Ale*_*lex 10 java spring spring-test spring-boot junit5
我有一个带有数据库和 rabbitmq 用法的小型 Spring Boot 应用程序。所以我想用集成测试(H2 + apache qpid)进行测试。
@ExtendWith(SpringExtension.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = TestSpringConfig.class)
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
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正如我的应用程序所期望的那样,数据库和 mq 我使用 @BeforeAll 来启动它:
@BeforeAll
public void before() {
startMessageBroker();
startDatabase();
}
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问题是我的 Web 应用程序在 @BeforeAll 中定义的 database/mq 之前启动。
org.springframework.test.context.junit.jupiter.SpringExtension:
public class SpringExtension implements BeforeAllCallback, AfterAllCallback, TestInstancePostProcessor,
BeforeEachCallback, AfterEachCallback, BeforeTestExecutionCallback, AfterTestExecutionCallback,
ParameterResolver {
// ...
@Override
public void beforeAll(ExtensionContext context) throws Exception {
getTestContextManager(context).beforeTestClass();
}
// ...
@Override
public void postProcessTestInstance(Object testInstance, ExtensionContext context) throws Exception {
getTestContextManager(context).prepareTestInstance(testInstance);
}
// ...
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Web 应用程序在 postProcessTestInstance 阶段和 beforeAll 中的 @BeforeAll 方法开始。
org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor:
private void execute(TestDescriptor testDescriptor, C parentContext, ExecutionTracker tracker) {
Node<C> node = asNode(testDescriptor);
tracker.markExecuted(testDescriptor);
C preparedContext;
try {
preparedContext = node.prepare(parentContext); // 1 <<<
SkipResult skipResult = node.shouldBeSkipped(preparedContext);
if (skipResult.isSkipped()) {
this.listener.executionSkipped(testDescriptor, skipResult.getReason().orElse("<unknown>"));
return;
}
}
catch (Throwable throwable) {
rethrowIfBlacklisted(throwable);
// We call executionStarted first to comply with the contract of EngineExecutionListener
this.listener.executionStarted(testDescriptor);
this.listener.executionFinished(testDescriptor, TestExecutionResult.failed(throwable));
return;
}
this.listener.executionStarted(testDescriptor);
TestExecutionResult result = singleTestExecutor.executeSafely(() -> {
C context = preparedContext;
try {
context = node.before(context); // 2 <<<
C contextForDynamicChildren = context;
context = node.execute(context, dynamicTestDescriptor -> {
this.listener.dynamicTestRegistered(dynamicTestDescriptor);
execute(dynamicTestDescriptor, contextForDynamicChildren, tracker);
});
C contextForStaticChildren = context;
// @formatter:off
testDescriptor.getChildren().stream()
.filter(child -> !tracker.wasAlreadyExecuted(child))
.forEach(child -> execute(child, contextForStaticChildren, tracker));
// @formatter:on
}
finally {
node.after(context);
}
});
this.listener.executionFinished(testDescriptor, result);
}
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参见第 1 点和第 2 点。先执行“prepare”,然后执行“before”。
我不确定是 junit、SpringExtension 的问题还是我做错了什么。有什么建议吗?
junit-木星:5.0.1
弹簧测试:5.0.0.RELEASE
弹簧引导测试:1.5.8.RELEASE
Yog*_*ogi -3
JUnit 5 [@BeforeAll] 注释是JUnit 4 中@BeforeClass注释的替代。它用于指示应在当前测试类中的所有测试之前执行带注释的方法。
@BeforeAll 应该在静态方法中使用
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