adding UTs

provider/notification-azure/lombok.config

+# The file makes Jacoco understand that the Lambok's @Data's creation, should not be accounted for Jacoco's analysis.
 config.stopBubbling = true
 lombok.addLombokGeneratedAnnotation = true
\ No newline at end of file

provider/notification-azure/src/test/java/org/opengroup/osdu/notification/provider/azure/EventGridRequestBodyExtractorTest.java

@@ -17,6 +17,7 @@ package org.opengroup.osdu.notification.provider.azure;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.opengroup.osdu.core.common.logging.JaxRsDpsLog;
@@ -31,6 +32,7 @@ import java.io.StringReader;
 import java.util.Map;
 
 import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;
 
 @RunWith(MockitoJUnitRunner.class)
@@ -337,7 +339,7 @@ public class EventGridRequestBodyExtractorTest {
 
     @Test
     public void should_throwWhenHandshakeRequest_extractDataFromRequestBody() throws IOException {
-        String vaidRequestRoot = "    [{\n" +
+        String inVaidRequestRoot = "    [{\n" +
                 "        \"id\": \"testId\",\n" +
                 "        \"topic\": \"testTopic\",\n" +
                 "        \"subject\": \"\",\n" +
@@ -350,7 +352,7 @@ public class EventGridRequestBodyExtractorTest {
                 "        \"metadataVersion\": \"1\",\n" +
                 "        \"dataVersion\": \"2\"\n" +
                 "    }]";
-        BufferedReader reader = new BufferedReader(new StringReader(vaidRequestRoot));
+        BufferedReader reader = new BufferedReader(new StringReader(inVaidRequestRoot));
         when(this.httpServletRequest.getReader()).thenReturn(reader);
         sut = new EventGridRequestBodyExtractor(httpServletRequest, log);
 
@@ -360,4 +362,51 @@ public class EventGridRequestBodyExtractorTest {
         Assert.assertNull(observedAttributes);
     }
 
+    @Test
+    public void should_returnNotificationId_extractNotificationIdFromRequestBody() throws IOException {
+        // Set Up
+        String vaidRequestRoot = "[{\n" +
+                "        \"id\": \"2425\",\n" +
+                "        \"eventType\": \"recordInserted\",\n" +
+                "        \"subject\": \"myapp/vehicles/motorcycles\",\n" +
+                "        \"data\": {\n" +
+                "            \"attributes\": {\n" +
+                "                \"correlation-id\": \"39137f49-67d6-4001-a6aa-15521ef4f49e\",\n" +
+                "                \"data-partition-id\": \"opendes\"\n" +
+                "            },\n" +
+                "            \"data\": \"W3sia2luZCI6InRlc3RraW5kIiwiaWQiOiJ0ZXN0aWQiLCJvcGVyYXRpb250eXBlIjoiY3JlYXRlIn0seyJraW5kIjoidGVzdGtpbmQyIiwiaWQiOiJ0ZXN0aWQyIiwib3BlcmF0aW9udHlwZSI6InVwZGF0ZSJ9XQ\",\n" +
+                "            \"messageId\": \"136969346945\"\n" +
+                "        },\n" +
+                "        \"dataVersion\": \"1.0\",\n" +
+                "        \"metadataVersion\": \"1\",\n" +
+                "        \"eventTime\": \"2020-08-14T18:04:12+00:00\",\n" +
+                "        \"topic\": \"/subscriptions/asdf/resourceGroups/komakkar-OSDU-RG/providers/Microsoft.EventGrid/topics/recordChanged\"\n" +
+                "    }]";
+        BufferedReader reader = new BufferedReader(new StringReader(vaidRequestRoot));
+        when(this.httpServletRequest.getReader()).thenReturn(reader);
+        when(this.httpServletRequest.getHeader("Aeg-Subscription-Name")).thenReturn("NotificationId");
+        sut = new EventGridRequestBodyExtractor(httpServletRequest, log);
+
+        // Act
+        String observed = sut.extractNotificationIdFromRequestBody();
+
+        // Assert
+        Assert.assertEquals("NotificationId", observed);
+
+        // Set Up
+        when(this.httpServletRequest.getHeader("Aeg-Subscription-Name")).thenReturn(null);
+
+        try {
+            // Act
+            this.sut.extractNotificationIdFromRequestBody();
+
+            // Asset
+            fail("Should Throw Exception");
+        } catch (AppException appException){
+            Assert.assertEquals(HttpStatus.BAD_REQUEST.value(), appException.getError().getCode());
+            Assert.assertEquals("Subscription ID not found", appException.getError().getMessage());
+        } catch (Exception exception) {
+            fail("Should Throw AppException");
+        }
+    }
 }