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/*
* 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.assertEquals;
import static org.mockito.Mockito.anyString;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.test.suitebuilder.annotation.SmallTest;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
/**
* Unit tests for {@link com.android.server.wifi.WifiCountryCode}.
*/
@SmallTest
public class WifiCountryCodeTest {
private static final String TAG = "WifiCountryCodeTest";
private String mDefaultCountryCode = "US";
private String mTelephonyCountryCode = "JP";
private boolean mRevertCountryCodeOnCellularLoss = true;
@Mock WifiNative mWifiNative;
private WifiCountryCode mWifiCountryCode;
/**
* Setup test.
*/
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
when(mWifiNative.setCountryCode(anyString())).thenReturn(true);
mWifiCountryCode = new WifiCountryCode(
mWifiNative,
mDefaultCountryCode,
mRevertCountryCodeOnCellularLoss);
}
/**
* 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(anyString());
assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
}
/**
* Test if we receive country code from Telephony before supplicant starts.
* @throws Exception
*/
@Test
public void useTelephonyCountryCode() throws Exception {
mWifiCountryCode.setCountryCode(mTelephonyCountryCode);
assertEquals(null, mWifiCountryCode.getCountryCodeSentToDriver());
// Supplicant started.
mWifiCountryCode.setReadyForChange(true);
// Wifi get L2 connected.
mWifiCountryCode.setReadyForChange(false);
verify(mWifiNative).setCountryCode(anyString());
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
}
/**
* Test if we receive country code from Telephony after supplicant starts.
* @throws Exception
*/
@Test
public void setTelephonyCountryCodeAfterSupplicantStarts() throws Exception {
// Supplicant starts.
mWifiCountryCode.setReadyForChange(true);
assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
// Telephony country code arrives.
mWifiCountryCode.setCountryCode(mTelephonyCountryCode);
// Wifi get L2 connected.
mWifiCountryCode.setReadyForChange(false);
verify(mWifiNative, times(2)).setCountryCode(anyString());
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
}
/**
* Test if we receive country code from Telephony after we get L2 connected.
* @throws Exception
*/
@Test
public void setTelephonyCountryCodeAfterL2Connected() throws Exception {
// Supplicant starts.
mWifiCountryCode.setReadyForChange(true);
// Wifi get L2 connected.
mWifiCountryCode.setReadyForChange(false);
// Telephony country code arrives.
mWifiCountryCode.setCountryCode(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(anyString());
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
}
/**
* Test if we can reset the country code upon sim card is removed.
* @throws Exception
*/
@Test
public void resetCountryCodeWhenSIMCardRemoved() throws Exception {
mWifiCountryCode.setCountryCode(mTelephonyCountryCode);
// Supplicant started.
mWifiCountryCode.setReadyForChange(true);
// Wifi get L2 connected.
mWifiCountryCode.setReadyForChange(false);
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
// SIM card is removed.
mWifiCountryCode.simCardRemoved();
// Country code restting is not applied yet.
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
mWifiCountryCode.setReadyForChange(true);
// Country code restting is applied when supplicant is ready.
verify(mWifiNative, times(2)).setCountryCode(anyString());
assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
}
/**
* Test if we can reset the country code upon airplane mode is enabled.
* @throws Exception
*/
@Test
public void resetCountryCodeWhenAirplaneModeEnabled() throws Exception {
mWifiCountryCode.setCountryCode(mTelephonyCountryCode);
// Supplicant started.
mWifiCountryCode.setReadyForChange(true);
// Wifi get L2 connected.
mWifiCountryCode.setReadyForChange(false);
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
// Airplane mode is enabled.
mWifiCountryCode.simCardRemoved();
// Country code restting is not applied yet.
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCodeSentToDriver());
mWifiCountryCode.setReadyForChange(true);
// Country code restting is applied when supplicant is ready.
verify(mWifiNative, times(2)).setCountryCode(anyString());
assertEquals(mDefaultCountryCode, 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());
mWifiCountryCode.setCountryCode(mTelephonyCountryCode);
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCode());
// Out of service.
mWifiCountryCode.setCountryCode("");
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.
mWifiCountryCode = new WifiCountryCode(
mWifiNative,
mDefaultCountryCode,
false /* config_wifi_revert_country_code_on_cellular_loss */);
assertEquals(mDefaultCountryCode, mWifiCountryCode.getCountryCode());
mWifiCountryCode.setCountryCode(mTelephonyCountryCode);
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCode());
// Out of service.
mWifiCountryCode.setCountryCode("");
assertEquals(mTelephonyCountryCode, mWifiCountryCode.getCountryCode());
}
}
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