feat: unit test integration

Author: akhil-neoito

jest.config.ts

@@ -0,0 +1,13 @@
+import type { Config } from '@jest/types';
+
+const config: Config.InitialOptions = {
+  verbose: true,
+  transform: {
+    '^.+\\.tsx?$': 'ts-jest',
+  },
+  moduleNameMapper: {
+    '@/(.*)': '<rootDir>/src/$1',
+  },
+};
+
+export default config;

package-lock.json

@@ -9,16 +9,17 @@
     "preview": "vite preview",
     "lint": "eslint --ignore-path .eslintignore --ext .ts,.tsx .",
     "format": "prettier --ignore-path .gitignore --write \"**/*.+(ts|tsx|json)\"",
+    "test": "jest",
     "release": "standard-version"
   },
   "dependencies": {
     "@hookform/resolvers": "^2.9.7",
+    "@tanstack/react-query": "^4.0.10",
     "axios": "^0.25.0",
     "concurrently": "^7.0.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-hook-form": "^7.34.0",
-    "react-query": "^4.0.0",
     "react-router": "^6.2.1",
     "react-router-dom": "^6.3.0",
     "react-toastify": "^8.2.0",
@@ -29,6 +30,7 @@
   "devDependencies": {
     "@commitlint/cli": "^16.2.1",
     "@commitlint/config-conventional": "^16.2.1",
+    "@types/jest": "^28.1.6",
     "@types/node": "^17.0.21",
     "@types/react": "^18.0.15",
     "@types/react-dom": "^18.0.6",
@@ -39,9 +41,11 @@
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-react": "^7.28.0",
     "husky": "^7.0.4",
+    "jest": "^28.1.3",
     "prettier": "^2.5.1",
     "sass": "^1.49.0",
     "standard-version": "^9.3.2",
+    "ts-jest": "^28.0.7",
     "typescript": "^4.4.4",
     "vite": "^2.7.2"
   }

package.json

@@ -0,0 +1,19 @@
+import { login } from '../auth.service';
+
+describe('login', () => {
+  it('should return true on successfull login', async () => {
+    const body = { username: 'user', password: 'user' };
+    const res = await login(body);
+    expect(res).toBe(true);
+  });
+
+  it('should throw error message on failed login', async () => {
+    expect.assertions(1);
+    try {
+      const body = { username: 'user', password: 'wrong' };
+      await login(body);
+    } catch (err) {
+      expect(err).toMatch('Invalid username or password');
+    }
+  });
+});

src/services/api/__tests__/auth.test.ts

@@ -18,7 +18,10 @@
     "resolveJsonModule": true,
     "isolatedModules": true,
     "noEmit": true,
-    "types": ["node"],
+    "types": [
+      "node",
+      "jest",
+    ],
     "jsx": "react-jsx",
     "baseUrl": "src",
     "paths": {