Garyfimo

class MainActivity : AppCompatActivity(), ServiceLocatorActivity {

    override val self: Activity = this

    private val mainViewModelFactory: MainViewModelFactory by lazy {
        serviceLocator.mainViewModelFactory
    }

    private val viewModel: MainViewModel by viewModels {
        mainViewModelFactory

Garyfimo

    @Test
    fun verificarClicBotonCero() {
        val valorEsperado = Numeros.CERO.valor
        btnCero.perform(ViewActions.click())
        tvVisualizadorOperacion.check(ViewAssertions.matches(ViewMatchers.withText(valorEsperado)))
    }

Garyfimo

internal class MainActivityTest{

    @get:Rule
    var activityTestRule = ActivityTestRule(MainActivity::class.java)


    // Numeros
    private val btnCero = onView(ViewMatchers.withId((R.id.btnCero)))
    private val btnUno = onView(ViewMatchers.withId((R.id.btnUno)))
    private val btnDos = onView(ViewMatchers.withId((R.id.btnDos)))

Garyfimo

internal class MainActivityTest{

    @get:Rule
    var activityTestRule = ActivityTestRule(MainActivity::class.java)


    // Numeros
    private val btnCero = onView(ViewMatchers.withId((R.id.btnCero)))
    private val btnUno = onView(ViewMatchers.withId((R.id.btnUno)))
    private val btnDos = onView(ViewMatchers.withId((R.id.btnDos)))

Garyfimo

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".ui.MainActivity">

    <TextView
        android:id="@+id/tvVisualizadorOperacion"

Garyfimo

import androidx.test.espresso.Espresso.onView
import androidx.test.espresso.matcher.ViewMatchers
import androidx.test.rule.ActivityTestRule
import org.junit.Rule
import org.junit.jupiter.api.Assertions.*
import org.junit.rules.TestName

internal class MainActivityTest{

    @get:Rule

Garyfimo

import androidx.test.rule.ActivityTestRule
import org.junit.Rule
import org.junit.jupiter.api.Assertions.*
import org.junit.rules.TestName

internal class MainActivityTest{

    @get:Rule
    var activityTestRule = ActivityTestRule(MainActivity::class.java)

Garyfimo

class MainActivity : AppCompatActivity(), ServiceLocatorActivity {

    override val self: Activity = this

    private val mainViewModelFactory: MainViewModelFactory by lazy {
        serviceLocator.mainViewModelFactory
    }

    private val viewModel: MainViewModel by viewModels {
        mainViewModelFactory

Garyfimo

class AppServiceLocator : ServiceLocator {
    private val calculadorUseCase: CalculadorUseCase by lazy {
        CalculadorUseCaseImpl()
    }
    private val evaluadorUseCase: EvaluadorUseCase by lazy {
        EvaluadorUseCaseImpl(validadorUseCase, evaluadorExpresionUseCase)
    }
    private val evaluadorExpresionUseCase: EvaluadorExpresionUseCase by lazy {
        EvaluadorExpresionUseCaseImpl(calculadorUseCase)
    }

Garyfimo

class MainActivity : AppCompatActivity() {

    private val mainViewModelFactory: MainViewModelFactory by lazy {
        MainViewModelFactory(DEPENDENCIA_DE_EVALUADOR_USECASE)
    }

    private val viewModel: MainViewModel by viewModels {
        mainViewModelFactory
    }