| /* |
| * Copyright (C) 2016 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.server.wifi; |
| |
| import static org.junit.Assert.*; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.anyString; |
| import static org.mockito.Mockito.atLeastOnce; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Handler; |
| import android.telephony.TelephonyManager; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import com.android.wifi.resources.R; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.util.Locale; |
| |
| /** |
| * Unit tests for {@link com.android.server.wifi.WifiCountryCode}. |
| */ |
| @SmallTest |
| public class WifiCountryCodeTest extends WifiBaseTest { |
| |
| private static final String TAG = "WifiCountryCodeTest"; |
| private String mDefaultCountryCode = "US"; |
| private String mTelephonyCountryCode = "JP"; |
| private boolean mRevertCountryCodeOnCellularLoss = true; |
| @Mock Context mContext; |
| MockResources mResources = new MockResources(); |
| @Mock TelephonyManager mTelephonyManager; |
| @Mock Handler mHandler; |
| @Mock WifiNative mWifiNative; |
| private ArgumentCaptor<BroadcastReceiver> mBroadcastReceiverCaptor = |
| ArgumentCaptor.forClass(BroadcastReceiver.class); |
| private WifiCountryCode mWifiCountryCode; |
| |
| /** |
| * Setup test. |
| */ |
| @Before |
| public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| |
| when(mWifiNative.setCountryCode(any(), anyString())).thenReturn(true); |
| when(mContext.getSystemService(Context.TELEPHONY_SERVICE)) |
| .thenReturn(mTelephonyManager); |
| |
| createWifiCountryCode(); |
| } |
| |
| private void createWifiCountryCode() { |
| mResources.setBoolean(R.bool.config_wifi_revert_country_code_on_cellular_loss, |
| mRevertCountryCodeOnCellularLoss); |
| when(mContext.getResources()).thenReturn(mResources); |
| mWifiCountryCode = new WifiCountryCode( |
| mContext, |
| mHandler, |
| mWifiNative, |
| mDefaultCountryCode); |
| verify(mContext, atLeastOnce()).registerReceiver( |
| mBroadcastReceiverCaptor.capture(), any(), any(), any()); |
| } |
| |
| private void sendCountryCodeChangedBroadcast(String countryCode) { |
| Intent intent = new Intent(TelephonyManager.ACTION_NETWORK_COUNTRY_CHANGED); |
| intent.putExtra(TelephonyManager.EXTRA_NETWORK_COUNTRY, countryCode); |
| assertNotNull(mBroadcastReceiverCaptor.getValue()); |
| mBroadcastReceiverCaptor.getValue().onReceive(mContext, intent); |
| } |
| |
| /** |
| * Test if we do not receive country code from Telephony. |
| * @throws Exception |
| */ |
| @Test |
| public void useDefaultCountryCode() throws Exception { |
| // Supplicant started. |
| mWifiCountryCode.setReadyForChange(true); |
| // Wifi get L2 connected. |
| mWifiCountryCode.setReadyForChange(false); |
| verify(mWifiNative).setCountryCode(any(), anyString()); |
| assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCodeSentToDriver()); |
| } |
| |
| /** |
| * Test that we read the country code from telephony at bootup. |
| * @throws Exception |
| */ |
| @Test |
| public void useTelephonyCountryCodeOnBootup() throws Exception { |
| when(mTelephonyManager.getNetworkCountryIso()).thenReturn(mTelephonyCountryCode); |
| // Supplicant started. |
| mWifiCountryCode.setReadyForChange(true); |
| // Wifi get L2 connected. |
| mWifiCountryCode.setReadyForChange(false); |
| verify(mWifiNative).setCountryCode(any(), anyString()); |
| assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver()); |
| } |
| |
| /** |
| * Test if we receive country code from Telephony before supplicant starts. |
| * @throws Exception |
| */ |
| @Test |
| public void useTelephonyCountryCodeOnChange() throws Exception { |
| sendCountryCodeChangedBroadcast(mTelephonyCountryCode); |
| assertEquals(null, mWifiCountryCode.getCountryCodeSentToDriver()); |
| // Supplicant started. |
| mWifiCountryCode.setReadyForChange(true); |
| // Wifi get L2 connected. |
| mWifiCountryCode.setReadyForChange(false); |
| verify(mWifiNative).setCountryCode(any(), anyString()); |
| assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver()); |
| } |
| |
| /** |
| * Test if we receive country code from Telephony after supplicant starts. |
| * @throws Exception |
| */ |
| @Test |
| public void telephonyCountryCodeChangeAfterSupplicantStarts() throws Exception { |
| // Supplicant starts. |
| mWifiCountryCode.setReadyForChange(true); |
| assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCodeSentToDriver()); |
| // Telephony country code arrives. |
| sendCountryCodeChangedBroadcast(mTelephonyCountryCode); |
| // Wifi get L2 connected. |
| mWifiCountryCode.setReadyForChange(false); |
