kmmraj

package com.mycompany.flightstatuslistview.homeScreen;

import com.mycompany.flightstatuslistview.BuildConfig;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

kmmraj

private class HomeActivityOutputSpy implements HomeInteractorInput {

        boolean fetchHomeMetaDataIsCalled = false;
        HomeRequest homeRequestCopy;
        @Override
        public void fetchHomeMetaData(HomeRequest request) {
            fetchHomeMetaDataIsCalled = true;
            homeRequestCopy = request;
        }
    }

kmmraj

@Test
    public void onCreate_shouldCall_fetchHomeMetaData(){
        //Given
        HomeActivityOutputSpy homeActivityOutputSpy = new HomeActivityOutputSpy();
        HomeActivity homeActivity = Robolectric.setupActivity(HomeActivity.class);
        // It must have called the onCreate earlier,
        // we are injecting the mock and calling the fetchMetaData to test our condition
        homeActivity.output = homeActivityOutputSpy;

        //When

kmmraj

@Test
public void HomeActivity_ShouldNOT_be_Null(){
    //Given
    HomeActivity activity = Robolectric.setupActivity(HomeActivity.class);
    //When

    // Then
    Assert.assertNotNull(activity);
}

kmmraj

interface HomeInteractorInput {
    public void fetchHomeMetaData(HomeRequest request);
}

kmmraj

public class HomeActivity extends AppCompatActivity implements HomeActivityInput {
    protected HomeInteractorInput output;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        getSupportActionBar().hide();

        HomeConfigurator.INSTANCE.configure(this);

kmmraj

    @Test
    public void onCreate_Calls_fetchHomeMetaData_withCorrectData(){
        //Given
        HomeActivityOutputSpy homeActivityOutputSpy = new HomeActivityOutputSpy();
        HomeActivity homeActivity = Robolectric.setupActivity(HomeActivity.class);
        homeActivity.output = homeActivityOutputSpy;

        //When
        homeActivity.fetchMetaData();

kmmraj

interface HomeInteractorInput {
    public void fetchHomeMetaData(HomeRequest request);
}

public class HomeInteractor implements HomeInteractorInput{

    public HomePresenterInput output;

    public FlightWorkerInput flightWorkerInput;

kmmraj

  private class HomePresenterInputSpy implements HomePresenterInput {

        boolean presentHomeMetaDataIsCalled = false;
        HomeResponse homeResponseCopy;
        @Override
        public void presentHomeMetaData(HomeResponse response) {
            presentHomeMetaDataIsCalled = true;
            homeResponseCopy = response;
        }
    }

kmmraj

 private class FlightWorkerInputSpy implements FlightWorkerInput {

        boolean isgetFutureFlightsMethodCalled = false;
        boolean isgetPastFlightsMethodCalled = false;

        @Override
        public ArrayList<FlightModel> getFutureFlights() {
            isgetFutureFlightsMethodCalled = true;
            ArrayList<FlightModel> flightsList = getFlightModels();
            return flightsList;