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← TDD fell out of fashion partly because its advocates turned it into a…
17 connected korrents · 13 moments on record from 5 Oct 2017 to 3 Sept 2026.
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software quality Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: TDD fell out of fashion partly because its advocates turned it into a moral test of professionalism, when people write very good software with a wide variety of workflows. TDD fell out of fashion partly because its advocates turned it into a moral test of professionalism, when people write very good software with a wide variety of workflows. Last stated 2 months ago
1 Jul 2026
KB
Kent Beck — holds since 2026-07-01 — tap for who they are
Same subject: TDD earns its keep only where work alternates rapidly between doing and learning; choosing it is a practical decision, never a moral one. — tap to centre the map on it TDD earns its keep only where work alternates rapidly between doing and learning; choosing it is a practical… Last stated 2 months ago
1 Jul 2026
KB
Kent Beck — holds since 2026-07-01 — tap for who they are
Same subject: Test-driven development matters more with coding agents than it ever did with people, because its real effect is stopping the agent writing more code than the task needs. — tap to centre the map on it Test-driven development matters more with coding agents than it ever did with people, because its real… Last stated 6 months ago
19 Mar 2026
SW
Simon Willison — holds since 2026-03-19 — tap for who they are
Same subject: Engineers are sceptical of formal methods because they were burned by CASE and UML, sold as miracle solutions and imposed on them regardless of fit. — tap to centre the map on it Engineers are sceptical of formal methods because they were burned by CASE and UML, sold as miracle solutions and… Last stated a month ago
29 Jul 2026
HW
Hillel Wayne — holds since 2026-07-29 — tap for who they are
Same subject: Unit testing frameworks arrived so late because testing was a status divide, and testers had every incentive to keep a separate tool and language of their own. — tap to centre the map on it Unit testing frameworks arrived so late because testing was a status divide, and testers had every… Last stated 2 months ago
1 Jul 2026
KB
Kent Beck — holds since 2026-07-01 — tap for who they are
Same subject: Software is not less rigorous than traditional engineering; its record-keeping and automated verification are better than most of that field's. — tap to centre the map on it Software is not less rigorous than traditional engineering; its record-keeping and automated verification are… Last stated 6 years ago
20 Jan 2021
HW
Hillel Wayne — holds since 2021-01-20 — tap for who they are
Same subject: Unit tests alone give little confidence in a program, because the mistakes people actually make are not the conveniently unit-testable ones. — tap to centre the map on it Unit tests alone give little confidence in a program, because the mistakes people actually make are not the… Last stated 9 years ago
5 Oct 2017
HW
Hillel Wayne — holds since 2017-10-05 — tap for who they are
Same subject: Much of the wisdom programmers pass on to each other is nonsense that nobody ever tested, and refusing to be dogmatic about untested practice is what marks out a good engineer. — tap to centre the map on it Much of the wisdom programmers pass on to each other is nonsense that nobody ever tested, and refusing to be… Last stated 2 weeks ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: The skill that matters now is not prompt engineering but giving a model a way to verify its own work, and it is the thing people most often get wrong. — tap to centre the map on it The skill that matters now is not prompt engineering but giving a model a way to verify its own work, and it is the… Last stated a month ago
27 Jul 2026
BC
Boris Cherny — holds since 2026-07-27 — tap for who they are
Same subject: A coding agent does not learn from its mistakes the way a person does -- it repeats the same error indefinitely unless a human notices and writes it down. — tap to centre the map on it A coding agent does not learn from its mistakes the way a person does -- it repeats the same error indefinitely unless… Last stated 5 months ago
25 Mar 2026
MZ
Mario Zechner — holds since 2026-03-25 — tap for who they are
Same subject: A coding-agent company should not train its own model: it has to stay neutral ground for models to compete on. — tap to centre the map on it A coding-agent company should not train its own model: it has to stay neutral ground for models to compete on. Last stated 4 days ago
3 Sept 2026
DR
Dax Raad — holds since 2026-09-03 — tap for who they are
Same subject: A machine can complete the task and completely miss the job -- coding makes this easy to see precisely because its tasks are so legible and verifiable. — tap to centre the map on it A machine can complete the task and completely miss the job -- coding makes this easy to see precisely because its… Last stated 3 weeks ago
14 Aug 2026
SP
Sunil Pai — holds since 2026-08-14 — tap for who they are
