CTO @Timeline_Tech. I also maintain Sedum (https://xitter.cf/t.co/nNm7UJhbwm)

Montevideo, Uruguay
Joined July 2009
Replying to @devnacho @dhh
For those adversarial review loops I like Swamp Club and the concept of blackbox UAT tests youtu.be/BL561UDdeoA?si=Xdnk… Could be useful for Omarchy releases :)
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Replying to @typesafeai
For end-to-end browser tests written in plain english we are talking 50x cheaper (in the worst case) and 5x faster. Jev 🩷
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Replying to @eduarD3V_
Lo uso para end-to-end tests escritos en plain english. Escribí esta librería para reemplazar todos los flaky e2e tests en mi trabajo y correr los tests relacionados al cambio en cada push de una manera económica github.com/sedum-dev/sedum sedum.dev
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Jev only reads text. Four identical "Buy" buttons, and you mean the one on the blue tote? It won't guess. With --vision, a vision model looks at a screenshot and picks one of the real buttons.
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A failing test writes a report.md your coding agent can act on: sentence, file:line, scores, screenshot, rerun command. Claude Code fixing one, sped up 4x. Upcoming feature: a probability that a failure is a real bug and not a flaky test.
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Rough numbers for a 20 person team (50 tests, ~20 runs a day): Per-step platform at list price: $4,875/mo Sedum on Jev: $38–91/mo 17-step checkout: 69s vs 14s.
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Every check gets a score from Jev (by @typesafeai), not a yes or no. So a weak pass gets flagged instead of going silently green, a flaky check shows its score dropping before it breaks the build, and one threshold decides how strict you are.
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Works on complex sites too. This is Google Flights in real time: filter to nonstop, pick the cheapest, check nothing costs less. No selectors, and the prices change every day.
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Already have Playwright tests? No rewrite. Drop a sentence in where the selector keeps breaking: await ai("click the Add to cart button for Sauce Labs Backpack") await expect(page.locator(".shopping_cart_badge")).toHaveText("2") Whole suite, 5 tests in parallel: $0.002.
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A Sedum test is just sentences: click the Add to cart button for Monstera click the Cart link click the Checkout button type {{name}} in the Full name field Here I renamed the Checkout button to "Continue to payment" and didn't touch the test. Still passes.
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