1 files changed, 50 insertions, 0 deletions
diff --git a/model/utiliites/src/test/java/org/onap/policy/apex/model/utilities/typeutils/TestKeyComparer.java b/model/utiliites/src/test/java/org/onap/policy/apex/model/utilities/typeutils/TestKeyComparer.java
new file mode 100644
index 000000000..c2e84c6fb
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+++ b/model/utiliites/src/test/java/org/onap/policy/apex/model/utilities/typeutils/TestKeyComparer.java
@@ -0,0 +1,50 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.model.utilities.typeutils;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.onap.policy.apex.model.utilities.comparison.KeyComparer;
+import org.onap.policy.apex.model.utilities.comparison.KeyDifference;
+
+/**
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class TestKeyComparer {
+
+    @Test
+    public void test() {
+        KeyDifference<String> keyDifference = new KeyComparer<String>().compareKeys("Hello", "Goodbye");
+        
+        assertFalse(keyDifference.isEqual());
+        assertTrue("Hello".equals(keyDifference.getLeftKey().toString()));
+        assertTrue("Goodbye".equals(keyDifference.getRightKey().toString()));
+
+        assertTrue("left key Hello and right key Goodbye differ\n".equals(keyDifference.asString(true)));
+        assertTrue("left key Hello and right key Goodbye differ\n".equals(keyDifference.asString(false)));
+        
+        KeyDifference<String> keyDifference2 = new KeyComparer<String>().compareKeys("Here", "Here");
+        assertTrue("".equals(keyDifference2.asString(true)));
+        assertTrue("left key Here equals right key Here\n".equals(keyDifference2.asString(false)));
+    }
+}