refactor: remove legacy code and move redesign code to src

VAN-670

src/data/utils/dataUtils.test.js

@@ -0,0 +1,32 @@
+import { LOGIN_PAGE } from '../constants';
+import processLink, { updatePathWithQueryParams } from './dataUtils';
+
+describe('processLink', () => {
+  it('should use the provided processLink function to', () => {
+    const expectedHref = 'http://test.server.com/';
+    const expectedText = 'test link';
+    const link = `<a href="${expectedHref}">${expectedText}</a>`;
+
+    const matches = processLink(link);
+
+    expect(matches[1]).toEqual(expectedHref);
+    expect(matches[2]).toEqual(expectedText);
+  });
+});
+
+describe('updatePathWithQueryParams', () => {
+  it('should append query params into the path', () => {
+    const params = '?course_id=testCourseId';
+    const expectedPath = `${LOGIN_PAGE}${params}`;
+
+    Object.defineProperty(window, 'location', {
+      value: {
+        href: 'http://localhost/',
+        search: params,
+      },
+    });
+    const updatedPath = updatePathWithQueryParams(LOGIN_PAGE);
+
+    expect(updatedPath).toEqual(expectedPath);
+  });
+});