Implemented very basic (and poorly written) unit tests that test using the live database

package.json

@@ -5,7 +5,7 @@
   "main": "server.js",
   "scripts": {
     "start": "node server.js",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "mocha --exit"
   },
   "repository": {
     "type": "git",
@@ -36,6 +36,10 @@
     "optionator": "^0.9.1"
   },
   "devDependencies": {
-    "eslint": "^8.3.0"
+    "eslint": "^8.3.0",
+    "jest": "^27.3.1",
+    "mocha": "^9.1.3",
+    "superagent": "^6.1.0",
+    "supertest": "^6.1.6"
   }
 }

server.js

@@ -34,3 +34,4 @@ const listener = app.listen(process.env.PORT || 3000, () => {
   console.log('App is listening on port ' + listener.address().port)
 })
 
+module.exports = app;

test/msg.js

@@ -0,0 +1,74 @@
+const request = require('supertest');
+const server = require('../server');
+
+describe('GET /msg', function () {
+    it('respond with json containing a list of all users', function (done) {
+        request(server)
+            .get('/msg')
+            .set('Accept', 'application/json')
+            .expect('Content-Type', /json/)
+            .expect(200, done);
+    });
+});;
+
+describe('GET /msg/:id', function () {
+    it('respond with json containing a single message', function (done) {
+        request(server)
+            .get('/msg/1')
+            .set('Accept', 'application/json')
+            .expect('Content-Type', /json/)
+            .expect(200, done);
+    });
+});
+
+/**
+ * Testing get a message endpoint by giving a non-existing message
+ */
+describe('GET /msg/:id', function () {
+    it('respond with json message not found', function (done) {
+        request(server)
+            .get('/users/idisnonexisting')
+            //.set('Accept', 'application/json')
+            .expect(404) //expecting HTTP status code
+            //.expect('"Message not found"') // expecting content value
+            .end((err) => {
+                if (err) return done(err);
+                done();
+            });
+    });
+});
+
+/**
+ * Testing post message endpoint
+ */
+describe('POST /msg', function () {
+    it('respond with 201 created', function (done) {
+        request(server)
+            .post('/msg/1/test')
+            .set('Accept', 'application/json')
+            .expect('Content-Type', /json/)
+            .expect(200)
+            .end((err) => {
+                if (err) return done(err);
+                done();
+            });
+    });
+});
+
+/**
+ * Testing post message endpoint
+ */
+describe('POST /msg', function () {
+    it('respond with 400 not created', function (done) {
+        request(server)
+            .post('/msg/test')
+            .set('Accept', 'application/json')
+            //.expect('Content-Type', /json/)
+            .expect(404)
+            //.expect('"Message not created"')
+            .end((err) => {
+                if (err) return done(err);
+                done();
+            });
+    });
+});