test: add test for button link

Signed-off-by: Logan McAnsh <[email protected]>

__tests__/components/header/index.test.tsx

@@ -1,7 +1,7 @@
 import React from 'react';
 
 import { render } from '~/utils/render-with-intl';
-import Header from '~/components/header/index';
+import Header from '~/components/header';
 
 describe('Header Component', () => {
   it('shows custom text and image', () => {
@@ -21,4 +21,17 @@ describe('Header Component', () => {
       'https://res.cloudinary.com/dof0zryca/image/upload/f_auto/v1541889199/blog/1*Wmv8hfi_bTHuHyV5CawnCw.jpg'
     );
   });
+  it('shows "Read More" button when passed a link', () => {
+    const { getByText } = render(
+      <Header
+        image={{ imageUrl: '1*Wmv8hfi_bTHuHyV5CawnCw.jpg' }}
+        url="https://google.com"
+        title="My sweet new blog post!"
+      />
+    );
+    expect(getByText('Read More').parentElement!).toHaveAttribute(
+      'href',
+      'https://google.com'
+    );
+  });
 });