org.apache.solr.client.solrj.io.stream.ops.ConcatOperationTest.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.ops;

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.ops.ConcatOperation;
import org.apache.solr.client.solrj.io.ops.StreamOperation;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParser;
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
import org.junit.Test;

/**
 **/

public class ConcatOperationTest extends LuceneTestCase {

    StreamFactory factory;
    Map<String, Object> values;

    public ConcatOperationTest() {
        super();

        factory = new StreamFactory().withFunctionName("concat", ConcatOperation.class);
        values = new HashedMap();
    }

    @Test
    public void concatSingleField() throws Exception {
        Tuple tuple;
        StreamOperation operation;

        operation = new ConcatOperation(new String[] { "fieldA" }, "fieldAConcat", "-");

        values.clear();
        values.put("fieldA", "bar");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldAConcat"));
        Assert.assertEquals("bar", tuple.get("fieldAConcat"));
    }

    @Test
    public void concatMultipleFields() throws Exception {
        Tuple tuple;
        StreamOperation operation;

        operation = new ConcatOperation(new String[] { "fieldA", "fieldB" }, "fieldABConcat", "-");
        values.clear();
        values.put("fieldA", "bar");
        values.put("fieldB", "baz");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldB"));
        Assert.assertEquals("baz", tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("bar-baz", tuple.get("fieldABConcat"));

        // do the same in oposite order
        operation = new ConcatOperation(new String[] { "fieldB", "fieldA" }, "fieldABConcat", "-");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldB"));
        Assert.assertEquals("baz", tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("baz-bar", tuple.get("fieldABConcat"));
    }

    @Test
    public void concatMultipleFieldsWithIgnoredFields() throws Exception {
        Tuple tuple;
        StreamOperation operation;

        operation = new ConcatOperation(new String[] { "fieldA", "fieldB" }, "fieldABConcat", "-");
        values.clear();
        values.put("fieldA", "bar");
        values.put("fieldB", "baz");
        values.put("fieldC", "bab");
        values.put("fieldD", "bat");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldB"));
        Assert.assertEquals("baz", tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldC"));
        Assert.assertEquals("bab", tuple.get("fieldC"));

        Assert.assertNotNull(tuple.get("fieldD"));
        Assert.assertEquals("bat", tuple.get("fieldD"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("bar-baz", tuple.get("fieldABConcat"));

        // do the same in oposite order
        operation = new ConcatOperation(new String[] { "fieldB", "fieldA" }, "fieldABConcat", "-");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldB"));
        Assert.assertEquals("baz", tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("baz-bar", tuple.get("fieldABConcat"));
    }

    @Test
    public void concatWithNullValues() throws Exception {
        Tuple tuple;
        StreamOperation operation;

        operation = new ConcatOperation(new String[] { "fieldA", "fieldB" }, "fieldABConcat", "-");
        values.clear();
        values.put("fieldA", "bar");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNull(tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("bar-null", tuple.get("fieldABConcat"));

    }

    ///////////////////////////
    @Test
    public void concatSingleFieldExpression() throws Exception {
        Tuple tuple;
        StreamOperation operation;

        operation = new ConcatOperation(
                StreamExpressionParser.parse("concat(fields=\"fieldA\", as=\"fieldAConcat\", delim=\"-\")"),
                factory);

        values.clear();
        values.put("fieldA", "bar");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldAConcat"));
        Assert.assertEquals("bar", tuple.get("fieldAConcat"));
    }

    @Test
    public void concatMultipleFieldsExpression() throws Exception {
        Tuple tuple;
        StreamOperation operation;

        operation = new ConcatOperation(
                StreamExpressionParser.parse("concat(fields=\"fieldA,fieldB\", as=\"fieldABConcat\", delim=\"-\")"),
                factory);
        values.clear();
        values.put("fieldA", "bar");
        values.put("fieldB", "baz");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldB"));
        Assert.assertEquals("baz", tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("bar-baz", tuple.get("fieldABConcat"));

        // do the same in oposite order
        operation = new ConcatOperation(
                StreamExpressionParser.parse("concat(fields=\"fieldB,fieldA\", as=\"fieldABConcat\", delim=\"-\")"),
                factory);
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldB"));
        Assert.assertEquals("baz", tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("baz-bar", tuple.get("fieldABConcat"));
    }

    @Test
    public void concatMultipleFieldsWithIgnoredFieldsExpression() throws Exception {
        Tuple tuple;
        StreamOperation operation;

        operation = new ConcatOperation(
                StreamExpressionParser.parse("concat(fields=\"fieldA,fieldB\", as=\"fieldABConcat\", delim=\"-\")"),
                factory);
        values.clear();
        values.put("fieldA", "bar");
        values.put("fieldB", "baz");
        values.put("fieldC", "bab");
        values.put("fieldD", "bat");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldB"));
        Assert.assertEquals("baz", tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldC"));
        Assert.assertEquals("bab", tuple.get("fieldC"));

        Assert.assertNotNull(tuple.get("fieldD"));
        Assert.assertEquals("bat", tuple.get("fieldD"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("bar-baz", tuple.get("fieldABConcat"));

        // do the same in oposite order
        operation = new ConcatOperation(
                StreamExpressionParser.parse("concat(fields=\"fieldB,fieldA\", as=\"fieldABConcat\", delim=\"-\")"),
                factory);
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNotNull(tuple.get("fieldB"));
        Assert.assertEquals("baz", tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("baz-bar", tuple.get("fieldABConcat"));
    }

    @Test
    public void concatWithNullValuesExpression() throws Exception {
        Tuple tuple;
        StreamOperation operation;

        operation = new ConcatOperation(
                StreamExpressionParser.parse("concat(fields=\"fieldA,fieldB\", as=\"fieldABConcat\", delim=\"-\")"),
                factory);
        values.clear();
        values.put("fieldA", "bar");
        tuple = new Tuple(values);
        operation.operate(tuple);

        Assert.assertNotNull(tuple.get("fieldA"));
        Assert.assertEquals("bar", tuple.get("fieldA"));

        Assert.assertNull(tuple.get("fieldB"));

        Assert.assertNotNull(tuple.get("fieldABConcat"));
        Assert.assertEquals("bar-null", tuple.get("fieldABConcat"));

    }

}