mockk exception - no answer found for

Question

using mockk for testing kotlin function.

private val serviceObject = mockk<Service>()
private val serviceToBeTested = ServiceToBeTestd(Service)
        
fun test(){
    when(serviceObject.function1(argument1,argument1))
        .thenReturn(<something>)
}

When i try to run it, i get this error:

io.mockk.MockKException: no answer found for: Service(#1).function1(argument1, argument2)

Any idea why ?

ServiceToBeTestd is the service to be tested, Service is wired in it:

open class ServiceToBeTestd
    constructor(private val service: Service)

score 18 · Accepted Answer · edited Feb 02 '21 at 10:09

18

You are using mockito syntax.

Below is correct syntax for mockk.

val car = mockk<Car>()

every { car.drive(Direction.NORTH) } returns Outcome.OK

Please update your syntax.

edited Feb 02 '21 at 10:09

Willi Mentzel

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answered Jul 23 '19 at 13:07

Hardik Bambhania

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what is "returns" ? There is no any in Mockk – aleksandrbel Mar 22 '21 at 13:26
its kotlin syntax (so is the code posted by OP) – JavaTec Jun 29 '21 at 17:00
1

@aleksandrbel `every { }` runs the block inside `MockKMatcherScope` and that class defines `any()`. – Samuel Neff Feb 10 '22 at 20:06
i am getting the same error .. – Srishti Roy Mar 24 '22 at 13:28

mockk exception - no answer found for

1 Answers1