1 files changed, 112 insertions, 0 deletions
diff --git a/utils-test/src/test/java/org/onap/policy/common/utils/time/SleepItemTest.java b/utils-test/src/test/java/org/onap/policy/common/utils/time/SleepItemTest.java
new file mode 100644
index 00000000..dbd54781
--- /dev/null
+++ b/utils-test/src/test/java/org/onap/policy/common/utils/time/SleepItemTest.java
@@ -0,0 +1,112 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.policy.common.utils.time;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import org.junit.Before;
+import org.junit.Test;
+
+public class SleepItemTest {
+    private static final int SLEEP_MS = 250;
+    private static final long MAX_WAIT_MS = 5000L;
+
+    private TestTime currentTime;
+    private Thread thread;
+    private CountDownLatch started;
+    private CountDownLatch finished;
+    private volatile InterruptedException threadEx;
+    private SleepItem item;
+
+    /**
+     * Sets up objects, including {@link #item}.
+     */
+    @Before
+    public void setUp() {
+        currentTime = new TestTime();
+        started = new CountDownLatch(1);
+        finished = new CountDownLatch(1);
+
+        thread = new Thread() {
+            @Override
+            public void run() {
+                try {
+                    started.countDown();
+                    item.await();
+                } catch (InterruptedException e) {
+                    Thread.currentThread().interrupt();
+                    threadEx = e;
+                }
+
+                finished.countDown();
+            }
+        };
+        thread.setDaemon(true);
+
+        item = new SleepItem(currentTime, SLEEP_MS, thread);
+    }
+
+    @Test
+    public void testInterrupt() throws InterruptedException {
+        startThread();
+
+        item.interrupt();
+
+        assertTrue(finished.await(MAX_WAIT_MS, TimeUnit.MILLISECONDS));
+        assertNotNull(threadEx);
+    }
+
+    @Test
+    public void testFire_testAwait() throws InterruptedException {
+        startThread();
+
+        // verify that it hasn't finished yet
+        thread.join(250);
+        assertTrue(finished.getCount() > 0);
+
+        // now fire it and verify that it finishes
+        item.fire();
+        assertTrue(finished.await(MAX_WAIT_MS, TimeUnit.MILLISECONDS));
+
+        assertNull(threadEx);
+    }
+
+    @Test
+    public void testSleepItem() {
+        assertEquals(currentTime.getMillis() + SLEEP_MS, item.getNextMs());
+    }
+
+    @Test
+    public void testToString() {
+        assertNotNull(item.toString());
+    }
+
+
+    private void startThread() throws InterruptedException {
+        thread.start();
+        started.await();
+    }
+}