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/*
* Copyright (c) 2019,2020 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* 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.eclipse.microprofile.context.tck;
import java.lang.reflect.Method;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.Phaser;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.TimeUnit;
import javax.inject.Inject;
import javax.inject.Named;
import org.eclipse.microprofile.context.tck.MPConfigBean.Max5Queue;
import org.eclipse.microprofile.context.tck.contexts.buffer.Buffer;
import org.eclipse.microprofile.context.tck.contexts.buffer.spi.BufferContextProvider;
import org.eclipse.microprofile.context.tck.contexts.label.Label;
import org.eclipse.microprofile.context.tck.contexts.label.spi.LabelContextProvider;
import org.eclipse.microprofile.context.tck.contexts.priority.spi.ThreadPriorityContextProvider;
import org.eclipse.microprofile.context.ManagedExecutor;
import org.eclipse.microprofile.context.ThreadContext;
import org.eclipse.microprofile.context.spi.ThreadContextProvider;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.testng.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.EmptyAsset;
import org.jboss.shrinkwrap.api.asset.StringAsset;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.testng.Assert;
import org.testng.ITestResult;
import org.testng.annotations.Test;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
public class MPConfigTest extends Arquillian {
/**
* Maximum tolerated wait for an asynchronous operation to complete.
* This is important to ensure that tests don't hang waiting for asynchronous operations to complete.
* Normally these sort of operations will complete in tiny fractions of a second, but we are specifying
* an extremely generous value here to allow for the widest possible variety of test execution environments.
*/
private static final long MAX_WAIT_NS = TimeUnit.MINUTES.toNanos(2);
@Inject
protected MPConfigBean bean;
@Inject @Max5Queue
protected ManagedExecutor producedExecutor;
@Inject @Named("producedThreadContext")
protected ThreadContext producedThreadContext;
@AfterMethod
public void afterMethod(Method m, ITestResult result) {
System.out.println("<<< END " + m.getClass().getSimpleName() + '.' + m.getName() + (result.isSuccess() ? " SUCCESS" : " FAILED"));
Throwable failure = result.getThrowable();
if (failure != null) {
failure.printStackTrace(System.out);
}
}
@BeforeMethod
public void beforeMethod(Method m) {
System.out.println(">>> BEGIN " + m.getClass().getSimpleName() + '.' + m.getName());
}
@Deployment
public static WebArchive createDeployment() {
// build a JAR that provides three fake context types: 'Buffer', 'Label', and 'ThreadPriority'
JavaArchive fakeContextProviders = ShrinkWrap.create(JavaArchive.class, "fakeContextTypes.jar")
.addPackages(true, "org.eclipse.microprofile.context.tck.contexts.buffer")
.addPackages(true, "org.eclipse.microprofile.context.tck.contexts.label")
.addPackage("org.eclipse.microprofile.context.tck.contexts.priority.spi")
.addAsServiceProvider(ThreadContextProvider.class,
BufferContextProvider.class, LabelContextProvider.class, ThreadPriorityContextProvider.class);
return ShrinkWrap.create(WebArchive.class, MPConfigTest.class.getSimpleName() + ".war")
.addClass(MPConfigBean.class)
.addClass(MPConfigTest.class)
.addClass(ProducerBean.class)
.addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml")
.addAsWebInfResource(new StringAsset(
"mp.context.ManagedExecutor.maxAsync=1\n" +
"mp.context.ManagedExecutor.maxQueued=4\n" +
"mp.context.ManagedExecutor.propagated=Label,ThreadPriority\n" +
"mp.context.ManagedExecutor.cleared=Remaining\n" +
"mp.context.ThreadContext.cleared=Buffer\n" +
"mp.context.ThreadContext.propagated=None\n" +
"mp.context.ThreadContext.unchanged=Remaining"),
"classes/META-INF/microprofile-config.properties")
.addAsLibraries(fakeContextProviders);
}
/**
* Determine if instances injected properly, which is a prerequisite of running these tests.
*/
@Test
public void beanInjected() {
Assert.assertNotNull(bean,
"Unable to inject CDI bean. Expect other tests to fail.");
}
/**
* Verify that the cleared and propagated attributes of a ManagedExecutor are defaulted
* according to the defaults specified by the application in MicroProfile Config.
