| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.lucene.util; |
| |
| import java.util.concurrent.CountDownLatch; |
| |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.Description; |
| import org.junit.runner.JUnitCore; |
| import org.junit.runner.Result; |
| import org.junit.runner.notification.Failure; |
| import org.junit.runner.notification.RunListener; |
| |
| import com.carrotsearch.randomizedtesting.annotations.Repeat; |
| import com.carrotsearch.randomizedtesting.annotations.ThreadLeakAction; |
| import com.carrotsearch.randomizedtesting.annotations.ThreadLeakLingering; |
| import com.carrotsearch.randomizedtesting.annotations.ThreadLeakScope; |
| import com.carrotsearch.randomizedtesting.annotations.ThreadLeakScope.Scope; |
| import com.carrotsearch.randomizedtesting.annotations.ThreadLeakZombies; |
| import com.carrotsearch.randomizedtesting.annotations.ThreadLeakZombies.Consequence; |
| |
| /** |
| * @see TestRuleIgnoreAfterMaxFailures |
| */ |
| public class TestMaxFailuresRule extends WithNestedTests { |
| public TestMaxFailuresRule() { |
| super(true); |
| } |
| |
| public static class Nested extends WithNestedTests.AbstractNestedTest { |
| public static final int TOTAL_ITERS = 500; |
| public static final int DESIRED_FAILURES = TOTAL_ITERS / 10; |
| private int numFails = 0; |
| private int numIters = 0; |
| |
| @Repeat(iterations = TOTAL_ITERS) |
| public void testFailSometimes() { |
| numIters++; |
| boolean fail = random().nextInt(5) == 0; |
| if (fail) numFails++; |
| // some seeds are really lucky ... so cheat. |
| if (numFails < DESIRED_FAILURES && |
| DESIRED_FAILURES <= TOTAL_ITERS - numIters) { |
| fail = true; |
| } |
| assertFalse(fail); |
| } |
| } |
| |
| @Test |
| public void testMaxFailures() { |
| LuceneTestCase.replaceMaxFailureRule(new TestRuleIgnoreAfterMaxFailures(2)); |
| JUnitCore core = new JUnitCore(); |
| final StringBuilder results = new StringBuilder(); |
| core.addListener(new RunListener() { |
| char lastTest; |
| |
| @Override |
| public void testStarted(Description description) throws Exception { |
| lastTest = 'S'; // success. |
| } |
| |
| @Override |
| public void testAssumptionFailure(Failure failure) { |
| lastTest = 'A'; // assumption failure. |
| } |
| |
| @Override |
| public void testFailure(Failure failure) throws Exception { |
| lastTest = 'F'; // failure |
| } |
| |
| @Override |
| public void testFinished(Description description) throws Exception { |
| results.append(lastTest); |
| } |
| }); |
| |
| Result result = core.run(Nested.class); |
| Assert.assertEquals(500, result.getRunCount()); |
| Assert.assertEquals(0, result.getIgnoreCount()); |
| Assert.assertEquals(2, result.getFailureCount()); |
| |
| // Make sure we had exactly two failures followed by assumption-failures |
| // resulting from ignored tests. |
| Assert.assertTrue(results.toString(), |
| results.toString().matches("(S*F){2}A+")); |
| } |
| |
| @ThreadLeakZombies(Consequence.IGNORE_REMAINING_TESTS) |
| @ThreadLeakAction({ThreadLeakAction.Action.WARN}) |
| @ThreadLeakScope(Scope.TEST) |
| @ThreadLeakLingering(linger = 500) |
| public static class Nested2 extends WithNestedTests.AbstractNestedTest { |
| public static final int TOTAL_ITERS = 10; |
| public static CountDownLatch die; |
| public static Thread zombie; |
| public static int testNum; |
| |
| @BeforeClass |
| public static void setup() { |
| assert zombie == null; |
| die = new CountDownLatch(1); |
| testNum = 0; |
| } |
| |
| @Repeat(iterations = TOTAL_ITERS) |
| public void testLeaveZombie() { |
| if (++testNum == 2) { |
| zombie = new Thread() { |
| @Override |
| public void run() { |
| while (true) { |
| try { |
| die.await(); |
| return; |
| } catch (Exception e) { /* ignore */ } |
| } |
| } |
| }; |
| zombie.start(); |
| } |
| } |
| } |
| |
| @Test |
| public void testZombieThreadFailures() throws Exception { |
| LuceneTestCase.replaceMaxFailureRule(new TestRuleIgnoreAfterMaxFailures(1)); |
| JUnitCore core = new JUnitCore(); |
| final StringBuilder results = new StringBuilder(); |
| core.addListener(new RunListener() { |
| char lastTest; |
| |
| @Override |
| public void testStarted(Description description) throws Exception { |
| lastTest = 'S'; // success. |
| } |
| |
| @Override |
| public void testAssumptionFailure(Failure failure) { |
| lastTest = 'A'; // assumption failure. |
| } |
| |
| @Override |
| public void testFailure(Failure failure) throws Exception { |
| lastTest = 'F'; // failure |
| System.out.println(failure.getMessage()); |
| } |
| |
| @Override |
| public void testFinished(Description description) throws Exception { |
| results.append(lastTest); |
| } |
| }); |
| |
| Result result = core.run(Nested2.class); |
| if (Nested2.die != null) { |
| Nested2.die.countDown(); |
| Nested2.zombie.join(); |
| } |
| |
| super.prevSysOut.println(results.toString()); |
| Assert.assertEquals(Nested2.TOTAL_ITERS, result.getRunCount()); |
| Assert.assertEquals(results.toString(), "SFAAAAAAAA", results.toString()); |
| } |
| } |