Add unit test for an empty username accessing a restricted file

Author: acalog

src/authorizeRequest/authorizeRequest.test.js

@@ -201,4 +201,15 @@ describe('authorizeRequest', () => {
     const result = await authorizeRequest(userRequest, null, testRanges);
     expect(result).toBe(true);
   });
+  it('should return false if the request is for a restricted file and the userName is empty', async () => {
+    const userRequest = {
+      url: 'https://example-access-point.s3-object-lambda.us-east-1.amazonaws.com/somesite/files/__restricted/somegroup/somefile.json',
+      headers: {
+        Eppn: '',
+        'X-Forwarded-Host': 'example.host.bu.edu, example.host.bu.edu',
+      },
+    };
+    const result = await authorizeRequest(userRequest, null, testRanges);
+    expect(result).toBe(false);
+  });
 });