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Commit cbc2c4f1 authored by SongFerng Wang's avatar SongFerng Wang Committed by Gerrit Code Review
Browse files

Merge changes I89162011,I110727b6,I1778832b 

* changes:
  Settings JUnit test for PreferredNetworkModeContentObserverTest
  [Testing] Use AndroidJUnit4 instead in telephony/cdma/ test files
  [Testing] Use AndroidJUnit4 instead in MobileNetworkUtilsTest
parents 6b94f5ac 3611c3e2

tests/robotests/src/com/android/settings/network/PreferredNetworkModeContentObserverTest.java→tests/unit/src/com/android/settings/network/PreferredNetworkModeContentObserverTest.java

+14 −13
Original line number Diff line number Diff line
@@ -16,40 +16,42 @@ 


package com.android.settings.network;



import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;



import android.content.ContentResolver;

import android.content.Context;

import android.provider.Settings;

import android.test.mock.MockContentResolver;



import androidx.test.core.app.ApplicationProvider;

import androidx.test.ext.junit.runners.AndroidJUnit4;



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.RuntimeEnvironment;



@RunWith(RobolectricTestRunner.class)

@RunWith(AndroidJUnit4.class)

public class PreferredNetworkModeContentObserverTest {



    private static final int SUB_ID = 1;



    @Mock

    private ContentResolver mResolver;

    @Mock

    private Context mContext;

    private MockContentResolver mResolver;

    private PreferredNetworkModeContentObserver mPreferredNetworkModeContentObserver;



    @Mock

    private PreferredNetworkModeContentObserver.OnPreferredNetworkModeChangedListener mListener;



    private PreferredNetworkModeContentObserver mPreferredNetworkModeContentObserver;



    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mContext = spy(ApplicationProvider.getApplicationContext());



        mResolver = spy(new MockContentResolver(mContext));

        when(mContext.getContentResolver()).thenReturn(mResolver);

        mPreferredNetworkModeContentObserver =

                spy(new PreferredNetworkModeContentObserver(null));
@@ -78,5 +80,4 @@ public class PreferredNetworkModeContentObserverTest { 


        verify(mResolver).unregisterContentObserver(mPreferredNetworkModeContentObserver);

    }



}

tests/unit/src/com/android/settings/network/telephony/MobileNetworkUtilsTest.java

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+336 −0
Original line number Diff line number Diff line 
/*

 * 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.google.common.truth.Truth.assertThat;



import static org.mockito.ArgumentMatchers.anyBoolean;

import static org.mockito.ArgumentMatchers.anyInt;

import static org.mockito.ArgumentMatchers.nullable;

import static org.mockito.Mockito.never;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;



import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.content.pm.ResolveInfo;

import android.os.PersistableBundle;

import android.provider.Settings;

import android.telecom.PhoneAccountHandle;

import android.telephony.CarrierConfigManager;

import android.telephony.SubscriptionInfo;

import android.telephony.SubscriptionManager;

import android.telephony.TelephonyManager;



import androidx.test.core.app.ApplicationProvider;

import androidx.test.ext.junit.runners.AndroidJUnit4;



import com.android.settings.network.telephony.TelephonyConstants.TelephonyManagerConstants;



import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;



import java.util.ArrayList;

import java.util.Arrays;



@RunWith(AndroidJUnit4.class)

public class MobileNetworkUtilsTest {

    private static final String PACKAGE_NAME = "com.android.app";

    private static final int SUB_ID_1 = 1;

    private static final int SUB_ID_2 = 2;

    private static final int SUB_ID_INVALID = -1;

    private static final String PLMN_FROM_TELEPHONY_MANAGER_API = "testPlmn";

    private static final String PLMN_FROM_SUB_ID_1 = "testPlmnSub1";

    private static final String PLMN_FROM_SUB_ID_2 = "testPlmnSub2";



    @Mock

    private TelephonyManager mTelephonyManager;

    @Mock

    private TelephonyManager mTelephonyManager2;

    @Mock

    private SubscriptionManager mSubscriptionManager;

    @Mock

    private SubscriptionInfo mSubscriptionInfo1;

    @Mock

    private SubscriptionInfo mSubscriptionInfo2;

    @Mock

    private PackageManager mPackageManager;

    @Mock

    private ResolveInfo mResolveInfo;

    @Mock

    private CarrierConfigManager mCarrierConfigManager;



    private Context mContext;

    private PersistableBundle mCarrierConfig;

    private PhoneAccountHandle mPhoneAccountHandle;

    private ComponentName mComponentName;