| verify(mWifiNative, times(2)).setCountryCode(any(), anyString()); |
| assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver()); |
| } |
| |
| /** |
| * Test if we receive country code from Telephony after we get L2 connected. |
| * @throws Exception |
| */ |
| @Test |
| public void telephonyCountryCodeChangeAfterL2Connected() throws Exception { |
| // Supplicant starts. |
| mWifiCountryCode.setReadyForChange(true); |
| // Wifi get L2 connected. |
| mWifiCountryCode.setReadyForChange(false); |
| // Telephony country code arrives. |
| sendCountryCodeChangedBroadcast(mTelephonyCountryCode); |
| // Telephony coutry code won't be applied at this time. |
| assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCodeSentToDriver()); |
| mWifiCountryCode.setReadyForChange(true); |
| // Telephony coutry is applied after supplicant is ready. |
| verify(mWifiNative, times(2)).setCountryCode(any(), anyString()); |
| assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver()); |
| } |
| |
| /** |
| * Test if we can reset to the default country code when phone is out of service, when |
| * |config_wifi_revert_country_code_on_cellular_loss| is set to true; |
| * Telephony service calls |setCountryCode| with an empty string when phone is out of service. |
| * In this case we should fall back to the default country code. |
| * @throws Exception |
| */ |
| @Test |
| public void resetCountryCodeWhenOutOfService() throws Exception { |
| assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCode()); |
| sendCountryCodeChangedBroadcast(mTelephonyCountryCode); |
| assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCode()); |
| // Out of service. |
| sendCountryCodeChangedBroadcast(""); |
| assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCode()); |
| } |
| |
| /** |
| * Test if we can keep using the last known country code when phone is out of service, when |
| * |config_wifi_revert_country_code_on_cellular_loss| is set to false; |
| * Telephony service calls |setCountryCode| with an empty string when phone is out of service. |
| * In this case we should keep using the last known country code. |
| * @throws Exception |
| */ |
| @Test |
| public void doNotResetCountryCodeWhenOutOfService() throws Exception { |
| // Refresh mWifiCountryCode with |config_wifi_revert_country_code_on_cellular_loss| |
| // setting to false. |
| mRevertCountryCodeOnCellularLoss = false; |
| createWifiCountryCode(); |
| |
| assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCode()); |
| sendCountryCodeChangedBroadcast(mTelephonyCountryCode); |
| assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCode()); |
| // Out of service. |
| sendCountryCodeChangedBroadcast(""); |
| assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCode()); |
| } |
| |
| /** |
| * Tests that we always use the US locale for converting the provided country code regardless |
| * of the system locale set. |
| */ |
| @Test |
| public void useUSLocaleForConversionToUpperCase() { |
| String oemCountryCodeLower = "us"; |
| String oemCountryCodeUpper = "US"; |
| String telephonyCountryCodeLower = "il"; |
| String telephonyCountryCodeUpper = "IL"; |
| |
| mDefaultCountryCode = oemCountryCodeLower; |
| createWifiCountryCode(); |
| |
| // Set the default locale to "tr" (Non US). |
| Locale.setDefault(new Locale("tr")); |
| |
| // Trigger a country code change using the OEM country code. |
| mWifiCountryCode.setReadyForChange(true); |
| verify(mWifiNative).setCountryCode(any(), eq(oemCountryCodeUpper)); |
| |
| // Now trigger a country code change using the telephony country code. |
| sendCountryCodeChangedBroadcast(telephonyCountryCodeLower); |
| verify(mWifiNative).setCountryCode(any(), eq(telephonyCountryCodeUpper)); |
| } |
| /** |
| * Verifies that dump() does not fail |
| */ |
| @Test |
| public void dumpDoesNotFail() { |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| |
| mRevertCountryCodeOnCellularLoss = false; |
| createWifiCountryCode(); |
| |
| mWifiCountryCode.dump(null, pw, null); |
| String dumpCountryCodeStr = sw.toString(); |
| |
| assertTrue(dumpCountryCodeStr.contains("mDriverCountryCode")); |
| assertTrue(dumpCountryCodeStr.contains("mTelephonyCountryCode")); |
| assertTrue(dumpCountryCodeStr.contains("mDefaultCountryCode")); |
| assertTrue(dumpCountryCodeStr.contains("mTelephonyCountryTimestamp")); |
| assertTrue(dumpCountryCodeStr.contains("mDriverCountryTimestamp")); |
| assertTrue(dumpCountryCodeStr.contains("mReadyTimestamp")); |
| assertTrue(dumpCountryCodeStr.contains("mReady")); |
| } |
| } |