replace test sleep() with awaitality package

Signed-off-by: Henry.Sun <henry.a.sun@est.tech>
Change-Id: I305771ddef42bd3032ad52f4c5ecd55b01ed5a1a
Issue-ID: POLICY-1914
Signed-off-by: Henry.Sun <henry.a.sun@est.tech>

3 files changed, 19 insertions, 22 deletions

diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restclient/src/test/java/org/onap/policy/apex/plugins/event/carrier/restclient/ApexRestClientConusmerTest.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restclient/src/test/java/org/onap/policy/apex/plugins/event/carrier/restclient/ApexRestClientConusmerTest.java
index 6face9e50..3341082c0 100644
--- a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restclient/src/test/java/org/onap/policy/apex/plugins/event/carrier/restclient/ApexRestClientConusmerTest.java
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restclient/src/test/java/org/onap/policy/apex/plugins/event/carrier/restclient/ApexRestClientConusmerTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019-2020 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +21,7 @@
 
 package org.onap.policy.apex.plugins.event.carrier.restclient;
 
+import static org.awaitility.Awaitility.await;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
@@ -28,6 +29,7 @@ import static org.junit.Assert.fail;
 
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
+import java.util.concurrent.TimeUnit;
 
 import javax.ws.rs.client.Client;
 import javax.ws.rs.client.Invocation.Builder;
@@ -39,7 +41,6 @@ import org.junit.Test;
 import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
-import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
 import org.onap.policy.apex.service.engine.event.ApexEventException;
 import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
 import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerPeeredMode;
@@ -119,7 +120,7 @@ public class ApexRestClientConusmerTest {
 
         // We have not set the URL, this test should not receive any events
         arcc.start();
-        ThreadUtilities.sleep(200);
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> incomingEventReceiver.getEventCount() == 0);
         arcc.stop();
         assertEquals(0, incomingEventReceiver.getEventCount());
 
@@ -127,7 +128,7 @@ public class ApexRestClientConusmerTest {
 
         // We have not set the URL, this test should not receive any events
         arcc.start();
-        ThreadUtilities.sleep(200);
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> incomingEventReceiver.getEventCount() == 0);
         arcc.stop();
         assertEquals(0, incomingEventReceiver.getEventCount());
     }
@@ -169,7 +170,7 @@ public class ApexRestClientConusmerTest {
 
         // We have not set the URL, this test should not receive any events
         arcc.start();
-        ThreadUtilities.sleep(200);
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> incomingEventReceiver.getEventCount() == 0);
         arcc.stop();
         assertEquals(0, incomingEventReceiver.getEventCount());
     }
@@ -214,14 +215,10 @@ public class ApexRestClientConusmerTest {
 
         // We have not set the URL, this test should not receive any events
         arcc.start();
-        ThreadUtilities.sleep(200);
+        await().atMost(400, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
+                        .contains("received an empty event from URL \"http://some.place.that.does.not/exist\""));
         arcc.stop();
-
         assertEquals(0, incomingEventReceiver.getEventCount());
-
-        final String outString = outContent.toString();
-
-        assertTrue(outString.contains("received an empty event from URL \"http://some.place.that.does.not/exist\""));
     }
 
     @Test
@@ -261,7 +258,8 @@ public class ApexRestClientConusmerTest {
 
         // We have not set the URL, this test should not receive any events
         arcc.start();
-        ThreadUtilities.sleep(200);
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
+                        .contains("received an empty event from URL \"http://some.place.that.does.not/exist\""));
         arcc.stop();
 
         assertEquals(0, incomingEventReceiver.getEventCount());
@@ -305,10 +303,9 @@ public class ApexRestClientConusmerTest {
 
         // We have not set the URL, this test should not receive any events
         arcc.start();
-        ThreadUtilities.sleep(200);
+        await().atMost(400, TimeUnit.MILLISECONDS).until(
+                () -> incomingEventReceiver.getLastEvent().equals("This is an event"));
         arcc.stop();
-
-        assertEquals("This is an event", incomingEventReceiver.getLastEvent());
     }
 
     @Test
@@ -349,7 +346,7 @@ public class ApexRestClientConusmerTest {
         try {
             // We have not set the URL, this test should not receive any events
             arcc.start();
-            ThreadUtilities.sleep(200);
+            await().atMost(200, TimeUnit.MILLISECONDS).until(() -> incomingEventReceiver.getEventCount() == 0);
             arcc.stop();
         } catch (Exception e) {
             // test invalid status code
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restrequestor/src/test/java/org/onap/policy/apex/plugins/event/carrier/restrequestor/ApexRestRequestorConsumerTest.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restrequestor/src/test/java/org/onap/policy/apex/plugins/event/carrier/restrequestor/ApexRestRequestorConsumerTest.java
index 46390f9d6..0c6067a75 100644
--- a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restrequestor/src/test/java/org/onap/policy/apex/plugins/event/carrier/restrequestor/ApexRestRequestorConsumerTest.java
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restrequestor/src/test/java/org/onap/policy/apex/plugins/event/carrier/restrequestor/ApexRestRequestorConsumerTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019-2020 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,11 +21,13 @@
 
 package org.onap.policy.apex.plugins.event.carrier.restrequestor;
 
+import static org.awaitility.Awaitility.await;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.fail;
 
 import java.util.Properties;
+import java.util.concurrent.TimeUnit;
 
 import org.junit.Test;
 import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
@@ -126,7 +128,7 @@ public class ApexRestRequestorConsumerTest {
         consumer.start();
         ApexRestRequest request = new ApexRestRequest(123, null, EVENT_NAME, EVENT_BODY);
         consumer.processRestRequest(request);
-        ThreadUtilities.sleep(200);
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> consumer.getEventsReceived() == 0);
         consumer.stop();
         assertEquals(0, consumer.getEventsReceived());
     }
@@ -152,7 +154,7 @@ public class ApexRestRequestorConsumerTest {
         consumer.start();
         ApexRestRequest request = new ApexRestRequest(123, properties, EVENT_NAME, EVENT_BODY);
         consumer.processRestRequest(request);
-        ThreadUtilities.sleep(2000);
+        await().atMost(2000, TimeUnit.MILLISECONDS).until(() -> consumer.getEventsReceived() == 0);
         consumer.stop();
         assertEquals(0, consumer.getEventsReceived());
     }
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restrequestor/src/test/java/org/onap/policy/apex/plugins/event/carrier/restrequestor/RestRequestorTest.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restrequestor/src/test/java/org/onap/policy/apex/plugins/event/carrier/restrequestor/RestRequestorTest.java
index a650d796f..55baf3cf7 100644
--- a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restrequestor/src/test/java/org/onap/policy/apex/plugins/event/carrier/restrequestor/RestRequestorTest.java
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restrequestor/src/test/java/org/onap/policy/apex/plugins/event/carrier/restrequestor/RestRequestorTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019-2020 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -365,8 +365,6 @@ public class RestRequestorTest {
         client.close();
 
         assertEquals(Double.valueOf(8.0), getsSoFar);
-
-        ThreadUtilities.sleep(1000);
     }
 
     /**