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Writing Test Programs, Not Just Tests – Going Beyond the Test Runner

https://testflows.com/blog/writing-test-programs-not-just-tests/
1•Naulius•1h ago

Comments

Naulius•1h ago
Most test frameworks follow a "runner mentality"; you write test functions and hand them to a runner that controls discovery, execution order, and flow. The moment you need something dynamic (loop a test N times based on a runtime value, skip a test based on another's result), you're hunting for plugins. We present an alternative that is, in a way, a return to basics: treat your tests as a regular program. Dependencies become if statements. Retries become while loops. Parallel execution becomes a function argument. No plugins — just code, just Python. We use TestFlows (pip3 install testflows) to illustrate the idea, but the core argument is framework-independent: test code should have the same expressive power as production code. Have you hit the ceiling of your test runner? How do you handle dynamic test flows today?

AI data centres can warm surrounding areas by up to 9.1°C

https://www.newscientist.com/article/2521256-ai-data-centres-can-warm-surrounding-areas-by-up-to-...
1•johnbarron•37s ago•0 comments

My Prodigal Brainchild

https://nealstephenson.substack.com/p/my-prodigal-brainchild
3•jethronethro•2m ago•0 comments

Colorado House passes bill to limit surveillance pricing and wage setting

https://coloradonewsline.com/briefs/surveillance-pricing-wage-setting/
1•jprs•3m ago•0 comments

'Using AI to manipulate the truth is not on'

https://www.bbc.com/news/articles/cly7v7ng9nno
4•devonnull•3m ago•0 comments

Inria Global Font

https://black-foundry.com/case-studies/inria-identity-font/
3•smartmic•3m ago•0 comments

Wax: Optimizing Data Center Applications with Stale Profile

https://github.com/ice-rlab/wax
1•matt_d•7m ago•0 comments

The SEO parasites buying, exploiting and ultimately killing online newsbrands

https://pressgazette.co.uk/news/the-seo-parasites-buying-exploiting-and-ultimately-killing-online...
1•thm•10m ago•0 comments

Improve Privacy by Running a DNS Server Without Forwarder

https://louwrentius.com/improve-privacy-by-running-a-dns-server-without-forwarder.html
1•louwrentius•10m ago•0 comments

I Built an Open-World Engine for the N64

https://www.youtube.com/watch?v=lXxmIw9axWw
1•gargan•11m ago•0 comments

Enter the Lebenswelt: AI and Our Life-World

https://deepsub.substack.com/p/enter-the-lebenswelt-ai-and-our-life
1•dsubburam•12m ago•0 comments

We built AvisYou.com – and why it helps small teams and solo devs

https://avisyou.com
1•avis-you•12m ago•0 comments

ISBN Visualization – Annas Archive

https://annas-archive.gd/isbn-visualization?
1•Cider9986•12m ago•0 comments

The New Billionaires of the A.I. Boom

https://www.nytimes.com/2025/12/29/technology/new-billionaires-ai-boom.html
1•paulpauper•15m ago•0 comments

Digging Out of the U.S. Housing Affordability Crisis

https://www.cbreim.com/insights/articles/digging-out-of-the-us-housing-affordability-crisis
1•paulpauper•16m ago•0 comments

The 'shadow realm' of the affordability crisis

https://www.cnn.com/2026/03/22/us/working-homeless-affordability-brian-goldstone
2•paulpauper•17m ago•1 comments

Dijkstra's Shortest-Path Algorithm: A visual exploration, following Sedgewick

https://joshmpollock.com/dijkstras-algorithm-article/
1•matt_d•17m ago•0 comments

A critical 9.8 CVSS (ZDI-CAN-30207) hits Telegram

https://twitter.com/the_yellow_fall/status/2037464498097803344
1•n4bz0r•25m ago•0 comments

Conservative Treatment for Endobronchial Blast Injury with Tracheal Rupture

https://onlinelibrary.wiley.com/doi/10.1002/ccr3.72363
1•rollulus•26m ago•1 comments

Imagine quitting bad habits with memes

https://apps.apple.com/us/app/quit-all-break-every-habit/id6760978934
1•apoorvdarshan•27m ago•1 comments

A look at the giant Iranian missile hulls scattered across Israel

https://www.timesofisrael.com/a-look-at-the-giant-iranian-missile-hulls-scattered-across-israel-a...
1•Betelbuddy•28m ago•0 comments

Lessons learned from building my first 3D Video Game

https://www.maxpou.fr/blog/lessons-learned-from-building-my-first-3d-video-game/
1•speckx•28m ago•0 comments

I 3D printed a vintage Mac that NEVER EXISTED [video]

https://www.youtube.com/watch?v=RUUVNi_X8w8
1•oldnetguy•32m ago•0 comments

Clojure: The Documentary[official trailer] [video]

https://www.youtube.com/watch?v=JJEyffSdBsk
2•dragandj•32m ago•0 comments

"Good Taste" Is Just Experience

https://terriblesoftware.org/2026/03/27/good-taste-is-just-experience/
2•matheusml•32m ago•0 comments

I built TaxPilot, a tool for the UK £100k tax trap

https://www.taxpilot.diy/
1•deltfly•33m ago•0 comments

How 'Handala' Became the Face of Iran's Hacker Counterattacks

https://www.wired.com/story/handala-hacker-group-iran-us-israel-war/
1•jbegley•34m ago•0 comments

Show HN: I made an AI that reviews iPhone apps – 1h of autonomous GUI work

https://understudy-ai.github.io/understudy/
1•bayes-song•34m ago•0 comments

Stackelberg Competition

https://en.wikipedia.org/wiki/Stackelberg_competition
1•highfrequency•35m ago•0 comments

Valve Clamps Down on Counter-Strike 2 Bots with 960k VAC Bans in One Day

https://www.techpowerup.com/347806/valve-clamps-down-on-counter-strike-2-farmer-bots-with-960-000...
2•speckx•36m ago•0 comments

I Created Rosie's mRNA Vaccine

https://twitter.com/paul_conyngham/status/2036940410363535823
2•highfrequency•40m ago•1 comments