| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.settings.network.telephony; |
| |
| import static com.android.settings.core.BasePreferenceController.AVAILABLE; |
| import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE; |
| import static com.android.settings.core.BasePreferenceController.UNSUPPORTED_ON_DEVICE; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import android.content.Context; |
| import android.os.Looper; |
| import android.provider.DeviceConfig; |
| import android.telephony.TelephonyManager; |
| import android.util.Log; |
| |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceManager; |
| import androidx.preference.PreferenceScreen; |
| import androidx.test.core.app.ApplicationProvider; |
| import androidx.test.ext.junit.runners.AndroidJUnit4; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| |
| @RunWith(AndroidJUnit4.class) |
| public final class NullAlgorithmsPreferenceControllerTest { |
| private static final String LOG_TAG = "NullAlgosControllerTest"; |
| private static final int SUB_ID = 2; |
| private static final String PREFERENCE_KEY = "TEST_NULL_CIPHER_PREFERENCE"; |
| |
| @Mock |
| private TelephonyManager mTelephonyManager; |
| private Preference mPreference; |
| private PreferenceScreen mPreferenceScreen; |
| private NullAlgorithmsPreferenceController mController; |
| private Context mContext; |
| // Ideally we would use TestableDeviceConfig, but that's not doable because the Settings |
| // app is not currently debuggable. For now, we use the real device config and ensure that |
| // we reset the cellular_security namespace property to its pre-test value after every test. |
| private DeviceConfig.Properties mPreTestProperties; |
| |
| @Before |
| public void setUp() { |
| if (Looper.myLooper() == null) { |
| Looper.prepare(); |
| } |
| |
| mPreTestProperties = DeviceConfig.getProperties( |
| TelephonyManager.PROPERTY_ENABLE_NULL_CIPHER_TOGGLE); |
| |
| MockitoAnnotations.initMocks(this); |
| |
| mContext = spy(ApplicationProvider.getApplicationContext()); |
| when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager); |
| |
| doReturn(mTelephonyManager).when(mTelephonyManager).createForSubscriptionId(SUB_ID); |
| |
| mController = new NullAlgorithmsPreferenceController(mContext, PREFERENCE_KEY); |
| |
| mPreference = spy(new Preference(mContext)); |
| mPreference.setKey(PREFERENCE_KEY); |
| mPreferenceScreen = new PreferenceManager(mContext).createPreferenceScreen(mContext); |
| mPreferenceScreen.addPreference(mPreference); |
| } |
| |
| @After |
| public void tearDown() { |
| try { |
| DeviceConfig.setProperties(mPreTestProperties); |
| } catch (DeviceConfig.BadConfigException e) { |
| Log.e(LOG_TAG, |
| "Failed to reset DeviceConfig to pre-test state. Test results may be impacted. " |
| + e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void getAvailabilityStatus_unsupportedHardware_unsupportedOnDevice() { |
| DeviceConfig.setProperty(DeviceConfig.NAMESPACE_CELLULAR_SECURITY, |
| TelephonyManager.PROPERTY_ENABLE_NULL_CIPHER_TOGGLE, Boolean.TRUE.toString(), |
| false); |
| doThrow(UnsupportedOperationException.class).when( |
| mTelephonyManager).isNullCipherAndIntegrityPreferenceEnabled(); |
| assertThat(mController.getAvailabilityStatus()).isEqualTo(UNSUPPORTED_ON_DEVICE); |
| } |
| |
| @Test |
| public void getAvailabilityStatus_featureFlagOff_conditionallyUnavailable() { |
| doReturn(true).when(mTelephonyManager).isNullCipherAndIntegrityPreferenceEnabled(); |
| DeviceConfig.setProperty(DeviceConfig.NAMESPACE_CELLULAR_SECURITY, |
| TelephonyManager.PROPERTY_ENABLE_NULL_CIPHER_TOGGLE, Boolean.FALSE.toString(), |
| false); |
| assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE); |
| } |
| |
| @Test |
| public void getAvailabilityStatus_telephonyManagerException_conditionallyUnavailable() { |
| DeviceConfig.setProperty(DeviceConfig.NAMESPACE_CELLULAR_SECURITY, |
| TelephonyManager.PROPERTY_ENABLE_NULL_CIPHER_TOGGLE, Boolean.TRUE.toString(), |
| false); |
| doThrow(IllegalStateException.class).when( |
| mTelephonyManager).isNullCipherAndIntegrityPreferenceEnabled(); |
| assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE); |
| } |
| |
| @Test |
| public void getAvailabilityStatus_returnAvailable() { |
| DeviceConfig.setProperty(DeviceConfig.NAMESPACE_CELLULAR_SECURITY, |
| TelephonyManager.PROPERTY_ENABLE_NULL_CIPHER_TOGGLE, Boolean.TRUE.toString(), |
| false); |
| // The value returned here shouldn't matter. The fact that this call is successful |
| // indicates that the device supports this operation |
| doReturn(true).when(mTelephonyManager).isNullCipherAndIntegrityPreferenceEnabled(); |
| assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE); |
| } |
| |
| @Test |
| public void setChecked_true() { |
| mController.setChecked(true); |
| verify(mTelephonyManager, times(1)).setNullCipherAndIntegrityEnabled(true); |
| } |
| |
| @Test |
| public void setChecked_false() { |
| mController.setChecked(false); |
| verify(mTelephonyManager, times(1)).setNullCipherAndIntegrityEnabled(false); |
| } |
| |
| @Test |
| public void setChecked_exceptionThrown() { |
| doThrow(IllegalStateException.class).when( |
| mTelephonyManager).setNullCipherAndIntegrityEnabled(true); |
| assertFalse(mController.setChecked(true)); |
| verify(mTelephonyManager, times(1)).setNullCipherAndIntegrityEnabled(true); |
| } |
| } |