Add test cases

Author: Sparktan24

src/modules/comment_handler.js

@@ -67,4 +67,4 @@ form.onsubmit = (e) => {
   form.reset();
 };
 
-export { getDescription, getComments };
+export { getDescription, getComments, countComments };

src/modules/count.test.js

@@ -1,5 +1,5 @@
 /** @jest-environment jsdom */
-
+//  import { countComments } from './comment_handler.js';
 describe('Homepage items counter Tests', () => {
   it('Should test if showsCount is adding all shows to the home page', () => {
     let counter = '';
@@ -12,4 +12,41 @@ describe('Homepage items counter Tests', () => {
     showsCount();
     expect(counter).toBe('Top binge-worthy shows (2)');
   });
+
+  it('Count comments', () => {
+    document.body.innerHTML = `
+    <div id="posted-comments">
+    <div>2023-02-09 Nico: Good show.</div>
+    <div>2023-02-10 Neto: Test squid.</div>
+    <div>2023-02-10 Neto: Test squid 2.</div>
+    <div>2023-02-10 Neto: Test squid 3.</div></div>
+    `;
+    const count = document.querySelector('#posted-comments').children.length;
+    expect(count).toBe(4);
+  });
+
+  it('Count header', () => {
+    document.body.innerHTML = `
+    <section class="comments-section">
+      <h3 id="comments-header">Comments(4)</h3>
+        <div class="comments-container">
+          <div id="posted-comments">
+            <div>2023-02-09 Nico: Good show.</div>
+            <div>2023-02-10 Neto: Test squid.</div>
+            <div>2023-02-10 Neto: Test squid 2.</div>
+            <div>2023-02-10 Neto: Test squid 3.</div>
+          </div>
+        </div>
+        </section>
+    `;
+
+    let commentHeader = '';
+    const countComments = () => {
+      const count = document.querySelector('#posted-comments').children.length;
+      commentHeader = document.querySelector('#comments-header');
+      commentHeader.innerHTML = `Comments(${count})`;
+    };
+    countComments();
+    expect(commentHeader.innerHTML).toBe('Comments(4)');
+  });
 });