Migrate to Java: AsyncShutdownTest

marianobarrios · May 5, 2024 · 8210b50 · 8210b50
1 parent 076b6ea
commit 8210b50
Show file tree

Hide file tree

Showing 4 changed files with 259 additions and 243 deletions.
diff --git a/src/test/scala/tlschannel/async/AsyncShutdownTest.java b/src/test/scala/tlschannel/async/AsyncShutdownTest.java
@@ -0,0 +1,100 @@
+package tlschannel.async;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInstance;
+import org.junit.jupiter.api.TestInstance.Lifecycle;
+import scala.jdk.javaapi.CollectionConverters;
+import tlschannel.helpers.SocketGroups;
+import tlschannel.helpers.SocketPairFactory;
+import tlschannel.helpers.SslContextFactory;
+
+@TestInstance(Lifecycle.PER_CLASS)
+public class AsyncShutdownTest implements AsyncTestBase {
+
+    private final SslContextFactory sslContextFactory = new SslContextFactory();
+    private final SocketPairFactory factory = new SocketPairFactory(sslContextFactory.defaultContext());
+
+    int bufferSize = 10;
+
+    @Test
+    public void testImmediateShutdown() throws InterruptedException {
+        System.out.println("testImmediateShutdown():");
+        AsynchronousTlsChannelGroup channelGroup = new AsynchronousTlsChannelGroup();
+        int socketPairCount = 50;
+        List<SocketGroups.AsyncSocketPair> socketPairs =
+                CollectionConverters.asJava(factory.asyncN(null, channelGroup, socketPairCount, true, false));
+        for (SocketGroups.AsyncSocketPair pair : socketPairs) {
+            ByteBuffer writeBuffer = ByteBuffer.allocate(bufferSize);
+            pair.client.external.write(writeBuffer);
+            ByteBuffer readBuffer = ByteBuffer.allocate(bufferSize);
+            pair.server.external.read(readBuffer);
+        }
+
+        assertFalse(channelGroup.isTerminated());
+
+        channelGroup.shutdownNow();
+
+        // terminated even after a relatively short timeout
+        boolean terminated = channelGroup.awaitTermination(100, TimeUnit.MILLISECONDS);
+        assertTrue(terminated);
+        assertTrue(channelGroup.isTerminated());
+        assertChannelGroupConsistency(channelGroup);
+
+        printChannelGroupStatus(channelGroup);
+    }
+
+    @Test
+    public void testNonImmediateShutdown() throws InterruptedException, IOException {
+        System.out.println("testNonImmediateShutdown():");
+        AsynchronousTlsChannelGroup channelGroup = new AsynchronousTlsChannelGroup();
+        int socketPairCount = 50;
+        List<SocketGroups.AsyncSocketPair> socketPairs =
+                CollectionConverters.asJava(factory.asyncN(null, channelGroup, socketPairCount, true, false));
+        for (SocketGroups.AsyncSocketPair pair : socketPairs) {
+            ByteBuffer writeBuffer = ByteBuffer.allocate(bufferSize);
+            pair.client.external.write(writeBuffer);
+            ByteBuffer readBuffer = ByteBuffer.allocate(bufferSize);
+            pair.server.external.read(readBuffer);
+        }
+
+        assertFalse(channelGroup.isTerminated());
+
+        channelGroup.shutdown();
+
+        {
+            // not terminated even after a relatively long timeout
+            boolean terminated = channelGroup.awaitTermination(2000, TimeUnit.MILLISECONDS);
+            assertFalse(terminated);
+            assertFalse(channelGroup.isTerminated());
+        }
+
+        for (SocketGroups.AsyncSocketPair pair : socketPairs) {
+            pair.client.external.close();
+            pair.server.external.close();
+        }
+
+        {
+            // terminated even after a relatively short timeout
+            boolean terminated = channelGroup.awaitTermination(100, TimeUnit.MILLISECONDS);
+            assertTrue(terminated);
+            assertTrue(channelGroup.isTerminated());
+        }
+
+        assertChannelGroupConsistency(channelGroup);
+
+        assertEquals(0, channelGroup.getCancelledReadCount());
+        assertEquals(0, channelGroup.getCancelledWriteCount());
+        assertEquals(0, channelGroup.getFailedReadCount());
+        assertEquals(0, channelGroup.getFailedWriteCount());
+
+        printChannelGroupStatus(channelGroup);
+    }
+}
diff --git a/src/test/scala/tlschannel/async/AsyncShutdownTest.scala b/src/test/scala/tlschannel/async/AsyncShutdownTest.scala
diff --git a/src/test/scala/tlschannel/async/AsyncTimeoutTest.java b/src/test/scala/tlschannel/async/AsyncTimeoutTest.java
@@ -0,0 +1,159 @@
+package tlschannel.async;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.CompletionHandler;
+import java.util.List;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.LongAdder;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInstance;
+import org.junit.jupiter.api.TestInstance.Lifecycle;
+import scala.jdk.javaapi.CollectionConverters;
+import tlschannel.helpers.SocketGroups;
+import tlschannel.helpers.SocketPairFactory;
+import tlschannel.helpers.SslContextFactory;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+@TestInstance(Lifecycle.PER_CLASS)
+public class AsyncTimeoutTest implements AsyncTestBase {
+
+    SslContextFactory sslContextFactory = new SslContextFactory();
+    SocketPairFactory factory = new SocketPairFactory(sslContextFactory.defaultContext());
+
+    private static final int bufferSize = 10;
+
+    private static final int repetitions = 50;
+
+    // scheduled timeout
+    @Test
+    public void testScheduledTimeout() throws IOException {
+        System.out.println("testScheduledTimeout()");
+        AsynchronousTlsChannelGroup channelGroup = new AsynchronousTlsChannelGroup();
+        LongAdder successWrites = new LongAdder();
+        LongAdder successReads = new LongAdder();
+        for (int i = 1; i <= repetitions; i++) {
+            int socketPairCount = 50;
