test: migrate all tests from mocha/chai to vitest

.claude/scheduled_tasks.lock

@@ -0,0 +1 @@
+{"sessionId":"996f4d40-c459-4d03-9332-e542939dda5e","pid":80414,"acquiredAt":1775073709302}

package.json

@@ -21,26 +21,20 @@
     "@nomiclabs/hardhat-ethers": "^2.0.4",
     "@offchainlabs/l1-l3-teleport-contracts": "1.0.1",
     "@typechain/ethers-v5": "9.0.0",
-    "@types/chai": "^4.2.11",
-    "@types/mocha": "^9.0.0",
     "@types/prompts": "^2.0.14",
     "@types/yargs": "^17.0.9",
     "@typescript-eslint/eslint-plugin": "^5.14.0",
     "@typescript-eslint/eslint-plugin-tslint": "^5.27.1",
     "@typescript-eslint/parser": "^5.14.0",
     "audit-ci": "^6.6.1",
     "axios": "^1.13.5",
-    "chai": "^4.2.0",
     "chalk": "^4.1.0",
     "dotenv": "^10.0.0",
     "eslint": "^7.32.0",
     "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-mocha": "^9.0.0",
     "eslint-plugin-prettier": "^4.0.0",
     "ethers": "^5.0.0",
     "hardhat": "^2.24.0",
-    "mocha": "^9.2.1",
-    "nyc": "^15.1.0",
     "prettier": "^2.3.2",
     "prettier-plugin-solidity": "^1.0.0-beta.17",
     "prompts": "^2.4.2",
@@ -69,13 +63,10 @@
     "**/patch-package/cross-spawn": "6.0.6",
     "**/eslint/cross-spawn": "7.0.5",
     "**/foreground-child/cross-spawn": "7.0.5",
-    "**/istanbul-lib-processinfo/cross-spawn": "7.0.5",
-    "**/istanbul-lib-instrument/@babel/core/@babel/helpers": "7.26.10",
     "**/hardhat/undici": "5.29.0",
     "**/chokidar/braces": "3.0.3",
     "**/sol2uml/axios": "0.30.2",
     "**/brace-expansion": "1.1.12",
-    "**/mocha/minimatch/brace-expansion": "2.0.2",
     "**/convert-svg-core/glob/minimatch/brace-expansion": "2.0.2",
     "**/eslint/js-yaml": "3.14.2",
     "**/eslint/@eslint/eslintrc/js-yaml": "3.14.2",

packages/ethers-viem-compat/tests/compatibility.test.ts

@@ -1,4 +1,4 @@
-import { expect } from 'chai'
+import { describe, it, expect } from 'vitest'
 import { BigNumber, providers } from 'ethers'
 import { createPublicClient, defineChain, http, TransactionReceipt } from 'viem'
 import { arbitrumSepolia, mainnet } from 'viem/chains'
@@ -30,10 +30,10 @@ describe('viem compatibility', () => {
       })
 
       const provider = publicClientToProvider(publicClient)
-      expect(provider).to.be.instanceOf(providers.StaticJsonRpcProvider)
-      expect(provider.network.chainId).to.equal(testChain.id)
-      expect(provider.network.name).to.equal(testChain.name)
-      expect(provider.connection.url).to.equal('https://example.com')
+      expect(provider).toBeInstanceOf(providers.StaticJsonRpcProvider)
+      expect(provider.network.chainId).toBe(testChain.id)
+      expect(provider.network.name).toBe(testChain.name)
+      expect(provider.connection.url).toBe('https://example.com')
     })
 
     it('successfully converts PublicClient to Provider', () => {
@@ -44,9 +44,9 @@ describe('viem compatibility', () => {
 
       const provider = publicClientToProvider(publicClient)
 
