feat(e2e tests): add tests for GET 'api/langs'

Author: prabalsingh24

test/e2e/LangsScenario.spec.ts

@@ -0,0 +1,69 @@
+import app from '../../src/server';
+import DB from '../../src/models';
+import * as utils from "../utils/utils";
+
+const chai = require('chai');
+const chaiHttp = require('chai-http');
+
+chai.use(chaiHttp);
+const {expect} = chai;
+
+const APIKEY = '7718330d2794406c980bdbded6c9dc1d';
+
+describe('GET api/langs', () => {
+    before(async () => {
+        await DB.langs.bulkCreate([
+            {lang_slug: 'py2', lang_name: 'Python 2', lang_version: '2.7'},
+            {lang_slug: 'py3', lang_name: 'Python 3', lang_version: '3.6'},
+            {lang_slug: 'java8', lang_name: 'Java', lang_version: '1.8'}
+        ]);
+        await DB.apikeys.bulkCreate([
+            {id: 1, key: APIKEY, whitelist_domains: ['*'], whitelist_ips: ['*']}
+        ]);
+    });
+    after(utils.truncateTables);
+
+
+    it('should throw 403 error API key is absent in the request', async () => {
+        const res = await chai.request(app).get(`/api/langs`);
+        expect(res.status).to.equal(403);
+        // TODO this should be res.body.err maybe? (consistent with other error)
+        expect(res.body.message).to.equal('No API Key in request');
+    });
+
+    it('should throw error if incorrect API key is present', async () => {
+        const res = await chai.request(app).get('/api/langs').set({
+            'Authorization': 'Bearer incorrectAPI-KEY',
+            Accept: 'application/json'
+        });
+        expect(res.status).to.equal(403);
+        expect(res.body.message).to.equal('Invalid API Key');
+        // maybe 400 error?
+    });
+
+    it('should throw 404 error if POST request is made', async () => {
+        const res = await chai.request(app).post('/api/langs').set({
+            Authorization: 'Bearer 7718330d2794406c980bdbded6c9dc1d',
+            Accept: 'application/json'
+        });
+        expect(res.status).to.equal(404);
+    });
+
+    it('should return all the languages when correct request is made', async () => {
+        const res = await chai.request(app).get('/api/langs').set({
+            Authorization: `Bearer ${APIKEY}`,
+            Accept: 'application/json'
+        });
+
+        expect(res.status).to.equal(200);
+        const languages = res.body;
+        expect(languages.length).to.equal(3);
+        languages.forEach((language) => {
+            expect(language).to.have.keys(
+                'lang_slug',
+                'lang_name',
+                'lang_version'
+            );
+        })
+    });
+});