Added Test for Quiz Classes

app/src/main/java/fr/free/nrw/commons/quiz/QuizController.java

@@ -21,38 +21,38 @@ public class QuizController {
 
     public void initialize(Context context){
         QuizQuestion q1 = new QuizQuestion(1,
-                context.getResources().getString(R.string.quiz_question_string),
+                context.getString(R.string.quiz_question_string),
                 URL_FOR_SELFIE,
                 false,
-                context.getResources().getString(R.string.selfie_answer));
+                context.getString(R.string.selfie_answer));
         quiz.add(q1);
 
         QuizQuestion q2 = new QuizQuestion(2,
-                context.getResources().getString(R.string.quiz_question_string),
+                context.getString(R.string.quiz_question_string),
                 URL_FOR_TAJ_MAHAL,
                 true,
-                context.getResources().getString(R.string.taj_mahal_answer));
+                context.getString(R.string.taj_mahal_answer));
         quiz.add(q2);
 
         QuizQuestion q3 = new QuizQuestion(3,
-                context.getResources().getString(R.string.quiz_question_string),
+                context.getString(R.string.quiz_question_string),
                 URL_FOR_BLURRY_IMAGE,
                 false,
-                context.getResources().getString(R.string.blurry_image_answer));
+                context.getString(R.string.blurry_image_answer));
         quiz.add(q3);
 
         QuizQuestion q4 = new QuizQuestion(4,
-                context.getResources().getString(R.string.quiz_screenshot_question),
+                context.getString(R.string.quiz_screenshot_question),
                 URL_FOR_SCREENSHOT,
                 false,
-                context.getResources().getString(R.string.screenshot_answer));
+                context.getString(R.string.screenshot_answer));
         quiz.add(q4);
 
         QuizQuestion q5 = new QuizQuestion(5,
-                context.getResources().getString(R.string.quiz_question_string),
+                context.getString(R.string.quiz_question_string),
                 URL_FOR_EVENT,
                 true,
-                context.getResources().getString(R.string.construction_event_answer));
+                context.getString(R.string.construction_event_answer));
         quiz.add(q5);
 
     }

app/src/test/kotlin/fr/free/nrw/commons/quiz/QuizActivityUnitTest.kt

@@ -0,0 +1,103 @@
+package fr.free.nrw.commons.quiz
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.widget.RadioButton
+import fr.free.nrw.commons.R
+import fr.free.nrw.commons.TestCommonsApplication
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito
+import org.mockito.MockitoAnnotations
+import org.powermock.api.mockito.PowerMockito.mock
+import org.powermock.reflect.Whitebox
+import org.robolectric.Robolectric
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import org.robolectric.annotation.LooperMode
+
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [21], application = TestCommonsApplication::class)
+@LooperMode(LooperMode.Mode.PAUSED)
+class QuizActivityUnitTest {
+
+    private lateinit var activity: QuizActivity
+    private lateinit var positiveAnswer: RadioButton
+    private lateinit var negativeAnswer: RadioButton
+    private lateinit var view: View
+
+    private val SAMPLE_ALERT_TITLE_VALUE = "Title"
+    private val SAMPLE_ALERT_MESSAGE_VALUE = "Message"
+
+    @Mock
+    private lateinit var quizController: QuizController
+
+    @Mock
+    private lateinit var context: Context
+
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        activity = Robolectric.buildActivity(QuizActivity::class.java).get()
+
+        context = mock(Context::class.java)
+
+        view = LayoutInflater.from(activity)
+            .inflate(R.layout.answer_layout, null) as View
+
+        Mockito.`when`(context.getString(Mockito.any(Int::class.java)))
+            .thenReturn("")
+        quizController = QuizController()
+
+        quizController.initialize(context)
+
+        positiveAnswer = view.findViewById(R.id.quiz_positive_answer)
+        negativeAnswer = view.findViewById(R.id.quiz_negative_answer)
+
+        activity.positiveAnswer = positiveAnswer
+        activity.negativeAnswer = negativeAnswer
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun checkActivityNotNull() {
+        Assert.assertNotNull(activity)
+        Assert.assertNotNull(positiveAnswer)
+        Assert.assertNotNull(negativeAnswer)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testSetNextQuestion() {
+        activity.setNextQuestion()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnBackPressed() {
+        activity.onBackPressed()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testEvaluateScore() {
+
+        Whitebox.setInternalState(activity, "quiz", quizController.getQuiz())
+        Whitebox.setInternalState(activity, "questionIndex", 0)
+
+        activity.evaluateScore()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testCustomAlert() {
+        activity.customAlert(SAMPLE_ALERT_TITLE_VALUE, SAMPLE_ALERT_MESSAGE_VALUE)
+    }
+
+}

