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Diffstat (limited to 'appc-common/src/test/java/org/openecomp/appc/concurrent/TestSignal.java')
-rw-r--r-- | appc-common/src/test/java/org/openecomp/appc/concurrent/TestSignal.java | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/appc-common/src/test/java/org/openecomp/appc/concurrent/TestSignal.java b/appc-common/src/test/java/org/openecomp/appc/concurrent/TestSignal.java new file mode 100644 index 000000000..1751b62d9 --- /dev/null +++ b/appc-common/src/test/java/org/openecomp/appc/concurrent/TestSignal.java @@ -0,0 +1,132 @@ +/*- + * ============LICENSE_START======================================================= + * openECOMP : APP-C + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights + * reserved. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ + +package org.openecomp.appc.concurrent; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +import java.text.DateFormat; +import java.text.SimpleDateFormat; +import java.util.Date; +import java.util.concurrent.TimeoutException; + +import org.junit.Test; +import org.openecomp.appc.concurrent.Signal; + +public class TestSignal { + + private static final DateFormat formatter = new SimpleDateFormat("HH:mm:ss.SSS"); + public static final String SIGNAL_READY = "READY"; + public static final String SIGNAL_SHUTDOWN = "SHUTDOWN"; + + @Test + public void TestSimpleSignal() throws TimeoutException { + + Signal mySignal = new Signal(Thread.currentThread()); + mySignal.setTimeout(5000L); + Fred fred = new Fred(mySignal); + Thread t1 = new Thread(fred); + + /* + * Verify that fred is dead, then start him and wait for him to signal us he is ready to proceed + */ + assertFalse(t1.isAlive()); + t1.start(); + System.out.println(formatter.format(new Date()) + " MAIN: Waiting for Ready..."); + mySignal.waitFor(SIGNAL_READY); + System.out.println(formatter.format(new Date()) + " MAIN: Signal Ready received"); + + /* + * Verify that fred is still alive and we will sleep for a while (simulate doing things) + */ + assertTrue(t1.isAlive()); + try { + Thread.sleep(250L); + } catch (InterruptedException e) { + // ignored + } + + /* + * Verify that fred is still alive and signal him to shutdown + */ + assertTrue(t1.isAlive()); + System.out.println(formatter.format(new Date()) + " MAIN: Signaling shutdown"); + fred.getSignal().signal(SIGNAL_SHUTDOWN); + + /* + * Wait a little bit + */ + try { + Thread.sleep(250L); + } catch (InterruptedException e) { + // ignored + } + + /* + * Verify that fred is dead now and that he completed normally + */ + System.out.println(formatter.format(new Date()) + " MAIN: Shutting down..."); + assertFalse(t1.isAlive()); + assertTrue(fred.isCompleted()); + } + + public class Fred implements Runnable { + private Signal signal; + private Signal parentSignal; + private boolean completed = false; + + public Fred(Signal parentSignal) { + this.parentSignal = parentSignal; + } + + @Override + public void run() { + signal = new Signal(Thread.currentThread()); + signal.setTimeout(5000L); + try { + Thread.sleep(250L); + } catch (InterruptedException e) { + // Ignore + } + + System.out.println(formatter.format(new Date()) + " FRED: Signaling ready..."); + parentSignal.signal(SIGNAL_READY); + + try { + System.out.println(formatter.format(new Date()) + " FRED: Waiting for shutdown..."); + signal.waitFor(SIGNAL_SHUTDOWN); + System.out.println(formatter.format(new Date()) + " FRED: Received shutdown"); + completed = true; + } catch (TimeoutException e) { + e.printStackTrace(); + } + } + + public boolean isCompleted() { + return completed; + } + + public Signal getSignal() { + return signal; + } + } +} |