All Questions
Tagged with kotlin unit-testing
1,022
questions
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How to get unit test code coverage of Android kotlin project?
I have a Andorid kotlin project. I want to get the code coverage of the unit test using some script as it needs to be included in CI/CD pipeline.
How can I achieve this?
Thanks.
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1
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14
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java.lang.RuntimeException: Method getMainLooper in android.os.Looper not mocked
I got this error when I use JUnit5 for Unit testing:
java.lang.RuntimeException: Method getMainLooper in android.os.Looper
not mocked. at android.os.Looper.getMainLooper(Looper.java) at
androidx.arch....
- 1,481
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ParameterizedTest JUNIT5 with suspend functions
I'm trying to clean a little bit my code and when testing my datasource I'm repeating a lot the test that returns connection and service error, and I'd like to have a bunch of code that tests ...
- 891
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Android: Unit-Test (GPS) LocationListener using Robolectric
I want to test the location listener. Following code:
@RequiresPermission(anyOf = [permission.ACCESS_FINE_LOCATION])
override fun getCurrentLocationFlow(): Flow<GeoLocation> = callbackFlow {
...
- 533
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24
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MockK - Stubbed method persists even after class mock was cleared
I am trying to stub a class method twice to test both happy and error path, but for some reason MockK is unable to clear stubbed methods per test.
For convenience I know I can use returnsMany or ...
- 11
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214
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Kotlin unit test suspend function "android.os.Looper.getMainLooper()" is null
I tried to test a suspend function got the error:
Cannot invoke "android.os.Looper.getThread()" because the return value of "android.os.Looper.getMainLooper()" is null
class ...
- 15.9k
1
vote
2
answers
123
views
Testing Dispatcher IO and ViewModelScope in Unit Tests
I'm trying to test some code in my viewmodel. I'm trying to make two network calls with dispatcher async, but haven't figured out how to test. This is a simplified example of what I'm essentially ...
- 122
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Unit testing class with flow collection in init
How can I best go about unit testing flows that are collected in a class's init function?
The only solution I've come up with so far requires hard-coded delays.
Consider a sample implementation of a ...
- 394
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12
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How to do unit test on SoLoader.loadLibrary
I have a couple of native library that I use soLoader to load during run-time, but the dependency kept getting break during the development.
Is it possible to write a unit test against SoLoader....
- 451
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1
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46
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How to set HttpServletRequest headers when unit testing with GraphQlTester in kotlin?
I'm working on a Spring Boot project using Kotlin and GraphQL. For unit testing, I'm using GraphQlTester from org.springframework.graphql.test.tester.GraphQlTester. I need to pass headers to the ...
- 1
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48
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Best practice for testing the initial state of a ViewMode with Turbine
I have a simple ViewModel with a state that keeps some data. State is initialized in the init function of my ViewModel:
ViewModelState.kt
data class ViewModelState(
val myInfo: String = "&...
1
vote
1
answer
35
views
Test of a view model's coroutine never finishes
data class TimerInstance(
val isEnabled: Boolean,
val timeElapsed: Long,
)
class TimerViewModel(val dispatcher: CoroutineDispatcher = Dispatchers.Default) : ViewModel() {
private val ...
- 2,486
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votes
1
answer
19
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how can i take access to test method like AbstractClass.InnerClass.fun
I'm trying to write unit test for Abstract Class Realization and I need to write test for method with path Class.InnerClass.fun. example InClass.b2:
package com.example.kotlin_spring
abstract class ...
- 1
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1
answer
32
views
JUnit Testing Multiple Values Against Same Function Best Practice
Say I have various input strings that are passed into the same function and returns output strings that are compared against their expected results. For example, periods should be transformed to ...
- 123
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26
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How I can test location service, and it's permissions with junit?
Is it possible to write to write instrumental tests and later on for location permissions? I'm relatively new to testing topic, and I haven't found much examples that could possibly help me with it.
