| /** |
| * 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.oodt.xmlps.queryparser; |
| |
| //APACHE imports |
| import org.apache.oodt.xmlps.mapping.Mapping; |
| import org.apache.oodt.xmlps.mapping.MappingField; |
| import org.apache.oodt.xmlps.queryparser.Expression; |
| import org.apache.oodt.xmlps.queryparser.HandlerQueryParser; |
| import org.apache.oodt.xmlps.util.XMLQueryHelper; |
| import org.apache.oodt.xmlquery.QueryElement; |
| import org.apache.oodt.xmlquery.XMLQuery; |
| |
| //JDK imports |
| import java.util.List; |
| import java.util.Stack; |
| |
| //Junit imports |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests the XMLPS query handler parser. |
| */ |
| public class TestHandlerQueryParser extends TestCase { |
| |
| public TestHandlerQueryParser() { |
| } |
| |
| public void testParseQuery() { |
| String queryStr = "A = B AND C = D"; |
| String expected = "(C = D AND A = B)"; |
| |
| XMLQuery query = XMLQueryHelper.getDefaultQueryFromQueryString(queryStr); |
| assertNotNull(query); |
| Stack<QueryElement> queryStack = HandlerQueryParser.createQueryStack(query |
| .getWhereElementSet()); |
| assertNotNull(queryStack); |
| Expression parsedQuery = HandlerQueryParser.parse(queryStack); |
| assertNotNull(parsedQuery); |
| assertEquals(expected, parsedQuery.evaluate()); |
| } |
| |
| public void testParseWildcardWithMapping(){ |
| String queryStr = "bar LIKE 'FOO'"; |
| String expected = "bar LIKE '%FOO%'"; |
| Mapping mapping = new Mapping(); |
| MappingField mf = new MappingField(); |
| mf.setDbName("bar"); |
| mf.setName("foo"); |
| mf.setString(true); |
| mapping.addField("foo", mf); |
| |
| XMLQuery query = XMLQueryHelper.getDefaultQueryFromQueryString(queryStr); |
| assertNotNull(query); |
| Stack<QueryElement> queryStack = HandlerQueryParser.createQueryStack(query |
| .getWhereElementSet()); |
| assertNotNull(queryStack); |
| Expression parsedQuery = HandlerQueryParser.parse(queryStack, mapping); |
| assertNotNull(parsedQuery); |
| assertEquals(expected, parsedQuery.evaluate()); |
| } |
| |
| private Mapping createFooBarMapping() { |
| Mapping m = new Mapping(); |
| MappingField foof = new MappingField(); |
| foof.setName("foo"); |
| foof.setDbName("foo"); |
| foof.setString(true); |
| MappingField barf = new MappingField(); |
| barf.setName("bar"); |
| barf.setDbName("bar"); |
| barf.setString(true); |
| m.addField("foo", foof); |
| m.addField("bar", barf); |
| return m; |
| } |
| |
| public void testParseLiteralQuotesWithParen() { |
| Mapping m = createFooBarMapping(); |
| |
| String q = "(foo = 'yes' OR bar = 'no') AND RETURN = foo AND RETURN = bar"; |
| String expected = "(bar = 'no' OR foo = 'yes')"; |
| |
| XMLQuery query = XMLQueryHelper.getDefaultQueryFromQueryString(q); |
| assertNotNull(query); |
| Stack<QueryElement> where = HandlerQueryParser.createQueryStack(query.getWhereElementSet()); |
| assertNotNull(where); |
| List<QueryElement> select = query.getSelectElementSet(); |
| assertNotNull(select); |
| |
| Expression parsed = HandlerQueryParser.parse(where, m); |
| assertNotNull(parsed); |
| assertEquals(expected, parsed.evaluate()); |
| } |
| |
| } |