Same subject: A language-agnostic conformance suite is the most powerful thing you can hand a coding agent, because the whole instruction becomes: write code until these tests pass. — tap to centre the map on it A language-agnostic conformance suite is the most powerful thing you can hand a coding agent, because the… Last stated 6 months ago
19 Mar 2026
SW
Simon Willison — holds since 2026-03-19 — tap for who they are
Same subject: A passing test suite is not evidence that the software works, so an agent must also be made to start the thing and exercise it the way a person would. — tap to centre the map on it A passing test suite is not evidence that the software works, so an agent must also be made to start the thing and… Last stated 6 months ago
19 Mar 2026
SW
Simon Willison — holds since 2026-03-19 — tap for who they are
Same subject: Adding a config option so nobody breaks compounds into permutations no test suite can cover, because it is infinitely harder to evolve software that has users. — tap to centre the map on it Adding a config option so nobody breaks compounds into permutations no test suite can cover, because it is… Last stated 4 weeks ago
10 Aug 2026
PS
Peter Steinberger — holds since 2026-08-10 — tap for who they are
Same subject: A benchmark that ranks Claude Code last while it stays first in use is measuring the wrong thing, and has been for a year. — tap to centre the map on it A benchmark that ranks Claude Code last while it stays first in use is measuring the wrong thing, and has been for a… Last stated 4 days ago
3 Sept 2026
DR
Dax Raad — holds since 2026-09-03 — tap for who they are
Same subject: A language model asked to summarize its own system prompt risks that prompt's content biasing the summary it produces. — tap to centre the map on it A language model asked to summarize its own system prompt risks that prompt's content biasing the summary it… Last stated 5 days ago
2 Sept 2026
SW
Simon Willison — holds since 2026-09-02 — tap for who they are
Same subject: A trust that owns the mission protects a company better than founder control does, which is why Anthropic needs no dual-class shares. — tap to centre the map on it A trust that owns the mission protects a company better than founder control does, which is why Anthropic needs no… Last stated 4 months ago
10 May 2026
ER
Eric Ries — holds since 2026-05-10 — tap for who they are
At the centre
TDD fell out of fashion partly because its advocates turned it into a moral test of professionalism, when people write very good software with a wide variety of workflows.
Holds KB Kent BeckRead this korrent →
TDD earns its keep only where work alternates rapidly between doing and learning; choosing it is a practical decision, never a moral one.
Holds KB Kent Beck
Test-driven development matters more with coding agents than it ever did with people, because its real effect is stopping the agent writing more code than the task needs.
Holds
Engineers are sceptical of formal methods because they were burned by CASE and UML, sold as miracle solutions and imposed on them regardless of fit.
Holds HW Hillel Wayne
Unit testing frameworks arrived so late because testing was a status divide, and testers had every incentive to keep a separate tool and language of their own.
Holds KB Kent Beck
Software is not less rigorous than traditional engineering; its record-keeping and automated verification are better than most of that field's.
Holds HW Hillel Wayne
Unit tests alone give little confidence in a program, because the mistakes people actually make are not the conveniently unit-testable ones.
Holds HW Hillel Wayne
Much of the wisdom programmers pass on to each other is nonsense that nobody ever tested, and refusing to be dogmatic about untested practice is what marks out a good engineer.
Holds CM Casey Muratori
The skill that matters now is not prompt engineering but giving a model a way to verify its own work, and it is the thing people most often get wrong.
Holds
A coding agent does not learn from its mistakes the way a person does -- it repeats the same error indefinitely unless a human notices and writes it down.
Holds
A coding-agent company should not train its own model: it has to stay neutral ground for models to compete on.
Holds
A machine can complete the task and completely miss the job -- coding makes this easy to see precisely because its tasks are so legible and verifiable.
Holds
A language-agnostic conformance suite is the most powerful thing you can hand a coding agent, because the whole instruction becomes: write code until these tests pass.
Holds
A passing test suite is not evidence that the software works, so an agent must also be made to start the thing and exercise it the way a person would.
Holds
Adding a config option so nobody breaks compounds into permutations no test suite can cover, because it is infinitely harder to evolve software that has users.
Holds
A benchmark that ranks Claude Code last while it stays first in use is measuring the wrong thing, and has been for a year.
Holds
A language model asked to summarize its own system prompt risks that prompt's content biasing the summary it produces.
Holds
A trust that owns the mission protects a company better than founder control does, which is why Anthropic needs no dual-class shares.
Holds ER Eric Ries