4/12 lab3

Author: soymilk05

lab3/main_test.js

@@ -1,68 +1,19 @@
-const {test,mock} = require('node:test');
+const { describe, test } = require('node:test');
 const assert = require('assert');
-const fs = require('fs')
-mock.method(fs, 'readFile', (file, options, callback) => {
-    callback(null, 'sam\njack\njim');
+const { Calculator } = require('./main');
+
+describe('Calculator', () => {
+    const calc = new Calculator();
+    test('exp', () => {
+        assert.strictEqual(calc.exp(0),1);
+        assert.throws(() => calc.exp('hello'), Error, 'unsupported operand type');
+        assert.throws(() => calc.exp(10000), Error, 'overflow');
+    });
+
+    test('exp', () => {
+        assert.strictEqual(calc.log(1),0);
+        assert.throws(() => calc.log(-1), Error, 'math domain error (2)');
+        assert.throws(() => calc.log(0), Error, 'math domain error (1)');
+        assert.throws(() => calc.log('a'), Error, 'unsupported operand type');
+    });
 });
-const { Application, MailSystem } = require('./main');
-
-
-
-test('write', () => {
-    const mailSystem = new MailSystem()
-    assert.strictEqual(mailSystem.write('sam'),'Congrats, sam!')
-    assert.strictEqual(mailSystem.write(123),'Congrats, 123!')
-    assert.strictEqual(mailSystem.write(null),'Congrats, null!')
-
-});
-
-
-test('send',()=>{
-    const mailSystem = new MailSystem()
-    mock.method(Math, 'random', () => 0.9);
-    assert.strictEqual(mailSystem.send('sam','hello world'),true)
-    mock.method(Math, 'random', () => 0.1);
-    assert.strictEqual(mailSystem.send('sam','hello world'),false)
-})
-
-
-test('getNames', async () => {
-    const app = new Application();
-    const names = await app.getNames();
-    assert.deepStrictEqual(names, [['sam', 'jack','jim'],[]]);
-});
-
-
-test('getRandomPerson',async ()=>{
-    const app = new Application();
-    await app.getNames();
-    mock.method(Math,'random',()=>0.5)
-    const person = app.getRandomPerson()
-    assert.strictEqual(person,app.people[Math.floor(0.5*app.people.length)])
-})
-
-
-
-test('selectNextPerson', async ()=>{
-    const app = new Application();
-    await app.getNames();
-    app.selected = ['sam']
-    let i = 0
-    mock.method(app, 'getRandomPerson', () => app.people[i++]);
-    assert.strictEqual(app.selectNextPerson(),'jack')
-    assert.strictEqual(app.selectNextPerson(),'jim')
-    assert.strictEqual(app.selectNextPerson(),null)
-})
-
-
-
-test('notifySelected',async ()=>{
-    const app = new Application();
-    const [names] = await app.getNames();
-    app.selected = names.slice();
-    app.mailSystem.send = mock.fn(app.mailSystem.send);
-    app.mailSystem.write = mock.fn(app.mailSystem.write);
-    app.notifySelected();
-    assert.strictEqual(app.mailSystem.send.mock.calls.length, names.length);
-    assert.strictEqual(app.mailSystem.write.mock.calls.length, names.length);
-})