Updated dependencies and example code for 2023.

README.md

@@ -35,30 +35,33 @@ The folders and files in the starter code are briefly described below.
 ## Submodules
 
 *   The Git submodule `eslint-config` contains the ESLint configuration for the
-    coding style used in the `tests-only` project.
+    coding style used in the `development-environment-homework` project.
 
 ## General Configuration
 
-*   The file `tests-only/.gitignore` prevents non-source-code files from being
-    accidentally committed to the repository.
+*   The file `development-environment-homework/.gitignore` prevents
+    non-source-code files from being accidentally committed to the repository.
 
-*   The file `tests-only/package.json` describes the project and its
-    dependencies.  It can be edited to customize the inputs and processes used
-    in various software lifecyle tasks like linting, testing, or deploying.
+*   The file `development-environment-homework/package.json` describes the
+    project and its dependencies.  It can be edited to customize the inputs and
+    processes used in various software lifecyle tasks like linting, testing, or
+    deploying.
 
-*   The file `tests-only/package-lock.json` records the exact set of
-    dependencies used to satisfy the requirements in `tests-only/package.json`.
-    It should not be hand-edited; use commands like `npm install` or `npm
-    uninstall` from the `tests-only` directory to make changes.
+*   The file `development-environment-homework/package-lock.json` records the
+    exact set of dependencies used to satisfy the requirements in
+    `development-environment-homework/package.json`.  It should not be
+    hand-edited; use commands like `npm install` or `npm uninstall` from the
+    `development-environment-homework` directory to make changes.
 
-*   The folder `tests-only/node_modules` contains the dependencies installed by
-    `npm`.
+*   The folder `development-environment-homework/node_modules` contains the
+    dependencies installed by `npm`.
 
 ## Code Under Test
 
-*   The file `tests-only/src/helloWorld.js` is an example of a simple
-    implementation that can be unit tested.
+*   The file `development-environment-homework/src/helloWorld.js` is an example
+    of a simple implementation that can be unit tested.
 
 ## Test Code
 
-*   The file `tests-only/src/helloWorld.test.js` demonstrates a Jest unit test.
+*   The file `development-environment-homework/src/helloWorld.test.js`
+    demonstrates a Jest unit test.

development-environment-homework/package.json

@@ -17,8 +17,8 @@
   "devDependencies": {
     "@unlcsce/eslint-config": "file:../eslint-config",
     "eslint": "^8.20.0",
-    "jest": "^28.1.3",
-    "jest-environment-node": "^28.1.3"
+    "jest": "^29.6.2",
+    "jest-environment-node": "^29.6.2"
   },
   "eslintConfig": {
     "extends": "@unlcsce"

development-environment-homework/src/helloWorld.js

 export function helloWorld() {
-  return 'Hello, World!';
+  return [
+    'Hello,',
+    'World!',
+  ];
 }

development-environment-homework/src/helloWorld.test.js

 import { helloWorld } from './helloWorld.js';
 
+describe('the JavaScript language', () => {
+  test('performs addition correctly', () => {
+    expect(1 + 1).toBe(2);
+  });
+});
+
 describe('the hello-world function', () => {
   test('returns the correct string', () => {
-    expect(helloWorld()).toBe('Hello, World!');
+    expect(helloWorld()).toEqual([
+      'Hello,',
+      'World!',
+    ]);
   });
 });