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>

1 files changed, 16 insertions, 32 deletions

diff --git a/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/main/ApexMainTest.java b/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/main/ApexMainTest.java
index 86ae99ec7..4b05c525c 100644
--- a/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/main/ApexMainTest.java
+++ b/services/services-engine/src/test/java/org/onap/policy/apex/service/engine/main/ApexMainTest.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 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.
@@ -20,6 +21,7 @@
 
 package org.onap.policy.apex.service.engine.main;
 
+import static org.awaitility.Awaitility.await;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
@@ -28,9 +30,10 @@ import java.io.OutputStream;
 import java.io.PrintStream;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
 import org.junit.After;
 import org.junit.Test;
-import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
 import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
 import org.onap.policy.apex.service.parameters.ApexParameters;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyIdentifier;
@@ -57,11 +60,8 @@ public class ApexMainTest {
         System.setOut(new PrintStream(outContent));
 
         ApexMain.main(null);
-        ThreadUtilities.sleep(200);
-
-        final String outString = outContent.toString();
-
-        assertTrue(outString.contains("Apex configuration file was not specified as an argument"));
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
+                .contains("Apex configuration file was not specified as an argument"));
     }
 
     @Test
@@ -72,12 +72,9 @@ public class ApexMainTest {
         String[] args = { "-whee" };
 
         final ApexMain apexMain = new ApexMain(args);
-        ThreadUtilities.sleep(200);
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
+                .contains("invalid command line arguments specified : Unrecognized option: -whee"));
         apexMain.shutdown();
-
-        final String outString = outContent.toString();
-
-        assertTrue(outString.contains("invalid command line arguments specified : Unrecognized option: -whee"));
     }
 
     @Test
@@ -88,12 +85,9 @@ public class ApexMainTest {
         String[] args = { "-h" };
 
         final ApexMain apexMain = new ApexMain(args);
-        ThreadUtilities.sleep(200);
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
+                .contains("usage: org.onap.policy.apex.service.engine.main.ApexMain [options...]"));
         apexMain.shutdown();
-
-        final String outString = outContent.toString();
-
-        assertTrue(outString.contains("usage: org.onap.policy.apex.service.engine.main.ApexMain [options...]"));
     }
 
     @Test
@@ -104,12 +98,9 @@ public class ApexMainTest {
         String[] args = { "-c", "src/test/resources/parameters/badParams.json" };
 
         final ApexMain apexMain = new ApexMain(args);
-        ThreadUtilities.sleep(200);
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
+                .contains("parameter group has status INVALID"));
         apexMain.shutdown();
-
-        final String outString = outContent.toString();
-
-        assertTrue(outString.contains("parameter group has status INVALID"));
     }
 
     @Test
@@ -122,12 +113,9 @@ public class ApexMainTest {
         final ApexMain apexMain = new ApexMain(args);
         assertEquals("MyApexEngine",
             apexMain.getApexParametersMap().values().iterator().next().getEngineServiceParameters().getName());
-        ThreadUtilities.sleep(200);
+        await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
+                .contains("Added the action listener to the engine"));
         apexMain.shutdown();
-
-        final String outString = outContent.toString();
-
-        assertTrue(outString.contains("Added the action listener to the engine"));
     }
 
     @Test
@@ -143,13 +131,9 @@ public class ApexMainTest {
 
         assertEquals("trust-store-file", System.getProperty("javax.net.ssl.trustStore"));
         assertEquals("Pol1cy_0nap", System.getProperty("javax.net.ssl.trustStorePassword"));
-        ThreadUtilities.sleep(200);
+        await().atMost(10000, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
+                .contains("Added the action listener to the engine"));
         apexMain.shutdown();
-
-        ThreadUtilities.sleep(10000);
-        final String outString = outContent.toString();
-
-        assertTrue(outString.contains("Added the action listener to the engine"));
     }
 
     @Test