test: add tests for steps controller

API-Project/src/controllers/steps.controller.ts

@@ -8,16 +8,17 @@ const steps_gw = new StepsGateway()
 
 
 StepsController.get('/:id', async (req, res) => {
-    const id = String(req.params.id);
+    const id = Number(req.params.id);
 
     if (!Number.isInteger(id)) {
-        throw new Exceptions.BadRequestException('id invalid !');
+        res.status(400).send('invalid parameter or no parameter')
+        return
     }
 
     try {
         const steps = await steps_gw.getForRecipes(Number(id))
 
-        if (steps == null) {
+        if (steps.length == 0) {
             res.status(404).send('not found')
         }
         else {

API-Project/src/server.ts

@@ -28,7 +28,6 @@ export const startServer = (port_to_use: number) => {
   return app.listen(port_to_use, () => console.log(`App listening on PORT ${port}`));
 };
 
-// Exécutez le serveur uniquement si le module est le point d'entrée principal
 if (require.main === module) {
   startServer(port);
 }

API-Project/src/types/recipes.ts

@@ -25,12 +25,4 @@ export class Recipe implements IRecipe {
         this.ingredients = ingredients
         this.steps = steps
     }
-
-    addStep(newStep: string) {
-        this.steps.push(newStep)
-    }
-
-    addIngredient(newIngredient: IIngredient) {
-        this.ingredients.push(newIngredient)
-    }
 }

API-Project/tests/steps.spec.ts

@@ -0,0 +1,33 @@
+import request from 'supertest';
+import app, { startServer } from '../src/server';
+import { Server, IncomingMessage, ServerResponse } from 'http';
+
+
+describe('GET /steps', () => {
+    let server: Server<typeof IncomingMessage, typeof ServerResponse>;
+    const port = 3003
+
+    beforeAll(() => {
+        server = startServer(port);
+    });
+  
+    afterAll((done) => {
+        server.close(done);
+    });
+
+    // /steps/:id
+    it('should return a 200 status code', async () => {
+        const response = await request(app).get('/steps/4444');
+        expect(response.status).toBe(200);
+    });
+
+    it('should return a 400 status code', async () => {
+        const response = await request(app).get('/steps/hey');
+        expect(response.status).toBe(400);
+    });
+
+    it('should return a 404 status code', async () => {
+        const response = await request(app).get('/steps/1');
+        expect(response.status).toBe(404);
+    });
+});