/*
 * Copyright (C) 2019 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.wifi;

import static com.android.settings.wifi.WifiConfigController.DHCP_SPINNER_INDEX_SEND_DHCP_HOST_NAME_DISABLE;
import static com.android.settings.wifi.WifiConfigController2.DEFAULT_ANONYMOUS_ID;
import static com.android.settings.wifi.WifiConfigController2.WIFI_EAP_METHOD_SIM;

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

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.eq;
import static org.mockito.Mockito.mock;
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 static org.robolectric.Shadows.shadowOf;

import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.net.IpConfiguration;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiEnterpriseConfig;
import android.net.wifi.WifiEnterpriseConfig.Eap;
import android.net.wifi.WifiEnterpriseConfig.Phase2;
import android.net.wifi.WifiManager;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.TextView;

import com.android.settings.R;
import com.android.settings.network.SubscriptionUtil;
import com.android.settings.utils.AndroidKeystoreAliasLoader;
import com.android.settings.wifi.details2.WifiPrivacyPreferenceController;
import com.android.settings.wifi.details2.WifiPrivacyPreferenceController2;
import com.android.wifitrackerlib.WifiEntry;

import com.google.common.collect.ImmutableList;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.Shadows;
import org.robolectric.shadows.ShadowInputMethodManager;
import org.robolectric.shadows.ShadowSubscriptionManager;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;

@RunWith(RobolectricTestRunner.class)
public class WifiConfigController2Test {

    static final String WIFI_EAP_TLS_V1_3 = "TLS v1.3";

    @Mock
    private WifiConfigUiBase2 mConfigUiBase;
    @Mock
    private Context mContext;
    @Mock
    private WifiEntry mWifiEntry;
    @Mock
    private AndroidKeystoreAliasLoader mAndroidKeystoreAliasLoader;
    @Mock
    private WifiManager mWifiManager;
    @Mock
    Spinner mEapMethodSimSpinner;
    private View mView;
    private Spinner mHiddenSettingsSpinner;
    private Spinner mEapCaCertSpinner;
    private Spinner mEapUserCertSpinner;
    private String mUnspecifiedCertString;
    private String mUseSystemCertsString;
    private String mDoNotProvideEapUserCertString;
    private ShadowSubscriptionManager mShadowSubscriptionManager;

    public WifiConfigController2 mController;
    private static final String HEX_PSK = "01234567012345670123456701234567012345670123456701234567"
            + "01abcdef";
    // An invalid ASCII PSK pass phrase. It is 64 characters long, must not be greater than 63
    private static final String LONG_PSK =
            "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl";
    // An invalid PSK pass phrase. It is 7 characters long, must be at least 8
    private static final String SHORT_PSK = "abcdefg";
    // Valid PSK pass phrase
    private static final String GOOD_PSK = "abcdefghijklmnopqrstuvwxyz";
    private static final String GOOD_SSID = "abc";
    private static final String VALID_HEX_PSK =
            "123456789012345678901234567890123456789012345678901234567890abcd";
    private static final String INVALID_HEX_PSK =
            "123456789012345678901234567890123456789012345678901234567890ghij";
    private static final String NUMBER_AND_CHARACTER_KEY = "123456abcd";
    private static final String PARTIAL_NUMBER_AND_CHARACTER_KEY = "123456abc?";
    private static final int DHCP = 0;
    // Saved certificates
    private static final String SAVED_CA_CERT = "saved CA cert";
    private static final String SAVED_USER_CERT = "saved user cert";

    private static final int POSITION_SYSTEM_CERT = 1;
    private static final int POSITION_INSTALL_CERT = 2;
    private static final String ACTION_INSTALL_CERTS = "android.credentials.INSTALL";
    private static final String KEY_INSTALL_CERTIFICATE = "certificate_install_usage";
    private static final String INSTALL_CERTIFICATE_VALUE = "wifi";