-      expect(provider.network.chainId).to.equal(publicClient.chain!.id)
-      expect(provider.network.name).to.equal(publicClient.chain!.name)
-      expect(provider.connection.url).to.equal(
+      expect(provider.network.chainId).toBe(publicClient.chain!.id)
+      expect(provider.network.name).toBe(publicClient.chain!.name)
+      expect(provider.connection.url).toBe(
         'https://sepolia-rollup.arbitrum.io/rpc'
       )
     })
@@ -59,9 +59,9 @@ describe('viem compatibility', () => {
 
       const provider = publicClientToProvider(publicClient)
 
-      expect(provider.network.chainId).to.equal(publicClient.chain!.id)
-      expect(provider.network.name).to.equal(publicClient.chain!.name)
-      expect(provider.connection.url).to.equal(
+      expect(provider.network.chainId).toBe(publicClient.chain!.id)
+      expect(provider.network.name).toBe(publicClient.chain!.name)
+      expect(provider.connection.url).toBe(
         'https://arbitrum-sepolia.gateway.tenderly.co'
       )
     })
@@ -73,7 +73,7 @@ describe('viem compatibility', () => {
         transport,
       })
 
-      expect(() => publicClientToProvider(publicClient)).to.throw(
+      expect(() => publicClientToProvider(publicClient)).toThrow(
         '[publicClientToProvider] "chain" is undefined'
       )
     })
@@ -113,15 +113,15 @@ describe('viem compatibility', () => {
       const ethersReceipt =
         viemTransactionReceiptToEthersTransactionReceipt(viemReceipt)
 
-      expect(ethersReceipt.to).to.equal('0x1234')
-      expect(ethersReceipt.from).to.equal('0x5678')
-      expect(ethersReceipt.contractAddress).to.equal('0xabcd')
-      expect(ethersReceipt.transactionIndex).to.equal(1)
-      expect(ethersReceipt.gasUsed.eq(BigNumber.from(21000))).to.equal(true)
-      expect(ethersReceipt.blockNumber).to.equal(123)
-      expect(ethersReceipt.status).to.equal(1)
-      expect(ethersReceipt.logs[0].address).to.equal('0xcontract')
-      expect(ethersReceipt.byzantium).to.equal(true)
+      expect(ethersReceipt.to).toBe('0x1234')
+      expect(ethersReceipt.from).toBe('0x5678')
+      expect(ethersReceipt.contractAddress).toBe('0xabcd')
+      expect(ethersReceipt.transactionIndex).toBe(1)
+      expect(ethersReceipt.gasUsed.eq(BigNumber.from(21000))).toBe(true)
+      expect(ethersReceipt.blockNumber).toBe(123)
+      expect(ethersReceipt.status).toBe(1)
+      expect(ethersReceipt.logs[0].address).toBe('0xcontract')
+      expect(ethersReceipt.byzantium).toBe(true)
     })
 
     it('handles failed transaction status', () => {
@@ -144,7 +144,7 @@ describe('viem compatibility', () => {
 
       const ethersReceipt =
         viemTransactionReceiptToEthersTransactionReceipt(viemReceipt)
-      expect(ethersReceipt.status).to.equal(0)
+      expect(ethersReceipt.status).toBe(0)
     })
   })
 })

packages/sdk/package.json

@@ -32,12 +32,10 @@
     "prebuild": "yarn gen:abi",
     "build": "rm -rf dist && tsc -p tsconfig.json",
     "watch": "tsc --watch",
-    "test": "mocha",
-    "test:coverage": "nyc mocha",
+    "test": "vitest run --config ../../vitest.config.ts",
     "test:fork": "SHOULD_FORK=1 hardhat test tests/fork/*.test.ts",
-    "test:integration": "mocha tests/integration/ --timeout 30000000 --bail",
+    "test:integration": "vitest run --config ../../vitest.config.ts tests/integration --test-timeout 30000000 --bail 1 --fileParallelism=false",
     "test:unit": "vitest run --config ../../vitest.config.ts tests/unit",
-    "test:ci": "nyc --reporter=lcovonly mocha --reporter xunit",
     "lint": "eslint .",
     "format": "prettier './**/*.{js,json,md,ts,yml}' '!./src/lib/abi' --write && yarn run lint --fix",
     "clean:compile": "ts-node scripts/cleanCompileContracts.ts",

packages/sdk/tests/fork/inbox.test.ts

@@ -16,7 +16,7 @@
 /* eslint-env node */
 'use strict'
 