    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);



        mContext = spy(ApplicationProvider.getApplicationContext());

        when(mContext.getSystemService(SubscriptionManager.class)).thenReturn(mSubscriptionManager);

        when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);

        when(mContext.getSystemService(Context.TELEPHONY_SERVICE)).thenReturn(mTelephonyManager);

        when(mTelephonyManager.createForSubscriptionId(SUB_ID_1)).thenReturn(mTelephonyManager);

        when(mTelephonyManager.createForSubscriptionId(SUB_ID_2)).thenReturn(mTelephonyManager2);

        when(mContext.getPackageManager()).thenReturn(mPackageManager);



        when(mContext.getSystemService(CarrierConfigManager.class)).thenReturn(

                mCarrierConfigManager);



        mCarrierConfig = new PersistableBundle();

        when(mCarrierConfigManager.getConfigForSubId(SUB_ID_1)).thenReturn(mCarrierConfig);



        when(mSubscriptionInfo1.getSubscriptionId()).thenReturn(SUB_ID_1);

        when(mSubscriptionInfo1.getCarrierName()).thenReturn(PLMN_FROM_SUB_ID_1);

        when(mSubscriptionInfo2.getSubscriptionId()).thenReturn(SUB_ID_2);

        when(mSubscriptionInfo2.getCarrierName()).thenReturn(PLMN_FROM_SUB_ID_2);



        when(mSubscriptionManager.getActiveSubscriptionInfoList()).thenReturn(

                Arrays.asList(mSubscriptionInfo1, mSubscriptionInfo2));

        when(mSubscriptionManager.getAccessibleSubscriptionInfoList()).thenReturn(

                Arrays.asList(mSubscriptionInfo1, mSubscriptionInfo2));



        when(mTelephonyManager.getNetworkOperatorName()).thenReturn(

                PLMN_FROM_TELEPHONY_MANAGER_API);

    }



    @Test

    public void setMobileDataEnabled_setEnabled_enabled() {

        MobileNetworkUtils.setMobileDataEnabled(mContext, SUB_ID_1, true, false);



        verify(mTelephonyManager).setDataEnabled(true);

        verify(mTelephonyManager2, never()).setDataEnabled(anyBoolean());

    }



    @Test

    public void setMobileDataEnabled_setDisabled_disabled() {

        MobileNetworkUtils.setMobileDataEnabled(mContext, SUB_ID_2, true, false);



        verify(mTelephonyManager2).setDataEnabled(true);

        verify(mTelephonyManager, never()).setDataEnabled(anyBoolean());

    }



    @Test

    public void setMobileDataEnabled_disableOtherSubscriptions() {

        MobileNetworkUtils.setMobileDataEnabled(mContext, SUB_ID_1, true, true);



        verify(mTelephonyManager).setDataEnabled(true);

        verify(mTelephonyManager2).setDataEnabled(false);

    }



    @Test

    public void buildConfigureIntent_nullHandle_returnNull() {

        assertThat(MobileNetworkUtils.buildPhoneAccountConfigureIntent(mContext, null)).isNull();

    }



    @Test

    public void buildConfigureIntent_noActivityHandleIntent_returnNull() {

        when(mPackageManager.queryIntentActivities(nullable(Intent.class), anyInt()))

                .thenReturn(new ArrayList<>());



        assertThat(MobileNetworkUtils.buildPhoneAccountConfigureIntent(mContext,

                mPhoneAccountHandle)).isNull();

    }



    @Test

    public void buildConfigureIntent_hasActivityHandleIntent_returnIntent() {

        mComponentName = new ComponentName(PACKAGE_NAME, "testClass");

        mPhoneAccountHandle = new PhoneAccountHandle(mComponentName, "");

        when(mPackageManager.queryIntentActivities(nullable(Intent.class), anyInt()))

                .thenReturn(Arrays.asList(mResolveInfo));



        assertThat(MobileNetworkUtils.buildPhoneAccountConfigureIntent(mContext,

                mPhoneAccountHandle)).isNotNull();

    }



    @Test

    public void isCdmaOptions_phoneTypeCdma_returnTrue() {

        when(mTelephonyManager.getPhoneType()).thenReturn(TelephonyManager.PHONE_TYPE_CDMA);



        assertThat(MobileNetworkUtils.isCdmaOptions(mContext, SUB_ID_1)).isTrue();

    }



    @Test

    public void isCdmaOptions_worldModeWithGsmWcdma_returnTrue() {

        when(mTelephonyManager.getPhoneType()).thenReturn(TelephonyManager.PHONE_TYPE_GSM);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_MODE_ENABLED_BOOL, true);