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        mContext = spy(RuntimeEnvironment.application);
        when(mContext.getSystemService(eq(WifiManager.class))).thenReturn(mWifiManager);
        when(mWifiManager.isConnectedMacRandomizationSupported()).thenReturn(true);
        when(mConfigUiBase.getContext()).thenReturn(mContext);
        when(mWifiEntry.getSecurity()).thenReturn(WifiEntry.SECURITY_PSK);
        mView = LayoutInflater.from(mContext).inflate(R.layout.wifi_dialog, null);
        final Spinner ipSettingsSpinner = mView.findViewById(R.id.ip_settings);
        mHiddenSettingsSpinner = mView.findViewById(R.id.hidden_settings);
        mEapCaCertSpinner = mView.findViewById(R.id.ca_cert);
        mEapUserCertSpinner = mView.findViewById(R.id.user_cert);
        mUseSystemCertsString = mContext.getString(R.string.wifi_use_system_certs);
        mUnspecifiedCertString = mContext.getString(R.string.wifi_unspecified);
        mDoNotProvideEapUserCertString =
                mContext.getString(R.string.wifi_do_not_provide_eap_user_cert);
        ipSettingsSpinner.setSelection(DHCP);
        mShadowSubscriptionManager = shadowOf(mContext.getSystemService(SubscriptionManager.class));
        when(mEapMethodSimSpinner.getSelectedItemPosition()).thenReturn(WIFI_EAP_METHOD_SIM);
    }

    private void createController(
            WifiEntry mWifiEntry, int modeConnect, boolean hideMeteredAndPrivacy) {
        mController = new WifiConfigController2(mConfigUiBase, mView, mWifiEntry,
                modeConnect, hideMeteredAndPrivacy, mWifiManager, mAndroidKeystoreAliasLoader);
    }

    @Test
    public void ssidExceeds32Bytes_shouldShowSsidTooLongWarning() {
        createController(null, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView ssid = mView.findViewById(R.id.ssid);
        assertThat(ssid).isNotNull();
        ssid.setText("鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑鈽庘槑");
        mController.showWarningMessagesIfAppropriate();

        assertThat(mView.findViewById(R.id.ssid_too_long_warning).getVisibility())
                .isEqualTo(View.VISIBLE);
    }

    @Test
    public void ssidShorterThan32Bytes_shouldNotShowSsidTooLongWarning() {
        createController(null, WifiConfigUiBase2.MODE_CONNECT, false);

        final TextView ssid = mView.findViewById(R.id.ssid);
        assertThat(ssid).isNotNull();
        ssid.setText("123456789012345678901234567890");
        mController.showWarningMessagesIfAppropriate();

        assertThat(mView.findViewById(R.id.ssid_too_long_warning).getVisibility())
                .isEqualTo(View.GONE);

        ssid.setText("123");
        mController.showWarningMessagesIfAppropriate();

        assertThat(mView.findViewById(R.id.ssid_too_long_warning).getVisibility())
                .isEqualTo(View.GONE);
    }

    @Test
    public void isSubmittable_noSSID_shouldReturnFalse() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView ssid = mView.findViewById(R.id.ssid);
        assertThat(ssid).isNotNull();
        ssid.setText("");
        assertThat(mController.isSubmittable()).isFalse();
    }

    @Test
    public void isSubmittable_longPsk_shouldReturnFalse() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        assertThat(password).isNotNull();
        password.setText(LONG_PSK);
        assertThat(mController.isSubmittable()).isFalse();
    }

    @Test
    public void isSubmittable_shortPsk_shouldReturnFalse() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        assertThat(password).isNotNull();
        password.setText(SHORT_PSK);
        assertThat(mController.isSubmittable()).isFalse();
    }

    @Test
    public void isSubmittable_goodPsk_shouldReturnTrue() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        assertThat(password).isNotNull();
        password.setText(GOOD_PSK);
        assertThat(mController.isSubmittable()).isTrue();
    }

    @Test
    public void isSubmittable_hexPsk_shouldReturnTrue() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        assertThat(password).isNotNull();
        password.setText(HEX_PSK);
        assertThat(mController.isSubmittable()).isTrue();
    }

    @Test
    public void isSubmittable_savedConfigZeroLengthPassword_shouldReturnTrue() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        assertThat(password).isNotNull();
        password.setText("");
        when(mWifiEntry.isSaved()).thenReturn(true);
        assertThat(mController.isSubmittable()).isTrue();
    }

    @Test
    public void isSubmittable_nullWifiEntry_noException() {
        createController(null, WifiConfigUiBase2.MODE_CONNECT, false);
        mController.isSubmittable();
    }

