How to use DeterministicScheduler class of org.jmock.lib.concurrent package

Best Jmock-library code snippet using org.jmock.lib.concurrent.DeterministicScheduler

Source:DeterministicSchedulerTests.java

...12import java.util.concurrent.atomic.AtomicInteger;13import org.jmock.Expectations;14import org.jmock.Sequence;15import org.jmock.api.Action;16import org.jmock.lib.concurrent.DeterministicScheduler;17import org.jmock.lib.concurrent.UnsupportedSynchronousOperationException;18import org.jmock.test.unit.internal.MockObjectTestCase;19public class DeterministicSchedulerTests extends MockObjectTestCase {20    DeterministicScheduler scheduler = new DeterministicScheduler();21    22    Runnable commandA = mock(Runnable.class, "commandA");23    Runnable commandB = mock(Runnable.class, "commandB");24    Runnable commandC = mock(Runnable.class, "commandC");25    Runnable commandD = mock(Runnable.class, "commandD");26    27    @SuppressWarnings("unchecked")28    Callable<String> callableA = mock(Callable.class, "callableA");29    30    public void testRunsPendingCommandsUntilIdle() {31        scheduler.execute(commandA);32        scheduler.execute(commandB);33        34        final Sequence executionOrder = sequence("executionOrder");35        36        checking(new Expectations() {{37            oneOf (commandA).run(); inSequence(executionOrder);38            oneOf (commandB).run(); inSequence(executionOrder);39        }});40        41        assertFalse(scheduler.isIdle());42        43        scheduler.runUntilIdle();44        45        assertTrue(scheduler.isIdle());46    }47    48    public void testCanRunCommandsSpawnedByExecutedCommandsUntilIdle() {49        scheduler.execute(commandA);50        scheduler.execute(commandB);51        52        final Sequence executionOrder = sequence("executionOrder");53        54        checking(new Expectations() {{55            oneOf (commandA).run(); inSequence(executionOrder); will(schedule(commandC));56            oneOf (commandB).run(); inSequence(executionOrder); will(schedule(commandD));57            oneOf (commandC).run(); inSequence(executionOrder);58            oneOf (commandD).run(); inSequence(executionOrder);59        }});60        61        scheduler.runUntilIdle();62    }63    64    public void testCanScheduleCommandAndReturnFuture() throws InterruptedException, ExecutionException {65        Future<?> future = scheduler.submit(commandA);66        67        checking(new Expectations() {{68            oneOf (commandA).run();69        }});70        71        assertTrue("future should not be done before running the task", !future.isDone());72        73        scheduler.runUntilIdle();74        75        assertTrue("future should be done after running the task", future.isDone());76        assertNull("result of future should be null", future.get());77    }78    79    public void testCanScheduleCommandAndResultAndReturnFuture() throws InterruptedException, ExecutionException {80        Future<String> future = scheduler.submit(commandA, "result1");81        82        checking(new Expectations() {{83            oneOf (commandA).run();84        }});85       86        scheduler.runUntilIdle();87        88        assertThat(future.get(), equalTo("result1"));89    }90    public void testCanScheduleCallableAndReturnFuture() throws Exception {91        Future<String> future = scheduler.submit(callableA);92        93        checking(new Expectations() {{94            oneOf (callableA).call(); will(returnValue("result2"));95        }});96        97        scheduler.runUntilIdle();98        99        assertThat(future.get(), equalTo("result2"));100    }101    public void testScheduledCallablesCanReturnNull() throws Exception {102        checking(new Expectations() {{103            oneOf (callableA).call(); will(returnValue(null));104        }});105        106        Future<String> future = scheduler.submit(callableA);107        108        scheduler.runUntilIdle();109        110        assertNull(future.get());111    }112    public void testSimpleGetDelay() throws Exception {113        ScheduledFuture<?> task1 = scheduler.schedule(commandA, 10, TimeUnit.SECONDS);114        scheduler.tick(1, TimeUnit.SECONDS);115        assertEquals(9, task1.getDelay(TimeUnit.SECONDS));116    }117    public void testGetDelayWithManyScheduledTasks() throws Exception {118        ScheduledFuture<?> task1 = scheduler.schedule(commandA, 10, TimeUnit.SECONDS);119        ScheduledFuture<?> task2 = scheduler.schedule(commandA, 20, TimeUnit.SECONDS);120        ScheduledFuture<?> task3 = scheduler.schedule(commandA, 15, TimeUnit.SECONDS);121        scheduler.tick(5, TimeUnit.SECONDS);122        assertEquals(5, task1.getDelay(TimeUnit.SECONDS));123        assertEquals(15, task2.getDelay(TimeUnit.SECONDS));124        assertEquals(10, task3.getDelay(TimeUnit.SECONDS));125    }126    public void testGetDelayOnPassedTasks() throws Exception {127        final Throwable thrown = new IllegalStateException();128        ScheduledFuture<?