feat: adds unit tests

.github/workflows/unit-test.yml

@@ -0,0 +1,23 @@
+name: unit-test
+
+on: [push]
+
+jobs:
+  unitTests:
+    name: 'unit tests'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+
+      - name: Install Yarn
+        run: npm install -g yarn
+
+      - name: Install node_modules with Yarn
+        run: yarn install
+
+      - name: run unit tests
+        run: yarn test:ci

jest.config.js

@@ -0,0 +1,11 @@
+const nextJest = require('next/jest');
+
+const createJestConfig = nextJest({ dir: './' });
+
+const customJestConfig = {
+  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
+  testEnvironment: 'jest-environment-jsdom',
+  preset: 'ts-jest',
+};
+
+module.exports = createJestConfig(customJestConfig);

jest.setup.js

@@ -0,0 +1,6 @@
+import { TextEncoder as NodeTextEncoder } from 'util';
+
+// Polyfill TextEncoder for Jest (used in viem)
+if (typeof TextEncoder === 'undefined') {
+  global.TextEncoder = NodeTextEncoder;
+}

package.json

@@ -7,7 +7,9 @@
     "build": "next build",
     "start": "next start",
     "lint": "next lint",
-    "prettier:format": "prettier --config-precedence file-override --write \"src/**/*.{tsx,ts,scss,md,json}\""
+    "prettier:format": "prettier --config-precedence file-override --write \"src/**/*.{tsx,ts,scss,md,json}\"",
+    "test": "jest --watch",
+    "test:ci": "jest"
   },
   "dependencies": {
     "@ethersproject/providers": "^5.7.2",
@@ -36,6 +38,7 @@
   "devDependencies": {
     "@offchainlabs/prettier-config": "^0.2.1",
     "@types/dotenv": "^8.2.0",
+    "@types/jest": "^29.5.4",
     "@types/node": "18.16.3",
     "@types/react": "18.2.2",
     "@types/react-dom": "18.2.3",
@@ -44,11 +47,14 @@
     "dotenv": "^16.0.3",
     "eslint": "8.39.0",
     "eslint-config-next": "13.4.13",
+    "jest": "^29.6.4",
+    "jest-environment-jsdom": "^29.6.4",
     "postcss": "8.4.23",
     "prettier": "^2.8.8",
     "prettier-plugin-tailwindcss": "^0.3.0",
     "tailwind-merge": "^1.14.0",
     "tailwindcss": "^3.3.3",
+    "ts-jest": "^29.1.1",
     "typescript": "5.0.4"
   }
-}
+}

src/utils/__test__/__mocks__/index.ts

@@ -0,0 +1,43 @@
+export const rollupConfig = {
+  confirmPeriodBlocks: 150,
+  stakeToken: '0x0000000000000000000000000000000000000000',
+  baseStake: 0.1,
+  owner: '0xF27c2fEfe6a39aa08763e504b44133CD992dd0f3',
+  extraChallengeTimeBlocks: 0,
+  wasmModuleRoot: '0xda4e3ad5e7feacb817c21c8d0220da7650fe9051ece68a3f0b1c5d38bbb27b21',
+  loserStakeEscrow: '0x0000000000000000000000000000000000000000',
+  chainId: 12286328813,
+  chainName: 'My Arbitrum L3 Chain',
+  chainConfig: '0x0000000000000000000000000000000000000000000000000000000000000000',
+  genesisBlockNum: 0,
+  sequencerInboxMaxTimeVariation: {
+    delayBlocks: 5760,
+    futureBlocks: 48,
+    delaySeconds: 86400,
+    futureSeconds: 3600,
+  },
+};
+export const parentChainId = 421613;
+
+export const rollupContracts = {
+  rollup: '0x389a3eA93AcF8D3d9cE09008Db3b19b15D3698f0',
+  inbox: '0xe770844D0e343c5bcac19f16FD9559C6bA425c2F',
+  outbox: '0x5B8674639103E827d124a70CD1d48d3E59F41188',
+  adminProxy: '0xAaa60c3c0f3Fb37C57B2BF0E3e7533Cb6Ba79552',
+  sequencerInbox: '0x3d8d87d6280cA15f54dBF18151582E67F421576A',
+  bridge: '0x4816d0Bd98AF5635AEbAc468A9849C2A13Ed2ad0',
+  utils: '0x6efDC46924fc38763c5366a39BE4Ee1A14f22EA6',
+  validatorWalletCreator: '0x6601D1Fdc1db54b4AfA47E0876eE6575b0B3Cb60',
+  deployedAtBlockNumber: 36360310,
+};
+
+export const batchPoster = {
+  address: '0x3697A6Fd9682b905Cd81aB634BBc0d3bDe042059',
+};
+
+export const validators = [
+  {
+    privateKey: '0x3c5e657d99fcc95720df192aeca2be2c8ba743badbea6fcde2c086c16c8c2eb0',
+    address: '0xF27c2fEfe6a39aa08763e504b44133CD992dd0f3',
+  },
+];