vikasmain

     @DisplayName("test on click listener for movie item")
    @Test
    fun testOnclickListener() {
        MovieStateFlow.onClickStateFlow.value = "Spider man"
        moviePresenter.observeOnClickStateFlow()
        verify(view).openSingleItemView("Spider man")
    }

vikasmain

    @DisplayName("when movie list api failed then show error view")
    @Test
    fun testApiFailed() {
        moviePresenter.callMoviesApi()
        verify(view).showLoadingView()
        verify(view).showErrorView()
        verify(view).hideLoadingView()
    }

vikasmain

import com.app.coroutinesmvp.model.MovieModel
import com.app.coroutinesmvp.presenter.MoviePresenter
import com.nhaarman.mockitokotlin2.mock
import com.nhaarman.mockitokotlin2.verify
import com.nhaarman.mockitokotlin2.whenever
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.MainScope
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.plus

vikasmain

internal fun callMoviesApi() {
        movieModel.callMoviesApi()
            .onStart {
                movieView.showLoadingView()
            }
            .catch {
                movieView.showErrorView()
            }
            .onEach {
                movieView.showMoviesList(it)

vikasmain

import com.app.coroutinesmvp.data.MovieListResponse
import retrofit2.http.GET
import retrofit2.http.Query

interface MovieApi {
    @GET("/3/discover/movie")
    suspend fun getMoviesList(@Query("api_key") apiKey: String): MovieListResponse
}

vikasmain

import com.app.coroutinesmvp.api.MovieApi
import com.app.coroutinesmvp.model.MovieModel
import com.nhaarman.mockitokotlin2.mock
import com.nhaarman.mockitokotlin2.whenever
import kotlin.test.assertEquals
import kotlin.test.assertNull
import kotlinx.coroutines.flow.catch
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.runBlocking

vikasmain

@MovieActivityScope
class MovieModel @Inject constructor(
    private val movieApi: MovieApi
) {
    fun callMoviesApi(): Flow<MovieListResponse> {
        return flow {
            val carbonOffsetResponse = movieApi.getMoviesList("a427cfb730b4a73e67c646d8b44dd216")
            emit(carbonOffsetResponse)
        }.flowOn(Dispatchers.IO)
    }

vikasmain

@MovieActivityScope
class MoviePresenter @Inject constructor(
    private val movieView: MovieContract.MovieView,
    private val scope: CoroutineScope,
    private val movieModel: MovieModel
) {
    fun onAttach() {
        callMoviesApi()
        observeOnClickStateFlow()

vikasmain

@Subcomponent(modules = [MovieActivityModule::class])
@MovieActivityScope
interface MovieComponent {
    fun inject(movieActivity: MovieActivity)

    @Subcomponent.Builder
    interface Builder {
        @BindsInstance
        fun activity(appCompatActivity: AppCompatActivity): Builder

vikasmain

@Subcomponent(modules = [MovieActivityModule::class])
@MovieActivityScope
interface MovieComponent {
    fun inject(movieActivity: MovieActivity)

    @Subcomponent.Builder
    interface Builder {
        @BindsInstance
        fun activity(appCompatActivity: AppCompatActivity): Builder