Hello :wave: Today i wanted to replace my custom `...

# stdlib

[Mustafa Ozhan]

Hello 👋
Today i wanted to replace my custom Result class with Kotlin Result then I just realised that my coverage was decreased .

Unfortunately none of the onSuccess and onFailure methods were covered.

• Is there any plan of covering them ?
• How do you guys cover these methods are you writing Unit test on Kotlin Result methods ?

[Big Chungus]

You need kover to cover inline stuff. Jacoco cannot handle that.

[Mustafa Ozhan]

I already use kover and they are not covered with kover too

[Klitos Kyriacou]

I had a play with Result and could see all lines being covered by using the IDE's own "Debug with coverage".

[Mustafa Ozhan]

even the .onSuccess{..} .onFailure{..} lines ? That’s interesting, do you use some tool like Codecov or Cadacy ? if yes, do you see these lines covered in the consoles ?

[Klitos Kyriacou]

I just created a new Kotlin project straight in the IDE, using no other tools except JUnit 5. I right-click on the test and choose "Run test with coverage". This uses the IDE's own coverage analyzer, no external tool. It shows that the block arguments to onSuccess and onFailure are both covered by the test.

[Big Chungus]

Ah, but you can't use that in CI, so not much use of it these days.

[Big Chungus]

Plus ij coverage tool has little to do with jacoco or junit

[Mustafa Ozhan]

Yea also that one doesn’t really work well with Kotlin Multiplatfrom (at least in my project 🙂 )