app/src/test/kotlin/fr/free/nrw/commons/quiz/QuizControllerTest.kt

@@ -0,0 +1,39 @@
+package fr.free.nrw.commons.quiz
+
+import android.content.Context
+import org.junit.Assert.assertNotNull
+import org.junit.Before
+import org.junit.Test
+import org.mockito.Mock
+import org.mockito.Mockito.`when`
+import org.mockito.Mockito.any
+import org.mockito.MockitoAnnotations
+
+
+class QuizControllerTest {
+
+    @Mock
+    private lateinit var quizController: QuizController
+
+    @Mock
+    private lateinit var context: Context
+
+    @Before
+    fun setup() {
+        MockitoAnnotations.initMocks(this)
+        `when`(context.getString(any(Int::class.java)))
+            .thenReturn("")
+        quizController = QuizController()
+    }
+
+    @Test
+    fun testInitialise() {
+        quizController.initialize(context)
+    }
+
+    @Test
+    fun testGetQuiz() {
+        assertNotNull(quizController.getQuiz())
+    }
+
+}

app/src/test/kotlin/fr/free/nrw/commons/quiz/QuizQuestionTest.kt

@@ -0,0 +1,51 @@
+package fr.free.nrw.commons.quiz
+
+import android.net.Uri
+import fr.free.nrw.commons.TestCommonsApplication
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [21], application = TestCommonsApplication::class)
+class QuizQuestionTest {
+
+    @Mock
+    private lateinit var quizQuestion: QuizQuestion
+
+    private val QUESTION_NUM_SAMPLE_VALUE = 1
+    private val QUESTION_SAMPLE_VALUE = "Is this picture OK to upload?"
+    private val QUESTION_URL_SAMPLE_VALUE_ONE = "https://i.imgur.com/0fMYcpM.jpg"
+    private val QUESTION_URL_SAMPLE_VALUE_TWO = "https://example.com"
+    private val IS_ANSWER_SAMPLE_VALUE = false
+    private val ANSWER_MESSAGE_SAMPLE_VALUE = "Continue"
+
+    @Before
+    fun setup() {
+        MockitoAnnotations.initMocks(this)
+        quizQuestion = QuizQuestion(
+            QUESTION_NUM_SAMPLE_VALUE,
+            QUESTION_SAMPLE_VALUE,
+            QUESTION_URL_SAMPLE_VALUE_ONE,
+            IS_ANSWER_SAMPLE_VALUE,
+            ANSWER_MESSAGE_SAMPLE_VALUE
+        )
+    }
+
+    @Test
+    fun testGetUrl() {
+        assertEquals(quizQuestion.getUrl(), Uri.parse(QUESTION_URL_SAMPLE_VALUE_ONE))
+    }
+
+    @Test
+    fun testSetUrl() {
+        quizQuestion.setUrl(QUESTION_URL_SAMPLE_VALUE_TWO)
+        assertEquals(quizQuestion.getUrl(), Uri.parse(QUESTION_URL_SAMPLE_VALUE_TWO))
+    }
+
+}