ramu11 commented on code in PR #27314: URL: https://github.com/apache/camel/pull/27314#discussion_r4215326904
########## components/camel-hibernate/src/test/java/org/apache/camel/component/hibernate/HibernateBootstrapTest.java: ########## @@ -0,0 +1,1286 @@ +/* + * 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.hibernate; + +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.stream.Stream; + +import org.apache.camel.Consumer; +import org.apache.camel.Exchange; +import org.apache.camel.Processor; +import org.apache.camel.Route; +import org.apache.camel.builder.RouteBuilder; +import org.apache.camel.component.hibernate.entity.HibernateTestEntity; +import org.apache.camel.impl.DefaultCamelContext; +import org.apache.camel.impl.engine.DefaultUnitOfWork; +import org.apache.camel.test.junit6.CamelTestSupport; +import org.h2.jdbcx.JdbcDataSource; +import org.hibernate.Filter; +import org.hibernate.LockMode; +import org.hibernate.Session; +import org.hibernate.SessionBuilder; +import org.hibernate.SessionFactory; +import org.hibernate.Timeouts; +import org.hibernate.Transaction; +import org.hibernate.engine.spi.SessionFactoryImplementor; +import org.hibernate.query.MutationQuery; +import org.hibernate.query.SelectionQuery; +import org.hibernate.resource.transaction.spi.TransactionCoordinatorBuilder; +import org.hibernate.service.spi.ServiceRegistryImplementor; +import org.junit.jupiter.api.Test; +import org.mockito.Mockito; + +import static org.junit.jupiter.api.Assertions.assertDoesNotThrow; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertFalse; +import static org.junit.jupiter.api.Assertions.assertInstanceOf; +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertNull; +import static org.junit.jupiter.api.Assertions.assertSame; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.junit.jupiter.api.Assertions.assertTrue; + +public class HibernateBootstrapTest extends CamelTestSupport { + + @Test + public void testExplicitSessionFactoryReuseAndNoClose() throws Exception { + SessionFactory mockSf = Mockito.mock(SessionFactory.class); + + HibernateComponent comp = new HibernateComponent(); + comp.setCamelContext(context); + comp.setSessionFactory(mockSf); + comp.start(); + + assertSame(mockSf, comp.getSessionFactory()); + comp.stop(); + + Mockito.verify(mockSf, Mockito.never()).close(); + } + + @Test + public void testRegistrySessionFactoryReuseAndNoClose() throws Exception { + SessionFactory mockSf = Mockito.mock(SessionFactory.class); + context.getRegistry().bind("registrySf", mockSf); + + HibernateComponent comp = new HibernateComponent(); + comp.setCamelContext(context); + comp.start(); + + assertSame(mockSf, comp.getSessionFactory()); + comp.stop(); + + Mockito.verify(mockSf, Mockito.never()).close(); + } + + @Test + public void testComponentCreatedSessionFactoryClosesOnStop() throws Exception { + HibernateComponent comp = createComponent("testDs", "jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1"); + + SessionFactory sf = comp.getSessionFactory(); + assertNotNull(sf); + assertFalse(sf.isClosed()); + + comp.stop(); + assertTrue(sf.isClosed()); + } + + @Test + public void testInvalidDataSourceRegistryNameFails() { + HibernateComponent comp = new HibernateComponent(); + comp.setCamelContext(context); + comp.setDataSource("nonExistentDs"); + + Exception ex = assertThrows(Exception.class, comp::start); + assertTrue(ex.getMessage().contains("DataSource bean with name 'nonExistentDs' could not be found")); + } + + @Test + public void testInvalidSchemaActionFails() { + HibernateComponent comp = new HibernateComponent(); + comp.setCamelContext(context); + comp.setSchemaAction("invalid-action"); + + Exception ex = assertThrows(Exception.class, comp::start); + assertTrue(ex.getMessage().contains("Invalid schemaAction")); + } + + @Test + public void testSelectionQueryProducer() throws Exception { + HibernateComponent comp = createComponent( + "selectionDs", + "jdbc:h2:mem:selectiondb;DB_CLOSE_DELAY=-1", + HibernateTestEntity.class); + + HibernateEndpoint endpoint = new