MainActivityTest.kt

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)))
    private val btnTres = onView(ViewMatchers.withId((R.id.btnTres)))
    private val btnCuatro = onView(ViewMatchers.withId((R.id.btnCuatro)))
    private val btnCinco = onView(ViewMatchers.withId((R.id.btnCinco)))
    private val btnSeis = onView(ViewMatchers.withId((R.id.btnSeis)))
    private val btnSiete = onView(ViewMatchers.withId((R.id.btnSiete)))
    private val btnOcho = onView(ViewMatchers.withId((R.id.btnOcho)))
    private val btnNueve = onView(ViewMatchers.withId((R.id.btnNueve)))

    // Operadores
    private val btnPunto = onView(ViewMatchers.withId((R.id.btnPunto)))
    private val btnIgual = onView(ViewMatchers.withId((R.id.btnIgual)))
    private val btnResta = onView(ViewMatchers.withId((R.id.btnResta)))
    private val btnSuma = onView(ViewMatchers.withId((R.id.btnSuma)))
    private val btnMultiplicacion = onView(ViewMatchers.withId((R.id.btnMultiplicacion)))
    private val btnDivision = onView(ViewMatchers.withId((R.id.btnDivision)))

    // Utilitarios
    private val btnBorrar = onView(ViewMatchers.withId((R.id.btnBorrar)))
    private val btnLimpiar = onView(ViewMatchers.withId((R.id.btnLimpiar)))

    // Visualizador
    private val tvVisualizadorOperacion = onView(ViewMatchers.withId((R.id.tvVisualizadorOperacion)))
    private val tvVisualizadorResultado = onView(ViewMatchers.withId((R.id.tvVisualizadorResultado)))

    @Test
    fun verficiarQueLosNumerosSeVean() {
        btnCero.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnUno.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnDos.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnTres.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnCuatro.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnCinco.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnSeis.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnSiete.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnOcho.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnNueve.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
    }

    @Test
    fun verficiarQueLosOperadoresSeVean() {
        btnResta.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnSuma.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnMultiplicacion.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnDivision.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
    }

    @Test
    fun verficiarQueLosUtilitariosSeVean() {
        btnPunto.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnIgual.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnBorrar.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        btnLimpiar.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
    }

    @Test
    fun verficiarQueLosVisualizadoresSeVean() {
        tvVisualizadorOperacion.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
        tvVisualizadorResultado.check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
    }
}