feat: use vitest

README.md

@@ -18,7 +18,7 @@
   <dd>Complete TypeScript setup with generated contract bindings and utilities for interacting with Aztec sandbox.</dd>
 
   <dt>Comprehensive testing</dt>
-  <dd>Noir unit tests for contract logic and TypeScript integration tests using Jest with ESM support. Tests automatically start and manage the Aztec sandbox - no manual setup required.</dd>
+  <dd>Noir unit tests for contract logic and TypeScript integration tests using Vitest. Tests automatically start and manage the Aztec sandbox - no manual setup required.</dd>
 
   <dt>Automated benchmarking</dt>
   <dd>GitHub Actions workflow that automatically benchmarks your contracts on every PR, comparing Gates, DA Gas and L2 Gas against the base branch.</dd>

package.json

@@ -10,7 +10,7 @@
     "codegen": "aztec codegen target --outdir src/artifacts",
     "compile": "aztec-nargo compile",
     "test": "yarn test:nr && yarn test:js",
-    "test:js": "NODE_OPTIONS='--experimental-vm-modules --no-warnings' jest --no-cache --runInBand --config jest.integration.config.json",
+    "test:js": "vitest run",
     "test:nr": "aztec test",
     "lint:prettier": "prettier '**/*.{js,ts}' --write",
     "build": "yarn compile && yarn codegen -f",
@@ -23,25 +23,20 @@
     "@aztec/accounts": "0.87.5",
     "@aztec/aztec.js": "0.87.5",
     "@aztec/noir-contracts.js": "0.87.5",
-    "@defi-wonderland/aztec-benchmark": "1.0.0",
-    "@types/node": "22.5.1"
+    "@defi-wonderland/aztec-benchmark": "1.0.0"
   },
   "devDependencies": {
+    "@types/node": "22.5.1",
     "@commitlint/cli": "19.8.1",
     "@commitlint/config-conventional": "19.8.1",
     "@types/jest": "29.5.11",
     "@types/mocha": "10.0.6",
-    "@types/node": "22.5.1",
     "husky": "9.1.7",
-    "jest": "29.7.0",
+    "tsx": "4.20.3",
     "lint-staged": "15.4.3",
     "prettier": "3.4.2",
-    "ts-jest": "29.4.0",
-    "tsx": "4.20.3",
-    "typescript": "5.7.2"
-  },
-  "jest": {
-    "testTimeout": 200000
+    "typescript": "5.7.2",
+    "vitest": "3.2.4"
   },
   "config": {
     "aztecVersion": "0.87.5"

src/ts/counter.test.ts

@@ -10,6 +10,7 @@ import {
 } from "@aztec/aztec.js";
 import { getInitialTestAccountsWallets } from "@aztec/accounts/testing";
 import { deployCounter, setupSandbox } from "./utils.js";
+import { describe, it, expect, beforeAll, beforeEach } from "vitest";
 
 describe("Counter Contract", () => {
   let pxe: PXE;

vitest.config.ts

@@ -0,0 +1,11 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    // aztec sandbox tests take quite some time
+    hookTimeout: 200000,
+    testTimeout: 200000,
+    globalSetup: "./vitest.setup.ts",
+    fileParallelism: false,
+  },
+});