*
* @throws ExecutionException indicates test failure
* @throws InterruptedException indicates test failure
* @throws TimeoutException indicates test failure
*/
@Test
public void defaultContextPropagationForManagedExecutorViaMPConfig()
throws ExecutionException, InterruptedException, TimeoutException {
// Expected config is maxAsync=1, maxQueued=4; propagated=Label,ThreadPriority; cleared=Remaining
ManagedExecutor executor = ManagedExecutor.builder().build();
int originalPriority = Thread.currentThread().getPriority();
try {
// Set non-default values
int newPriority = originalPriority == 4 ? 3 : 4;
Thread.currentThread().setPriority(newPriority);
Buffer.set(new StringBuffer("defaultContextPropagationForManagedExecutorViaMPConfig-test-buffer"));
Label.set("defaultContextPropagationForManagedExecutorViaMPConfig-test-label");
// Run on separate thread to test propagated
CompletableFuture stage1 = executor.completedFuture(newPriority)
.thenAcceptAsync(expectedPriority -> {
Assert.assertEquals(Label.get(), "defaultContextPropagationForManagedExecutorViaMPConfig-test-label",
"Context type (Label) that MicroProfile config defaults to be propagated was not correctly propagated.");
Assert.assertEquals(Integer.valueOf(Thread.currentThread().getPriority()), expectedPriority,
"Context type (ThreadPriority) that MicroProfile config defaults to be propagated was not correctly propagated.");
});
Assert.assertNull(stage1.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS),
"Non-null value returned by stage that runs async Consumer.");
// Run on current thread to test cleared
CompletableFuture stage2 = stage1.thenRun(() ->
Assert.assertEquals(Buffer.get().toString(), "",
"Context type (Buffer) that MicroProfile config overrides to be cleared was not cleared.")
);
Assert.assertNull(stage2.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS),
"Non-null value returned by stage that runs Runnable.");
}
finally {
// Restore original values
Buffer.set(null);
Label.set(null);
Thread.currentThread().setPriority(originalPriority);
}
}
/**
* Verify that the cleared and propagated attributes of a ThreadContext are defaulted
* according to the defaults specified by the application in MicroProfile Config.
*/
@Test
public void defaultContextPropagationForThreadContextViaMPConfig() {
// Expected config is propagated={}; cleared=Buffer; unchanged=Remaining
ThreadContext threadContext = ThreadContext.builder().build();
int originalPriority = Thread.currentThread().getPriority();
try {
// Set non-default value
Buffer.set(new StringBuffer("defaultContextPropagationForThreadContextViaMPConfig-test-buffer-A"));
int newPriority = originalPriority == 3 ? 2 : 3;
Runnable task = threadContext.contextualRunnable(() -> {
Assert.assertEquals(Buffer.get().toString(), "",
"Context type that MicroProfile config defaults to be cleared was not cleared.");
Assert.assertEquals(Thread.currentThread().getPriority(), newPriority,
"Context type (ThreadPriority) that MicroProfile Config defaults to remain unchanged was changed.");
Assert.assertEquals(Label.get(), "defaultContextPropagationForThreadContextViaMPConfig-test-label-B",
"Context type (Label) that MicroProfile Config defaults to remain unchanged was changed.");
Label.set("defaultContextPropagationForThreadContextViaMPConfig-test-label-A");
});
// Set non-default values
Thread.currentThread().setPriority(newPriority);
Label.set("defaultContextPropagationForThreadContextViaMPConfig-test-label-B");
task.run();
Assert.assertEquals(Label.get(), "defaultContextPropagationForThreadContextViaMPConfig-test-label-A",
"Context type that MicroProfile Config defaults to remain unchanged was changed when task completed.");
}
finally {
// Restore original values
Buffer.set(null);
Label.set(null);
Thread.currentThread().setPriority(originalPriority);
}
}
/**
* Verify that the maxAsync and maxQueued attributes of a ManagedExecutor are defaulted
* according to the defaults specified by the application in MicroProfile Config.
