Addition of unit tests for the getLinkAttributes() method

(cherry picked from commit 8572bfb)

Author: root

src/app/item-page/field-components/metadata-values/metadata-values.component.spec.ts

@@ -83,4 +83,20 @@ describe('MetadataValuesComponent', () => {
     expect(comp.hasLink(mdValue)).toBe(true);
   });
 
+  it('should return correct target and rel for internal links', () => {
+    spyOn(comp, 'hasInternalLink').and.returnValue(true);
+    const urlValue = '/internal-link';
+    const result = comp.getLinkAttributes(urlValue);
+    expect(result.target).toBe('_self');
+    expect(result.rel).toBe('');
+  });
+
+  it('should return correct target and rel for external links', () => {
+    spyOn(comp, 'hasInternalLink').and.returnValue(false);
+    const urlValue = 'https://www.dspace.org';
+    const result = comp.getLinkAttributes(urlValue);
+    expect(result.target).toBe('_blank');
+    expect(result.rel).toBe('noopener noreferrer');
+  });
+
 });