[DURACOM-288] Add unit test to test SSR url replace

src/app/core/services/server-hard-redirect.service.spec.ts

@@ -8,7 +8,7 @@ describe('ServerHardRedirectService', () => {
   const mockRequest = jasmine.createSpyObj(['get']);
   const mockResponse = jasmine.createSpyObj(['redirect', 'end']);
 
-  const service: ServerHardRedirectService = new ServerHardRedirectService(environment, mockRequest, mockResponse);
+  let service: ServerHardRedirectService = new ServerHardRedirectService(environment, mockRequest, mockResponse);
   const origin = 'https://test-host.com:4000';
 
   beforeEach(() => {
@@ -69,4 +69,23 @@ describe('ServerHardRedirectService', () => {
     });
   });
 
+  describe('when SSR base url is set', () => {
+    const redirect = 'https://private-url:4000/server/api/bitstreams/uuid';
+    const replacedUrl = 'https://public-url/server/api/bitstreams/uuid';
+    const environmentWithSSRUrl: any = { ...environment, ...{ ...environment.rest, rest: {
+      ssrBaseUrl: 'https://private-url:4000/server',
+      baseUrl: 'https://public-url/server',
+    } } };
+    service = new ServerHardRedirectService(environmentWithSSRUrl, mockRequest, mockResponse);
+
+    beforeEach(() => {
+      service.redirect(redirect);
+    });
+
+    it('should perform a 302 redirect', () => {
+      expect(mockResponse.redirect).toHaveBeenCalledWith(302, replacedUrl);
+      expect(mockResponse.end).toHaveBeenCalled();
+    });
+  });
+
 });