| /** |
| * 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.camel.component.jdbc; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.Exchange; |
| import org.junit.Test; |
| |
| /** |
| * Tests that key ordering for the Maps (rows) is preserved. |
| * @version |
| */ |
| public class JdbcRouteKeyOrderingTest extends JdbcRouteTest { |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void testJdbcRoutes() throws Exception { |
| // first we create our exchange using the endpoint |
| Endpoint endpoint = context.getEndpoint("direct:hello"); |
| |
| // repeat the test often enough to make sure preserved ordering is not a fluke |
| for (int i = 0; i < 10; i++) { |
| Exchange exchange = endpoint.createExchange(); |
| // then we set the SQL on the in body |
| exchange.getIn().setBody("select * from customer order by ID"); |
| |
| // now we send the exchange to the endpoint, and receives the response from Camel |
| Exchange out = template.send(endpoint, exchange); |
| |
| // assertions of the response |
| assertNotNull(out); |
| assertNotNull(out.getOut()); |
| List<Map<String, Object>> rowList = out.getOut().getBody(List.class); |
| assertNotNull("out body could not be converted to an ArrayList - was: " |
| + out.getOut().getBody(), rowList); |
| assertEquals(2, rowList.size()); |
| |
| Map<String, Object> row = rowList.get(0); |
| assertTrue("ordering not preserved " + row.keySet(), isOrdered(row.keySet())); |
| |
| row = rowList.get(1); |
| assertTrue("ordering not preserved " + row.keySet(), isOrdered(row.keySet())); |
| } |
| } |
| |
| |
| /** |
| * @param keySet (should have 2 items "ID" & "NAME") |
| * @return true if "ID" comes before "NAME", false otherwise |
| */ |
| private static boolean isOrdered(Set<String> keySet) { |
| final String msg = "isOrdered() relies on \"ID\" & \"NAME\" being the only two fields"; |
| assertTrue(msg, keySet.contains("ID")); |
| assertTrue(msg, keySet.contains("NAME")); |
| assertEquals(msg, 2, keySet.size()); |
| |
| final Iterator<String> iter = keySet.iterator(); |
| return "ID".equals(iter.next()) && "NAME".equals(iter.next()); |
| } |
| } |