copy alertForMiscreant into findMiscreant

Author: kaiosilveira

src/miscreant-handling/index.js

@@ -15,3 +15,17 @@ export function alertForMiscreant(people) {
   }
   return '';
 }
+
+export function findMiscreant(people) {
+  for (const p of people) {
+    if (p === 'Don') {
+      setOffAlarms();
+      return 'Don';
+    }
+    if (p === 'John') {
+      setOffAlarms();
+      return 'John';
+    }
+  }
+  return '';
+}

src/miscreant-handling/index.test.js

@@ -1,5 +1,5 @@
 import { jest, expect } from '@jest/globals';
-import { alertForMiscreant } from './index';
+import { alertForMiscreant, findMiscreant } from './index';
 
 describe('alertForMiscreant', () => {
   const spy = jest.spyOn(console, 'log');
@@ -24,3 +24,27 @@ describe('alertForMiscreant', () => {
     expect(spy).not.toHaveBeenCalled();
   });
 });
+
+describe('findMiscreant', () => {
+  const spy = jest.spyOn(console, 'log');
+
+  beforeEach(() => spy.mockClear());
+
+  it('should set off alarms for Don', () => {
+    const result = findMiscreant(['Don']);
+    expect(result).toBe('Don');
+    expect(spy).toHaveBeenCalledTimes(1);
+  });
+
+  it('should set off alarms for John', () => {
+    const reuslt = findMiscreant(['John']);
+    expect(reuslt).toBe('John');
+    expect(spy).toHaveBeenCalledTimes(1);
+  });
+
+  it('should not set off alarms for other people', () => {
+    const result = findMiscreant(['Alice']);
+    expect(result).toBe('');
+    expect(spy).not.toHaveBeenCalled();
+  });
+});