-import { expect } from 'chai'
+import { describe, it, expect, beforeAll, beforeEach } from 'vitest'
 
 import { BigNumber } from '@ethersproject/bignumber'
 import { Logger, LogLevel } from '@ethersproject/logger'
@@ -90,7 +90,7 @@ describe('Inbox tools', () => {
 
   let forkBlockNumber: number
   let forkProviderUrl: string
-  before(async () => {
+  beforeAll(async () => {
     const { l1Provider } = await setup()
     forkBlockNumber = await l1Provider.getBlockNumber()
     forkProviderUrl = 'http://localhost:8545'
@@ -132,12 +132,12 @@ describe('Inbox tools', () => {
 
     const forceInclusionTx = await inboxTools.forceInclude()
 
-    expect(forceInclusionTx, 'Null force inclusion').to.not.be.null
+    expect(forceInclusionTx, 'Null force inclusion').not.toBeNull()
     await forceInclusionTx!.wait()
 
     const messagesReadAfter = await sequencerInbox.totalDelayedMessagesRead()
 
-    expect(messagesReadAfter.toNumber(), 'Message not read').to.eq(
+    expect(messagesReadAfter.toNumber(), 'Message not read').toBe(
       startInboxLength.add(1).toNumber()
     )
   })
@@ -178,11 +178,11 @@ describe('Inbox tools', () => {
     const inboxTools = new InboxTools(l1Signer, l2Network)
     const forceInclusionTx = await inboxTools.forceInclude()
 
-    expect(forceInclusionTx, 'Null force inclusion').to.not.be.null
+    expect(forceInclusionTx, 'Null force inclusion').not.toBeNull()
     await forceInclusionTx!.wait()
 
     const messagesReadAfter = await sequencerInbox.totalDelayedMessagesRead()
-    expect(messagesReadAfter.toNumber(), 'Message not read').to.eq(
+    expect(messagesReadAfter.toNumber(), 'Message not read').toBe(
       startInboxLength.add(2).toNumber()
     )
   })
@@ -229,7 +229,7 @@ describe('Inbox tools', () => {
     await mineBlocks(6600, block.timestamp)
 
     const event = await inboxTools.getForceIncludableEvent()
-    expect(event?.event.messageDataHash, 'Invalid message hash.').to.eq(
+    expect(event?.event.messageDataHash, 'Invalid message hash.').toBe(
       messageDataHash
     )
   })
@@ -239,7 +239,7 @@ describe('Inbox tools', () => {
     const inboxTools = new InboxTools(l1Signer, l2Network)
 
     const event = await inboxTools.getForceIncludableEvent()
-    expect(event, 'Event not null').to.be.null
+    expect(event, 'Event not null').toBeNull()
   })
 
   const mineBlocks = async (

packages/sdk/tests/integration/childTransactionReceipt.test.ts

@@ -16,7 +16,7 @@
 /* eslint-env node */
 'use strict'
 
-import { expect } from 'chai'
+import { describe, it, beforeEach, expect } from 'vitest'
 
 import {
   fundParentSigner,
@@ -60,7 +60,7 @@ async function waitForL1BatchConfirmations(
 }
 
 describe('ArbProvider', () => {
-  beforeEach('skipIfMainnet', async function () {
+  beforeEach(async function () {
     await skipIfMainnet(this)
   })
 
@@ -109,7 +109,7 @@ describe('ArbProvider', () => {
           60_000
         )
 
-        expect(l1BatchConfirmations, 'missing confirmations').to.be.gt(0)
+        expect(l1BatchConfirmations, 'missing confirmations').toBeGreaterThan(0)
 
         if (l1BatchConfirmations > 8) {
           break