add more coverage

src/__fixtures__/page.tsx

@@ -1,6 +1,7 @@
 import {
     MDXPage,
     SingleMDXPage,
+    SingleMDXDocPage,
     SiteMetaData
 } from '../types';
 
@@ -52,4 +53,32 @@ export const createSingleMDXData = (): {
             }
         }
     }
-});
+});
+
+export const createMDXDocsData = (toc): {
+    mdx: SingleMDXDocPage;
+} => ({
+    mdx: {
+        id: 'mdx-1',
+        fields: {
+            slug: '/mdx/mdx-page-title',
+        },
+        frontmatter: {
+            title: 'MDX Doc Page title',
+            authors: 'pmc, pmc2',
+            toc: toc ? true : false
+        },
+        tableOfContents: {
+            items: [
+                {
+                    url: '#section1',
+                    title: 'Section 1'
+                },
+                {
+                    url: '#section2',
+                    title: 'Section 2'
+                }
+            ],
+        }
+    }
+});

src/components/LanguageSelector/index.tsx

@@ -53,12 +53,7 @@ const LanguageSelector = (): JSX.Element => {
                 eventKey={lng}
                 onClick={(e) => {
                   e.preventDefault();
-                  if (location.pathname.includes('index')) {
-                    let newPath = location.pathname.split("/index")[0].slice(3)
-                    changeLanguage(lng, newPath);
-                  } else {
-                    changeLanguage(lng);
-                  }
+                  changeLanguage(lng);
                 }}
               >
                 <Flag code={ISO3166(lng)} width='35' /> 

src/components/NavBar/__tests__/NavBar.test.tsx

@@ -0,0 +1,28 @@
+import React from 'react';
+import { render } from '@testing-library/react';
+import { describe, it, expect } from "vitest"
+import NavBar from '..';
+
+describe('NavBar component', () => {
+  it('navbar renders correctly', () => {
+    const { container } = render(
+      <NavBar/>
+    );
+    expect(container).toMatchSnapshot();
+  });
+
+  it('blog navbar renders correctly', () => {
+    global.window = Object.create(window);
+    const url = 'https://adoptium.net/blog';
+    Object.defineProperty(window, 'location', {
+      value: {
+        href: url
+      }
+    });
+
+    const { container } = render(
+      <NavBar/>
+    );
+    expect(container).toMatchSnapshot();
+  });
+});