1 files changed, 16 insertions, 0 deletions
diff --git a/vid-app-common/src/test/java/org/onap/vid/logging/ApacheClientMetricInterceptorTest.java b/vid-app-common/src/test/java/org/onap/vid/logging/ApacheClientMetricInterceptorTest.java
index 43f986501..0463581dc 100644
--- a/vid-app-common/src/test/java/org/onap/vid/logging/ApacheClientMetricInterceptorTest.java
+++ b/vid-app-common/src/test/java/org/onap/vid/logging/ApacheClientMetricInterceptorTest.java
@@ -27,6 +27,8 @@ import org.apache.http.HttpResponse;
 import org.apache.http.ProtocolVersion;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.message.BasicHttpResponse;
+import org.onap.logging.ref.slf4j.ONAPLogConstants;
+import org.slf4j.MDC;
 import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
@@ -42,6 +44,7 @@ public class ApacheClientMetricInterceptorTest {
         interceptor = new ApacheClientMetricInterceptor() {};
         request = new HttpGet(path);
         response = new BasicHttpResponse(new ProtocolVersion("a",1,2), 200, "ok");
+        MDC.clear();
     }
 
     @Test
@@ -74,4 +77,17 @@ public class ApacheClientMetricInterceptorTest {
     public void testGetTargetEntity() {
         assertNull(interceptor.getTargetEntity(request));
     }
+
+    @Test
+    protected void testAdditionalPre() {
+        request.addHeader(ONAPLogConstants.Headers.INVOCATION_ID, "123");
+        interceptor.additionalPre(request, request);
+        assertEquals(MDC.get(ONAPLogConstants.MDCs.INVOCATION_ID), "123");
+    }
+
+    @Test
+    protected void whenThereIsNoInvocationIdHeader_thenMdcValueIsNull() {
+        interceptor.additionalPre(request, request);
+        assertNull(MDC.get(ONAPLogConstants.MDCs.INVOCATION_ID));
+    }
 }