WebviewTest.kt

package chat.rocket.android.authentication.ui


import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import android.widget.Toast
import androidx.recyclerview.widget.RecyclerView
import androidx.test.espresso.Espresso.onData
import androidx.test.espresso.Espresso.onView
import androidx.test.espresso.action.ViewActions.*
import androidx.test.espresso.assertion.ViewAssertions.matches
import androidx.test.espresso.contrib.RecyclerViewActions
import androidx.test.espresso.matcher.BoundedMatcher
import androidx.test.espresso.matcher.ViewMatchers.*
import androidx.test.filters.LargeTest
import androidx.test.rule.ActivityTestRule
import androidx.test.runner.AndroidJUnit4
import chat.rocket.android.R
import chat.rocket.android.authentication.ui.CustomMatchers.Companion.withItemName
import chat.rocket.android.authentication.ui.CustomMatchers.Companion.withWebView
import chat.rocket.android.chatroom.adapter.AttachmentViewHolder
import chat.rocket.android.chatrooms.adapter.RoomViewHolder
import org.hamcrest.Description
import org.hamcrest.Matcher
import org.hamcrest.Matchers.*
import org.hamcrest.TypeSafeMatcher
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith

@LargeTest
@RunWith(AndroidJUnit4::class)
class login_test {

    @Rule
    @JvmField
    var mActivityTestRule = ActivityTestRule(AuthenticationActivity::class.java)

    @Test
    fun login_test() {
        val relativeLayout = onView(
                allOf(withId(R.id.connect_with_a_server_container),
                        childAtPosition(
                                childAtPosition(
                                        withClassName(`is`("android.widget.ScrollView")),
                                        0),
                                3)))
        relativeLayout.perform(scrollTo(), click())

        val appCompatSpinner = onView(
                allOf(withId(R.id.spinner_server_protocol),
                        childAtPosition(
                                allOf(withId(R.id.server_url_container),
                                        childAtPosition(
                                                withClassName(`is`("androidx.constraintlayout.widget.ConstraintLayout")),
                                                2)),
                                0)))
        appCompatSpinner.perform(scrollTo(), click())

        val appCompatTextView = onData(anything())
                .atPosition(1)
        appCompatTextView.perform(click())

        val appCompatEditText = onView(
                allOf(withId(R.id.text_server_url),
                        childAtPosition(
                                allOf(withId(R.id.server_url_container),
                                        childAtPosition(
                                                withClassName(`is`("androidx.constraintlayout.widget.ConstraintLayout")),
                                                2)),
                                1)))
        appCompatEditText.perform(scrollTo(), replaceText("35.200.186.0"), closeSoftKeyboard())

        val button = onView(
                withId(R.id.button_connect))
        button.perform(click())

        Thread.sleep(6000)
        val button2 = onView(withId(R.id.button_login_with_email))
        button2.perform(click())

        val appCompatEditText2 = onView(
                allOf(withId(R.id.text_username_or_email),
                        childAtPosition(
                                allOf(withId(R.id.constraint_layout),
                                        childAtPosition(
                                                withId(R.id.fragment_container),
                                                0)),
                                1),
                        isDisplayed()))
        appCompatEditText2.perform(replaceText("sainathreddy.k16@iiits.in"), closeSoftKeyboard())

        val appCompatEditText3 = onView(
                allOf(withId(R.id.text_password),
                        childAtPosition(
                                allOf(withId(R.id.constraint_layout),
                                        childAtPosition(
                                                withId(R.id.fragment_container),
                                                0)),
                                2),
                        isDisplayed()))
        appCompatEditText3.perform(replaceText("upendra2"), closeSoftKeyboard())

        val button3 = onView(
                allOf(withId(R.id.button_log_in), withText("Login"),
                        childAtPosition(
                                allOf(withId(R.id.constraint_layout),
                                        childAtPosition(
                                                withId(R.id.fragment_container),
                                                0)),
                                3),
                        isDisplayed()))
        button3.perform(click())

        Thread.sleep(10000)
        onView(withId(R.id.recycler_view)).check(matches(withItemName("general")))
        onView(withId(R.id.recycler_view))
                .perform(RecyclerViewActions.actionOnItem<RoomViewHolder>(hasDescendant(withText("general")), click()))
        onView(withId(R.id.text_message)).perform(replaceText("@jsbot button with full webview"), closeSoftKeyboard())
        onView(withId(R.id.button_send)).perform(click())
        Thread.sleep(15000)
        onView(withId(R.id.recycler_view)).check(matches(withWebView("Full webview")))


    }

    private fun childAtPosition(
            parentMatcher: Matcher<View>, position: Int): Matcher<View> {

        return object : TypeSafeMatcher<View>() {
            override fun describeTo(description: Description) {
                description.appendText("Child at position $position in parent ")
                parentMatcher.describeTo(description)
            }

            public override fun matchesSafely(view: View): Boolean {
                val parent = view.parent
                return parent is ViewGroup && parentMatcher.matches(parent)
                        && view == parent.getChildAt(position)
            }
        }
    }
}

class CustomMatchers {
    companion object {
        fun withItemName(Roomname: String): Matcher<View> {
            return object : BoundedMatcher<View, RecyclerView>(RecyclerView::class.java) {

                override fun describeTo(description: Description?) {
                    description?.appendText("RecyclerView with Room name: $Roomname")
                }

                override fun matchesSafely(item: RecyclerView?): Boolean {
                    val adapter = item?.adapter
                    if (adapter != null) {
                        for(position in 0 until adapter.itemCount){
                           val itemType = adapter.getItemViewType(position)
                            val viewHolder = adapter.createViewHolder(item, itemType)
                            adapter.bindViewHolder(viewHolder, position)

                            val view = viewHolder.itemView
                            val name = view.findViewById<TextView>(R.id.text_chat_name)
                            if(name.text == Roomname){
                                return true
                            }
                        }
                    }
                    return false

                }
            }
        }


        fun withWebView(webview: String): Matcher<View> {
            return object : BoundedMatcher<View, RecyclerView>(RecyclerView::class.java) {

                override fun describeTo(description: Description?) {
                    description?.appendText("RecyclerView with webview: $webview")
                }

                override fun matchesSafely(item: RecyclerView?): Boolean {
                    val adapter = item?.adapter
                    if (adapter != null) {
                            val itemType = adapter.getItemViewType(adapter.itemCount - 1)
                            val viewHolder = adapter.createViewHolder(item, itemType)
                            adapter.bindViewHolder(viewHolder, adapter.itemCount -1)
                    }
                    return false

                }
            }
        }

    }
}