| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for multitional 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.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.solr.SolrTestCase; |
| import org.apache.solr.client.solrj.io.Tuple; |
| import org.apache.solr.client.solrj.io.eval.CoalesceEvaluator; |
| import org.apache.solr.client.solrj.io.eval.StreamEvaluator; |
| import org.apache.solr.client.solrj.io.stream.expr.StreamFactory; |
| import org.junit.Test; |
| |
| import junit.framework.Assert; |
| |
| public class CoalesceEvaluatorTest extends SolrTestCase { |
| |
| StreamFactory factory; |
| Map<String, Object> values; |
| |
| public CoalesceEvaluatorTest() { |
| super(); |
| |
| factory = new StreamFactory() |
| .withFunctionName("coalesce", CoalesceEvaluator.class); |
| values = new HashMap<String,Object>(); |
| } |
| /* |
| @Test(expected = IOException.class) |
| public void twoFieldsWithMissingField() throws Exception{ |
| StreamEvaluator evaluator = factory.constructEvaluator("coalesce(a,b)"); |
| Object result; |
| |
| values.clear(); |
| values.put("a", null); |
| values.put("b", 2); |
| result = evaluator.evaluate(new Tuple(values)); |
| Assert.assertEquals(2L, result); |
| |
| values.clear(); |
| values.put("a", 1.1); |
| values.put("b", null); |
| result = evaluator.evaluate(new Tuple(values)); |
| Assert.assertEquals(1.1D, result); |
| |
| values.clear(); |
| values.put("a", "foo"); |
| values.put("b", 2.1); |
| result = evaluator.evaluate(new Tuple(values)); |
| Assert.assertEquals("foo", result); |
| |
| values.clear(); |
| values.put("a", true); |
| values.put("b", 2.1); |
| result = evaluator.evaluate(new Tuple(values)); |
| Assert.assertEquals(true, result); |
| |
| |
| values.clear(); |
| values.put("a", null); |
| values.put("b", false); |
| result = evaluator.evaluate(new Tuple(values)); |
| Assert.assertEquals(false, result); |
| |
| values.clear(); |
| values.put("a", null); |
| values.put("b", null); |
| result = evaluator.evaluate(new Tuple(values)); |
| Assert.assertNull(result); |
| } |
| |
| |
| @Test(expected = IOException.class) |
| public void twoFieldsWithValues() throws Exception{ |
| StreamEvaluator evaluator = factory.constructEvaluator("coalesce(a,b)"); |
| Object result; |
| |
| values.clear(); |
| result = evaluator.evaluate(new Tuple(values)); |
| Assert.assertNull(result); |
| } |
| */ |
| |
| @Test |
| public void manyFieldsWithSubcoalesces() throws Exception{ |
| StreamEvaluator evaluator = factory.constructEvaluator("coalesce(a,b,coalesce(c,d))"); |
| Object result; |
| |
| values.clear(); |
| values.put("a", 1); |
| values.put("b", null); |
| values.put("c", null); |
| values.put("d", 4); |
| result = evaluator.evaluate(new Tuple(values)); |
| Assert.assertEquals(1D, result); |
| } |
| } |