I haven't seen anyone talk about mutation testing as a strategy for avoiding regressions on legacy code without perfect test coverage.
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Replying to @backus
@jbackus3 Mutant (https://github.com/mbj/mutant ) is extremely helpful when editing critical paths I wrote years ago.1 reply 0 retweets 1 like -
Replying to @mifreewil
@mifreewil I think with time it results in you writing better code and tests, so there isn't much additional work1 reply 0 retweets 0 likes -
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Replying to @mifreewil
@mifreewil Well it depends. Usually I have to write tests that weren't there and should be.2 replies 0 retweets 0 likes
@mifreewil But now our tests are almost always properly decoupled from implementation. Now changing code means legitimately changing tests
2:27 PM - 12 Nov 2015
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