org.apache.solr.client.solrj.io.stream.eval.AddEvaluatorTest.java Source code

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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.solr.client.solrj.io.stream.eval;

import java.io.IOException;
import java.util.Map;

import junit.framework.Assert;

import org.apache.commons.collections.map.HashedMap;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.solr.client.solrj.io.Tuple;
import org.apache.solr.client.solrj.io.eval.AddEvaluator;
import org.apache.solr.client.solrj.io.eval.StreamEvaluator;
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
import org.junit.Test;

public class AddEvaluatorTest extends LuceneTestCase {

    StreamFactory factory;
    Map<String, Object> values;

    public AddEvaluatorTest() {
        super();

        factory = new StreamFactory().withFunctionName("add", AddEvaluator.class);
        values = new HashedMap();
    }

    @Test
    public void addTwoFieldsWithValues() throws Exception {
        StreamEvaluator evaluator = factory.constructEvaluator("add(a,b)");
        Object result;

        values.clear();
        values.put("a", 1);
        values.put("b", 2);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Long);
        Assert.assertEquals(3L, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(3.1D, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2.1);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(3.2D, result);
    }

    @Test(expected = IOException.class)
    public void addOneField() throws Exception {
        factory.constructEvaluator("add(a)");
    }

    @Test
    public void addTwoFieldWithNulls() throws Exception {
        StreamEvaluator evaluator = factory.constructEvaluator("add(a,b)");
        Object result;

        values.clear();
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertNull(result);
    }

    @Test
    public void addTwoFieldsWithNull() throws Exception {
        StreamEvaluator evaluator = factory.constructEvaluator("add(a,b)");
        Object result;

        values.clear();
        values.put("a", 1);
        values.put("b", null);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertNull(result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", null);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertNull(result);

        values.clear();
        values.put("a", null);
        values.put("b", 1.1);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertNull(result);
    }

    @Test
    public void addTwoFieldsWithMissingField() throws Exception {
        StreamEvaluator evaluator = factory.constructEvaluator("add(a,b)");
        Object result;

        values.clear();
        values.put("a", 1);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertNull(result);

        values.clear();
        values.put("a", 1.1);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertNull(result);

        values.clear();
        values.put("b", 1.1);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertNull(result);
    }

    @Test
    public void addManyFieldsWithValues() throws Exception {
        StreamEvaluator evaluator = factory.constructEvaluator("add(a,b,c,d)");
        Object result;

        values.clear();
        values.put("a", 1);
        values.put("b", 2);
        values.put("c", 3);
        values.put("d", 4);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Long);
        Assert.assertEquals(10L, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2);
        values.put("c", 3);
        values.put("d", 4);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(10.1D, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2.1);
        values.put("c", 3.1);
        values.put("d", 4.1);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(10.4D, result);
    }

    @Test
    public void addManyFieldsWithSubAdds() throws Exception {
        StreamEvaluator evaluator = factory.constructEvaluator("add(a,b,add(c,d))");
        Object result;

        values.clear();
        values.put("a", 1);
        values.put("b", 2);
        values.put("c", 3);
        values.put("d", 4);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Long);
        Assert.assertEquals(10L, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2);
        values.put("c", 3);
        values.put("d", 4);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(10.1D, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2.1);
        values.put("c", 3.1);
        values.put("d", 4.1);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(10.4D, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2.1);
        values.put("c", 3.1);
        values.put("d", 4.123456789123456);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(10.423456789123456, result);

        values.clear();
        values.put("a", 123456789123456789L);
        values.put("b", 123456789123456789L);
        values.put("c", 123456789123456789L);
        values.put("d", 123456789123456789L);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Long);
        Assert.assertEquals(4 * 123456789123456789L, result);
    }

    @Test
    public void addManyFieldsWithManySubAdds() throws Exception {
        StreamEvaluator evaluator = factory.constructEvaluator("add(add(a,b),add(c,d),add(c,a))");
        Object result;

        values.clear();
        values.put("a", 1);
        values.put("b", 2);
        values.put("c", 3);
        values.put("d", 4);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Long);
        Assert.assertEquals(14L, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2);
        values.put("c", 3);
        values.put("d", 4);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(14.2D, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2.1);
        values.put("c", 3.1);
        values.put("d", 4.1);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(14.6D, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2.1);
        values.put("c", 3.1);
        values.put("d", 4.123456789123456);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(14.623456789123456, result);

        values.clear();
        values.put("a", 123456789123456789L);
        values.put("b", 123456789123456789L);
        values.put("c", 123456789123456789L);
        values.put("d", 123456789123456789L);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Long);
        Assert.assertEquals(6 * 123456789123456789L, result);

        values.clear();
        values.put("a", 4.123456789123456);
        values.put("b", 4.123456789123456);
        values.put("c", 4.123456789123456);
        values.put("d", 4.123456789123456);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(6 * 4.123456789123456, result);
    }

    @Test
    public void addManyFieldsWithManySubAddsWithNegative() throws Exception {
        StreamEvaluator evaluator = factory.constructEvaluator("add(add(a,b),add(c,d),add(c,a))");
        Object result;

        values.clear();
        values.put("a", -1);
        values.put("b", 2);
        values.put("c", 3);
        values.put("d", 4);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Long);
        Assert.assertEquals(10L, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2);
        values.put("c", -3);
        values.put("d", 4);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(2.2D, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2.1);
        values.put("c", -3.1);
        values.put("d", 4.1);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(2.2D, result);

        values.clear();
        values.put("a", 1.1);
        values.put("b", 2.1);
        values.put("c", -3.1);
        values.put("d", 5.223456789123456);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(3.323456789123456, result);

        values.clear();
        values.put("a", 123456789123456789L);
        values.put("b", -123456789123456789L);
        values.put("c", 123456789123456789L);
        values.put("d", 123456789123456789L);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Long);
        Assert.assertEquals(4 * 123456789123456789L, result);

        values.clear();
        values.put("a", -4.123456789123456);
        values.put("b", -4.123456789123456);
        values.put("c", -4.123456789123456);
        values.put("d", -4.123456789123456);
        result = evaluator.evaluate(new Tuple(values));
        Assert.assertTrue(result instanceof Double);
        Assert.assertEquals(6 * -4.123456789123456, result);
    }

}