UITest

package com.amgdeveloper.cookingapp

import android.Manifest
import android.app.Application
import android.content.Intent
import android.os.SystemClock
import androidx.recyclerview.widget.RecyclerView
import androidx.test.espresso.Espresso
import androidx.test.espresso.IdlingRegistry
import androidx.test.espresso.action.ViewActions
import androidx.test.espresso.contrib.RecyclerViewActions
import androidx.test.espresso.matcher.ViewMatchers
import androidx.test.platform.app.InstrumentationRegistry
import androidx.test.rule.ActivityTestRule
import androidx.test.rule.GrantPermissionRule
import com.amgdeveloper.cookingapp.ui.main.MainActivity
import com.jakewharton.espresso.OkHttp3IdlingResource
import okhttp3.mockwebserver.MockResponse
import okhttp3.mockwebserver.MockWebServer
import org.junit.After
import org.junit.Before
import org.junit.Rule
import org.junit.Test

/**
 * Created by amgdeveloper on 17/02/2021
 */
class UITest {


    @get:Rule
    val activityTestRule = ActivityTestRule(MainActivity::class.java, false, false)

    @get:Rule
    val grantPermissionRule: GrantPermissionRule = GrantPermissionRule.grant(
        Manifest.permission.ACCESS_COARSE_LOCATION
    )

    private lateinit var mockWebServer: MockWebServer
    private lateinit var resource: OkHttp3IdlingResource

    @Before
    fun setUp() {
        val instrumentation = InstrumentationRegistry.getInstrumentation()
        val app = instrumentation.targetContext.applicationContext as Application
        val component = DaggerUITestComponent.factory().create(app)

        mockWebServer = component.mockWebServer

        resource = OkHttp3IdlingResource.create("OkHttp", component.spoonacular.okHttpClient)
        IdlingRegistry.getInstance().register(resource)

        val intent = Intent(instrumentation.targetContext, MainActivity::class.java)

        activityTestRule.launchActivity(intent)
    }

    @Test
    fun clickARecipeNavigatesToDetail() {
        mockWebServer.enqueue(
            MockResponse()
                .setResponseCode(200)
                .setBody(recipes)
        )

        SystemClock.sleep(1000)

        Espresso.onView(ViewMatchers.withId(R.id.recipeListFragmentRv)).perform(
            RecyclerViewActions.actionOnItemAtPosition<RecyclerView.ViewHolder>(
                4, ViewActions.click()
            )
        )
        mockWebServer.enqueue(
            MockResponse()
                .setResponseCode(200)
                .setBody(recipeSummary)
        )
    }

    @After
    fun tearDown() {
        mockWebServer.close()
        mockWebServer.shutdown()
        IdlingRegistry.getInstance().unregister(resource)
    }
}