+            List<SocketGroups.AsyncSocketPair> socketPairs =
+                    CollectionConverters.asJava(factory.asyncN(null, channelGroup, socketPairCount, true, false));
+            CountDownLatch latch = new CountDownLatch(socketPairCount * 2);
+            for (SocketGroups.AsyncSocketPair pair : socketPairs) {
+                ByteBuffer writeBuffer = ByteBuffer.allocate(bufferSize);
+                AtomicBoolean clientDone = new AtomicBoolean();
+                pair.client.external.write(
+                        writeBuffer, 50, TimeUnit.MILLISECONDS, null, new CompletionHandler<Integer, Object>() {
+                            @Override
+                            public void failed(Throwable exc, Object attachment) {
+                                if (!clientDone.compareAndSet(false, true)) {
+                                    Assertions.fail();
+                                }
+                                latch.countDown();
+                            }
+
+                            @Override
+                            public void completed(Integer result, Object attachment) {
+                                if (!clientDone.compareAndSet(false, true)) {
+                                    Assertions.fail();
+                                }
+                                latch.countDown();
+                                successWrites.increment();
+                            }
+                        });
+                ByteBuffer readBuffer = ByteBuffer.allocate(bufferSize);
+                AtomicBoolean serverDone = new AtomicBoolean();
+                pair.server.external.read(
+                        readBuffer, 100, TimeUnit.MILLISECONDS, null, new CompletionHandler<Integer, Object>() {
+                            @Override
+                            public void failed(Throwable exc, Object attachment) {
+                                if (!serverDone.compareAndSet(false, true)) {
+                                    Assertions.fail();
+                                }
+                                latch.countDown();
+                            }
+
+                            @Override
+                            public void completed(Integer result, Object attachment) {
+                                if (!serverDone.compareAndSet(false, true)) {
+                                    Assertions.fail();
+                                }
+                                latch.countDown();
+                                successReads.increment();
+                            }
+                        });
+            }
+            try {
+                latch.await();
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+            for (SocketGroups.AsyncSocketPair pair : socketPairs) {
+                pair.client.external.close();
+                pair.server.external.close();
+            }
+        }
+
+        shutdownChannelGroup(channelGroup);
+        assertChannelGroupConsistency(channelGroup);
+
+        assertEquals(0, channelGroup.getFailedReadCount());
+        assertEquals(0, channelGroup.getFailedWriteCount());
+
+        assertEquals(channelGroup.getSuccessfulWriteCount(), successWrites.longValue());
+        assertEquals(channelGroup.getSuccessfulReadCount(), successReads.longValue());
+
+        System.out.printf("success writes:     %8d\n", successWrites.longValue());
+        System.out.printf("success reads:      %8d\n", successReads.longValue());
+        printChannelGroupStatus(channelGroup);
+    }
+
+    // triggered timeout
+    @Test
+    public void testTriggeredTimeout() throws IOException {
+        System.out.println("testScheduledTimeout()");
+        AsynchronousTlsChannelGroup channelGroup = new AsynchronousTlsChannelGroup();
+        int successfulWriteCancellations = 0;
+        int successfulReadCancellations = 0;
+        for (int i = 1; i <= repetitions; i++) {
+            int socketPairCount = 50;
+            List<SocketGroups.AsyncSocketPair> socketPairs =
+                    CollectionConverters.asJava(factory.asyncN(null, channelGroup, socketPairCount, true, false));
+
+            for (SocketGroups.AsyncSocketPair pair : socketPairs) {
+                ByteBuffer writeBuffer = ByteBuffer.allocate(bufferSize);
+                Future<Integer> writeFuture = pair.client.external.write(writeBuffer);
+                if (writeFuture.cancel(true)) {
+                    successfulWriteCancellations += 1;
+                }
+            }
+
+            for (SocketGroups.AsyncSocketPair pair : socketPairs) {
+                ByteBuffer readBuffer = ByteBuffer.allocate(bufferSize);
+                Future<Integer> readFuture = pair.server.external.read(readBuffer);
+                if (readFuture.cancel(true)) {
+                    successfulReadCancellations += 1;
+                }
+            }
+
+            for (SocketGroups.AsyncSocketPair pair : socketPairs) {
+                pair.client.external.close();
+                pair.server.external.close();
+            }
+        }
+        shutdownChannelGroup(channelGroup);
+        assertChannelGroupConsistency(channelGroup);
+
+        assertEquals(0, channelGroup.getFailedReadCount());
+        assertEquals(0, channelGroup.getFailedWriteCount());
+
+        assertEquals(channelGroup.getCancelledWriteCount(), successfulWriteCancellations);
+        assertEquals(channelGroup.getCancelledReadCount(), successfulReadCancellations);
+
+        System.out.printf("success writes:     %8d\n", channelGroup.getSuccessfulWriteCount());
+        System.out.printf("success reads:      %8d\n", channelGroup.getSuccessfulReadCount());
+    }
+}