I'm trying to mock anonymous class created in testInstance Sample:
class SomeClass(val someValue:SomeType) :SomeAnotherClass(){
val anonymousClass = object : AnotherClass{
override anotherMethod() { }
}
override fun someMethod(someValue) = anonymousClass.someMethod(someValue)
}
And test class:
class SomeClassTest {
private val someValue: SomeType = mockk()
private val testInstance = spyk(SomeClass(someValue), recordPrivateCalls = true)
#Test
fun `test method`(){
mockkConstructor(CustomTlsSocketFactory::class)
every { anyConstructed<AnotherClass>().someMethod(someValue) } returns mockk()
testInstance.someMethod(someValue)
verify { anyConstructed<AnotherClass>().someMethod(someValue) }
}
}
And for some reason anonymousClass.someMethod(someValue) is trying to call original method not mockk.
Calling testInstance.anonymousClass.isMock is false
Related
I have this class that exposes remote configs to others. I thought by creating a class, I would just mock it when testing others that use it but so far, firebase is blocking me. Not sure what I am doing wrong exactly.
class AppRemoteConfig #Inject constructor() {
private var remoteConfig: FirebaseRemoteConfig = Firebase.remoteConfig
private fun setListeningInterval(): Long {
if (BuildConfig.DEBUG){
return 0;
}
return 86400;
}
init {
val configSettings = remoteConfigSettings {
minimumFetchIntervalInSeconds = setListeningInterval()
}
remoteConfig.setConfigSettingsAsync(configSettings)
remoteConfig.setDefaultsAsync(R.xml.remote_config_defaults)
remoteConfig.fetchAndActivate()
.addOnCompleteListener(OnCompleteListener{
if (it.isSuccessful) {
remoteConfig.activate()
}
})
}
fun getString(key: String): String {
return this.remoteConfig.getString(key)
}
}
Now a class uses it this way:
class GetRData #Inject constructor(
private val _remoteConfig: AppRemoteConfig
) {
operator fun invoke(key): String {
try {
return _remoteConfig.getString(key)
} catch(ex: Exception){
return ""
}
return ""
}
}
Now I want to test GetRData class but I get the error: Default FirebaseApp is not initialized in this process null. Make sure to call FirebaseApp.initializeApp(Context) first.
here is what I have tried:
class GetRDataTest {
private var appRemoteConfig = mockk<AppRemoteConfig>(relaxed = true)
private lateinit var getRData : GetRData
#Before
fun setUp(){
getRData = GetRData(appRemoteConfig)
}
#Test
fun `Should get string value`() {
every { appRemoteConfig.getString("status") } returns "red"
val result = getRData.invoke("status")
verify { appRemoteConfig.getString("status") }
Truth.assertThat(result).isEqualTo("red")
}
}
I run Code A, and get the error Result A. It seems that isRecordingState has't been initialized.
So I modify Code A as Code B, and Code B can run correctly.
In my mind, I can place different functions in any order in a class of Kotlin.
I think init{ } of a Class will be launched after the object has been initialized, so I think I can place init{ } in any place of a class.
What's wrong with my ideas?
Code A
#HiltViewModel
class SoundViewModel #Inject constructor(
#ApplicationContext private val appContext: Context,
...
): ViewModel() {
init { beginSoundDensity() }
private val _timeXState = MutableStateFlow(0)
var isRecordingState by mutableStateOf(false)
private set
private var myJob: Job?=null
fun beginSoundDensity() {
if (isRecordingState == false) {
isRecordingState = true
myJob?.cancel()
...
}
}
}
Result A
java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object androidx.compose.runtime.State.getValue()' on a null object reference
at info.dodata.soundmeter.presentation.viewmodel.SoundViewModel.isRecordingState(SoundViewModel.kt:245)
at info.dodata.soundmeter.presentation.viewmodel.SoundViewModel.beginSoundDensity(SoundViewModel.kt:81)
at info.dodata.soundmeter.presentation.viewmodel.SoundViewModel.<init>(SoundViewModel.kt:39)
Code B
#HiltViewModel
class SoundViewModel #Inject constructor(
#ApplicationContext private val appContext: Context,
...
