feat: add some test cases for challenges

apps/challenges/src/test/season.test.ts

@@ -0,0 +1,49 @@
+import request from 'supertest';
+import mongoose from 'mongoose';
+import app from '../index';
+import SeasonController from '../controllers/season';
+
+describe('getLinks', () => {
+    it('should return correct links when rankingsCount is 0', () => {
+        const seasonID = '123';
+        const page = 0;
+        const limit = 10;
+        const rankingsCount = 0;
+        const links = {
+            self: `/api/seasons/${seasonID}/rankings?page=0&limit=${limit}`,
+            first: `/api/seasons/${seasonID}/rankings?page=0&limit=${limit}`,
+            previous: null,
+            next: null,
+            last: `/api/seasons/${seasonID}/rankings?page=0&limit=${limit}`
+        }
+        expect(SeasonController.getLinks(seasonID, page, limit, rankingsCount)).toEqual(links);
+    });
+
+    /*
+    it('should return correct links when page is 0', () => {
+        const seasonID = '123';
+        const page = 0;
+        const limit = 10;
+        const rankingsCount = 100;
+        const links = {
+            self: `/api/seasons/${seasonID}/rankings?page=${page}&limit=${limit}`,
+            first: `/api/seasons/${seasonID}/rankings?page=0&limit=${limit}`,
+            previous: null,
+            next: `/api/seasons/${seasonID}/rankings?page=${page + 1}&limit=${limit}`,
+            last: `/api/seasons/${seasonID}/rankings?page=${Math.ceil(rankingsCount / limit) - 1}&limit=${limit}`
+        }
+        expect(SeasonController.getLinks(seasonID, page, limit, rankingsCount)).toEqual(links);
+    });
+    */
+})
+
+describe('getSeasonRankings', () => {
+    // test getSeasonRankings with correct request
+    it('should return 200 OK with correct request', async () => {
+        const seasonID = '5f8b2a9f9b6f0c2f1c1d8e4a';
+        const page = 0;
+        const limit = 10;
+        const res = await request(app).get(`/api/seasons/${seasonID}/rankings?page=${page}&limit=${limit}`);
+        expect(res.status).toEqual(200);
+    });
+})