    @Test
    public void isSubmittable_EapToPskWithValidPassword_shouldReturnTrue() {
        createController(null, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView ssid = mView.findViewById(R.id.ssid);
        final TextView password = mView.findViewById(R.id.password);
        final Spinner securitySpinner = mView.findViewById(R.id.security);
        assertThat(password).isNotNull();
        assertThat(securitySpinner).isNotNull();
        when(mWifiEntry.isSaved()).thenReturn(true);

        // Change it from EAP to PSK
        mController.onItemSelected(securitySpinner, null, WifiEntry.SECURITY_EAP, 0);
        mController.onItemSelected(securitySpinner, null, WifiEntry.SECURITY_PSK, 0);
        password.setText(GOOD_PSK);
        ssid.setText(GOOD_SSID);

        assertThat(mController.isSubmittable()).isTrue();
    }

    @Test
    public void isSubmittable_EapWithAkaMethod_shouldReturnTrue() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        when(mWifiEntry.isSaved()).thenReturn(true);
        mController.mWifiEntrySecurity = WifiEntry.SECURITY_EAP;
        mView.findViewById(R.id.l_ca_cert).setVisibility(View.GONE);

        assertThat(mController.isSubmittable()).isTrue();
    }

    @Test
    public void isSubmittable_caCertWithoutDomain_shouldReturnFalse() {
        when(mWifiEntry.getSecurity()).thenReturn(WifiEntry.SECURITY_EAP);
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        mView.findViewById(R.id.l_ca_cert).setVisibility(View.VISIBLE);
        final Spinner eapCaCertSpinner = mView.findViewById(R.id.ca_cert);
        eapCaCertSpinner.setAdapter(mController.getSpinnerAdapter(new String[]{"certificate"}));
        eapCaCertSpinner.setSelection(0);
        mView.findViewById(R.id.l_domain).setVisibility(View.VISIBLE);

        assertThat(mController.isSubmittable()).isFalse();
    }

    @Test
    public void isSubmittable_caCertWithDomain_shouldReturnTrue() {
        when(mWifiEntry.getSecurity()).thenReturn(WifiEntry.SECURITY_EAP);
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        mView.findViewById(R.id.l_ca_cert).setVisibility(View.VISIBLE);
        final Spinner eapCaCertSpinner = mView.findViewById(R.id.ca_cert);
        eapCaCertSpinner.setAdapter(mController.getSpinnerAdapter(new String[]{"certificate"}));
        eapCaCertSpinner.setSelection(0);
        mView.findViewById(R.id.l_domain).setVisibility(View.VISIBLE);
        ((TextView) mView.findViewById(R.id.domain)).setText("fakeDomain");

        assertThat(mController.isSubmittable()).isTrue();
    }

    @Test
    public void getSignalString_notReachable_shouldHaveNoSignalString() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        when(mWifiEntry.getLevel()).thenReturn(WifiEntry.WIFI_LEVEL_UNREACHABLE);

        assertThat(mController.getSignalString()).isNull();
    }

    @Test
    public void loadCertificates_undesiredCertificates_shouldNotLoadUndesiredCertificates() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final Spinner spinner = new Spinner(mContext);

        mController.loadCertificates(spinner,
                Arrays.asList(WifiConfigController.UNDESIRED_CERTIFICATES),
                "doNotProvideEapUserCertString",
                false /* showMultipleCerts */,
                false /* showUsePreinstalledCertOption */);

        assertThat(spinner.getAdapter().getCount()).isEqualTo(1);   // doNotProvideEapUserCertString
    }

    @Test
    public void ssidGetFocus_addNewNetwork_shouldReturnTrue() {
        createController(null, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView ssid = mView.findViewById(R.id.ssid);
        // Verify ssid text get focus when add new network (wifiEntry is null)
        assertThat(ssid.isFocused()).isTrue();
    }

    @Test
    public void passwordGetFocus_connectSecureWifi_shouldReturnTrue() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        // Verify password get focus when connect to secure wifi without eap type
        assertThat(password.isFocused()).isTrue();
    }

