1 files changed, 87 insertions, 0 deletions
diff --git a/music-core/src/test/java/org/onap/music/main/DeadlockDetectionUtilTest.java b/music-core/src/test/java/org/onap/music/main/DeadlockDetectionUtilTest.java
new file mode 100644
index 00000000..ab767e17
--- /dev/null
+++ b/music-core/src/test/java/org/onap/music/main/DeadlockDetectionUtilTest.java
@@ -0,0 +1,87 @@
+/*
+ * ============LICENSE_START==========================================
+ * org.onap.music
+ * ===================================================================
+ * Copyright (c) 2019 IBM Intellectual Property
+ * ===================================================================
+ *  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.music.main;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
+import org.junit.Before;
+import org.junit.Test;
+//import org.junit.experimental.runners.Enclosed;
+//import org.junit.runner.RunWith;
+import org.onap.music.main.DeadlockDetectionUtil.OwnershipType;
+
+//@RunWith(Enclosed.class)
+public class DeadlockDetectionUtilTest {
+	private DeadlockDetectionUtil ddu;
+
+	@Before
+	public void setup() {
+		ddu = new DeadlockDetectionUtil();
+	}
+
+	@Test
+	public void testListAllNodes() {
+		ddu = new DeadlockDetectionUtil();
+		ddu.setExisting("r1", "o2", OwnershipType.ACQUIRED);
+		ddu.setExisting("r3", "o2", OwnershipType.ACQUIRED);
+
+		ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+		System.setOut(new PrintStream(outContent));
+		ddu.listAllNodes();
+
+		/*
+		 * String expectedOutput = "In DeadlockDetectionUtil: \n" +
+		 * "		o2 : Node [id=o2, links=r3, visited=false, onStack=false]\n" +
+		 * "		r3 : Node [id=r3, links=, visited=false, onStack=false]\n" +
+		 * "		r1 : Node [id=r1, links=o2, visited=false, onStack=false]\n";
+		 * assertEquals(expectedOutput, outContent.toString());
+		 * 
+		 * ddu = new DeadlockDetectionUtil(); ddu.setExisting("111", "222",
+		 * OwnershipType.CREATED); ddu.setExisting("333", "222", OwnershipType.CREATED);
+		 * outContent = new ByteArrayOutputStream(); System.setOut(new
+		 * PrintStream(outContent)); ddu.listAllNodes(); expectedOutput =
+		 * "In DeadlockDetectionUtil: \n" +
+		 * "    o222 : Node [id=o222, links=r111r333, visited=false, onStack=false]\n" +
+		 * "    r333 : Node [id=r333, links=, visited=false, onStack=false]\n" +
+		 * "    r111 : Node [id=r111, links=, visited=false, onStack=false]";
+		 * assertEquals(expectedOutput, outContent.toString());
+		 */
+	}
+
+	@Test
+	public void testcheckForDeadlock() {
+		ddu = new DeadlockDetectionUtil();
+		ddu.setExisting("111", "222", DeadlockDetectionUtil.OwnershipType.ACQUIRED);
+		ddu.setExisting("333", "444", DeadlockDetectionUtil.OwnershipType.ACQUIRED);
+		assertEquals(false, ddu.checkForDeadlock("111", "444", DeadlockDetectionUtil.OwnershipType.CREATED));
+
+		ddu = new DeadlockDetectionUtil();
+		ddu.setExisting("111", "222", DeadlockDetectionUtil.OwnershipType.ACQUIRED);
+		ddu.setExisting("333", "444", DeadlockDetectionUtil.OwnershipType.ACQUIRED);
+		ddu.setExisting("333", "222", DeadlockDetectionUtil.OwnershipType.CREATED);
+		assertEquals(true, ddu.checkForDeadlock("111", "444", DeadlockDetectionUtil.OwnershipType.CREATED));
+	}
+}