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MihaiCristianCondreaMihaiCristianCondrea
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Add repository tests for data layer
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‎app/src/test/java/com/d4rk/androidtutorials/java/data/repository/AboutRepositoryTest.java‎

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package com.d4rk.androidtutorials.java.data.repository;
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import static org.junit.Assert.assertEquals;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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import android.content.Context;
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import com.d4rk.androidtutorials.java.BuildConfig;
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import com.d4rk.androidtutorials.java.R;
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import com.d4rk.androidtutorials.java.ui.screens.about.repository.AboutRepository;
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import org.junit.Test;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Locale;
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public class AboutRepositoryTest {
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@Test
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public void getVersionString_formatsFromContextTemplate() {
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Context context = org.mockito.Mockito.mock(Context.class);
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when(context.getApplicationContext()).thenReturn(context);
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when(context.getString(R.string.app_version)).thenReturn("v%s (%d)");
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AboutRepository repository = new AboutRepository(context);
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String expected = String.format("v%s (%d)", BuildConfig.VERSION_NAME, BuildConfig.VERSION_CODE);
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assertEquals(expected, repository.getVersionString());
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verify(context).getString(R.string.app_version);
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}
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@Test
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public void getCurrentYear_returnsFormattedYear() {
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Context context = org.mockito.Mockito.mock(Context.class);
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when(context.getApplicationContext()).thenReturn(context);
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AboutRepository repository = new AboutRepository(context);
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String expected = new SimpleDateFormat("yyyy", Locale.getDefault())
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.format(Calendar.getInstance().getTime());
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assertEquals(expected, repository.getCurrentYear());
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}
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}

‎app/src/test/java/com/d4rk/androidtutorials/java/data/repository/HelpRepositoryTest.java‎

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package com.d4rk.androidtutorials.java.data.repository;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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import android.app.Activity;
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import android.content.Context;
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import com.d4rk.androidtutorials.java.ui.screens.help.repository.HelpRepository;
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import com.google.android.play.core.review.ReviewInfo;
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import com.google.android.play.core.review.ReviewManager;
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import com.google.android.play.core.review.ReviewManagerFactory;
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import com.google.android.gms.tasks.OnFailureListener;
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import com.google.android.gms.tasks.OnSuccessListener;
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import com.google.android.gms.tasks.Task;
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import org.junit.Test;
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import org.mockito.MockedStatic;
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import org.mockito.Mockito;
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public class HelpRepositoryTest {
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@SuppressWarnings("unchecked")
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@Test
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public void requestReviewFlow_notifiesSuccessListener() {
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Context context = mock(Context.class);
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ReviewManager reviewManager = mock(ReviewManager.class);
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Task<ReviewInfo> task = mock(Task.class);
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ReviewInfo reviewInfo = mock(ReviewInfo.class);
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com.d4rk.androidtutorials.java.data.repository.HelpRepository.OnReviewInfoListener listener =
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mock(com.d4rk.androidtutorials.java.data.repository.HelpRepository.OnReviewInfoListener.class);
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try (MockedStatic<ReviewManagerFactory> reviewManagerFactoryMockedStatic = Mockito.mockStatic(ReviewManagerFactory.class)) {
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reviewManagerFactoryMockedStatic.when(() -> ReviewManagerFactory.create(context)).thenReturn(reviewManager);
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when(reviewManager.requestReviewFlow()).thenReturn(task);
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when(task.addOnSuccessListener(any(OnSuccessListener.class))).thenAnswer(invocation -> {
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OnSuccessListener<ReviewInfo> onSuccessListener = invocation.getArgument(0);
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onSuccessListener.onSuccess(reviewInfo);
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return task;
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});
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when(task.addOnFailureListener(any(OnFailureListener.class))).thenReturn(task);
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HelpRepository repository = new HelpRepository(context);
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repository.requestReviewFlow(listener);
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verify(listener).onSuccess(reviewInfo);
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}
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}
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@SuppressWarnings("unchecked")
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@Test
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public void requestReviewFlow_notifiesFailureListener() {
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Context context = mock(Context.class);
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ReviewManager reviewManager = mock(ReviewManager.class);
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Task<ReviewInfo> task = mock(Task.class);
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Exception error = new Exception("failure");
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com.d4rk.androidtutorials.java.data.repository.HelpRepository.OnReviewInfoListener listener =
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mock(com.d4rk.androidtutorials.java.data.repository.HelpRepository.OnReviewInfoListener.class);
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try (MockedStatic<ReviewManagerFactory> reviewManagerFactoryMockedStatic = Mockito.mockStatic(ReviewManagerFactory.class)) {
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reviewManagerFactoryMockedStatic.when(() -> ReviewManagerFactory.create(context)).thenReturn(reviewManager);
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when(reviewManager.requestReviewFlow()).thenReturn(task);
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when(task.addOnSuccessListener(any(OnSuccessListener.class))).thenReturn(task);
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when(task.addOnFailureListener(any(OnFailureListener.class))).thenAnswer(invocation -> {
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OnFailureListener onFailureListener = invocation.getArgument(0);
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onFailureListener.onFailure(error);
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return task;
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});
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HelpRepository repository = new HelpRepository(context);
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repository.requestReviewFlow(listener);
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verify(listener).onFailure(error);
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}
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}
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@Test
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public void launchReviewFlow_forwardsToManager() {
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Context context = mock(Context.class);
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Activity activity = mock(Activity.class);
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ReviewManager reviewManager = mock(ReviewManager.class);
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ReviewInfo reviewInfo = mock(ReviewInfo.class);
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try (MockedStatic<ReviewManagerFactory> reviewManagerFactoryMockedStatic = Mockito.mockStatic(ReviewManagerFactory.class)) {
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reviewManagerFactoryMockedStatic.when(() -> ReviewManagerFactory.create(context)).thenReturn(reviewManager);
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HelpRepository repository = new HelpRepository(context);
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repository.launchReviewFlow(activity, reviewInfo);
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verify(reviewManager).launchReviewFlow(activity, reviewInfo);
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}
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}
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}

‎app/src/test/java/com/d4rk/androidtutorials/java/data/repository/LessonRepositoryTest.java‎

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package com.d4rk.androidtutorials.java.data.repository;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertThrows;
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import com.d4rk.androidtutorials.java.R;
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import org.junit.Test;
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public class LessonRepositoryTest {
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private final com.d4rk.androidtutorials.java.ui.screens.android.repository.LessonRepository repository =
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new com.d4rk.androidtutorials.java.ui.screens.android.repository.LessonRepository();
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@Test
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public void getLesson_knownLessonReturnsRecord() {
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LessonRepository.Lesson expected = new LessonRepository.Lesson(
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R.string.alert_dialog,
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R.raw.text_alertdialog_java,
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R.raw.text_center_button_xml
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);
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LessonRepository.Lesson result = repository.getLesson("AlertDialog");
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assertEquals(expected, result);
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}
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@Test
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public void getLesson_emptyNameThrows() {
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IllegalArgumentException exception = assertThrows(
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IllegalArgumentException.class,
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() -> repository.getLesson("")
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);
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assertEquals("Unknown lesson: ", exception.getMessage());
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}
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@Test
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public void getLesson_unknownLessonThrows() {
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IllegalArgumentException exception = assertThrows(
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IllegalArgumentException.class,
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() -> repository.getLesson("Unknown")
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);
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assertEquals("Unknown lesson: Unknown", exception.getMessage());
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}
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}

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