> task1 = scheduler.schedule(commandA, 1, TimeUnit.MILLISECONDS);129        checking(new Expectations() {{130            oneOf (commandA).run(); will(throwException(thrown));131        }});132        scheduler.tick(2, TimeUnit.MILLISECONDS);133        assertEquals(-1, task1.getDelay(TimeUnit.MILLISECONDS));134    }135    136    public class ExampleException extends Exception {}137    138    public void testExceptionThrownByScheduledCallablesIsThrownFromFuture() throws Exception {139        final Throwable thrown = new ExampleException();140        141        checking(new Expectations() {{142            oneOf (callableA).call(); will(throwException(thrown));143        }});144        145        Future<String> future = scheduler.submit(callableA);146        147        scheduler.runUntilIdle();148        149        try {150            future.get();151            fail("should have thrown ExecutionException");152        }153        catch (ExecutionException expected) {154            assertThat(expected.getCause(), sameInstance(thrown));155        }156    }157    public void testCanScheduleCommandsToBeExecutedAfterADelay() {158        scheduler.schedule(commandA, 10, TimeUnit.SECONDS);159        160        scheduler.tick(9, TimeUnit.SECONDS);161        162        checking(new Expectations() {{163            oneOf (commandA).run();164        }});165        166        scheduler.tick(1, TimeUnit.SECONDS);167    }168    169    public void testTickingTimeForwardRunsAllCommandsScheduledDuringThatTimePeriod() {170        scheduler.schedule(commandA, 1, TimeUnit.MILLISECONDS);171        scheduler.schedule(commandB, 2, TimeUnit.MILLISECONDS);172        173        checking(new Expectations() {{174            oneOf (commandA).run();175            oneOf (commandB).run();176        }});177        178        scheduler.tick(3, TimeUnit.MILLISECONDS);179    }180    181    public void testTickingTimeForwardRunsCommandsExecutedByScheduledCommands() {182        scheduler.schedule(commandA, 1, TimeUnit.MILLISECONDS);183        scheduler.schedule(commandD, 2, TimeUnit.MILLISECONDS);184        185        checking(new Expectations() {{186            oneOf (commandA).run(); will(schedule(commandB));187            oneOf (commandB).run(); will(schedule(commandC));188            oneOf (commandC).run();189            oneOf (commandD).run();190        }});191        192        scheduler.tick(3, TimeUnit.MILLISECONDS);193    }194    195    public void testCanExecuteCommandsThatRepeatWithFixedDelay() {196        scheduler.scheduleWithFixedDelay(commandA, 2L, 3L, TimeUnit.SECONDS);197        198        checking(new Expectations() {{199            exactly(3).of(commandA).run();200        }});201        202        scheduler.tick(8L, TimeUnit.SECONDS);203    }204    public void testCanExecuteCommandsThatRepeatAtFixedRateButAssumesThatCommandsTakeNoTimeToExecute() {205        scheduler.scheduleAtFixedRate(commandA, 2L, 3L, TimeUnit.SECONDS);206        207        checking(new Expectations() {{208            exactly(3).of(commandA).run();209        }});210        211        scheduler.tick(8L, TimeUnit.SECONDS);212    }213    214    public void testCanCancelScheduledCommands() {215        final boolean dontCare = true;216        ScheduledFuture<?> future = scheduler.schedule(commandA, 1, TimeUnit.SECONDS);217        218        assertFalse(future.isCancelled());219        future.cancel(dontCare);220        assertTrue(future.isCancelled());221        222        checking(new Expectations() {{223            never (commandA);224        }});225        226        scheduler.tick(2, TimeUnit.SECONDS);227    }228    public void testCancellingARunningCommandStopsItFromRunningAgain() {229        DeterministicScheduler deterministicScheduler = new DeterministicScheduler();230        ObjectThatCancelsARepeatingTask objectThatCancelsARepeatingTask = new ObjectThatCancelsARepeatingTask(deterministicScheduler);231        objectThatCancelsARepeatingTask.scheduleATaskThatWillCancelItself(1, TimeUnit.SECONDS);232        deterministicScheduler.tick(2,TimeUnit.SECONDS);233        assertThat("cancelling runnable run count", objectThatCancelsARepeatingTask.runCount(), is(1));234    }235    public static class ObjectThatCancelsARepeatingTask {236        private final ScheduledExecutorService scheduler;237        private ScheduledFuture<?> scheduledFuture;238        private final AtomicInteger counter = new AtomicInteger();239        public ObjectThatCancelsARepeatingTask(ScheduledExecutorService scheduler) {240            this.scheduler = scheduler;241        }242        public void scheduleATaskThatWillCancelItself(int interval, TimeUnit unit){243            scheduledFuture = scheduler.scheduleAtFixedRate(...

