Estonian-ID-card-mobile-authenticator-POC/MobileAuthApp/app/src/androidTest/java/com/tarkvaraprojekt/mobileauthapp/UC4Test.kt

package com.tarkvaraprojekt.mobileauthapp

import androidx.fragment.app.testing.launchFragmentInContainer
import androidx.test.espresso.Espresso.onView
import androidx.test.espresso.IdlingPolicies
import androidx.test.espresso.NoMatchingViewException
import androidx.test.espresso.action.ViewActions.*
import androidx.test.espresso.assertion.ViewAssertions.matches
import androidx.test.espresso.matcher.RootMatchers.*
import androidx.test.espresso.matcher.ViewMatchers.*
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.rule.ActivityTestRule
import org.hamcrest.CoreMatchers.`is`
import org.hamcrest.CoreMatchers.not

import org.junit.*
import org.junit.runner.RunWith
import java.util.concurrent.TimeUnit

@RunWith(AndroidJUnit4::class)
class UC4Test {
    @get:Rule
    var activityActivityTestRule: ActivityTestRule<MainActivity> = ActivityTestRule(
        MainActivity::class.java
    )

    @Before
    fun setUp() {
        IdlingPolicies.setMasterPolicyTimeout(3, TimeUnit.SECONDS)
        IdlingPolicies.setIdlingResourceTimeout(3, TimeUnit.SECONDS)
        activityActivityTestRule.activity
            .supportFragmentManager.beginTransaction()
    }

    @After
    fun tearDown() {
    }

    fun navigateToCANView() {
        onView(withId(R.id.menu_settings_option)).perform(click())
        try {
            // Delete existing CAN
            onView(withText(R.string.can_delete)).perform(click())
        } catch (ignore: NoMatchingViewException) {}

        onView(withId(R.id.can_menu_action)).perform(click())
    }

    @Test
    fun validCAN() {
        navigateToCANView()
        onView(supportsInputMethods()).perform(typeText("123456"))
        onView(withId(R.id.next_button)).perform(click())

        onView(withText(R.string.can_status_saved)).inRoot(
            withDecorView(not(`is`(activityActivityTestRule.activity.getWindow().getDecorView())))
        ).check(matches(isDisplayed()))
    }

    @Test
    fun invalidCAN() {
        navigateToCANView()
        onView(supportsInputMethods()).perform(typeText("12345"))
        onView(withId(R.id.next_button)).perform(click())

        onView(withText(R.string.length_can)).inRoot(
            withDecorView(not(`is`(activityActivityTestRule.activity.getWindow().getDecorView())))
        ).check(matches(isDisplayed()))
        onView(withId(R.id.next_button)).check(matches(isDisplayed()))
    }
}