feat: migrate from Jest to Vitest #2069
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0xjorgen
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dohaki,
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Migrate test runner from Jest to Vitest for significantly improved performance: - Frontend tests: 77.9s → 2.1s (37x faster) - API tests: 84.4s → 7.6s (11x faster) Changes: - Add vitest.frontend.config.ts and vitest.api.config.ts - Use node environment by default, jsdom only for DOM-requiring tests - Convert jest.mock/fn/spyOn to vi.mock/fn/spyOn across 17 test files - Add setup.vitest.ts with TextEncoder polyfill - Inline @across-protocol/* packages to resolve ESM issues - Update package.json test scripts to use vitest Co-Authored-By: Claude <noreply@anthropic.com>
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0xjorgen
commented
Dec 9, 2025
| expect(token).toBeUndefined(); | ||
| }); | ||
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| it("should return undefined for a zero address if the native token is not in the token map", () => { |
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this test messed up the other with the nested mock.
If it is important, we can do the work of replacing it with another approach
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Deployment failed with the following error: Learn More: https://vercel.link/3Fpeeb1 |
added 2 commits
December 11, 2025 10:36
# Conflicts: # test/api/_bridges/cctp-sponsored/utils/signing.test.ts # test/api/_bridges/cctp/strategy.test.ts # test/api/_bridges/oft-sponsored/utils/signing.test.ts # test/api/_bridges/sponsored-intent/common.test.ts
added 2 commits
December 16, 2025 14:26
added 3 commits
January 6, 2026 12:26
# Conflicts: # test/api/_sponsorship-eligibility.test.ts
dohaki
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Jan 7, 2026
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Great stuff! Wanted to get off jest for a while now 👏 Only a few nits
dohaki
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Jan 7, 2026
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Motivation:
Fast unit tests are crucial for a good test writing experience. With AI, quick tests also let us iterate faster and run unit tests as part of workflow. Vite offers modern, easy-to-use testing tools and is notably faster.
Modification:
Migrate test runner from Jest to Vitest for significantly improved performance:
ci
before
after:
Changes:
Co-Authored-By: Claude noreply@anthropic.com