/*
* Copyright 2002-2016 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
*
* 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.springframework.test.context.cache;
import java.util.concurrent.atomic.AtomicInteger;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.annotation.DirtiesContext.ClassMode;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import static org.junit.Assert.*;
import static org.springframework.test.context.cache.ContextCacheTestUtils.*;
import static org.springframework.test.context.junit4.JUnitTestingUtils.*;
/**
* JUnit 4 based integration test which verifies correct {@linkplain ContextCache
* application context caching} in conjunction with the {@link SpringRunner} and
* {@link DirtiesContext @DirtiesContext} at the class level.
*
* @author Sam Brannen
* @since 3.0
*/
@RunWith(JUnit4.class)
public class ClassLevelDirtiesContextTests {
private static final AtomicInteger cacheHits = new AtomicInteger(0);
private static final AtomicInteger cacheMisses = new AtomicInteger(0);
@BeforeClass
public static void verifyInitialCacheState() {
resetContextCache();
// Reset static counters in case tests are run multiple times in a test suite --
// for example, via JUnit's @Suite.
cacheHits.set(0);
cacheMisses.set(0);
assertContextCacheStatistics("BeforeClass", 0, cacheHits.get(), cacheMisses.get());
}
@Test
public void verifyDirtiesContextBehavior() throws Exception {
assertBehaviorForCleanTestCase();
runTestClassAndAssertStats(ClassLevelDirtiesContextWithCleanMethodsAndDefaultModeTestCase.class, 1);
assertContextCacheStatistics("after class-level @DirtiesContext with clean test method and default class mode",
0, cacheHits.incrementAndGet(), cacheMisses.get());
assertBehaviorForCleanTestCase();
runTestClassAndAssertStats(InheritedClassLevelDirtiesContextWithCleanMethodsAndDefaultModeTestCase.class, 1);
assertContextCacheStatistics(
"after inherited class-level @DirtiesContext with clean test method and default class mode", 0,
cacheHits.incrementAndGet(), cacheMisses.get());
assertBehaviorForCleanTestCase();
runTestClassAndAssertStats(ClassLevelDirtiesContextWithCleanMethodsAndAfterClassModeTestCase.class, 1);
assertContextCacheStatistics("after class-level @DirtiesContext with clean test method and AFTER_CLASS mode",
0, cacheHits.incrementAndGet(), cacheMisses.get());
assertBehaviorForCleanTestCase();
runTestClassAndAssertStats(InheritedClassLevelDirtiesContextWithCleanMethodsAndAfterClassModeTestCase.class, 1);
assertContextCacheStatistics(
"after inherited class-level @DirtiesContext with clean test method and AFTER_CLASS mode", 0,
cacheHits.incrementAndGet(), cacheMisses.get());
assertBehaviorForCleanTestCase();
runTestClassAndAssertStats(ClassLevelDirtiesContextWithAfterEachTestMethodModeTestCase.class, 3);
assertContextCacheStatistics(
"after class-level @DirtiesContext with clean test method and AFTER_EACH_TEST_METHOD mode", 0,
cacheHits.incrementAndGet(), cacheMisses.addAndGet(2));
assertBehaviorForCleanTestCase();
runTestClassAndAssertStats(InheritedClassLevelDirtiesContextWithAfterEachTestMethodModeTestCase.class, 3);
assertContextCacheStatistics(
"after inherited class-level @DirtiesContext with clean test method and AFTER_EACH_TEST_METHOD mode", 0,
cacheHits.incrementAndGet(), cacheMisses.addAndGet(2));
assertBehaviorForCleanTestCase();
runTestClassAndAssertStats(ClassLevelDirtiesContextWithDirtyMethodsTestCase.class, 1);
assertContextCacheStatistics("after class-level @DirtiesContext with dirty test method", 0,
cacheHits.incrementAndGet(), cacheMisses.get());
runTestClassAndAssertStats(ClassLevelDirtiesContextWithDirtyMethodsTestCase.class, 1);
assertContextCacheStatistics("after class-level @DirtiesContext with dirty test method", 0, cacheHits.get(),
cacheMisses.incrementAndGet());
runTestClassAndAssertStats(ClassLevelDirtiesContextWithDirtyMethodsTestCase.class, 1);
assertContextCacheStatistics("after class-level @DirtiesContext with dirty test method", 0, cacheHits.get(),
