add CI test workflow

.github/workflows/testing.yml

@@ -0,0 +1,52 @@
+name: Unit tests
+
+on: [pull_request]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    services:
+      test-db:
+        image: postgres:15
+        ports:
+          - 5433:5432
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: Callofduty2497
+          POSTGRES_DB: valetapptest
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Wait for Postgres to be ready
+        run: |
+          until pg_isready -h localhost -p 5433; do
+            echo "Waiting for Postgres..."
+            sleep 2
+          done
+
+      - name: Run Prisma migrate
+        env:
+          DATABASE_URL: postgres://postgres:Callofduty2497@localhost:5433/valetapptest
+        run: npx prisma migrate deploy
+
+      - name: Run tests
+        env:
+          NODE_ENV: test
+          DATABASE_URL: postgres://postgres:Callofduty2497@localhost:5433/valetapptest
+        run: npm test

jest.config.js

@@ -1,17 +1,7 @@
-import { createDefaultPreset } from 'ts-jest'
-
-const tsJestTransformCfg = createDefaultPreset().transform
-
-/** @type {import("jest").Config} */
-const config = {
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+  preset: 'ts-jest',
   testEnvironment: 'node',
-  transform: {
-    ...tsJestTransformCfg,
-  },
-  testMatch: ['**/__tests__/**/*.test.ts'], // look for tests in __tests__
-  setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'], // optional setup (Prisma, DB, etc.)
-  moduleFileExtensions: ['ts', 'js', 'json'],
-  clearMocks: true, // auto-clear mocks between tests
+  moduleFileExtensions: ['ts', 'js', 'json', 'node'],
+  testMatch: ['**/__tests__/**/*.(test|spec).ts', '**/?(*.)+(test|spec).ts'],
 }
-
-export default config