Support parameter injection in @[Before|After]Transaction methods
Prior to this commit, @BeforeTransaction and @AfterTransaction
methods could not accept any arguments. This is acceptable with testing
frameworks such as JUnit 4 and TestNG that do not provide support for
parameter injection. However, users of JUnit Jupiter have become
accustomed to being able to accept arguments in lifecycle methods
annotated with JUnit's @BeforeEach, @AfterEach, etc.
As a follow up to the previous commit (see gh-31199), this commit
introduces first-class support for parameter injection in
@BeforeTransaction and @AfterTransaction methods, as demonstrated in
the following example.
@BeforeTransaction
void verifyInitialDatabaseState(@Autowired DataSource dataSource) {
// Use the DataSource to verify the initial DB state
}
Closes gh-30736
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/*
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* Copyright 2002-2023 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.test.context.junit.jupiter.transaction;
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import javax.sql.DataSource;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.TestInfo;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.jdbc.datasource.DataSourceTransactionManager;
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import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
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import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
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import org.springframework.test.context.transaction.AfterTransaction;
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import org.springframework.test.context.transaction.BeforeTransaction;
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import org.springframework.transaction.annotation.Transactional;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.springframework.test.transaction.TransactionAssert.assertThatTransaction;
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/**
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* JUnit Jupiter based integration tests which verify support for parameter
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* injection in {@link BeforeTransaction @BeforeTransaction} and
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* {@link AfterTransaction @AfterTransaction} lifecycle methods.
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*
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* @author Sam Brannen
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* @since 6.1
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*/
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@SpringJUnitConfig
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class TransactionLifecycleMethodParameterInjectionTests {
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static boolean beforeTransactionInvoked = false;
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static boolean afterTransactionInvoked = false;
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@BeforeAll
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static void checkInitialFlagState() {
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assertThat(beforeTransactionInvoked).isFalse();
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assertThat(afterTransactionInvoked).isFalse();
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}
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@BeforeTransaction
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void beforeTransaction(TestInfo testInfo, ApplicationContext context, @Autowired DataSource dataSource) {
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assertThatTransaction().isNotActive();
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assertThat(testInfo).isNotNull();
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assertThat(context).isNotNull();
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assertThat(dataSource).isNotNull();
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beforeTransactionInvoked = true;
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}
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@Test
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@Transactional
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void transactionalTest(TestInfo testInfo, ApplicationContext context, @Autowired DataSource dataSource) {
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assertThatTransaction().isActive();
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assertThat(testInfo).isNotNull();
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assertThat(context).isNotNull();
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assertThat(dataSource).isNotNull();
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assertThat(beforeTransactionInvoked).isTrue();
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assertThat(afterTransactionInvoked).isFalse();
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}
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@AfterTransaction
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void afterTransaction(TestInfo testInfo, ApplicationContext context, @Autowired DataSource dataSource) {
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assertThatTransaction().isNotActive();
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assertThat(testInfo).isNotNull();
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assertThat(context).isNotNull();
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assertThat(dataSource).isNotNull();
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afterTransactionInvoked = true;
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}
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@AfterAll
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static void checkFinalFlagState() {
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assertThat(beforeTransactionInvoked).isTrue();
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assertThat(afterTransactionInvoked).isTrue();
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}
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@Configuration
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static class Config {
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@Bean
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DataSourceTransactionManager transactionManager(DataSource dataSource) {
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return new DataSourceTransactionManager(dataSource);
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}
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@Bean
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DataSource dataSource() {
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return new EmbeddedDatabaseBuilder().generateUniqueName(true).build();
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}
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}
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}
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