spring JndiJtaTransactionManagerTests 源码

spring JndiJtaTransactionManagerTests 代码

文件路径：/spring-tx/src/test/java/org/springframework/transaction/JndiJtaTransactionManagerTests.java

/*
 * Copyright 2002-2021 the original author or authors.
 *
 * Licensed 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
 *
 *      https://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.springframework.transaction;

import jakarta.transaction.Status;
import jakarta.transaction.TransactionManager;
import jakarta.transaction.UserTransaction;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;

import org.springframework.context.testfixture.jndi.ExpectedLookupTemplate;
import org.springframework.transaction.jta.JtaTransactionManager;
import org.springframework.transaction.jta.UserTransactionAdapter;
import org.springframework.transaction.support.TransactionCallbackWithoutResult;
import org.springframework.transaction.support.TransactionSynchronizationManager;
import org.springframework.transaction.support.TransactionTemplate;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

/**
 * @author Juergen Hoeller
 * @since 05.08.2005
 */
public class JndiJtaTransactionManagerTests {

	@Test
	public void jtaTransactionManagerWithDefaultJndiLookups1() throws Exception {
		doTestJtaTransactionManagerWithDefaultJndiLookups("java:comp/TransactionManager", true, true);
	}

	@Test
	public void jtaTransactionManagerWithDefaultJndiLookups2() throws Exception {
		doTestJtaTransactionManagerWithDefaultJndiLookups("java:/TransactionManager", true, true);
	}

	@Test
	public void jtaTransactionManagerWithDefaultJndiLookupsAndNoTmFound() throws Exception {
		doTestJtaTransactionManagerWithDefaultJndiLookups("java:/tm", false, true);
	}

	@Test
	public void jtaTransactionManagerWithDefaultJndiLookupsAndNoUtFound() throws Exception {
		doTestJtaTransactionManagerWithDefaultJndiLookups("java:/TransactionManager", true, false);
	}

	private void doTestJtaTransactionManagerWithDefaultJndiLookups(String tmName, boolean tmFound, boolean defaultUt)
			throws Exception {

		UserTransaction ut = mock(UserTransaction.class);
		TransactionManager tm = mock(TransactionManager.class);
		if (defaultUt) {
			given(ut.getStatus()).willReturn(Status.STATUS_NO_TRANSACTION, Status.STATUS_ACTIVE, Status.STATUS_ACTIVE);
		}
		else {
			given(tm.getStatus()).willReturn(Status.STATUS_NO_TRANSACTION, Status.STATUS_ACTIVE, Status.STATUS_ACTIVE);
		}

		JtaTransactionManager ptm = new JtaTransactionManager();
		ExpectedLookupTemplate jndiTemplate = new ExpectedLookupTemplate();
		if (defaultUt) {
			jndiTemplate.addObject("java:comp/UserTransaction", ut);
		}
		jndiTemplate.addObject(tmName, tm);
		ptm.setJndiTemplate(jndiTemplate);
		ptm.afterPropertiesSet();

		if (tmFound) {
			assertThat(ptm.getTransactionManager()).isEqualTo(tm);
		}
		else {
			assertThat(ptm.getTransactionManager()).isNull();
		}

		if (defaultUt) {
			assertThat(ptm.getUserTransaction()).isEqualTo(ut);
		}
		else {
			boolean condition = ptm.getUserTransaction() instanceof UserTransactionAdapter;
			assertThat(condition).isTrue();
			UserTransactionAdapter uta = (UserTransactionAdapter) ptm.getUserTransaction();
			assertThat(uta.getTransactionManager()).isEqualTo(tm);
		}

		TransactionTemplate tt = new TransactionTemplate(ptm);
		boolean condition1 = !TransactionSynchronizationManager.isSynchronizationActive();
		assertThat(condition1).isTrue();
		assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();
		tt.execute(new TransactionCallbackWithoutResult() {
			@Override
			protected void doInTransactionWithoutResult(TransactionStatus status) {
				// something transactional
				assertThat(TransactionSynchronizationManager.isSynchronizationActive()).isTrue();
				assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();
			}
		});
		boolean condition = !TransactionSynchronizationManager.isSynchronizationActive();
		assertThat(condition).isTrue();
		assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();


		if (defaultUt) {
			verify(ut).begin();
			verify(ut).commit();
		}
		else {
			verify(tm).begin();
			verify(tm).commit();
		}