HibernateEndpoint(); + endpoint.setCamelContext(context); + endpoint.setSessionFactory(comp.getSessionFactory()); + endpoint.setEntityClassName(HibernateTestEntity.class.getName()); + endpoint.setSelectionQuery("from HibernateTestEntity"); + + endpoint.start(); + + Exchange exchange = context.getEndpoint("direct:test").createExchange(); + exchange.getMessage().setHeader(HibernateConstants.HIBERNATE_PARAMETERS, Map.of()); + + try (HibernateProducer producer = new HibernateProducer(endpoint)) { + producer.process(exchange); + } + + assertNotNull(exchange.getMessage().getBody()); + assertTrue(exchange.getMessage().getBody() instanceof java.util.List); + assertTrue(((java.util.List<?>) exchange.getMessage().getBody()).isEmpty()); + + endpoint.stop(); + comp.stop(); + } + + @Test + public void testMutationQueryProducer() throws Exception { + HibernateComponent comp = createComponent( + "mutationDs", + "jdbc:h2:mem:mutationdb;DB_CLOSE_DELAY=-1", + HibernateTestEntity.class); + + HibernateEndpoint endpoint = new HibernateEndpoint(); + endpoint.setCamelContext(context); + endpoint.setSessionFactory(comp.getSessionFactory()); + endpoint.setEntityClassName(HibernateTestEntity.class.getName()); + endpoint.setMutationQuery("delete from HibernateTestEntity"); + + endpoint.start(); + + Exchange exchange = context.getEndpoint("direct:test").createExchange(); + exchange.getMessage().setHeader(HibernateConstants.HIBERNATE_PARAMETERS, Map.of()); + + try (HibernateProducer producer = new HibernateProducer(endpoint)) { + producer.process(exchange); + } + + assertEquals(0, exchange.getMessage().getBody()); + + endpoint.stop(); + comp.stop(); + } + + @Test + public void testSchemaActionsAcceptedValues() { + String[] actions = { "none", "validate", "update", "create" }; + for (String action : actions) { + HibernateComponent comp = new HibernateComponent(); + comp.setSchemaAction(action); + assertEquals(action, comp.getSchemaAction()); + } + } + + @Test + public void testExplicitEntityClassesBootstrap() throws Exception { + HibernateComponent comp = createComponent( + "entityDs", + "jdbc:h2:mem:entitydb;DB_CLOSE_DELAY=-1", + HibernateTestEntity.class); + + SessionFactory sf = comp.getSessionFactory(); + assertNotNull(sf); + assertNotNull(sf.getMetamodel().entity(HibernateTestEntity.class)); + + comp.stop(); + } + + @Test + public void testSelectionQueryProducerReadOnly() throws Exception { + HibernateComponent comp = createComponent( + "readOnlyDs", + "jdbc:h2:mem:readonlydb;DB_CLOSE_DELAY=-1", + HibernateTestEntity.class); + + HibernateEndpoint endpoint = new HibernateEndpoint(); + endpoint.setCamelContext(context); + endpoint.setSessionFactory(comp.getSessionFactory()); + endpoint.setEntityClassName(HibernateTestEntity.class.getName()); + endpoint.setSelectionQuery("from HibernateTestEntity"); + endpoint.setReadOnly(true); + + endpoint.start(); + + assertTrue(endpoint.isReadOnly()); + + Exchange exchange = context.getEndpoint("direct:test").createExchange(); + exchange.getMessage().setHeader(HibernateConstants.HIBERNATE_PARAMETERS, Map.of()); + + try (HibernateProducer producer = new HibernateProducer(endpoint)) { + producer.process(exchange); + } + + assertNotNull(exchange.getMessage().getBody()); + assertTrue(exchange.getMessage().getBody() instanceof java.util.List); + + endpoint.stop(); + comp.stop(); + } + + @Test + public void testNaturalIdLookupProducer() throws Exception { + HibernateComponent comp = createComponent( + "naturalIdDs", + "jdbc:h2:mem:naturaliddb;DB_CLOSE_DELAY=-1", + HibernateTestEntity.class); + + Session session = comp.getSessionFactory().openSession(); + Transaction transaction = session.beginTransaction(); + + HibernateTestEntity entity = new HibernateTestEntity(); + entity.setId(1L); + entity.setName("test"); + session.persist(entity); + + transaction.commit(); + session.close(); + + HibernateEndpoint endpoint = new HibernateEndpoint(); + endpoint.setCamelContext(context); + endpoint.setSessionFactory(comp.getSessionFactory()); + endpoint.setEntityClassName(HibernateTestEntity.class.getName()); + endpoint.setNaturalIdParameters(Map.of("name", "test")); + + endpoint.start(); + + Exchange