cacheMisses.incrementAndGet());
assertBehaviorForCleanTestCase();
runTestClassAndAssertStats(InheritedClassLevelDirtiesContextWithDirtyMethodsTestCase.class, 1);
assertContextCacheStatistics("after inherited class-level @DirtiesContext with dirty test method", 0,
cacheHits.incrementAndGet(), cacheMisses.get());
runTestClassAndAssertStats(InheritedClassLevelDirtiesContextWithDirtyMethodsTestCase.class, 1);
assertContextCacheStatistics("after inherited class-level @DirtiesContext with dirty test method", 0,
cacheHits.get(), cacheMisses.incrementAndGet());
runTestClassAndAssertStats(InheritedClassLevelDirtiesContextWithDirtyMethodsTestCase.class, 1);
assertContextCacheStatistics("after inherited class-level @DirtiesContext with dirty test method", 0,
cacheHits.get(), cacheMisses.incrementAndGet());
assertBehaviorForCleanTestCase();
runTestClassAndAssertStats(ClassLevelDirtiesContextWithCleanMethodsAndAfterClassModeTestCase.class, 1);
assertContextCacheStatistics("after class-level @DirtiesContext with clean test method and AFTER_CLASS mode",
0, cacheHits.incrementAndGet(), cacheMisses.get());
}
private void runTestClassAndAssertStats(Class<?> testClass, int expectedTestCount) throws Exception {
runTestsAndAssertCounters(testClass, expectedTestCount, 0, expectedTestCount, 0, 0);
}
private void assertBehaviorForCleanTestCase() throws Exception {
runTestClassAndAssertStats(CleanTestCase.class, 1);
assertContextCacheStatistics("after clean test class", 1, cacheHits.get(), cacheMisses.incrementAndGet());
}
@AfterClass
public static void verifyFinalCacheState() {
assertContextCacheStatistics("AfterClass", 0, cacheHits.get(), cacheMisses.get());
}
// -------------------------------------------------------------------
@RunWith(SpringRunner.class)
@ContextConfiguration
static abstract class BaseTestCase {
@Configuration
static class Config {
/* no beans */
}
@Autowired
protected ApplicationContext applicationContext;
protected void assertApplicationContextWasAutowired() {
assertNotNull("The application context should have been autowired.", this.applicationContext);
}
}
public static final class CleanTestCase extends BaseTestCase {
@Test
public void verifyContextWasAutowired() {
assertApplicationContextWasAutowired();
}
}
@DirtiesContext
public static class ClassLevelDirtiesContextWithCleanMethodsAndDefaultModeTestCase extends BaseTestCase {
@Test
public void verifyContextWasAutowired() {
assertApplicationContextWasAutowired();
}
}
public static class InheritedClassLevelDirtiesContextWithCleanMethodsAndDefaultModeTestCase extends
ClassLevelDirtiesContextWithCleanMethodsAndDefaultModeTestCase {
}
@DirtiesContext(classMode = ClassMode.AFTER_CLASS)
public static class ClassLevelDirtiesContextWithCleanMethodsAndAfterClassModeTestCase extends BaseTestCase {
@Test
public void verifyContextWasAutowired() {
assertApplicationContextWasAutowired();
}
}
public static class InheritedClassLevelDirtiesContextWithCleanMethodsAndAfterClassModeTestCase extends
ClassLevelDirtiesContextWithCleanMethodsAndAfterClassModeTestCase {
}
@DirtiesContext(classMode = ClassMode.AFTER_EACH_TEST_METHOD)
public static class ClassLevelDirtiesContextWithAfterEachTestMethodModeTestCase extends BaseTestCase {
@Test
public void verifyContextWasAutowired1() {
assertApplicationContextWasAutowired();
}
@Test
public void verifyContextWasAutowired2() {
assertApplicationContextWasAutowired();
}
@Test
public void verifyContextWasAutowired3() {
assertApplicationContextWasAutowired();
}
}
public static class InheritedClassLevelDirtiesContextWithAfterEachTestMethodModeTestCase extends
ClassLevelDirtiesContextWithAfterEachTestMethodModeTestCase {
}
@DirtiesContext
public static class ClassLevelDirtiesContextWithDirtyMethodsTestCase extends BaseTestCase {
@Test
@DirtiesContext
public void dirtyContext() {
assertApplicationContextWasAutowired();
}
}
public static class InheritedClassLevelDirtiesContextWithDirtyMethodsTestCase extends
ClassLevelDirtiesContextWithDirtyMethodsTestCase {
}
}