LNP-1070: 🏴󠁧󠁢󠁷󠁬󠁳󠁿 ✅ write unit tests for mapping breadcrumb hrefs.

server/utils/__tests__/jsonApi.spec.js

@@ -11,6 +11,7 @@ const {
   isNew,
   cropTextWithEllipsis,
   isUnpublished,
+  mapBreadcrumbHref,
 } = require('../jsonApi');
 
 const LARGE_TILE = 'enormous.jpg';
@@ -697,3 +698,19 @@ describe('cropTextWithEllipsis', () => {
     );
   });
 });
+
+describe('Remap breadcrumbs', () => {
+  it('should remap two letter language prefixes to root', () => {
+    expect(mapBreadcrumbHref('/en')).toEqual('/');
+    expect(mapBreadcrumbHref('/cy')).toEqual('/');
+    expect(mapBreadcrumbHref('/cyx')).toEqual('/cyx');
+  });
+  it('should strip the language prefix from aliased terms', () => {
+    expect(mapBreadcrumbHref('/en/tags/2034')).toEqual('/tags/2034');
+    expect(mapBreadcrumbHref('/cy/tags/99')).toEqual('/tags/99');
+  });
+  it('should strip the language prefix from unaliased terms, and map them to their aliased equivalent', () => {
+    expect(mapBreadcrumbHref('/en/taxonomy/term/2034')).toEqual('/tags/2034');
+    expect(mapBreadcrumbHref('/cy/taxonomy/term/99')).toEqual('/tags/99');
+  });
+});