	}

	@Test
	public void jtaTransactionManagerWithCustomJndiLookups() throws Exception {
		UserTransaction ut = mock(UserTransaction.class);
		given(ut.getStatus()).willReturn(Status.STATUS_NO_TRANSACTION, Status.STATUS_ACTIVE, Status.STATUS_ACTIVE);

		TransactionManager tm = mock(TransactionManager.class);

		JtaTransactionManager ptm = new JtaTransactionManager();
		ptm.setUserTransactionName("jndi-ut");
		ptm.setTransactionManagerName("jndi-tm");
		ExpectedLookupTemplate jndiTemplate = new ExpectedLookupTemplate();
		jndiTemplate.addObject("jndi-ut", ut);
		jndiTemplate.addObject("jndi-tm", tm);
		ptm.setJndiTemplate(jndiTemplate);
		ptm.afterPropertiesSet();

		assertThat(ptm.getUserTransaction()).isEqualTo(ut);
		assertThat(ptm.getTransactionManager()).isEqualTo(tm);

		TransactionTemplate tt = new TransactionTemplate(ptm);
		boolean condition1 = !TransactionSynchronizationManager.isSynchronizationActive();
		assertThat(condition1).isTrue();
		assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();
		tt.execute(new TransactionCallbackWithoutResult() {
			@Override
			protected void doInTransactionWithoutResult(TransactionStatus status) {
				// something transactional
				assertThat(TransactionSynchronizationManager.isSynchronizationActive()).isTrue();
				assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();
			}
		});
		boolean condition = !TransactionSynchronizationManager.isSynchronizationActive();
		assertThat(condition).isTrue();
		assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();

		verify(ut).begin();
		verify(ut).commit();
	}

	@Test
	public void jtaTransactionManagerWithNotCacheUserTransaction() throws Exception {
		UserTransaction ut = mock(UserTransaction.class);
		given(ut.getStatus()).willReturn(Status.STATUS_NO_TRANSACTION, Status.STATUS_ACTIVE, Status.STATUS_ACTIVE);

		UserTransaction ut2 = mock(UserTransaction.class);
		given(ut2.getStatus()).willReturn(Status.STATUS_NO_TRANSACTION, Status.STATUS_ACTIVE, Status.STATUS_ACTIVE);

		JtaTransactionManager ptm = new JtaTransactionManager();
		ptm.setJndiTemplate(new ExpectedLookupTemplate("java:comp/UserTransaction", ut));
		ptm.setCacheUserTransaction(false);
		ptm.afterPropertiesSet();

		assertThat(ptm.getUserTransaction()).isEqualTo(ut);

		TransactionTemplate tt = new TransactionTemplate(ptm);
		assertThat(ptm.getTransactionSynchronization()).isEqualTo(JtaTransactionManager.SYNCHRONIZATION_ALWAYS);
		boolean condition1 = !TransactionSynchronizationManager.isSynchronizationActive();
		assertThat(condition1).isTrue();
		assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();
		tt.execute(new TransactionCallbackWithoutResult() {
			@Override
			protected void doInTransactionWithoutResult(TransactionStatus status) {
				// something transactional
				assertThat(TransactionSynchronizationManager.isSynchronizationActive()).isTrue();
				assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();
			}
		});

		ptm.setJndiTemplate(new ExpectedLookupTemplate("java:comp/UserTransaction", ut2));
		tt.execute(new TransactionCallbackWithoutResult() {
			@Override
			protected void doInTransactionWithoutResult(TransactionStatus status) {
				// something transactional
				assertThat(TransactionSynchronizationManager.isSynchronizationActive()).isTrue();
				assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();
			}
		});
		boolean condition = !TransactionSynchronizationManager.isSynchronizationActive();
		assertThat(condition).isTrue();
		assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();

		verify(ut).begin();
		verify(ut).commit();
		verify(ut2).begin();
		verify(ut2).commit();
	}

	/**
	 * Prevent any side effects due to this test modifying ThreadLocals that might
	 * affect subsequent tests when all tests are run in the same JVM, as with Eclipse.
	 */
	@AfterEach
	public void tearDown() {
		assertThat(TransactionSynchronizationManager.getResourceMap().isEmpty()).isTrue();
		assertThat(TransactionSynchronizationManager.isSynchronizationActive()).isFalse();
		assertThat(TransactionSynchronizationManager.getCurrentTransactionName()).isNull();
		assertThat(TransactionSynchronizationManager.isCurrentTransactionReadOnly()).isFalse();
		assertThat(TransactionSynchronizationManager.isActualTransactionActive()).isFalse();
	}

}

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