*
* @throws ExecutionException indicates test failure
* @throws InterruptedException indicates test failure
* @throws TimeoutException indicates test failure
*/
@Test(dependsOnMethods = "beanInjected")
public void defaultMaxAsyncAndMaxQueuedForManagedExecutorViaMPConfig()
throws ExecutionException, InterruptedException, TimeoutException {
// Expected config is maxAsync=1, maxQueued=4; propagated=Buffer; cleared=Remaining
ManagedExecutor executor = ManagedExecutor.builder().propagated(Buffer.CONTEXT_NAME).build();
Phaser barrier = new Phaser(1);
try {
// Set non-default values
Buffer.set(new StringBuffer("defaultMaxAsyncAndMaxQueuedForManagedExecutorViaMPConfig-test-buffer"));
Label.set("defaultMaxAsyncAndMaxQueuedForManagedExecutorViaMPConfig-test-label");
// First, use up the single maxAsync slot with a blocking task and wait for it to start
executor.submit(() -> barrier.awaitAdvanceInterruptibly(barrier.arrive() + 1));
barrier.awaitAdvanceInterruptibly(0, MAX_WAIT_NS, TimeUnit.NANOSECONDS);
// Use up queue positions
CompletableFuture cf1 = executor.supplyAsync(() -> Buffer.get().toString());
CompletableFuture cf2 = executor.supplyAsync(() -> Label.get());
CompletableFuture cf3 = executor.supplyAsync(() -> "III");
CompletableFuture cf4 = executor.supplyAsync(() -> "IV");
// Fifth attempt to queue a task must be rejected
try {
CompletableFuture cf5 = executor.supplyAsync(() -> "V");
// CompletableFuture interface does not provide detail on precisely how to report rejection,
// so tolerate both possibilities: exception raised or stage returned with exceptional completion.
Assert.assertTrue(cf5.isDone() && cf5.isCompletedExceptionally(),
"Exceeded maxQueued of 4. Future for 5th queued task/action is " + cf5);
}
catch (RejectedExecutionException x) {
// test passes
}
// unblock and allow tasks to finish
barrier.arrive();
Assert.assertEquals(cf1.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS), "defaultMaxAsyncAndMaxQueuedForManagedExecutorViaMPConfig-test-buffer",
"First task: Context not propagated as configured on the builder.");
Assert.assertEquals(cf2.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS), "",
"Second task: Context not cleared as defaulted by MicroProfile Config property.");
Assert.assertEquals(cf3.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS), "III",
"Unexpected result of third task.");
Assert.assertEquals(cf4.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS), "IV",
"Unexpected result of fourth task.");
}
finally {
barrier.forceTermination();
// Restore original values
Buffer.set(null);
Label.set(null);
}
}
/**
* Verify that MicroProfile config defaults the cleared attribute when only the
* propagated and maxQueued attributes are specified by the application.
*
* @throws ExecutionException indicates test failure
* @throws InterruptedException indicates test failure
* @throws TimeoutException indicates test failure
*/
@Test(dependsOnMethods = "beanInjected")
public void explicitlySpecifiedPropagatedTakesPrecedenceOverDefaults()
throws ExecutionException, InterruptedException, TimeoutException {
// Expected config is maxAsync=1; maxQueued=5; propagated={}; cleared=Remaining
CompletableFuture completedFuture = bean.getCompletedFuture();
Assert.assertNotNull(completedFuture);
int originalPriority = Thread.currentThread().getPriority();
try {
// Set non-default values
int newPriority = originalPriority == 2 ? 1 : 2;
Thread.currentThread().setPriority(newPriority);
Buffer.set(new StringBuffer("explicitlySpecifiedPropagatedTakesPrecedenceOverDefaults-test-buffer"));
Label.set("explicitlySpecifiedPropagatedTakesPrecedenceOverDefaults-test-label");
// Run on current thread to test that none are propagated and all are cleared
CompletableFuture stage1 = completedFuture.thenRun(() -> {
Assert.assertEquals(Thread.currentThread().getPriority(), Thread.NORM_PRIORITY,
"Context type (ThreadPriority) that is explicitly configured to be cleared was not cleared.");
Assert.assertEquals(Buffer.get().toString(), "",
"Context type (Buffer) that is explicitly configured to be cleared was not cleared.");
Assert.assertEquals(Label.get(), "",
"Context type (Label) that is explicitly configured to be cleared was not cleared.");
});
Assert.assertNull(stage1.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS),
"Non-null value returned by stage that runs Runnable.");
}
finally {
// Restore original values
Buffer.set(null);
Label.set(null);
Thread.currentThread().setPriority(originalPriority);
}
}
/**
* Verify that MicroProfile config does not default any attributes when all attributes
* are explicitly specified by the application.
