我是 viewmodel 中的一个简单函数 getCreditReport,我试图在其中进行 API 调用存储库层
我想在 viewmodel 中测试 getCreditReport 以检查是否调用了 thge 存储库,但出现以下错误
org.mockito.exceptions.base.MockitoException:
Cannot mock/spy class com.example.clearscore.data.DataRepository
Mockito cannot mock/spy because :
- final class
我尝试过的
主活动视图模型
class MainActivityViewModel @Inject constructor(
//private val retroServiceInterface: RetroServiceInterface,
private val dataRepository: DataRepository
) : ViewModel() {
var creditReportLiveData: MutableLiveData<CreditReport>
init {
creditReportLiveData = MutableLiveData()
}
fun getCreditReportObserver(): MutableLiveData<CreditReport> {
return creditReportLiveData
}
fun getCreditReport() {
viewModelScope.launch(Dispatchers.IO) {
try {
val response = dataRepository.getCreditReport()
creditReportLiveData.postValue(response)
Log.d("data", response.toString())
} catch (e: IOException) {
Log.d("data", e.toString())
}
}
}
}
数据存储库
class DataRepository @Inject constructor(
private val retroServiceInterface: RetroServiceInterface
) {
suspend fun getCreditReport(): CreditReport {
return retroServiceInterface.getDataFromApi()
}
}
单元测试
@RunWith(MockitoJUnitRunner::class)
class MainActivityViewModelTest {
@Mock
private lateinit var dataRepository: DataRepository
@Mock
private lateinit var mainActivityViewModel: MainActivityViewModel
@Test
fun getCreditReport() {
runBlocking {
mainActivityViewModel.getCreditReport()
verify(dataRepository).getCreditReport()
}
}
}
依赖注入组件 - 如果这有帮助的话
@Singleton
@Component(modules = [RetroModule::class])
interface RetroComponent {
fun inject(mainActivityViewModel: MainActivityViewModel)
fun getMainactivityViewModel(): MainActivityViewModel
}
请建议我做错了什么
Thanks
R