): ViewModel() {
private val _timeXState = MutableStateFlow(0)
var isRecordingState by mutableStateOf(false)
private set
private var myJob: Job?=null
init { beginSoundDensity() }
fun beginSoundDensity() {
if (isRecordingState == false) {
isRecordingState = true
myJob?.cancel()
...
}
}
}
The code just runs from top to bottom, so this code for example prints "12345"
fun main() {
A()
}
class A {
init {
print("1")
}
val s2 = printAndReturn("2")
init {
print("3")
}
val s4 = printAndReturn("4")
init {
print("5")
}
private fun printAndReturn(s: String): String {
print(s)
return s
}
}
I am using Mockk in my project. I am trying to mock my extension function but it cannot find my function. I tried some piece of code but it cannot find the extension function inside my test. Can someone guide me, How can I solve this issue. Thanks
ExploreConsultationsActivity.kt
class ExploreConsultationsActivity : AppCompactActvity () {
... // more function
internal fun setupExploreConsultationVisibility(hasFocus: Boolean) {
if (hasFocus) {
.....
} else if (viewModel.queryText.isEmpty()) {
binding.consultationViewSwitcher.displayConsultationViewSwitcherChild(0)
}
}
internal fun ViewSwitcher.displayConsultationViewSwitcherChild(childNumber: Int) {
visible()
displayedChild = childNumber
}
}
ExploreConsultationsActivityTest.kt
class ExploreConsultationsActivityTest {
#get:Rule
val testInstantTaskExecutorRule: TestRule = InstantTaskExecutorRule()
private val subject by lazy { spyk(ExploreConsultationsActivity()) }
#MockK private lateinit var mockConsultationViewSwitcher: ViewSwitcher
#Before
fun setUp() {
MockKAnnotations.init(this, relaxed = true)
setupMockView()
}
private fun setupMockView() {
mockkStatic(ExploreConsultationsLayoutBinding::class)
every { mockRootView.findViewById<ChipGroup>(R.id.exploreConsultationChips) } returns mockChipGroup
}
#Test
fun `setupExploreConsultationVisibility - `() {
// STUBBING
mockViewModel.queryText = ""
every { mockViewModel.topicSelected } returns ConsultationTopicsArea.ALL
with(mockConsultationViewSwitcher){
any<ViewSwitcher>().displayConsultationViewSwitcherChild(0)
}
// EXECUTION
subject.setupExploreConsultationVisibility(false)
// VERIFICATION
verify {
mockViewModel.filterBy(ConsultationTopicsArea.ALL)
}
}
I am getting this error
Given
typealias MyCallback = (s: String) -> Unit
object Hello {
fun main() {
blah { print(it) }
}
fun blah(cb: MyCallback) {
cb.invoke("hi")
}
}
Or
interface MyCallback {
fun invoke (s: String) {}
}
object Hello {
fun main() {
blah(object : MyCallback {
override fun invoke(s: String) {
print(s)
}
})
}
fun blah(cb: MyCallback) {
cb.invoke("hi")
}
}
With both I get the above error (Verification failed: call 1 of 1: MyCallback(#2).invoke(any())) was not called) when doing
#Test
fun testInvoke() {
val mock = mockk<Hello>(relaxed = true)
val cb = mockk<MyCallback>()
mock.blah(cb)
verify { cb.invoke(any()) }
}
how to fix it?
This worked for me. The Hello object doesn't need to be mocked since it is the class being tested. By mocking it, the test was only recording invocations of blah() rather than actually executing them.