Source:PartitionTaskManagerTest.java

...21import org.drools.RuleBaseFactory;22import org.drools.common.InternalWorkingMemory;23import org.jmock.Expectations;24import org.jmock.Mockery;25import org.jmock.lib.concurrent.DeterministicScheduler;2627/**28 * Test case for PartitionTaskManager29 *30 * @author <a href="mailto:tirelli@post.com">Edson Tirelli</a>31 */32public class PartitionTaskManagerTest extends TestCase {33    Mockery context = new Mockery();34    private PartitionTaskManager manager;35    private InternalWorkingMemory workingMemory;3637    @Override38    public void setUp() {39        RuleBase rulebase = RuleBaseFactory.newRuleBase();40        workingMemory = (InternalWorkingMemory) rulebase.newStatefulSession();41        manager = new PartitionTaskManager( workingMemory );42    }4344    @Override45    protected void tearDown() throws Exception {4647    }4849    public void testEnqueueBeforeSettingExecutor() throws InterruptedException {50        final PartitionTaskManager.Action action = context.mock( PartitionTaskManager.Action.class );51        // set expectations for the scenario52        context.checking( new Expectations() {{53            oneOf( action ).execute( workingMemory );54        }});5556        manager.enqueue( action );5758        // this is a jmock helper class that implements the ExecutorService interface59        DeterministicScheduler pool = new DeterministicScheduler();60        // set the pool61        manager.setPool( pool );6263        // executes all pending actions using current thread64        pool.runUntilIdle();6566        // check expectations67        context.assertIsSatisfied();68    }6970    public void testFireCorrectly() throws InterruptedException {71        // creates a mock action72        final PartitionTaskManager.Action action = context.mock( PartitionTaskManager.Action.class );73        74        // this is a jmock helper class that implements the ExecutorService interface75        DeterministicScheduler pool = new DeterministicScheduler();76        // set the pool77        manager.setPool( pool );78        79        // set expectations for the scenario80        context.checking( new Expectations() {{81            oneOf( action ).execute( workingMemory );82        }});83        84        // fire scenario85        manager.enqueue( action );86        87        // executes all pending actions using current thread88        pool.runUntilIdle();89        90        // check expectations91        context.assertIsSatisfied();92    }9394    public void testActionCallbacks() throws InterruptedException {95        // creates a mock action96        final PartitionTaskManager.Action action = context.mock( PartitionTaskManager.Action.class );97        // this is a jmock helper class that implements the ExecutorService interface98        DeterministicScheduler pool = new DeterministicScheduler();99        100        // set expectations for the scenario101        context.checking( new Expectations() {{102            exactly(5).of( action ).execute( workingMemory );103        }});104        105        // enqueue before pool106        manager.enqueue( action );107        manager.enqueue( action );108109        // set the pool110        manager.setPool( pool );111        112        // enqueue after setting the pool
...