    @Test
    public void hiddenWarning_warningVisibilityProperlyUpdated() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        View warningView = mView.findViewById(R.id.hidden_settings_warning);
        mController.onItemSelected(mHiddenSettingsSpinner, null, mController.HIDDEN_NETWORK, 0);
        assertThat(warningView.getVisibility()).isEqualTo(View.VISIBLE);

        mController.onItemSelected(mHiddenSettingsSpinner, null, mController.NOT_HIDDEN_NETWORK, 0);
        assertThat(warningView.getVisibility()).isEqualTo(View.GONE);
    }

    @Test
    public void hiddenField_visibilityUpdatesCorrectly() {
        View hiddenField = mView.findViewById(R.id.hidden_settings_field);
        assertThat(hiddenField.getVisibility()).isEqualTo(View.GONE);

        createController(null, WifiConfigUiBase2.MODE_CONNECT, false);
        assertThat(hiddenField.getVisibility()).isEqualTo(View.VISIBLE);
    }

    @Test
    public void securitySpinner_saeSuitebAndOweNotVisible() {
        securitySpinnerTestHelper(false, false, false);
    }

    @Test
    public void securitySpinner_saeSuitebAndOweVisible() {
        securitySpinnerTestHelper(true, true, true);
    }

    @Test
    public void securitySpinner_saeVisible_suitebAndOweNotVisible() {
        securitySpinnerTestHelper(true, false, false);
    }

    @Test
    public void securitySpinner_oweVisible_suitebAndSaeNotVisible() {
        securitySpinnerTestHelper(false, false, true);
    }

    private void securitySpinnerTestHelper(boolean saeVisible, boolean suitebVisible,
            boolean oweVisible) {
        when(mWifiManager.isWpa3SaeSupported()).thenReturn(saeVisible);
        when(mWifiManager.isWpa3SuiteBSupported()).thenReturn(suitebVisible);
        when(mWifiManager.isEnhancedOpenSupported()).thenReturn(oweVisible);

        createController(null, WifiConfigUiBase2.MODE_MODIFY, false);

        final Spinner securitySpinner = mView.findViewById(R.id.security);
        final ArrayAdapter<String> adapter = (ArrayAdapter) securitySpinner.getAdapter();
        boolean saeFound = false;
        boolean suitebFound = false;
        boolean oweFound = false;
        for (int i = 0; i < adapter.getCount(); i++) {
            String val = adapter.getItem(i);

            if (val.compareTo(mContext.getString(
                    com.android.settingslib.R.string.wifi_security_sae)) == 0) {
                saeFound = true;
            }

            if (val.compareTo(mContext.getString(
                    com.android.settingslib.R.string.wifi_security_eap_suiteb)) == 0) {
                suitebFound = true;
            }

            if (val.compareTo(mContext.getString(
                    com.android.settingslib.R.string.wifi_security_owe)) == 0) {
                oweFound = true;
            }
        }

        if (saeVisible) {
            assertThat(saeFound).isTrue();
        } else {
            assertThat(saeFound).isFalse();
        }
        if (suitebVisible) {
            assertThat(suitebFound).isTrue();
        } else {
            assertThat(suitebFound).isFalse();
        }
        if (oweVisible) {
            assertThat(oweFound).isTrue();
        } else {
            assertThat(oweFound).isFalse();
        }
    }

    @Test
    public void whenHideMeteredAndPrivacy_shouldHideMetered() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, true);

        View view = mView.findViewById(R.id.metered_settings_fields);

        assertThat(view.getVisibility()).isEqualTo(View.GONE);
    }

    @Test
    public void whenHideMeteredAndPrivacy_shouldHidePrivacy() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, true);

        View view = mView.findViewById(R.id.privacy_settings_fields);

        assertThat(view.getVisibility()).isEqualTo(View.GONE);
    }

    @Test
    public void loadMacRandomizedValue_shouldPersistentAsDefault() {
        final Spinner privacySetting = mView.findViewById(R.id.privacy_settings);
        final int prefPersist =
                WifiPrivacyPreferenceController2.translateMacRandomizedValueToPrefValue(
                        WifiConfiguration.RANDOMIZATION_PERSISTENT);

        assertThat(privacySetting.getVisibility()).isEqualTo(View.VISIBLE);
        assertThat(privacySetting.getSelectedItemPosition()).isEqualTo(prefPersist);
    }

