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diff --git a/src/test/java/org/onap/aai/datarouter/policy/GapEventTransformerTest.java b/src/test/java/org/onap/aai/datarouter/policy/GapEventTransformerTest.java
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+++ b/src/test/java/org/onap/aai/datarouter/policy/GapEventTransformerTest.java
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+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017-2018 Amdocs
+ * ================================================================================
+ * 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.aai.datarouter.policy;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.io.FileInputStream;
+
+import org.apache.commons.io.IOUtils;
+import org.json.JSONObject;
+import org.junit.Before;
+import org.junit.Test;
+
+
+
+public class GapEventTransformerTest {
+  GapEventTransformer policy;
+  String eventJson;
+  String eventJson2;
+
+  @SuppressWarnings("unchecked")
+  @Before
+  public void init() throws Exception {
+    policy = new GapEventTransformer();
+    FileInputStream event = new FileInputStream(new File("src/test/resources/gap_event.json"));
+    eventJson = IOUtils.toString(event, "UTF-8");
+    FileInputStream event2 =
+        new FileInputStream(new File("src/test/resources/gap_event_wrong.json"));
+    eventJson2 = IOUtils.toString(event2, "UTF-8");
+
+  }
+
+  @Test
+  public void testTransform_success() throws Exception {
+    JSONObject newPayloadJson = policy.transformToSpikePattern(eventJson.toString());
+    JSONObject payloadEntity = newPayloadJson.getJSONObject("vertex");
+    assertTrue(newPayloadJson.has("vertex"));
+    assertTrue(newPayloadJson.has("operation"));
+    assertEquals(newPayloadJson.get("operation"), "UPDATE");
+
+
+  }
+
+  @Test(expected = Exception.class)
+  public void testTransform_badPayload_fail() throws Exception {
+    policy.transformToSpikePattern(eventJson2.toString());
+  }
+
+}