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Add tests for consent utils preference handling #213

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Sep 16, 2025
Merged

Add tests for consent utils preference handling #213

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61 changes: 61 additions & 0 deletions app/src/test/java/com/d4rk/androidtutorials/java/utils/ConsentUtilsTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,50 @@

public class ConsentUtilsTest {

@Test
public void applyStoredConsent_readsPreferencesAndUpdatesFirebase() {
Context context = mock(Context.class);
SharedPreferences prefs = mock(SharedPreferences.class);
FirebaseAnalytics analytics = mock(FirebaseAnalytics.class);

when(context.getString(R.string.key_consent_analytics)).thenReturn("consent_analytics");
when(context.getString(R.string.key_consent_ad_storage)).thenReturn("consent_ad_storage");
when(context.getString(R.string.key_consent_ad_user_data)).thenReturn("consent_ad_user_data");
when(context.getString(R.string.key_consent_ad_personalization)).thenReturn("consent_ad_personalization");

when(prefs.getBoolean("consent_analytics", true)).thenReturn(false);
when(prefs.getBoolean("consent_ad_storage", true)).thenReturn(true);
when(prefs.getBoolean("consent_ad_user_data", true)).thenReturn(false);
when(prefs.getBoolean("consent_ad_personalization", true)).thenReturn(true);

try (MockedStatic<PreferenceManager> prefsStatic = Mockito.mockStatic(PreferenceManager.class);
MockedStatic<FirebaseAnalytics> firebaseStatic = Mockito.mockStatic(FirebaseAnalytics.class)) {
prefsStatic.when(() -> PreferenceManager.getDefaultSharedPreferences(context)).thenReturn(prefs);
firebaseStatic.when(() -> FirebaseAnalytics.getInstance(context)).thenReturn(analytics);

ConsentUtils.applyStoredConsent(context);

verify(prefs).getBoolean("consent_analytics", true);
verify(prefs).getBoolean("consent_ad_storage", true);
verify(prefs).getBoolean("consent_ad_user_data", true);
verify(prefs).getBoolean("consent_ad_personalization", true);

ArgumentCaptor<Map<FirebaseAnalytics.ConsentType, FirebaseAnalytics.ConsentStatus>> captor =
ArgumentCaptor.forClass(Map.class);
verify(analytics).setConsent(captor.capture());
Map<FirebaseAnalytics.ConsentType, FirebaseAnalytics.ConsentStatus> consentMap = captor.getValue();

assertEquals(FirebaseAnalytics.ConsentStatus.DENIED,
consentMap.get(FirebaseAnalytics.ConsentType.ANALYTICS_STORAGE));
assertEquals(FirebaseAnalytics.ConsentStatus.GRANTED,
consentMap.get(FirebaseAnalytics.ConsentType.AD_STORAGE));
assertEquals(FirebaseAnalytics.ConsentStatus.DENIED,
consentMap.get(FirebaseAnalytics.ConsentType.AD_USER_DATA));
assertEquals(FirebaseAnalytics.ConsentStatus.GRANTED,
consentMap.get(FirebaseAnalytics.ConsentType.AD_PERSONALIZATION));
}
}

@Test
public void updateFirebaseConsent_setsExpectedStatuses() {
Context context = mock(Context.class);
Expand Down Expand Up @@ -75,4 +119,21 @@ public void canShowAds_readsStoredPreference() {
assertTrue(ConsentUtils.canShowAds(context));
}
}

@Test
public void canShowAds_returnsDefaultWhenPreferenceMissing() {
Context context = mock(Context.class);
SharedPreferences prefs = mock(SharedPreferences.class);
when(context.getString(R.string.key_consent_ad_storage)).thenReturn("consent_ad_storage");

try (MockedStatic<PreferenceManager> prefsStatic = Mockito.mockStatic(PreferenceManager.class)) {
prefsStatic.when(() -> PreferenceManager.getDefaultSharedPreferences(context)).thenReturn(prefs);

when(prefs.getBoolean("consent_ad_storage", true))
.thenAnswer(invocation -> invocation.getArgument(1));

assertTrue(ConsentUtils.canShowAds(context));
verify(prefs).getBoolean("consent_ad_storage", true);
}
}
}