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Sep 16, 2025
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Expand DefaultMainRepository repository tests #219

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57 changes: 47 additions & 10 deletions ...c/test/java/com/d4rk/androidtutorials/java/data/repository/DefaultMainRepositoryTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,11 @@

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.mockStatic;
Expand Down Expand Up @@ -81,19 +83,32 @@ public void tearDown() {
@Test
public void applyThemeSettings_noChangeWhenPreferenceSame() {
defaultPrefs.edit().putString("theme", "light").apply();
AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
boolean changed = repository.applyThemeSettings(new String[]{"system", "light", "dark", "auto"});
assertFalse(changed);
assertEquals(AppCompatDelegate.MODE_NIGHT_NO, AppCompatDelegate.getDefaultNightMode());

try (MockedStatic<AppCompatDelegate> appCompatDelegate = mockStatic(AppCompatDelegate.class)) {
appCompatDelegate.when(AppCompatDelegate::getDefaultNightMode).thenReturn(AppCompatDelegate.MODE_NIGHT_NO);

boolean changed = repository.applyThemeSettings(new String[]{"system", "light", "dark", "auto"});

assertFalse(changed);
appCompatDelegate.verify(AppCompatDelegate::getDefaultNightMode);
appCompatDelegate.verifyNoMoreInteractions();
}
}

@Test
public void applyThemeSettings_changesWhenPreferenceDiffers() {
defaultPrefs.edit().putString("theme", "dark").apply();
AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
boolean changed = repository.applyThemeSettings(new String[]{"system", "light", "dark", "auto"});
assertTrue(changed);
assertEquals(AppCompatDelegate.MODE_NIGHT_YES, AppCompatDelegate.getDefaultNightMode());

try (MockedStatic<AppCompatDelegate> appCompatDelegate = mockStatic(AppCompatDelegate.class)) {
appCompatDelegate.when(AppCompatDelegate::getDefaultNightMode).thenReturn(AppCompatDelegate.MODE_NIGHT_NO);

boolean changed = repository.applyThemeSettings(new String[]{"system", "light", "dark", "auto"});

assertTrue(changed);
appCompatDelegate.verify(AppCompatDelegate::getDefaultNightMode);
appCompatDelegate.verify(() -> AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES));
appCompatDelegate.verifyNoMoreInteractions();
}
}

@Test
Expand All @@ -104,6 +119,12 @@ public void getBottomNavLabelVisibilityAndDefaultTabPreferenceReturnStoredValues
assertEquals("search", repository.getDefaultTabPreference());
}

@Test
public void getBottomNavLabelVisibilityAndDefaultTabPreferenceReturnDefaultValues() {
assertEquals("never", repository.getBottomNavLabelVisibility());
assertEquals("home", repository.getDefaultTabPreference());
}

@Test
public void startupScreenDefaultsTrueAndFlipsAfterMark() {
assertTrue(repository.shouldShowStartupScreen());
Expand All @@ -114,8 +135,24 @@ public void startupScreenDefaultsTrueAndFlipsAfterMark() {
@Test
public void applyLanguageSettings_setsLocales() {
defaultPrefs.edit().putString("language", "fr").apply();
repository.applyLanguageSettings();
assertEquals("fr", AppCompatDelegate.getApplicationLocales().toLanguageTags());

final LocaleListCompat[] capturedLocale = new LocaleListCompat[1];

try (MockedStatic<AppCompatDelegate> appCompatDelegate = mockStatic(AppCompatDelegate.class)) {
appCompatDelegate
.when(() -> AppCompatDelegate.setApplicationLocales(any(LocaleListCompat.class)))
.thenAnswer(invocation -> {
capturedLocale[0] = invocation.getArgument(0);
return null;
});

repository.applyLanguageSettings();

assertNotNull(capturedLocale[0]);
assertEquals("fr", capturedLocale[0].toLanguageTags());
appCompatDelegate.verify(() -> AppCompatDelegate.setApplicationLocales(capturedLocale[0]));
appCompatDelegate.verifyNoMoreInteractions();
}
}

@Test
Expand Down