add unit test with Vitest

NOTES.md

@@ -14,9 +14,11 @@ git push -u -f origin main
 Launch a new container for mysql:
 
 ```bash
-docker run --name mysql-dbname -e MYSQL_ROOT_PASSWORD=secret -p 3307:3307 -d mysql
+docker run --name mysql-dbname -e MYSQL_ROOT_PASSWORD=secret -p 3307:3306 -d mysql
 ```
 
+on port mapping [here](https://stackoverflow.com/questions/41637013/docker-mysql-on-different-port)
+
 Configure the `DATABASE_URL` in the `.env` file:
 
 ```Properties
@@ -40,3 +42,13 @@ content: [
   "@/lib/**/*.{ts,tsx}",
 ]
 ```
+
+## Vitest
+
+### Mocking prisma
+
+[guide](https://www.prisma.io/blog/testing-series-1-8eRB5p0Y8o#why-mock-prisma-client)
+
+### Mock trpc
+
+[guide](https://tawaldevuniverse.hashnode.dev/some-tips-when-using-t3-stack-unit-testing-with-trpc-procedures-environment-setup)

package.json

@@ -12,7 +12,8 @@
     "cypress-mobile": "cypress open --config viewportWidth=375,viewportHeight=667",
     "cypress-run-e2e": "cypress run --config video=false",
     "cypress-run-component": "cypress run --config video=false --component",
-    "prepare": "husky install"
+    "prepare": "husky install",
+    "test": "vitest"
   },
   "lint-staged": {
     "*": "prettier --ignore-unknown --write"
@@ -64,7 +65,9 @@
     "prisma": "^5.7.1",
     "tailwindcss": "^3.3.5",
     "ts-node": "^10.9.2",
-    "typescript": "^5.1.6"
+    "typescript": "^5.1.6",
+    "vitest": "^1.1.3",
+    "vitest-mock-extended": "^1.3.1"
   },
   "ct3aMetadata": {
     "initVersion": "7.25.0"