Add tests for findDirectoryNode (#6808)

* Add module name mapper for 'src/directory'

* Add tests for useRouteFinder

* Update workflow to generate the json files

* Update import paths with new module name mapper

* Rename typo, tests -> test

* Add tests for findDirectoryNode

Author: timngyn

src/utils/__tests__/findDirectoryNode.test.ts

@@ -0,0 +1,67 @@
+import { findDirectoryNode } from '../findDirectoryNode';
+
+jest.mock(
+  '@/directory/directory.json',
+  () => {
+    const mockDirectory = {
+      route: '/',
+      children: [
+        {
+          route: '/route1/route2',
+          children: [
+            {
+              route: '/route1/route2/child1',
+              children: [
+                {
+                  route: '/route1/route2/child1/child1'
+                },
+                {
+                  route: '/route1/route2/child1/child2'
+                },
+                {
+                  route: '/route1/route2/child1/child3'
+                }
+              ]
+            },
+            {
+              route: '/route1/route2/child2'
+            },
+            {
+              route: '/route1/route2/child3'
+            }
+          ]
+        }
+      ]
+    };
+
+    return mockDirectory;
+  },
+  { virtual: true }
+);
+
+describe('findDirectoryNode', () => {
+  it('should return directory page node if it exists', () => {
+    const result = findDirectoryNode('/route1/route2/child1');
+
+    expect(result).toEqual({
+      route: '/route1/route2/child1',
+      children: [
+        {
+          route: '/route1/route2/child1/child1'
+        },
+        {
+          route: '/route1/route2/child1/child2'
+        },
+        {
+          route: '/route1/route2/child1/child3'
+        }
+      ]
+    });
+  });
+
+  it('should return undefined if page not is not found', () => {
+    const result = findDirectoryNode('/route1/route2/child4');
+
+    expect(result).toEqual(undefined);
+  });
+});

src/utils/findDirectoryNode.ts

@@ -1,6 +1,9 @@
 import directory from '@/directory/directory.json';
+import { PageNode } from '@/directory/directory';
 
-export const findDirectoryNode = (route, dir = directory) => {
+const directoryCast = directory as PageNode;
+
+export const findDirectoryNode = (route: string, dir = directoryCast) => {
   if (dir.route === route) {
     return dir;
   } else if (dir.children && dir.children.length) {