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EagerTestExecutionEventPublishingTests.java
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EagerTestExecutionEventPublishingTests.java
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/*
* Copyright 2002-2022 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.test.context.event;
import java.util.ArrayList;
import java.util.List;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.platform.testkit.engine.EngineTestKit;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.test.context.TestContext;
import org.springframework.test.context.TestExecutionListener;
import org.springframework.test.context.TestExecutionListeners;
import org.springframework.test.context.TestExecutionListeners.MergeMode;
import org.springframework.test.context.event.annotation.AfterTestClass;
import org.springframework.test.context.event.annotation.AfterTestExecution;
import org.springframework.test.context.event.annotation.AfterTestMethod;
import org.springframework.test.context.event.annotation.BeforeTestClass;
import org.springframework.test.context.event.annotation.BeforeTestExecution;
import org.springframework.test.context.event.annotation.BeforeTestMethod;
import org.springframework.test.context.event.annotation.PrepareTestInstance;
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.platform.engine.discovery.DiscoverySelectors.selectClass;
/**
* Tests for the {@link EventPublishingTestExecutionListener} which verify that
* a {@link BeforeTestClassEvent} can be eagerly published; whereas, such an
* event is not published by default for the first run of a test class for a
* specific {@code ApplicationContext}.
*
* @author Sam Brannen
* @since 5.3.17
* @see https://github.com/spring-projects/spring-framework/issues/27757
*/
class EagerTestExecutionEventPublishingTests {
private static final List<Class<? extends TestContextEvent>> events = new ArrayList<>();
@BeforeEach
@AfterEach
void resetEvents() {
events.clear();
}
@Test
void beforeTestClassEventIsNotPublishedByDefaultForFirstTestClass() {
EngineTestKit.engine("junit-jupiter")//
.selectors(selectClass(LazyTestCase1.class), selectClass(LazyTestCase2.class))//
.execute()//
.testEvents()//
.assertStatistics(stats -> stats.started(2).succeeded(2).failed(0));
assertThat(events).containsExactly(//
// 1st test class
// BeforeTestClassEvent.class -- missing for 1st test class
PrepareTestInstanceEvent.class, //
BeforeTestMethodEvent.class, //
BeforeTestExecutionEvent.class, //
AfterTestExecutionEvent.class, //
AfterTestMethodEvent.class, //
AfterTestClassEvent.class, //
// 2nd test class
BeforeTestClassEvent.class, //
PrepareTestInstanceEvent.class, //
BeforeTestMethodEvent.class, //
BeforeTestExecutionEvent.class, //
AfterTestExecutionEvent.class, //
AfterTestMethodEvent.class, //
AfterTestClassEvent.class//
);
}
@Test
void beforeTestClassEventIsPublishedForAllTestClassesIfCustomListenerEagerlyLoadsContext() {
EngineTestKit.engine("junit-jupiter")//
.selectors(selectClass(EagerTestCase1.class), selectClass(EagerTestCase2.class))//
.execute()//
.testEvents()//
.assertStatistics(stats -> stats.started(2).succeeded(2).failed(0));
assertThat(events).containsExactly(//
// 1st test class
BeforeTestClassEvent.class, //
PrepareTestInstanceEvent.class, //
BeforeTestMethodEvent.class, //
BeforeTestExecutionEvent.class, //
AfterTestExecutionEvent.class, //
AfterTestMethodEvent.class, //
AfterTestClassEvent.class, //
// 2nd test class
BeforeTestClassEvent.class, //
PrepareTestInstanceEvent.class, //
BeforeTestMethodEvent.class, //
BeforeTestExecutionEvent.class, //
AfterTestExecutionEvent.class, //
AfterTestMethodEvent.class, //
AfterTestClassEvent.class//
);
}
@SpringJUnitConfig(Config.class)
static class LazyTestCase1 {
@Test
void test() {
}
}
static class LazyTestCase2 extends LazyTestCase1 {
}
@TestExecutionListeners(listeners = EagerLoadingTestExecutionListener.class, mergeMode = MergeMode.MERGE_WITH_DEFAULTS)
static class EagerTestCase1 extends LazyTestCase1 {
}
static class EagerTestCase2 extends EagerTestCase1 {
}
@Configuration
static class Config {
@BeforeTestClass
public void beforeTestClass(BeforeTestClassEvent e) {
events.add(e.getClass());
}
@PrepareTestInstance
public void prepareTestInstance(PrepareTestInstanceEvent e) {
events.add(e.getClass());
}
@BeforeTestMethod
public void beforeTestMethod(BeforeTestMethodEvent e) {
events.add(e.getClass());
}
@BeforeTestExecution
public void beforeTestExecution(BeforeTestExecutionEvent e) {
events.add(e.getClass());
}
@AfterTestExecution
public void afterTestExecution(AfterTestExecutionEvent e) {
events.add(e.getClass());
}
@AfterTestMethod
public void afterTestMethod(AfterTestMethodEvent e) {
events.add(e.getClass());
}
@AfterTestClass
public void afterTestClass(AfterTestClassEvent e) {
events.add(e.getClass());
}
}
@Order(0)
static class EagerLoadingTestExecutionListener implements TestExecutionListener {
@Override
public void beforeTestClass(TestContext testContext) {
testContext.getApplicationContext();
}
}
}