        Settings.Global.putInt(mContext.getContentResolver(),

                android.provider.Settings.Global.PREFERRED_NETWORK_MODE + SUB_ID_1,

                TelephonyManagerConstants.NETWORK_MODE_LTE_GSM_WCDMA);



        assertThat(MobileNetworkUtils.isCdmaOptions(mContext, SUB_ID_1)).isTrue();

    }



    @Test

    public void isCdmaOptions_carrierWorldModeWithoutHideCarrier_returnTrue() {

        when(mTelephonyManager.getPhoneType()).thenReturn(TelephonyManager.PHONE_TYPE_GSM);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL,

                false);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_PHONE_BOOL, true);



        assertThat(MobileNetworkUtils.isCdmaOptions(mContext, SUB_ID_1)).isTrue();

    }



    @Test

    public void getSearchableSubscriptionId_oneActive_returnValid() {

        when(mSubscriptionManager.getActiveSubscriptionInfoList()).thenReturn(

                Arrays.asList(mSubscriptionInfo1));

        assertThat(MobileNetworkUtils.getSearchableSubscriptionId(mContext)).isEqualTo(SUB_ID_1);

    }



    @Test

    public void getSearchableSubscriptionId_nonActive_returnInvalid() {

        when(mSubscriptionManager.getActiveSubscriptionInfoList()).thenReturn(new ArrayList<>());



        assertThat(MobileNetworkUtils.getSearchableSubscriptionId(mContext))

                .isEqualTo(SubscriptionManager.INVALID_SUBSCRIPTION_ID);

    }



    @Test

    public void shouldDisplayNetworkSelectOptions_HideCarrierNetwork_returnFalse() {

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL,

                true);



        assertThat(MobileNetworkUtils.shouldDisplayNetworkSelectOptions(mContext, SUB_ID_1))

                .isFalse();

    }



    @Test

    public void shouldDisplayNetworkSelectOptions_allCheckPass_returnTrue() {

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL,

                false);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_OPERATOR_SELECTION_EXPAND_BOOL, true);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_CSP_ENABLED_BOOL, false);

        when(mTelephonyManager.getPhoneType()).thenReturn(TelephonyManager.PHONE_TYPE_GSM);



        assertThat(MobileNetworkUtils.shouldDisplayNetworkSelectOptions(mContext, SUB_ID_1))

                .isTrue();

    }



    @Test

    public void shouldSpeciallyUpdateGsmCdma_notWorldMode_returnFalse() {

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_MODE_ENABLED_BOOL, false);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_SUPPORT_TDSCDMA_BOOL, false);



        assertThat(MobileNetworkUtils.shouldSpeciallyUpdateGsmCdma(mContext, SUB_ID_1)).isFalse();

    }



    @Test

    public void shouldSpeciallyUpdateGsmCdma_supportTdscdma_returnFalse() {

        when(mCarrierConfigManager.getConfig()).thenReturn(mCarrierConfig);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_MODE_ENABLED_BOOL, true);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_SUPPORT_TDSCDMA_BOOL, true);



        assertThat(MobileNetworkUtils.shouldSpeciallyUpdateGsmCdma(mContext, SUB_ID_1)).isFalse();

    }



    @Test

    public void shouldSpeciallyUpdateGsmCdma_ModeLteTdscdmaGsm_returnTrue() {

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_MODE_ENABLED_BOOL, true);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_SUPPORT_TDSCDMA_BOOL, false);

        Settings.Global.putInt(mContext.getContentResolver(),

                android.provider.Settings.Global.PREFERRED_NETWORK_MODE + SUB_ID_1,

                TelephonyManagerConstants.NETWORK_MODE_LTE_TDSCDMA_GSM);



        assertThat(MobileNetworkUtils.shouldSpeciallyUpdateGsmCdma(mContext, SUB_ID_1)).isTrue();

    }



    @Test

    public void shouldSpeciallyUpdateGsmCdma_ModeLteTdscdmaGsmWcdma_returnTrue() {

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_MODE_ENABLED_BOOL, true);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_SUPPORT_TDSCDMA_BOOL, false);

        Settings.Global.putInt(mContext.getContentResolver(),

                android.provider.Settings.Global.PREFERRED_NETWORK_MODE + SUB_ID_1,

                TelephonyManagerConstants.NETWORK_MODE_LTE_TDSCDMA_GSM_WCDMA);



        assertThat(MobileNetworkUtils.shouldSpeciallyUpdateGsmCdma(mContext, SUB_ID_1)).isTrue();

    }



    @Test

    public void shouldSpeciallyUpdateGsmCdma_ModeLteTdscdma_returnTrue() {

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_MODE_ENABLED_BOOL, true);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_SUPPORT_TDSCDMA_BOOL, false);

