UI Test Sample

uiTestSample.kt

package com.example.borrador2

import androidx.recyclerview.widget.RecyclerView
import androidx.test.espresso.Espresso.onView
import androidx.test.espresso.assertion.ViewAssertions
import androidx.test.espresso.contrib.RecyclerViewActions
import androidx.test.espresso.matcher.ViewMatchers
import androidx.test.espresso.matcher.ViewMatchers.withId
import androidx.test.rule.ActivityTestRule
import org.junit.Rule
import org.junit.Test

class ETest {

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

    @Test
    fun wasItemLoaded(){
        Thread.sleep(1000)
        onView(withId(R.id.rvPosts))
            .perform(RecyclerViewActions.scrollToPosition<RecyclerView.ViewHolder>(2))
        onView(ViewMatchers.withText("qui est esse"))
            .check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
    }
}