    @Test
    public void loadSavedMacRandomizedPersistentValue_shouldCorrectMacValue() {
        checkSavedMacRandomizedValue(WifiConfiguration.RANDOMIZATION_PERSISTENT);
    }

    @Test
    public void loadSavedMacRandomizedNoneValue_shouldCorrectMacValue() {
        checkSavedMacRandomizedValue(WifiConfiguration.RANDOMIZATION_NONE);
    }

    private void checkSavedMacRandomizedValue(int macRandomizedValue) {
        when(mWifiEntry.isSaved()).thenReturn(true);
        final WifiConfiguration mockWifiConfig = spy(new WifiConfiguration());
        when(mockWifiConfig.getIpConfiguration()).thenReturn(mock(IpConfiguration.class));
        when(mWifiEntry.getWifiConfiguration()).thenReturn(mockWifiConfig);
        mockWifiConfig.macRandomizationSetting = macRandomizedValue;
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);

        final Spinner privacySetting = mView.findViewById(R.id.privacy_settings);
        final int expectedPrefValue =
                WifiPrivacyPreferenceController2.translateMacRandomizedValueToPrefValue(
                        macRandomizedValue);

        assertThat(privacySetting.getVisibility()).isEqualTo(View.VISIBLE);
        assertThat(privacySetting.getSelectedItemPosition()).isEqualTo(expectedPrefValue);
    }

    @Test
    public void saveMacRandomizedValue_noChanged_shouldPersistentAsDefault() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        WifiConfiguration config = mController.getConfig();
        assertThat(config.macRandomizationSetting).isEqualTo(
                WifiConfiguration.RANDOMIZATION_PERSISTENT);
    }

    @Test
    public void saveMacRandomizedValue_ChangedToNone_shouldGetNone() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final Spinner privacySetting = mView.findViewById(R.id.privacy_settings);
        final int prefMacNone =
                WifiPrivacyPreferenceController2.translateMacRandomizedValueToPrefValue(
                        WifiConfiguration.RANDOMIZATION_NONE);
        privacySetting.setSelection(prefMacNone);

        WifiConfiguration config = mController.getConfig();
        assertThat(config.macRandomizationSetting).isEqualTo(WifiConfiguration.RANDOMIZATION_NONE);
    }

    @Test
    public void loadSavedDhcpValue_true() {
        checkSavedDhcpValue(true);
    }

    @Test
    public void loadSavedDhcpValue_false() {
        checkSavedDhcpValue(false);
    }

    private void checkSavedDhcpValue(boolean dhcpValue) {
        when(mWifiEntry.isSaved()).thenReturn(true);
        final WifiConfiguration mockWifiConfig = mock(WifiConfiguration.class);
        when(mockWifiConfig.getIpConfiguration()).thenReturn(mock(IpConfiguration.class));
        when(mockWifiConfig.isSendDhcpHostnameEnabled()).thenReturn(dhcpValue);
        when(mWifiEntry.getWifiConfiguration()).thenReturn(mockWifiConfig);
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final Spinner dhcpSetting = mView.findViewById(R.id.dhcp_settings);
        final int expectedPrefValue =
                WifiPrivacyPreferenceController.Companion
                        .translateSendDhcpHostnameEnabledToPrefValue(dhcpValue);

        assertThat(dhcpSetting.getVisibility()).isEqualTo(View.VISIBLE);
        assertThat(dhcpSetting.getSelectedItemPosition()).isEqualTo(expectedPrefValue);
    }

    @Test
    public void saveDhcpValue_changedToFalse() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final Spinner privacySetting = mView.findViewById(R.id.dhcp_settings);
        privacySetting.setSelection(DHCP_SPINNER_INDEX_SEND_DHCP_HOST_NAME_DISABLE);

        WifiConfiguration config = mController.getConfig();
        assertThat(config.isSendDhcpHostnameEnabled()).isEqualTo(false);
    }

    @Test
    public void replaceTtsString_whenTargetMatched_shouldSuccess() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final CharSequence[] display = {"PEAP", "AKA1", "AKA2'"};
        final CharSequence[] target = {"AKA1", "AKA2'"};
        final CharSequence[] ttsString = {"AKA1_TTS", "AKA2_TTS"};

        final CharSequence[] resultTts = mController.findAndReplaceTargetStrings(display, target,
            ttsString);

        assertThat(resultTts[0]).isEqualTo("PEAP");
        assertThat(resultTts[1]).isEqualTo("AKA1_TTS");
        assertThat(resultTts[2]).isEqualTo("AKA2_TTS");
    }