Source:QueuingPersonWriterTest.java

...9import org.jmock.Expectations;10import org.jmock.Mockery;11import org.jmock.integration.junit4.JMock;12import org.jmock.integration.junit4.JUnit4Mockery;13import org.jmock.lib.concurrent.DeterministicScheduler;14import org.junit.Before;15import org.junit.Test;16import org.junit.runner.RunWith;17import com.google.common.base.Optional;18@RunWith(JMock.class)19public class QueuingPersonWriterTest {20    private Mockery context = new JUnit4Mockery();21    22    private final PersonStore personStore = context.mock(PersonStore.class);23    24    private final Person person1 = new Person("person1", "person1", Publisher.BBC);25    private final Person person2 = new Person("person2", "person2", Publisher.BBC);26    27    private final Item item1 = new Item("item1", "item1", Publisher.BBC);28    private final Item item2 = new Item("item2", "item2", Publisher.BBC);29    30    private final DeterministicScheduler scheduler = new DeterministicScheduler();31    private QueuingPersonWriter writer;32    33    @Before34    public void setUp() {35        writer = new QueuingPersonWriter(personStore, new SystemOutAdapterLog(), scheduler);36    }37    38    @Test39    public void shouldWritePersonOnlyOnce() {40        writer.addItemToPerson((Person) person1.copy(), item1);41        writer.addItemToPerson((Person) person2.copy(), item1);42        writer.addItemToPerson((Person) person1.copy(), item2);43        writer.addItemToPerson((Person) person2.copy(), item2);44        ...

DeterministicScheduler

Using AI Code Generation

1import java.util.concurrent.TimeUnit;2import org.jmock.Mockery;3import org.jmock.lib.concurrent.DeterministicScheduler;4public class DeterministicSchedulerTest {5    public static void main(String[] args) {6        Mockery context = new Mockery();7        DeterministicScheduler scheduler = new DeterministicScheduler();8        scheduler.start();9        scheduler.scheduleAtFixedRate(new Runnable() {10            public void run() {11                System.out.println("Hello");12            }13        }, 1000, 1000, TimeUnit.MILLISECONDS);14        scheduler.advanceTime(10000, TimeUnit.MILLISECONDS);15        scheduler.stop();16        context.assertIsSatisfied();17    }18}

DeterministicScheduler

Using AI Code Generation

1import org.jmock.Mockery;2import org.jmock.integration.junit4.JUnit4Mockery;3import org.jmock.lib.concurrent.DeterministicScheduler;4import org.jmock.lib.concurrent.Synchroniser;5{6    public static void main(String[] args) throws Exception7    {8        Mockery context = new JUnit4Mockery();9        context.setThreadingPolicy(new Synchroniser());10        DeterministicScheduler scheduler = new DeterministicScheduler();11        scheduler.start();12        scheduler.advanceTime(1000);13        scheduler.stop();14    }15}16package org.jmock.lib.concurrent;17import org.jmock.lib.concurrent.DeterministicScheduler;18{19    private final DeterministicScheduler scheduler = new DeterministicScheduler();20    public Synchroniser()21    {22        super();23        scheduler.start();24    }25    public void waitUntilNotified(Object monitor)26    {27        scheduler.advanceTime(1000);28    }29    public void notify(Object monitor)30    {31        scheduler.advanceTime(1000);32    }33    public void notifyAll(Object monitor)34    {35        scheduler.advanceTime(1000);36    }37    public void join(Thread thread)38    {39        scheduler.advanceTime(1000);40    }41    public void sleep(long millis)42    {43        scheduler.advanceTime(millis);44    }45    public void yield()46    {47        scheduler.advanceTime(1000);48    }49}

DeterministicScheduler

Using AI Code Generation

1import org.jmock.Mockery;2import org.jmock.lib.concurrent.DeterministicScheduler;3import org.jmock.lib.concurrent.DeterministicRunner;4public class DeterministicSchedulerTest {5    public static void main(String[] args) {6        Mockery context = new Mockery();7        DeterministicScheduler scheduler = new DeterministicScheduler();8        DeterministicRunner runner = scheduler.createRunner();9        scheduler.start();10        runner.run(new Runnable() {11            public void run() {12                System.out.println("Hello World");13            }14        });15        scheduler.stop();16    }17}

