Migrate mocha to vitest for parachain ts-test #3833
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- Replace Mocha + Chai + mocha-steps with Vitest - Update package.json: remove mocha/chai deps, add vitest - Add vitest.config.ts with test configuration - Convert test syntax: * step() → test() * expect().to.equal() → expect().toBe() * describeLitentry now uses Vitest hooks (beforeAll/afterAll) - Update all imports to use .js extensions for ESM compatibility - Update package.json to use 'type: module' - Test scripts remain same (test-filter, test-evm-contract, etc.) - No changes to CI or bash scripts needed (they call pnpm scripts) Benefits: - Native ESM support (no more ts-node/register hacks) - Better TypeScript integration - Faster test execution - Modern test framework with better DX
- Update @vitest/ui: 3.0.0 → 3.2.4 - Update vitest: 3.0.0 → 3.2.4 - Refresh pnpm-lock.yaml with latest resolved versions
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BillyWooo
approved these changes
Nov 23, 2025
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Context
As topic - for more friendly and modern ESM support