Tests as data
Arrays of given, action, and assert steps. Run with return runSiheom(...) — no await in the test body.
siheomData-first frontend testing centered on accessibility
Write tests as data; run them in a real browser via the interpreter.
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Real browser
vitest browser mode (Playwright provider) renders UI in Chromium, etc. jsdom and happy-dom are not recommended.
Role + name locators
Same accessibility information as Playwright and Testing Library. No CSS or test ids.
Factory extension
Add custom steps via extendSiheom registries — same shape as built-in steps, unlike Playwright page objects.