    @Test
    public void replaceTtsString_whenNoTargetStringMatched_originalStringShouldNotChanged() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final CharSequence[] display = {"PEAP", "AKA1", "AKA2"};
        final CharSequence[] target = {"WEP1", "WEP2'"};
        final CharSequence[] ttsString = {"WEP1_TTS", "WEP2_TTS"};

        final CharSequence[] resultTts = mController.findAndReplaceTargetStrings(display, target,
            ttsString);

        assertThat(resultTts[0]).isEqualTo("PEAP");
        assertThat(resultTts[1]).isEqualTo("AKA1");
        assertThat(resultTts[2]).isEqualTo("AKA2");
    }

    @Test
    public void checktEapMethodTargetAndTtsArraylength_shouldHaveSameCount() {
        final Resources resources = mContext.getResources();
        final String[] targetStringArray = resources.getStringArray(
            R.array.wifi_eap_method_target_strings);
        final String[] ttsStringArray = resources.getStringArray(
            R.array.wifi_eap_method_tts_strings);

        assertThat(targetStringArray.length).isEqualTo(ttsStringArray.length);
    }

    @Test
    public void selectSecurity_wpa3Eap192bit_eapMethodTls() {
        when(mWifiManager.isWpa3SuiteBSupported()).thenReturn(true);
        createController(null, WifiConfigUiBase2.MODE_MODIFY, false);
        final Spinner securitySpinner = mView.findViewById(R.id.security);
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        int wpa3Eap192bitPosition = -1;
        final int securityCount = mController.mSecurityInPosition.length;
        for (int i = 0; i < securityCount; i++) {
            if (mController.mSecurityInPosition[i] != null
                    && mController.mSecurityInPosition[i] == WifiEntry.SECURITY_EAP_SUITE_B) {
                wpa3Eap192bitPosition = i;
            }
        }

        mController.onItemSelected(securitySpinner, /* view */ null, wpa3Eap192bitPosition,
                /* id */ 0);

        final int selectedItemPosition = eapMethodSpinner.getSelectedItemPosition();
        assertThat(eapMethodSpinner.getSelectedItem().toString()).isEqualTo("TLS");
    }

    @Test
    public void checkImeStatus_whenAdvancedToggled_shouldBeHide() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final InputMethodManager inputMethodManager = mContext
                .getSystemService(InputMethodManager.class);
        final ShadowInputMethodManager shadowImm = Shadows.shadowOf(inputMethodManager);
        final CheckBox advButton = mView.findViewById(R.id.wifi_advanced_togglebox);

        inputMethodManager.showSoftInput(null /* view */, 0 /* flags */);
        advButton.performClick();

        assertThat(shadowImm.isSoftInputVisible()).isFalse();
    }

    @Test
    public void selectEapMethod_savedWifiEntry_shouldGetCorrectPosition() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        setUpModifyingSavedPeapConfigController();
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        final Spinner phase2Spinner = mView.findViewById(R.id.phase2);
        WifiConfiguration wifiConfiguration;

        // Test EAP method PEAP
        eapMethodSpinner.setSelection(Eap.PEAP);
        phase2Spinner.setSelection(WifiConfigController2.WIFI_PEAP_PHASE2_MSCHAPV2);
        wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getEapMethod()).isEqualTo(Eap.PEAP);
        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(
                Phase2.MSCHAPV2);

        // Test EAP method TTLS
        eapMethodSpinner.setSelection(Eap.TTLS);
        phase2Spinner.setSelection(WifiConfigController2.WIFI_TTLS_PHASE2_MSCHAPV2);
        wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getEapMethod()).isEqualTo(Eap.TTLS);
        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(
                Phase2.MSCHAPV2);
    }

