[LAB2] 511558013

lab2/main_test.js

@@ -6,5 +6,64 @@ test.mock.method(fs, 'readFile', (file, options, callback) => {
 });
 const { Application, MailSystem } = require('./main');
 
-// TODO: write your tests here
-// Remember to use Stub, Mock, and Spy when necessary
+test('Test MailSystem : write()', () => {
+    const ms = new MailSystem();
+    assert.strictEqual(ms.write('alpha'), 'Congrats, alpha!');
+    assert.strictEqual(ms.write(null), 'Congrats, null!');
+    assert.strictEqual(ms.write(48763), 'Congrats, 48763!');
+});
+
+test('Test MailSystem : send()', () => {
+    const ms = new MailSystem();
+    const name = 'alpha';
+    test.mock.method(Math, 'random', () => 0.6);
+    assert.strictEqual(ms.send(name, 'success'), true);
+    test.mock.method(Math, 'random', () => 0.4);
+    assert.strictEqual(ms.send(name, 'fail'), false);
+});
+
+test('Test Application : getNames()', async () => {
+    const app = new Application();
+    const name_list = ['alpha', 'beta', 'gama'];
+    const names = await app.getNames();
+    assert.deepStrictEqual(names, [name_list, []])
+});
+
+test('Test Application : getRandomPerson()', async (test) => {
+    const app = new Application();
+    const names = await app.getNames();
+    test.mock.method(Math, 'random', () => 0);
+    assert.strictEqual(app.getRandomPerson(), 'alpha');
+    test.mock.method(Math, 'random', () => 0.4);
+    assert.strictEqual(app.getRandomPerson(), 'beta');
+    test.mock.method(Math, 'random', () => 0.7);
+    assert.strictEqual(app.getRandomPerson(), 'gama');
+});
+
+test('Test Application : selectNextPerson()', async (test) => {
+    const app = new Application();
+    const names = await app.getNames();
+    app.selected = ['alpha'];
+    let cnt = 0;
+    test.mock.method(app, 'getRandomPerson', () => {
+        if (cnt <= names.length) { 
+            return names[0][cnt++]; 
+        }
+    });
+    assert.strictEqual(app.selectNextPerson(), 'beta');
+    assert.deepStrictEqual(app.selected, ['alpha', 'beta']);
+    assert.strictEqual(app.selectNextPerson(), 'gama');
+    assert.deepStrictEqual(app.selected, ['alpha', 'beta', 'gama']);
+    assert.strictEqual(app.selectNextPerson(), null);
+});
+
+test('Test Application : notifySelected()', async (test) => {
+    const app = new Application();
+    app.people = ['alpha', 'beta', 'gama'];
+    app.selected = ['alpha', 'beta', 'gama'];
+    app.mailSystem.send = test.mock.fn(app.mailSystem.send);
+    app.mailSystem.write = test.mock.fn(app.mailSystem.write);
+    app.notifySelected();
+    assert.strictEqual(app.mailSystem.send.mock.calls.length, 3);
+    assert.strictEqual(app.mailSystem.write.mock.calls.length, 3);
+});