| /* |
| * 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.mongodb; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import com.mongodb.client.MongoIterable; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.bson.Document; |
| import org.junit.jupiter.api.Test; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| import static org.apache.camel.test.junit5.TestSupport.assertListSize; |
| |
| public class MongoDbAggregateOperationTest extends AbstractMongoDbTest { |
| |
| |
| @Test |
| public void testAggregate() throws Exception { |
| // Test that the collection has 0 documents in it |
| assertEquals(0, testCollection.countDocuments()); |
| pumpDataIntoTestCollection(); |
| |
| // result sorted by _id |
| Object result = template |
| .requestBody("direct:aggregate", |
| "[{ $match : {$or : [{\"scientist\" : \"Darwin\"},{\"scientist\" : \"Einstein\"}]}}," |
| + "{ $group: { _id: \"$scientist\", count: { $sum: 1 }} },{ $sort : { _id : 1}} ]"); |
| |
| assertTrue(result instanceof List, "Result is not of type List"); |
| |
| @SuppressWarnings("unchecked") |
| List<Document> resultList = (List<Document>) result; |
| assertListSize("Result does not contain 2 elements", resultList, 2); |
| |
| assertEquals("Darwin", resultList.get(0).get("_id"), "First result Document._id should be Darwin"); |
| assertEquals(100, resultList.get(0).get("count"), "First result Document.count should be 100"); |
| assertEquals("Einstein", resultList.get(1).get("_id"), "Second result Document._id should be Einstein"); |
| assertEquals(100, resultList.get(1).get("count"), "Second result Document.count should be 100"); |
| } |
| |
| @Test |
| public void testAggregateDBCursor() { |
| // Test that the collection has 0 documents in it |
| assertEquals(0, testCollection.countDocuments()); |
| pumpDataIntoTestCollection(); |
| |
| Object result = template |
| .requestBody("direct:aggregateDBCursor", |
| "[{ $match : {$or : [{\"scientist\" : \"Darwin\"},{\"scientist\" : \"Einstein\"}]}}]"); |
| |
| assertTrue(result instanceof MongoIterable, "Result is not of type DBCursor"); |
| |
| MongoIterable<Document> resultCursor = (MongoIterable<Document>) result; |
| // Ensure that all returned documents contain all fields |
| int count = 0; |
| for (Document document : resultCursor) { |
| assertNotNull(document.get("_id"), "Document in returned list should contain all fields"); |
| assertNotNull(document.get("scientist"), "Document in returned list should contain all fields"); |
| assertNotNull(document.get("fixedField"), "Document in returned list should contain all fields"); |
| count++; |
| } |
| assertEquals(200, count, "Result does not contain 200 elements"); |
| } |
| |
| @Test |
| public void testAggregateWithOptions() { |
| // Test that the collection has 0 documents in it |
| assertEquals(0, testCollection.countDocuments()); |
| pumpDataIntoTestCollection(); |
| |
| Map<String, Object> options = new HashMap<>(); |
| options.put(MongoDbConstants.BATCH_SIZE, 10); |
| options.put(MongoDbConstants.ALLOW_DISK_USE, true); |
| |
| Object result = template |
| .requestBodyAndHeaders("direct:aggregateDBCursor", |
| "[{ $match : {$or : [{\"scientist\" : \"Darwin\"},{\"scientist\" : \"Einstein\"}]}}]", options); |
| |
| assertTrue(result instanceof MongoIterable, "Result is not of type DBCursor"); |
| |
| MongoIterable<Document> resultCursor = (MongoIterable<Document>) result; |
| |
| // Ensure that all returned documents contain all fields |
| int count = 0; |
| for (Document document : resultCursor) { |
| assertNotNull(document.get("_id"), "Document in returned list should contain all fields"); |
| assertNotNull(document.get("scientist"), "Document in returned list should contain all fields"); |
| assertNotNull(document.get("fixedField"), "Document in returned list should contain all fields"); |
| count++; |
| } |
| assertEquals(200, count, "Result does not contain 200 elements"); |
| } |
| |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| public void configure() { |
| from("direct:aggregate") |
| .to("mongodb:myDb?database={{mongodb.testDb}}&collection={{mongodb.testCollection}}&operation=aggregate"); |
| from("direct:aggregateDBCursor") |
| .to("mongodb:myDb?database={{mongodb.testDb}}&collection={{mongodb.testCollection}}&operation=aggregate&dynamicity=true&outputType=MongoIterable") |
| .to("mock:resultAggregateDBCursor"); |
| } |
| }; |
| } |
| } |