), DAILY, null, format));
        answeringParts.add(new FactPartition("dt", getDateWithOffset(DAILY, 0), DAILY, null, format));

        String whereClause = getTimerangeWriter().getTimeRangeWhereClause(getMockedCubeContext(false), "test",
                answeringParts);
        validateConsecutive(whereClause, format);
    }

    @Test
    public void testSinglePart() throws LensException {
        Set<FactPartition> answeringParts = new LinkedHashSet<FactPartition>();
        answeringParts.add(new FactPartition("dt", getDateWithOffset(DAILY, -1), DAILY, null, null));
        String whereClause = getTimerangeWriter().getTimeRangeWhereClause(getMockedCubeContext(false), "test",
                answeringParts);
        validateSingle(whereClause, null);

        answeringParts = new LinkedHashSet<>();
        answeringParts.add(new FactPartition("dt", getDateWithOffset(DAILY, -1), DAILY, null, DB_FORMAT));
        whereClause = getTimerangeWriter().getTimeRangeWhereClause(getMockedCubeContext(false), "test",
                answeringParts);
        validateSingle(whereClause, DB_FORMAT);

    }

}