Im trying to make an integration test in my viewmodel, which a livedata has multiple value in it. At the beginning of a function, this livedata will have a value of Loading, and after the network call is finished, it will have a value of success or failure. But on my unit test, even if i delay it for 100 second, the value is still Loading and not replaced by the network call. Here is my livedata and function :
private val _loginInfo: MutableLiveData<NetworkResponse<LoginResponse>> = MutableLiveData()
val loginInfo: LiveData<NetworkResponse<LoginResponse>> get() = _loginInfo
fun signInWithEmailAndPassword(email: String, password: String) {
_loginInfo.value = NetworkResponse.Loading
viewModelScope.launch(Dispatchers.IO) {
_loginInfo.postValue(
repository.signInWithEmailAndPassword(
email = email,
password = password
)
)
}
}
and here is my unit test on the live data :
@Test
fun `Failed login because wrong Email or Password`() = runTest {
val expectedResult = NetworkResponse.GenericException(code = 401, cause = "Unauthorized")
loginViewModel.signInWithEmailAndPassword(
email = "myEmail@gmail.com",
password = "myPassword"
)
val observer = Observer<NetworkResponse<LoginResponse>> {}
loginViewModel.loginInfo.observeForever(observer)
Assert.assertEquals(NetworkResponse.Loading, loginViewModel.loginInfo.value)
delay(100000L)
Assert.assertEquals(expectedResult, loginViewModel.loginInfo.value)
loginViewModel.loginInfo.removeObserver(observer)
}
The function on repository works fine, i already tested it on repository integration test. But the value of my livedata won't change. What is the problem on here? I also already setup the rule :
@get:Rule
val rule = InstantTaskExecutorRule()
