diff --git a/src/utils/url.test.ts b/src/utils/url.test.ts
index 33b99b1..34e42bd 100644
--- a/src/utils/url.test.ts
+++ b/src/utils/url.test.ts
@@ -1,27 +1,36 @@
-import { isURL, isEmail, getRegistryURL } from './url';
+import { isURL, isEmail, getRegistryURL, extractFileName } from './url';
 
-describe('url', () => {
-  test('isURL() - should return true for localhost', () => {
-    expect(isURL('http://localhost:8080/bootstrap/-/bootstrap-4.3.1.tgz')).toBeTruthy();
+describe('utils', () => {
+  describe('url', () => {
+    test('isURL() - should return true for localhost', () => {
+      expect(isURL('http://localhost:8080/bootstrap/-/bootstrap-4.3.1.tgz')).toBeTruthy();
+    });
+
+    test('isURL() - should return false when protocol is missing', () => {
+      expect(isURL('localhost:8080/bootstrap/-/bootstrap-4.3.1.tgz')).toBeFalsy();
+    });
+
+    test('isEmail() - should return true if valid', () => {
+      expect(isEmail('email@domain.com')).toBeTruthy();
+    });
+    test('isEmail() - should return false if invalid', () => {
+      expect(isEmail('')).toBeFalsy();
+    });
+
+    test('getRegistryURL() - should keep slash if location is a sub directory', () => {
+      history.pushState({}, 'page title', '/-/web/detail');
+      expect(getRegistryURL()).toBe('http://localhost/-/web/detail');
+      history.pushState({}, 'page title', '/');
+    });
+
+    test('getRegistryURL() - should not add slash if location is not a sub directory', () => {
+      expect(getRegistryURL()).toBe('http://localhost');
+    });
   });
 
-  test('isURL() - should return false when protocol is missing', () => {
-    expect(isURL('localhost:8080/bootstrap/-/bootstrap-4.3.1.tgz')).toBeFalsy();
-  });
-
-  test('isEmail() - should return true if valid', () => {
-    expect(isEmail('email@domain.com')).toBeTruthy();
-  });
-  test('isEmail() - should return false if invalid', () => {
-    expect(isEmail('')).toBeFalsy();
-  });
-
-  test('getRegistryURL() - should keep slash if location is a sub directory', () => {
-    history.pushState({}, 'page title', '/-/web/detail');
-    expect(getRegistryURL()).toBe('http://localhost/-/web/detail');
-    history.pushState({}, 'page title', '/');
-  });
-  test('getRegistryURL() - should not add slash if location is not a sub directory', () => {
-    expect(getRegistryURL()).toBe('http://localhost');
+  describe('extractFileName', () => {
+    test('should return the file name', () => {
+      expect(extractFileName('http://localhost:4872/juan_test_webpack1/-/test-10.0.0.tgz')).toBe('test-10.0.0.tgz');
+    });
   });
 });