        Settings.Global.putInt(mContext.getContentResolver(),

                android.provider.Settings.Global.PREFERRED_NETWORK_MODE + SUB_ID_1,

                TelephonyManagerConstants.NETWORK_MODE_LTE_TDSCDMA);



        assertThat(MobileNetworkUtils.shouldSpeciallyUpdateGsmCdma(mContext, SUB_ID_1)).isTrue();

    }



    @Test

    public void shouldSpeciallyUpdateGsmCdma_ModeLteTdscdmaWcdma_returnTrue() {

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_MODE_ENABLED_BOOL, true);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_SUPPORT_TDSCDMA_BOOL, false);

        Settings.Global.putInt(mContext.getContentResolver(),

                android.provider.Settings.Global.PREFERRED_NETWORK_MODE + SUB_ID_1,

                TelephonyManagerConstants.NETWORK_MODE_LTE_TDSCDMA_WCDMA);



        assertThat(MobileNetworkUtils.shouldSpeciallyUpdateGsmCdma(mContext, SUB_ID_1)).isTrue();

    }



    @Test

    public void shouldSpeciallyUpdateGsmCdma_ModeLteTdscdmaCdmaEvdoGsmWcdma_returnTrue() {

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_MODE_ENABLED_BOOL, true);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_SUPPORT_TDSCDMA_BOOL, false);

        Settings.Global.putInt(mContext.getContentResolver(),

                android.provider.Settings.Global.PREFERRED_NETWORK_MODE + SUB_ID_1,

                TelephonyManagerConstants.NETWORK_MODE_LTE_TDSCDMA_CDMA_EVDO_GSM_WCDMA);



        assertThat(MobileNetworkUtils.shouldSpeciallyUpdateGsmCdma(mContext, SUB_ID_1)).isTrue();

    }



    @Test

    public void shouldSpeciallyUpdateGsmCdma_ModeLteCdmaEvdoGsmWcdma_returnTrue() {

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_WORLD_MODE_ENABLED_BOOL, true);

        mCarrierConfig.putBoolean(CarrierConfigManager.KEY_SUPPORT_TDSCDMA_BOOL, false);

        Settings.Global.putInt(mContext.getContentResolver(),

                android.provider.Settings.Global.PREFERRED_NETWORK_MODE + SUB_ID_1,

                TelephonyManagerConstants.NETWORK_MODE_LTE_CDMA_EVDO_GSM_WCDMA);



        assertThat(MobileNetworkUtils.shouldSpeciallyUpdateGsmCdma(mContext, SUB_ID_1)).isTrue();

    }



    @Test

    public void getCurrentCarrierNameForDisplay_withoutValidSubId_returnNetworkOperatorName() {

        assertThat(MobileNetworkUtils.getCurrentCarrierNameForDisplay(

                mContext, SUB_ID_INVALID)).isEqualTo(PLMN_FROM_TELEPHONY_MANAGER_API);

    }



    @Test

    public void getCurrentCarrierNameForDisplay_withValidSubId_returnCurrentCarrierName() {

        assertThat(MobileNetworkUtils.getCurrentCarrierNameForDisplay(

                mContext, SUB_ID_1)).isEqualTo(PLMN_FROM_SUB_ID_1);

        assertThat(MobileNetworkUtils.getCurrentCarrierNameForDisplay(

                mContext, SUB_ID_2)).isEqualTo(PLMN_FROM_SUB_ID_2);

    }



    @Test

    public void getCurrentCarrierNameForDisplay_withoutSubId_returnNotNull() {

        assertThat(MobileNetworkUtils.getCurrentCarrierNameForDisplay(

                mContext)).isNotNull();

    }

}

tests/unit/src/com/android/settings/network/telephony/cdma/CdmaListPreferenceTest.java

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Original line number Diff line number Diff line 
/*

 * 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.cdma;



import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.never;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;



import android.content.Context;

import android.telephony.TelephonyManager;



import androidx.preference.PreferenceManager;

import androidx.test.core.app.ApplicationProvider;

import androidx.test.ext.junit.runners.AndroidJUnit4;



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 class CdmaListPreferenceTest {

    private static final int SUB_ID = 2;



    @Mock

    private TelephonyManager mTelephonyManager;

    @Mock

    private PreferenceManager mPreferenceManager;



    private CdmaListPreference mPreference;

    private Context mContext;



    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);



        mContext = spy(ApplicationProvider.getApplicationContext());

        when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);

        when(mTelephonyManager.createForSubscriptionId(SUB_ID)).thenReturn(mTelephonyManager);

        mPreference = spy(new CdmaListPreference(mContext, null));

        mPreference.setSubId(SUB_ID);

