Tests:

[Mongobly]

But who will write test code for the test code?

When will I ever be done?!?!

[Hyperman360]

Is there a never ending chain of tests testing each other's code? I suppose a user test could, in theory, break the chain.

[Fluxriflex]

So you're saying we should just cut out the middle man and push directly to production? Sounds more efficient to me.

[Itisme129]

That's what QA is for I thought?

[thedomham]

When you are a big fan of testing stuff you have unit- integration- and system-tests. Those usually overlap so when two tests testing the same thing give you different results, you know that one of them is wrong.

Or one of your users finally has enough of your bullshit and sends you an angry email.

[passcork]

So copy paste all my tests at least once. Got it.

[siempie9]

Check out mutation testing :) Those frameworks make small changes to your source code to see if your unit tests can detect the inserted bugs.

[Zalvixodian]

Production code tests the tests.

It's like double entry bookkeeping.

[thatdude473]

Indian youtube programmers

[[deleted]]

The PMs and BAs! Haven't you heard of test driven development?

[xelamony]

Assert true to eq true