How to use CompletableFuture method of mock.async.QueueConsumer class

Best Karate code snippet using mock.async.QueueConsumer.CompletableFuture

Source:QueueConsumer.java

1package mock.async;2import java.util.ArrayList;3import java.util.List;4import java.util.concurrent.CompletableFuture;5import java.util.concurrent.TimeUnit;6import java.util.function.Predicate;7import javax.jms.Connection;8import javax.jms.Destination;9import javax.jms.MessageConsumer;10import javax.jms.Session;11import javax.jms.TextMessage;12import org.slf4j.Logger;13import org.slf4j.LoggerFactory;14public class QueueConsumer {15    private static final Logger logger = LoggerFactory.getLogger(QueueConsumer.class);16    public static final String QUEUE_NAME = "MOCK.ASYNC";17    private final Connection connection;18    private final MessageConsumer consumer;19    private final Session session;20    // in more complex tests or for re-usability, this field and append() /21    // collect() / clear() methods can be in a separate / static class22    private final List messages = new ArrayList();23    public synchronized void append(Object message) {24        messages.add(message);25        if (condition.test(message)) {26            logger.debug("condition met, will signal completion");27            future.complete(Boolean.TRUE);28        } else {29            logger.debug("condition not met, will continue waiting");30        }31    }32    public synchronized List collect() {33        return messages;34    }35    36    private CompletableFuture future = new CompletableFuture();37    private Predicate condition = o -> true; // just a default38    39    // note how you can pass data in from the test for very dynamic checks40    public List waitUntilCount(int count) {        41        condition = o -> messages.size() == count;42        try {43            future.get(5000, TimeUnit.MILLISECONDS);44        } catch (Exception e) {45            logger.error("wait timed out: {}", e + "");46        }47        return messages;48    }49    public QueueConsumer() {50        this.connection = QueueUtils.getConnection();...

CompletableFuture

Using AI Code Generation

1package mock.async;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.ExecutionException;4import java.util.concurrent.ExecutorService;5import java.util.concurrent.Executors;6import java.util.concurrent.TimeUnit;7import java.util.concurrent.TimeoutException;8import java.util.function.Supplier;9public class QueueConsumer {10    private static final ExecutorService EXECUTOR = Executors.newSingleThreadExecutor();11    public static void main(String[] args) {12        QueueConsumer consumer = new QueueConsumer();13        CompletableFuture<String> future = CompletableFuture.supplyAsync(consumer::consumeQueue, EXECUTOR);14        try {15            String value = future.get(5, TimeUnit.SECONDS);16            System.out.println("The value is: " + value);17        } catch (InterruptedException | ExecutionException | TimeoutException e) {18            System.out.println("Error: " + e);19        }20    }21    public String consumeQueue() {22        try {23            Thread.sleep(3000);24        } catch (InterruptedException e) {25            e.printStackTrace();26        }27        return "Hello World!";28    }29}30package mock.async;31import java.util.concurrent.CompletableFuture;32import java.util.concurrent.ExecutionException;33import java.util.concurrent.ExecutorService;34import java.util.concurrent.Executors;35import java.util.concurrent.TimeUnit;36import java.util.concurrent.TimeoutException;37import java.util.function.Supplier;38public class QueueConsumer {39    private static final ExecutorService EXECUTOR = Executors.newSingleThreadExecutor();40    public static void main(String[] args) {41        QueueConsumer consumer = new QueueConsumer();42        CompletableFuture<String> future = CompletableFuture.supplyAsync(consumer::consumeQueue, EXECUTOR);43        try {44            String value = future.get(5, TimeUnit.SECONDS);45            System.out.println("The value is: " + value);46        } catch (InterruptedException | ExecutionException | TimeoutException e) {47            System.out.println("Error: " + e);48        }49    }50    public String consumeQueue() {51        try {52            Thread.sleep(3000);53        } catch (InterruptedException e) {54            e.printStackTrace();55        }56        return "Hello World!";57    }58}59package mock.async;60import java.util.concurrent.CompletableFuture;61import java.util.concurrent.ExecutionException;62import java.util.concurrent.ExecutorService;63import java.util.concurrent.Executors;64import java.util

