lab2 completed

Author: Annheij

lab2/main.js

@@ -28,19 +28,15 @@ class Application {
         this.people = [];
         this.selected = [];
         this.mailSystem = new MailSystem();
-        this.getNames().then(([people, selected]) => {
-            this.people = people;
-            this.selected = selected;
-        });
     }
 
     async getNames() {
         const data = await readFile('name_list.txt', 'utf8');
-        const people = data.split('\n');
-        const selected = [];
-        return [people, selected];
+        this.people = data.split('\n');
+        this.selected = [];
     }
 
+
     getRandomPerson() {
         const i = Math.floor(Math.random() * this.people.length);
         return this.people[i];

lab2/main_test.js

@@ -1,6 +1,57 @@
 const test = require('node:test');
 const assert = require('assert');
 const { Application, MailSystem } = require('./main');
+const sinon = require('sinon');
 
-// TODO: write your tests here
-// Remember to use Stub, Mock, and Spy when necessary
+test('test getRandomPerson in main.js', async () => {
+    const app = new Application();
+    
+    app.getNames = async () => {
+        app.people = ["Annika", "Billy", "Cecilia"];
+        app.selected = [];
+    };
+
+    await app.getNames();  
+
+    const person = app.getRandomPerson();
+    assert.ok(app.people.includes(person), 'the person is not in list');
+});
+
+
+test('test mains selectNextPerson to not select same person twice', async () => {
+    const app = new Application();
+    
+    app.getNames = async () => {
+        app.people = ["Annika", "Billy", "Cecilia"];
+        app.selected = [];
+    };
+
+    await app.getNames();
+
+    const person1 = app.selectNextPerson();
+    const person2 = app.selectNextPerson();
+    
+    assert.notStrictEqual(person1, person2, 'Same person was selected twice');
+});
+
+test('test mains notifySelected that it calls send()', async () => {
+    const mailSystem = new MailSystem();
+    const sendSpy = sinon.spy(mailSystem, 'send');
+
+    const app = new Application();
+    app.mailSystem = mailSystem;
+
+    app.getNames = async () => {
+        app.people = ["Annika", "Billy", "Cecilia"];
+        app.selected = [];
+    };
+
+    await app.getNames();
+
+    const person = app.selectNextPerson();
+    app.selected = [person];
+
+    await app.notifySelected();  
+
+    assert.ok(sendSpy.calledWith(person, `Congrats, ${person}!`), `send() didn't work with args. Captured calls: ${JSON.stringify(sendSpy.args)}`);
+});

lab2/package-lock.json

@@ -0,0 +1,5 @@
+{
+  "devDependencies": {
+    "sinon": "^19.0.4"
+  }
+}