*/
@Test(dependsOnMethods = "beanInjected")
public void explicitlySpecifyAllAttributesOfThreadContext() {
// Expected config is propagated=Buffer; unchanged={}, cleared=Remaining
Executor contextSnapshot = bean.getContextSnapshot();
Assert.assertNotNull(contextSnapshot);
int originalPriority = Thread.currentThread().getPriority();
try {
// Set non-default values
Buffer.set(new StringBuffer("explicitlySpecifyAllAttributesOfThreadContext-test-buffer"));
Label.set("explicitlySpecifyAllAttributesOfThreadContext-test-label");
int newPriority = originalPriority == 2 ? 1 : 2;
Thread.currentThread().setPriority(newPriority);
contextSnapshot.execute(() -> {
Assert.assertEquals(Buffer.get().toString(), "setContextSnapshot-test-buffer",
"Context type that is explicitly configured to propagated was not propagated.");
Assert.assertEquals(Label.get(), "",
"Context type (Label) that is explicitly configured to be cleared was not cleared.");
Assert.assertEquals(Thread.currentThread().getPriority(), Thread.NORM_PRIORITY,
"Context type (ThreadPriority) that is explicitly configured to be cleared was not cleared.");
});
}
finally {
// Restore original values
Buffer.set(null);
Label.set(null);
Thread.currentThread().setPriority(originalPriority);
}
}
/**
* Verify that MicroProfile config defaults the maxAsync attribute and honors the explicitly specified
* maxQueued attribute, when only the propagated and maxQueued attributes are specified by the application.
*
* @throws ExecutionException indicates test failure
* @throws InterruptedException indicates test failure
* @throws TimeoutException indicates test failure
*/
@Test(dependsOnMethods = "beanInjected")
public void explicitlySpecifyMaxQueued5()
throws ExecutionException, InterruptedException, TimeoutException {
// Expected config is maxAsync=1; maxQueued=5; propagated={}; cleared=Remaining
Assert.assertNotNull(producedExecutor, "Injection failure. Cannot run test.");
Phaser barrier = new Phaser(1);
try {
// First, use up the single maxAsync slot with a blocking task and wait for it to start
producedExecutor.submit(() -> barrier.awaitAdvanceInterruptibly(barrier.arrive() + 1));
barrier.awaitAdvanceInterruptibly(0, MAX_WAIT_NS, TimeUnit.NANOSECONDS);
// Use up queue positions
CompletableFuture future1 = producedExecutor.supplyAsync(() -> "Q_1");
CompletableFuture future2 = producedExecutor.supplyAsync(() -> "Q_2");
CompletableFuture future3 = producedExecutor.supplyAsync(() -> "Q_3");
Future future4 = producedExecutor.submit(() -> "Q_4");
Future future5 = producedExecutor.submit(() -> "Q_5");
// Sixth attempt to queue a task must be rejected
try {
Future future6 = producedExecutor.submit(() -> "Q_6");
Assert.fail("Exceeded maxQueued of 5. Future for 6th queued task/action is " + future6);
}
catch (RejectedExecutionException x) {
// test passes
}
// unblock and allow tasks to finish
barrier.arrive();
Assert.assertEquals(future1.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS), "Q_1",
"Unexpected result of first task.");
Assert.assertEquals(future2.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS), "Q_2",
"Unexpected result of second task.");
Assert.assertEquals(future3.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS), "Q_3",
"Unexpected result of third task.");
Assert.assertEquals(future4.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS), "Q_4",
"Unexpected result of fourth task.");
Assert.assertEquals(future5.get(MAX_WAIT_NS, TimeUnit.NANOSECONDS), "Q_5",
"Unexpected result of fifth task.");
}
finally {
barrier.forceTermination();
}
}
}