DeterministicScheduler

Using AI Code Generation

1import org.jmock.Mockery;2import org.jmock.lib.concurrent.DeterministicScheduler;3import org.jmock.lib.concurrent.DeterministicExecutor;4import org.jmock.lib.concurrent.DeterministicRunnable;5import org.jmock.lib.concurrent.DeterministicTask;6import java.util.concurrent.Callable;7import java.util.concurrent.Executor;8import java.util.concurrent.Executors;9import java.util.concurrent.TimeUnit;10public class DeterministicSchedulerDemo {11    public static void main(String[] args) {12        Mockery context = new Mockery();13        DeterministicScheduler scheduler = new DeterministicScheduler();14        DeterministicExecutor executor = new DeterministicExecutor(scheduler);15        context.setThreadingPolicy(scheduler);16        DeterministicRunnable runnable = new DeterministicRunnable();17        executor.execute(runnable);18        scheduler.tick(1, TimeUnit.SECONDS);19        runnable.assertExecutedOnce();20        DeterministicTask<String> task = new DeterministicTask<String>(new Callable<String>() {21            public String call() throws Exception {22                return "Hello World!";23            }24        });25        executor.submit(task);26        scheduler.tick(2, TimeUnit.SECONDS);27        task.assertExecutedOnce();28        task.assertResult("Hello World!");29    }30}31	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)32	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:6)33	at org.jmock.lib.concurrent.DeterministicTask.assertResult(DeterministicTask.java:80)34	at DeterministicSchedulerDemo.main(DeterministicSchedulerDemo.java:35)

DeterministicScheduler

Using AI Code Generation

1import org.jmock.integration.junit3.MockObjectTestCase;2import org.jmock.lib.concurrent.DeterministicScheduler;3import org.jmock.core.Invocation;4import org.jmock.core.Stub;5import org.jmock.core.Stub;6import org.jmock.core.Stub;7public class MyTestCase extends MockObjectTestCase {8  private DeterministicScheduler scheduler;9  private MyObject myObject;10  private MyObject myObject2;11  private MyObject myObject3;12  protected void setUp() {13    scheduler = new DeterministicScheduler();14    myObject = (MyObject) mock(MyObject.class);15    myObject2 = (MyObject) mock(MyObject.class);16    myObject3 = (MyObject) mock(MyObject.class);17  }18  public void testMyObject() {19    myObject.doSomething();20    myObject2.doSomething();21    myObject3.doSomething();22    scheduler.advanceTime(1000);23  }24}25import org.jmock.integration.junit3.MockObjectTestCase;26import org.jmock.lib.concurrent.DeterministicScheduler;27import org.jmock.core.Invocation;28import org.jmock.core.Stub;29import org.jmock.core.Stub;30import org.jmock.core.Stub;31public class MyTestCase extends MockObjectTestCase {32  private DeterministicScheduler scheduler;33  private MyObject myObject;34  private MyObject myObject2;35  private MyObject myObject3;36  protected void setUp() {37    scheduler = new DeterministicScheduler();38    myObject = (MyObject) mock(MyObject.class);39    myObject2 = (MyObject) mock(MyObject.class);40    myObject3 = (MyObject) mock(MyObject.class);41  }42  public void testMyObject() {43    myObject.doSomething();44    myObject2.doSomething();45    myObject3.doSomething();46    scheduler.advanceTime(1000);47  }48}49import org.jmock.integration.junit3.MockObjectTestCase;50import org.jmock.lib.concurrent.DeterministicScheduler;51import org.jmock.core.Invocation;52import org.jmock.core.Stub;53import org.jmock.core.Stub;54import org.jmock.core.Stub;55public class MyTestCase extends MockObjectTestCase {56  private DeterministicScheduler scheduler;

DeterministicScheduler

Using AI Code Generation

1public class TestClass {2    public static void main(String[] args) {3        DeterministicScheduler scheduler = new DeterministicScheduler();4        scheduler.start();5        scheduler.waitUntilIdle();6        scheduler.stop();7    }8}9public class TestClass {10    public static void main(String[] args) {11        DeterministicScheduler scheduler = new DeterministicScheduler();12        scheduler.start();13        scheduler.advanceTime(1000, TimeUnit.MILLISECONDS);14        scheduler.stop();15    }16}17public class TestClass {18    public static void main(String[] args) {19        DeterministicScheduler scheduler = new DeterministicScheduler();20        scheduler.start();21        scheduler.advanceTime(1000, TimeUnit.MILLISECONDS);22        scheduler.advanceTime(1000, TimeUnit.MILLISECONDS);23        scheduler.stop();24    }25}26public class TestClass {27    public static void main(String[] args) {28        DeterministicScheduler scheduler = new DeterministicScheduler();29        scheduler.start();30        scheduler.advanceTime(1000, TimeUnit.MILLISECONDS);31        scheduler.advanceTime(1000, TimeUnit.MILLISECONDS);32        scheduler.advanceTime(1000, TimeUnit.MILLISECONDS);33        scheduler.stop();34    }35}