    }



    @Test

    public void onClick_inEcm_doNothing() {

        doReturn(true).when(mTelephonyManager).getEmergencyCallbackMode();



        mPreference.onClick();



        verify(mPreferenceManager, never()).showDialog(mPreference);

    }

}

tests/unit/src/com/android/settings/network/telephony/cdma/CdmaSubscriptionPreferenceControllerTest.java

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Original line number Diff line number Diff line 
/*

 * 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.cdma;



import static com.google.common.truth.Truth.assertThat;



import static org.mockito.ArgumentMatchers.anyInt;

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.when;



import android.content.Context;

import android.os.SystemProperties;

import android.provider.Settings;

import android.telephony.TelephonyManager;



import androidx.preference.ListPreference;

import androidx.preference.PreferenceManager;

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 class CdmaSubscriptionPreferenceControllerTest {

    private static final int SUB_ID = 2;



    @Mock

    private PreferenceManager mPreferenceManager;

    @Mock

    private TelephonyManager mTelephonyManager;



    private CdmaSubscriptionPreferenceController mController;

    private ListPreference mPreference;

    private Context mContext;

    private int mCdmaMode;

    private String mSubscriptionsSupported;



    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);



        mContext = spy(ApplicationProvider.getApplicationContext());

        when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);

        doReturn(mTelephonyManager).when(mTelephonyManager).createForSubscriptionId(SUB_ID);



        mPreference = new ListPreference(mContext);

        mController = new CdmaSubscriptionPreferenceController(mContext, "mobile_data");

        mController.init(mPreferenceManager, SUB_ID);

        mController.mPreference = mPreference;

        mPreference.setKey(mController.getPreferenceKey());



        mCdmaMode = Settings.Global.getInt(mContext.getContentResolver(),

            Settings.Global.CDMA_SUBSCRIPTION_MODE,

            TelephonyManager.CDMA_SUBSCRIPTION_RUIM_SIM);



        mSubscriptionsSupported = SystemProperties.get("ril.subscription.types");

    }



    @After

    public void tearDown() {

        Settings.Global.putInt(mContext.getContentResolver(),

            Settings.Global.CDMA_SUBSCRIPTION_MODE, mCdmaMode);



        SystemProperties.set("ril.subscription.types", mSubscriptionsSupported);

    }



    @Test

    public void onPreferenceChange_selectNV_returnNVMode() {

        doReturn(true).when(mTelephonyManager).setCdmaSubscriptionMode(anyInt());



        mController.onPreferenceChange(mPreference, Integer.toString(

                TelephonyManager.CDMA_SUBSCRIPTION_NV));



        assertThat(Settings.Global.getInt(mContext.getContentResolver(),

                Settings.Global.CDMA_SUBSCRIPTION_MODE,

                TelephonyManager.CDMA_SUBSCRIPTION_RUIM_SIM)).isEqualTo(

                        TelephonyManager.CDMA_SUBSCRIPTION_NV);

    }



    @Test

    public void updateState_stateRUIM_displayRUIM() {

        Settings.Global.putInt(mContext.getContentResolver(),

                Settings.Global.CDMA_SUBSCRIPTION_MODE, TelephonyManager.CDMA_SUBSCRIPTION_NV);



        mController.updateState(mPreference);



        assertThat(mPreference.getValue()).isEqualTo(Integer.toString(

                TelephonyManager.CDMA_SUBSCRIPTION_NV));

    }



    @Test

    public void updateState_stateUnknown_doNothing() {

        mPreference.setValue(Integer.toString(TelephonyManager.CDMA_SUBSCRIPTION_NV));

        Settings.Global.putInt(mContext.getContentResolver(),

                Settings.Global.CDMA_SUBSCRIPTION_MODE, TelephonyManager.CDMA_SUBSCRIPTION_UNKNOWN);



        mController.updateState(mPreference);



        // Still NV mode

        assertThat(mPreference.getValue()).isEqualTo(Integer.toString(

                TelephonyManager.CDMA_SUBSCRIPTION_NV));

    }



    @Test

    public void deviceSupportsNvAndRuim() {

        SystemProperties.set("ril.subscription.types", "NV,RUIM");

        assertThat(mController.deviceSupportsNvAndRuim()).isTrue();



        SystemProperties.set("ril.subscription.types", "");



        assertThat(mController.deviceSupportsNvAndRuim()).isFalse();

    }

}

tests/unit/src/com/android/settings/network/telephony/cdma/CdmaSystemSelectPreferenceControllerTest.java

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