GraphErrorResponseCopy test

Author: ramsessanchez

src/main/java/com/microsoft/graph/http/GraphErrorResponse.java

@@ -77,7 +77,7 @@ public final AdditionalDataManager additionalDataManager() {
      * @param response The GraphErrorResponse we want to copy
      * @return The copy of the specified GraphErrorResponse
      */
-    public static GraphErrorResponse getErrorCopy(GraphErrorResponse response)
+    public static GraphErrorResponse getErrorResponseCopy(GraphErrorResponse response)
     {
         GraphErrorResponse copy = new GraphErrorResponse();
         copy.additionalDataManager = response.additionalDataManager(); //We are okay with keeping the dataManager intact

src/main/java/com/microsoft/graph/http/GraphServiceException.java

@@ -212,7 +212,7 @@ public List<String> getResponseHeaders() {
      */
     @Nullable
     public GraphErrorResponse getError() {
-        return GraphErrorResponse.getErrorCopy(error);
+        return GraphErrorResponse.getErrorResponseCopy(error);
     }
 
     /**

src/test/java/com/microsoft/graph/http/GraphErrorResponseTests.java

@@ -1,6 +1,7 @@
 package com.microsoft.graph.http;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.mock;
 
 import org.junit.jupiter.api.Test;
@@ -18,4 +19,44 @@ public void testSetRawObject() {
         assertEquals(expectedJson, errorResponse.rawObject);
     }
 
+    @Test
+    public void testGraphErrorResponseCopy() {
+        String expectedMessage0 = "test error message 0";
+        String expectedErrorCode = "accessDenied";
+        GraphError error = new GraphError();
+        error.message = expectedMessage0;
+
+        String expectedMessage1 = "test error message 1";
+        GraphInnerError innerError = new GraphInnerError();
+        innerError.debugMessage = expectedMessage1;
+
+        String expectedMessage2 = "test error message 2";
+        GraphInnerError innerError2 = new GraphInnerError();
+        innerError2.debugMessage = expectedMessage2;
+
+        String expectedMessage3 = "test error message 3";
+        GraphInnerError innerError3 = new GraphInnerError();
+        innerError3.debugMessage = expectedMessage3;
+
+        //Set the errors in the following order
+        //Error -> InnerError1 -> InnerError2 -> InnerError3
+        innerError2.innererror = innerError3;
+        innerError.innererror = innerError2;
+        error.innererror = innerError;
+
+	    JsonObject expectedJson = new JsonObject();
+	    GraphErrorResponse errorResponse = new GraphErrorResponse();
+	    errorResponse.setRawObject(mock(ISerializer.class),expectedJson);
+        errorResponse.error = error;
+
+        //Copy the errorResponse and its subsequent innerErrors
+        GraphErrorResponse errorResponseCopy = GraphErrorResponse.getErrorResponseCopy(errorResponse);
+        //Ensure subsequent innerErrors have the expected messages in the expected order.
+        assertEquals(errorResponseCopy.error.message, expectedMessage0);
+        assertEquals(errorResponseCopy.error.innererror.debugMessage, expectedMessage1);
+        assertEquals(errorResponseCopy.error.innererror.innererror.debugMessage, expectedMessage2);
+        assertEquals(errorResponseCopy.error.innererror.innererror.innererror.debugMessage, expectedMessage3);
+
+        assertEquals(errorResponse.rawObject, errorResponseCopy.rawObject);
+    }
 }