Merge pull request #103 from kflin88/312552038

[LAB2] 312552038
SQLab · Mar 20, 2024 · 0752df2 · 0752df2
2 parents e060ab9 + 98941df
commit 0752df2
Showing 1 changed file with 75 additions and 2 deletions.
diff --git a/lab2/main_test.js b/lab2/main_test.js
@@ -2,5 +2,78 @@ const test = require('node:test');
 const assert = require('assert');
 const { Application, MailSystem } = require('./main');
 
-// TODO: write your tests here
-// Remember to use Stub, Mock, and Spy when necessary
+const fs = require('fs');
+const util = require('util');
+const writeFile = util.promisify(fs.writeFile);
+
+
+test ("Test MailSystem", (t)=>{
+    const MyMailSystem = new MailSystem();
+    function write() {
+        return MyMailSystem.write('Jane');
+    }
+    function send() {
+        return MyMailSystem.send('Jane', 'Congrats, Jane!');
+    }
+
+    const fn = t.mock.fn(write);
+    assert.strictEqual(fn(), 'Congrats, Jane!', 'write() failed');
+
+    Math.random = () => 0.9;
+    fn.mock.mockImplementation(send);
+    assert.strictEqual(fn(), true, 'send() failed');
+
+    Math.random = () => 0.1;
+    fn.mock.mockImplementation(send);
+    assert.strictEqual(fn(), false, 'send() failed');
+}); 
+
+test ("Test Application", async()=>{
+    const arr = ['Jane','Emma'];
+    const name_list = "Jane\nEmma";
+    await writeFile('name_list.txt', name_list, 'utf-8');
+    const app = new Application();
+    const [people, selected] = await app.getNames();
+
+    // test fot getNames
+    assert.deepStrictEqual(people, arr, 'getNames() failed');
+    assert.deepStrictEqual(selected, [], 'getNames() failed');
+
+
+    // test for getRandomPerson()
+    const ret1 = app.getRandomPerson();
+    assert(people.includes(ret1));
+
+
+    // test for selectNextPerson()
+    app.getRandomPerson = () => 'Jane';
+    const ret2 = app.selectNextPerson();
+    assert.strictEqual(ret2, 'Jane', 'selectNextPerson() failed');
+
+    app.getRandomPerson = () => 'Emma';
+    const ret3 = app.selectNextPerson();
+    assert.strictEqual(ret3, 'Emma', 'selectNextPerson() failed');
+
+    app.selected = ['Jane'];
+    var cnt=0;
+    app.getRandomPerson = () => {
+        if (cnt%2==0) {
+            cnt++;
+            return 'Jane';
+        }
+        else {
+            cnt--;
+            return 'Emma';
+        }
+    }
+    const ret4 = app.selectNextPerson();
+    assert.strictEqual(ret4, 'Emma', 'selectNextPerson() failed');
+
+    const ret5 = app.selectNextPerson();
+    assert.strictEqual(ret5, null);
+
+    // test for notifySelected()
+    const ret6 = app.notifySelected();
+    assert.strictEqual(ret6, undefined);
+    fs.unlinkSync('name_list.txt');
+});