initial linting and testing set up

.github/workflows/ci.yml

@@ -0,0 +1,39 @@
+name: Linting and Testing
+on:
+  pull_request:
+    branches:
+      - main
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '18'
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Run ESLint
+        run: yarn lint
+  test:
+    runs-on: ubuntu-latest
+    needs: lint
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '18'
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Run tests
+        run: yarn test

jest.config.json

@@ -0,0 +1,13 @@
+{
+	"transform": {
+        	"^.+\\.ts$": "ts-jest"
+	},
+	"modulePaths": ["<rootDir>/src"],
+	"testRegex": "tests/.*\\.tests?\\.ts$",
+	"moduleFileExtensions": [
+		"ts",
+		"js",
+		"json",
+		"node"
+	]
+}

package.json

@@ -3,15 +3,24 @@
   "version": "0.1.0",
   "description": "REST API for ACM at UCSD's hackathon portal.",
   "main": "index.js",
+  "scripts": {
+    "build": "tsc",
+    "test": "jest --config jest.config.json --runInBand",
+    "lint": "eslint ./ --ext .ts",
+    "lint:fix": "eslint ./ --ext .ts --fix"
+  },
   "repository": "https://github.com/acmucsd/hackathon-portal.git",
   "author": "Eric Chang <[email protected]>",
   "dependencies": {},
   "devDependencies": {
+    "@types/jest": "^29.5.13",
     "@typescript-eslint/eslint-plugin": "^7.0.0",
     "@typescript-eslint/parser": "^7.0.0",
     "eslint": "^8.57.1",
     "eslint-config-airbnb-typescript": "^18.0.0",
     "eslint-plugin-import": "^2.31.0",
+    "jest": "^29.7.0",
+    "ts-jest": "^29.2.5",
     "typescript": "^5.6.3"
   }
 }

tests/sample.test.ts

@@ -0,0 +1,17 @@
+describe('dummy test', () => {
+  test('dummy test case always passes', () => {
+    expect(1 + 1).toBe(2);
+  });
+});
+
+describe('dummy test', () => {
+  test('another dummy test case always passes', () => {
+    expect(1 + 2).toBe(3);
+  });
+});
+
+describe('dummy test', () => {
+  test('dummy test will fail', () => {
+    expect(1 + 1).toBe(0);
+  });
+});