Using spyk rather than mockk allows the MyCallback type to be constructed allowing the invoke() function to be defined. So maybe that's more of a workaround than an explanation of why mockk doesn't seem to retain that type info.
typealias MyCallback = (s: String) -> Unit
object Hello {
fun main() {
blah { print(it) }
}
fun blah(cb: MyCallback) {
cb.invoke("hi")
}
}
class MockKTest {
#Test
fun testInvoke() {
val mock = spyk<Hello>()
val cb = mockk<MyCallback>(relaxed = true)
mock.blah(cb) // or just do Hello.blah(cb)
verify { cb.invoke(any()) }
}
}
I'm writing Espresso UI test which mocks viewModel, referring GithubBrowserSample
what is the use of "TaskExecutorWithIdlingResourceRule", declaring Junit Rule will take care of IdlingResource?
Even after referring this "TaskExecutorWithIdlingResourceRule" class in my project whenever I build, compiler doesn't throw any error but when I run the test case it shows the Unresolved Error(s)
TaskExecutorWithIdlingResourceRule.kt
import androidx.arch.core.executor.testing.CountingTaskExecutorRule
import androidx.test.espresso.IdlingRegistry
import androidx.test.espresso.IdlingResource
import org.junit.runner.Description
import java.util.UUID
import java.util.concurrent.CopyOnWriteArrayList
import java.util.concurrent.TimeUnit
class TaskExecutorWithIdlingResourceRule : CountingTaskExecutorRule() {
// give it a unique id to workaround an espresso bug where you cannot register/unregister
// an idling resource w/ the same name.
private val id = UUID.randomUUID().toString()
private val idlingResource: IdlingResource = object : IdlingResource {
override fun getName(): String {
return "architecture components idling resource $id"
}
override fun isIdleNow(): Boolean {
return this#TaskExecutorWithIdlingResourceRule.isIdle
}
override fun registerIdleTransitionCallback(callback: IdlingResource.ResourceCallback) {
callbacks.add(callback)
}
}
private val callbacks = CopyOnWriteArrayList<IdlingResource.ResourceCallback>()
override fun starting(description: Description?) {
IdlingRegistry.getInstance().register(idlingResource)
super.starting(description)
}
override fun finished(description: Description?) {
drainTasks(10, TimeUnit.SECONDS)
callbacks.clear()
IdlingRegistry.getInstance().unregister(idlingResource)
super.finished(description)
}
override fun onIdle() {
super.onIdle()
for (callback in callbacks) {
callback.onTransitionToIdle()
}
}
}
Mocktest
#RunWith(AndroidJUnit4::class)
class MockTest {
#Rule
#JvmField
var activityRule = IntentsTestRule(SingleFragmentActivity::class.java, true, true)
#Rule
#JvmField
val executorRule = TaskExecutorWithIdlingResourceRule()
private lateinit var viewModel: SeriesFragmentViewModel
private val uiModelList = mutableListOf<SeriesBaseUIModel>()
private val seriesMutableLiveData = MutableLiveData<List<SeriesBaseUIModel>>()
private val seriesFragment = SeriesFragment()
#Before
fun init(){
viewModel = mock(SeriesFragmentViewModel::class.java)
`when`(viewModel.seriesLiveData).thenReturn(seriesMutableLiveData)
ViewModelUtil.createFor(viewModel)
activityRule.activity.setFragment(seriesFragment)
EspressoTestUtil.disableProgressBarAnimations(activityRule)
}
#Test
fun testLoading()
{
//Thread.sleep(3000)
uiModelList.add(ProgressUIModel())
seriesMutableLiveData.postValue(uiModelList.toList())
onView(withId(R.id.pod_series_recycler_view))
.check(selectedDescendantsMatch(withId(R.id.pod_adapter_series_header_title), isDisplayed()))
onView(withId(R.id.pod_series_recycler_view))
.check(selectedDescendantsMatch(withId(R.id.pod_adapter_series_header_title), withText(R.string.pod_series_header_title_text)))
onView(withId(R.id.pod_series_recycler_view))
.check(selectedDescendantsMatch(withId(R.id.pod_adapter_series_header_description), isDisplayed()))
onView(withId(R.id.pod_series_recycler_view))
.check(selectedDescendantsMatch(withId(R.id.pod_adapter_series_header_title), withText("Hello")))
Thread.sleep(5000)
}
}