DeterministicScheduler

Using AI Code Generation

1import org.jmock.lib.concurrent.DeterministicScheduler;2import java.util.concurrent.TimeUnit;3public class TestScheduler {4public static void main(String[] args) {5DeterministicScheduler scheduler = new DeterministicScheduler();6scheduler.schedule(new Runnable() {7public void run() {8System.out.println("Scheduled task");9}10}, 5, TimeUnit.SECONDS);11scheduler.tick(5, TimeUnit.SECONDS);12}13}14import org.jmock.lib.concurrent.DeterministicScheduler;15import java.util.concurrent.TimeUnit;16public class TestScheduler {17public static void main(String[] args) {18DeterministicScheduler scheduler = new DeterministicScheduler();19scheduler.schedule(new Runnable() {20public void run() {21System.out.println("Scheduled task");22}23}, 5, TimeUnit.SECONDS);24scheduler.tick(5, TimeUnit.SECONDS);25}26}27import org.jmock.lib.concurrent.DeterministicScheduler;28import java.util.concurrent.TimeUnit;29public class TestScheduler {30public static void main(String[] args) {31DeterministicScheduler scheduler = new DeterministicScheduler();32scheduler.schedule(new Runnable() {33public void run() {34System.out.println("Scheduled task");35}36}, 5, TimeUnit.SECONDS);37scheduler.tick(5, TimeUnit.SECONDS);38}39}40import org.jmock.lib.concurrent.DeterministicScheduler;41import java.util.concurrent.TimeUnit;42public class TestScheduler {43public static void main(String[] args) {44DeterministicScheduler scheduler = new DeterministicScheduler();45scheduler.schedule(new Runnable() {46public void run() {47System.out.println("Scheduled task");48}49}, 5, TimeUnit.SECONDS);50scheduler.tick(5, TimeUnit.SECONDS);51}52}53import org.jmock.lib.concurrent.DeterministicScheduler;54import java.util.concurrent.TimeUnit;55public class TestScheduler {56public static void main(String[] args) {

DeterministicScheduler

Using AI Code Generation

1import org.jmock.*;2import org.jmock.lib.concurrent.*;3import junit.framework.*;4public class TestClass extends TestCase {5    public void testMethod() {6        Mockery context = new Mockery();7        final ClassToTest classToTest = context.mock(ClassToTest.class);8        DeterministicScheduler scheduler = new DeterministicScheduler();9        context.checking(new Expectations() {10            {11                oneOf(classToTest).method();12            }13        });14        classToTest.method();15        scheduler.run();16        context.assertIsSatisfied();17    }18}19import org.jmock.*;20import org.jmock.lib.concurrent.*;21import junit.framework.*;22public class TestClass extends TestCase {23    public void testMethod() {24        Mockery context = new Mockery();25        final ClassToTest classToTest = context.mock(ClassToTest.class);26        DeterministicScheduler scheduler = new DeterministicScheduler();27        context.checking(new Expectations() {28            {29                oneOf(classToTest).method();30            }31        });32        classToTest.method();33        scheduler.run();34        context.assertIsSatisfied();35    }36}37import org.jmock.*;38import org.jmock.lib.concurrent.*;39import junit.framework.*;40public class TestClass extends TestCase {41    public void testMethod() {42        Mockery context = new Mockery();43        final ClassToTest classToTest = context.mock(ClassToTest.class);44        DeterministicScheduler scheduler = new DeterministicScheduler();45        context.checking(new Expectations() {46            {47                oneOf(classToTest).method();48            }49        });50        classToTest.method();51        scheduler.run();52        context.assertIsSatisfied();53    }54}

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