feat: unit tests for utils (#92)

* init

* get unit test working for course.ts file

* added some other tests

* tests halfway + change config to accomodate js files

* utility functions tests done

* fix: config file + miscellaneous fixes

* fix: prepare script

* fix lock file

---------

Co-authored-by: Rotimi Best <best@classroomio.com>

apps/dashboard/src/lib/utils/functions/formatYoutubeVideo.spec.ts

@@ -0,0 +1,46 @@
+import { formatYoutubeVideo, getEmbedId } from './formatYoutubeVideo';
+
+describe('format youtube video', () => {
+  test('should return the same url when given a valid youtube embed url', () => {
+    const url = 'https://www.youtube.com/embed/qajK1J1neAM';
+    const errors = { video: '' };
+    const result = formatYoutubeVideo(url, errors);
+    expect(result).toBe(url);
+  });
+
+  test('should return the correct embed url when given a youtube url with a start time parameter', () => {
+    const url = 'https://www.youtube.com/watch?v=qajK1J1neAM&start=123';
+    const errors = { video: '' };
+    const result = formatYoutubeVideo(url, errors);
+    expect(result).toBe('https://www.youtube.com/embed/qajK1J1neAM');
+  });
+});
+
+describe('getEmbedId', () => {
+  test('should return the correct embed id when the url contains "embed"', () => {
+    const url = 'https://www.youtube.com/embed/qajK1J1neAM';
+    const expectedEmbedId = 'qajK1J1neAM';
+
+    const result = getEmbedId(url);
+
+    expect(result).toBe(expectedEmbedId);
+  });
+
+  test('should return an empty string when the url does not contain "watch" or "embed" and is not in the format "youtu.be/"', () => {
+    const url = 'https://www.youtube.com/invalid-url';
+    const expectedEmbedId = '';
+
+    const result = getEmbedId(url);
+
+    expect(result).toBe(expectedEmbedId);
+  });
+
+  test('should return an empty string when the url is an empty string', () => {
+    const url = '';
+    const expectedEmbedId = '';
+
+    const result = getEmbedId(url);
+
+    expect(result).toBe(expectedEmbedId);
+  });
+});