CompletableFuture

Using AI Code Generation

1public class QueueConsumer {2    private final Queue<CompletableFuture<Boolean>> queue = new ConcurrentLinkedQueue<>();3    private final ExecutorService executorService = Executors.newSingleThreadExecutor();4    private final ExecutorService executorService2 = Executors.newSingleThreadExecutor();5    public void add(CompletableFuture<Boolean> completableFuture) {6        queue.add(completableFuture);7    }8    public void start() {9        executorService.execute(() -> {10            while (true) {11                CompletableFuture<Boolean> completableFuture = queue.poll();12                if (completableFuture != null) {13                    completableFuture.complete(true);14                }15            }16        });17    }18    public void stop() {19        executorService.shutdown();20    }21    public void start2() {22        executorService2.execute(() -> {23            while (true) {24                CompletableFuture<Boolean> completableFuture = queue.poll();25                if (completableFuture != null) {26                    completableFuture.complete(true);27                }28            }29        });30    }31    public void stop2() {32        executorService2.shutdown();33    }34}35public class QueueConsumerTest {36    public void test() throws InterruptedException {37        QueueConsumer queueConsumer = new QueueConsumer();38        queueConsumer.start();39        CompletableFuture<Boolean> completableFuture = new CompletableFuture<>();40        queueConsumer.add(completableFuture);41        completableFuture.thenAccept(aBoolean -> System.out.println(aBoolean));42        Thread.sleep(1000);43        queueConsumer.stop();44    }45}46public class QueueConsumerTest2 {47    public void test() throws InterruptedException {48        QueueConsumer queueConsumer = new QueueConsumer();49        queueConsumer.start2();50        CompletableFuture<Boolean> completableFuture = new CompletableFuture<>();51        queueConsumer.add(completableFuture);52        completableFuture.thenAccept(aBoolean -> System.out.println(aBoolean));53        Thread.sleep(1000);54        queueConsumer.stop2();55    }56}57public class QueueConsumerTest3 {58    public void test() throws InterruptedException {59        QueueConsumer queueConsumer = new QueueConsumer();60        queueConsumer.start();61        CompletableFuture<Boolean> completableFuture = new CompletableFuture<>();

CompletableFuture

Using AI Code Generation

1    [Test[]: public void testGetMessage() {2        QueueConsumer mock = mock(QueueConsumer.class);3        when(mock.getMessage()).thenReturn("Hello World");4        String message = mock.getMessage();5        assertEquals("Hello World", message);6    }7}8The testGetMessage() method is used to test the getMessage() method of the QueueConsumer class. The mock object is created for the QueueConsumer class. The when() method of the Mockito class is used to mock the getMessage() method of the QueueConsumer class. The getMessage() method of the mock object is called and the result is stored in the message variable. The assertEquals

CompletableFuture

Using AI Code Generation

1package com.mock.async;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.ExecutorService;4import java.util.concurrent.Executors;5import java.util.concurrent.TimeUnit;6public class QueueConsumer {7    public static void main(String[] args) {8        ExecutorService executor = Executors.newSingleThreadExecutor();9        CompletableFuture.runAsync(() -> {10            try {11                consume();12            } catch (InterruptedException e) {13                e.printStackTrace();14            }15        }, executor);16        executor.shutdown();17    }18    private static void consume() throws InterruptedException {19        while (true) {20            String message = consumeMessage();21            if (message == null) {22                TimeUnit.MILLISECONDS.sleep(100);23                continue;24            }25            System.out.println("Consumed message: " + message);26        }27    }28    private static String consumeMessage() {

CompletableFuture

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2public class QueueConsumer {3    public CompletableFuture<String> consume() {4        return CompletableFuture.completedFuture("Hello World");5    }6}7public class QueueConsumerTest {8    public void testConsume() {9        QueueConsumer consumer = new QueueConsumer();10        CompletableFuture<String> future = consumer.consume();11        String result = future.get();12        assertEquals("Hello World", result);13    }14}15public class QueueConsumerTest {16    public void testConsume() {17        QueueConsumer consumer = new QueueConsumer();18        CompletableFuture<String> future = consumer.consume();19        future.thenAccept(result -> {20            assertEquals("Hello World", result);21        });22    }23}24public class QueueConsumerTest {25    public void testConsume() {26        QueueConsumer consumer = new QueueConsumer();27        CompletableFuture<String> future = consumer.consume();28        future.thenAccept(result -> {29            assertEquals("Hello World", result);30        }).thenRun(() -> {31            System.out.println("Test completed");32        });33    }34}35public class QueueConsumerTest {36    public void testConsume() {37        QueueConsumer consumer = new QueueConsumer();38        CompletableFuture<String> future = consumer.consume();39        future.thenAccept(result -> {40            assertEquals("Hello World", result);41        }).thenRun(() -> {42            System.out.println("Test completed");43        }).join();44    }45}46public class QueueConsumerTest {47    public void testConsume() {48        QueueConsumer consumer = new QueueConsumer();49        CompletableFuture<String> future = consumer.consume();50        future.thenAccept(result -> {51            assertEquals("Hello World", result);52        }).thenRun(() -> {53            System.out.println("Test completed");54        }).join();55    }56}57public class QueueConsumerTest {

CompletableFuture

Using AI Code Generation

1import java.util.concurrent.CompletableFuture;2import java.util.concurrent.TimeUnit;3import java.util.concurrent.TimeoutException;4import java.util.concurrent.atomic.AtomicInteger;5import java.util.stream.IntStream;6public class QueueConsumer {7    public static void main(String[] args) {8        AtomicInteger counter = new AtomicInteger();9        IntStream.range(0, 10)10                .mapToObj(i -> CompletableFuture.supplyAsync(() -> i))11                .forEach(f -> f.thenAcceptAsync(i -> {12                    try {13                        TimeUnit.SECONDS.sleep(1);14                    } catch (InterruptedException e) {15                        e.printStackTrace();16                    }17                    System.out.println("Consumed: " + i);18                    counter.incrementAndGet();19                }));20        try {21            TimeUnit.SECONDS.sleep(10);22        } catch (InterruptedException e) {23            e.printStackTrace();24        }25        if (counter.get() == 10) {26            System.out.println("All messages consumed");27        } else {28            throw new TimeoutException("Did not consume all messages");29        }30    }31}

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