MainActivityTest.kt
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package com.example.quickmax
import android.view.View
import androidx.test.espresso.Espresso.onView
import androidx.test.rule.ActivityTestRule
import org.junit.Rule
import org.junit.Test
import android.widget.TextView
import androidx.test.espresso.ViewAction
import androidx.test.espresso.UiController
import androidx.test.espresso.action.ViewActions.click
import androidx.test.espresso.assertion.ViewAssertions.matches
import androidx.test.espresso.matcher.ViewMatchers.*
import junit.framework.Assert.assertNotNull
import junit.framework.Assert.assertTrue
import org.hamcrest.Matcher
import org.junit.Before
class MainActivityTest {
@get:Rule
val testRule = ActivityTestRule<MainActivity>(MainActivity::class.java, true, true)
private lateinit var answers: Map<Int, Int>
@Before
fun init() {
answers = mapOf(
getText(withId(R.id.btn_left_top)).toInt() to R.id.btn_left_top,
getText(withId(R.id.btn_right_top)).toInt() to R.id.btn_right_top,
getText(withId(R.id.btn_left_bottom)).toInt() to R.id.btn_left_bottom,
getText(withId(R.id.btn_right_bottom)).toInt() to R.id.btn_right_bottom
)
}
@Test
fun correct_answer_marked_as_correct() {
val correctAnswerId = getCorrectAnswerId()
onView(withId(correctAnswerId)).perform(click())
onView(withId(R.id.tv_response))
.check(matches(withText(testRule.activity.resources.getString(R.string.response_correct))))
}
@Test
fun wrong_answer_marked_as_wrong() {
val wrongAnswerId = getWrongAnswerId()
onView(withId(wrongAnswerId)).perform(click())
onView(withId(R.id.tv_response))
.check(matches(withText(testRule.activity.resources.getString(R.string.response_wrong))))
}
@Test
fun only_fist_answer_accepted() {
onView(withId(R.id.btn_right_bottom)).perform(click())
assertTrue(testRule.activity.supportFragmentManager.fragments.size == 1)
onView(withId(R.id.btn_left_bottom)).perform(click())
assertTrue(testRule.activity.supportFragmentManager.fragments.size == 1)
}
@Test
fun time_decreases() {
val time1 = getText(withId(R.id.tv_time_left)).toInt()
Thread.sleep(1000)
val time2 = getText(withId(R.id.tv_time_left)).toInt()
assertTrue(time2 < time1)
}
@Test
fun fragment_when_time_is_over() {
Thread.sleep(4000)
assertNotNull(testRule.activity.supportFragmentManager.fragments.find {
f -> f is TimeIsOverFragment })
}
private fun getCorrectAnswerId(): Int {
val correctAnswer = findSecondMax(answers.keys)
return answers.getValue(correctAnswer)
}
private fun getWrongAnswerId(): Int {
val correctAnswer = findSecondMax(answers.keys)
for (answer in answers)
if (answer.key != correctAnswer)
return answer.value
return answers.getValue(-1)
}
private fun getText(matcher: Matcher<View>): String {
var text = ""
onView(matcher).perform(object : ViewAction {
override fun getConstraints(): Matcher<View> {
return isAssignableFrom(TextView::class.java)
}
override fun getDescription(): String { return "" }
override fun perform(uiController: UiController, view: View) {
val tv = view as TextView
text = tv.text.toString()
}
})
return text
}
}