exchange = context.getEndpoint("direct:test").createExchange(); + + try (HibernateProducer producer = new HibernateProducer(endpoint)) { + producer.process(exchange); + } + + HibernateTestEntity result = exchange.getMessage().getBody(HibernateTestEntity.class); + + assertNotNull(result); + assertEquals(1L, result.getId()); + assertEquals("test", result.getName()); + + endpoint.stop(); + comp.stop(); + } + + @Test + public void testNaturalIdPrefixUriBinding() throws Exception { + HibernateComponent comp = createComponent( + "naturalIdPrefixDs", + "jdbc:h2:mem:naturalidprefixdb;DB_CLOSE_DELAY=-1", + HibernateTestEntity.class); + + HibernateEndpoint endpoint = (HibernateEndpoint) comp.createEndpoint( + "hibernate:" + HibernateTestEntity.class.getName() + "?naturalId.name=test"); + + assertEquals(Map.of("name", "test"), endpoint.getNaturalIdParameters()); + + comp.stop(); + } + + @Test + public void testNaturalIdBeanParameter() throws Exception { + HibernateComponent comp = createComponent( + "naturalIdBeanDs", + "jdbc:h2:mem:naturalidbeandb;DB_CLOSE_DELAY=-1", + HibernateTestEntity.class); + + context.getRegistry().bind("naturalIdMap", Map.of("name", "test")); + + HibernateEndpoint endpoint = (HibernateEndpoint) comp.createEndpoint( + "hibernate:" + HibernateTestEntity.class.getName() + "?naturalIdParameters=#naturalIdMap"); + + assertEquals(Map.of("name", "test"), endpoint.getNaturalIdParameters()); + + comp.stop(); + } + + @Test + public void testNaturalIdLookupFromMessageHeader() throws Exception { + HibernateComponent comp = createComponent( + "naturalIdHeaderDs", + "jdbc:h2:mem:naturalidheaderdb;DB_CLOSE_DELAY=-1", + HibernateTestEntity.class); + + Session session = comp.getSessionFactory().openSession(); + Transaction transaction = session.beginTransaction(); + + HibernateTestEntity entity = new HibernateTestEntity(); + entity.setId(1L); + entity.setName("test"); + session.persist(entity); + + transaction.commit(); + session.close(); + + HibernateEndpoint endpoint = new HibernateEndpoint(); + endpoint.setCamelContext(context); + endpoint.setSessionFactory(comp.getSessionFactory()); + endpoint.setEntityClassName(HibernateTestEntity.class.getName()); + endpoint.setNaturalIdParameters(Map.of("name", "${header.lookupName}")); + + endpoint.start(); + + Exchange exchange = context.getEndpoint("direct:test").createExchange(); + exchange.getMessage().setHeader("lookupName", "test"); + + try (HibernateProducer producer = new HibernateProducer(endpoint)) { + producer.process(exchange); + } + + HibernateTestEntity result = exchange.getMessage().getBody(HibernateTestEntity.class); + + assertNotNull(result); + assertEquals(1L, result.getId()); + assertEquals("test", result.getName()); + + endpoint.stop(); + comp.stop(); + } + + @Test + public void testSelectionQueryWithFilter() throws Exception { + HibernateComponent comp = createComponent( + "filterDs", + "jdbc:h2:mem:filterdb;DB_CLOSE_DELAY=-1", + HibernateTestEntity.class); + + Session session = comp.getSessionFactory().openSession(); + Transaction transaction = session.beginTransaction(); + + HibernateTestEntity first = new HibernateTestEntity(); + first.setId(1L); + first.setName("test"); + + HibernateTestEntity second = new HibernateTestEntity(); + second.setId(2L); + second.setName("other"); + + session.persist(first); + session.persist(second); + + transaction.commit(); + session.close(); + + HibernateEndpoint endpoint = new HibernateEndpoint(); + endpoint.setCamelContext(context); + endpoint.setSessionFactory(comp.getSessionFactory()); + endpoint.setEntityClassName(HibernateTestEntity.class.getName()); + endpoint.setSelectionQuery("from HibernateTestEntity"); + endpoint.setFilters(Map.of("nameFilter", Map.of("name", "test"))); + + endpoint.start(); + + Exchange exchange = context.getEndpoint("direct:test").createExchange(); + + try (HibernateProducer producer = new HibernateProducer(endpoint)) { + producer.process(exchange); + } + + java.util.List<?> results = exchange.getMessage().getBody(java.util.List.class); 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