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Alternatively you can look at it from cost/benefit point of view. Cost of testing grows exponentially as you approach the 100% certainty. You can say "it's prob
by pornel 4y ago
Alternatively you can look at it from cost/benefit point of view. Cost of testing grows exponentially as you approach the 100% certainty. You can say "it's probably fine" with an okay test coverage and a few minutes of poking around in a staging environment. But to say "it's 100% definitely fine" you need to fully test every last bit of the whole system, with real data, in realistic environment and load.
If the project is launching a space ship, then investment in every possible testing method is probably worth it. But when maintaining a blog, you can keep costs down if it can wait until Monday.
- makeitdouble 4y agoYes. Also, even actual space ship launches are done when there is the largest margin for error, and so the best chance of success. Not "whenever it's ready"
- zinekeller 4y agoA literal example of this is that US Space Shuttles are never launched nor land (except if there was an emergency) on the last and first weeks of a year, and until 2007/2008 (where the software was meticulously tested and fixed in summer of 2007) missions are scheduled to avoid December 31 and January 1 in space. This is a precaution against year-end rollover (YERO) bugs (https://abcnews.go.com/Technology/story?id=2699091&page=1 https://abcnews.go.com/Technology/story?id=2699091&page=1).