    @Test
    public void getHiddenSettingsPosition_whenAdvancedToggled_shouldBeFirst() {
        final LinearLayout advancedFieldsLayout = mView.findViewById(R.id.wifi_advanced_fields);
        final LinearLayout hiddenSettingLayout = mView.findViewById(R.id.hidden_settings_field);

        final LinearLayout firstChild = (LinearLayout) advancedFieldsLayout.getChildAt(0);

        assertThat(firstChild).isEqualTo(hiddenSettingLayout);
    }

    @Test
    public void getAdvancedOptionContentDescription_whenViewInitialed_shouldBeCorrect() {
        final CheckBox advButton = mView.findViewById(R.id.wifi_advanced_togglebox);

        assertThat(advButton.getContentDescription()).isEqualTo(
                mContext.getString(R.string.wifi_advanced_toggle_description));
    }

    @Test
    public void getWepConfig_withNumberAndCharacterKey_shouldContainTheSameKey() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        password.setText(NUMBER_AND_CHARACTER_KEY);
        mController.mWifiEntrySecurity = WifiEntry.SECURITY_WEP;

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.wepKeys[0]).isEqualTo(NUMBER_AND_CHARACTER_KEY);
    }

    @Test
    public void getWepConfig_withPartialNumberAndCharacterKey_shouldContainDifferentKey() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        password.setText(PARTIAL_NUMBER_AND_CHARACTER_KEY);
        mController.mWifiEntrySecurity = WifiEntry.SECURITY_WEP;

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.wepKeys[0]).isNotEqualTo(PARTIAL_NUMBER_AND_CHARACTER_KEY);
    }

    @Test
    public void getPskConfig_withValidHexKey_shouldContainTheSameKey() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        password.setText(VALID_HEX_PSK);
        mController.mWifiEntrySecurity = WifiEntry.SECURITY_PSK;

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.preSharedKey).isEqualTo(VALID_HEX_PSK);
    }

    @Test
    public void getPskConfig_withInvalidHexKey_shouldContainDifferentKey() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        final TextView password = mView.findViewById(R.id.password);
        password.setText(INVALID_HEX_PSK);
        mController.mWifiEntrySecurity = WifiEntry.SECURITY_PSK;

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.preSharedKey).isNotEqualTo(INVALID_HEX_PSK);
    }

    @Test
    public void getEapConfig_withPhase2Gtc_shouldContainGtcMethod() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        setUpModifyingSavedPeapConfigController();

        // Test EAP method PEAP
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        eapMethodSpinner.setSelection(Eap.PEAP);

        // Test phase2 GTC
        final Spinner phase2Spinner = mView.findViewById(R.id.phase2);
        phase2Spinner.setSelection(WifiConfigController2.WIFI_PEAP_PHASE2_GTC);

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(Phase2.GTC);
    }

    @Test
    public void getEapConfig_withPhase2Sim_shouldContainSimMethod() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        setUpModifyingSavedPeapConfigController();

        // Test EAP method PEAP
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        eapMethodSpinner.setSelection(Eap.PEAP);

        // Test phase2 SIM
        final Spinner phase2Spinner = mView.findViewById(R.id.phase2);
        phase2Spinner.setSelection(WifiConfigController2.WIFI_PEAP_PHASE2_SIM);

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(Phase2.SIM);
    }

    @Test
    public void getEapConfig_withPhase2Aka_shouldContainAkaMethod() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        setUpModifyingSavedPeapConfigController();

        // Test EAP method PEAP
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        eapMethodSpinner.setSelection(Eap.PEAP);

        // Test phase2 AKA
        final Spinner phase2Spinner = mView.findViewById(R.id.phase2);
        phase2Spinner.setSelection(WifiConfigController2.WIFI_PEAP_PHASE2_AKA);

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(Phase2.AKA);
    }

    @Test
    public void getEapConfig_withPhase2AkaPrime_shouldContainAkaPrimeMethod() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        setUpModifyingSavedPeapConfigController();

        // Test EAP method PEAP
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        eapMethodSpinner.setSelection(Eap.PEAP);

        // Test phase2 AKA PRIME
        final Spinner phase2Spinner = mView.findViewById(R.id.phase2);
        phase2Spinner.setSelection(WifiConfigController2.WIFI_PEAP_PHASE2_AKA_PRIME);

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(
                Phase2.AKA_PRIME);
    }

    @Test
    public void getEapConfig_withPeapPhase2Unknown_shouldContainNoneMethod() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        setUpModifyingSavedPeapConfigController();

        // Test EAP method PEAP
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        eapMethodSpinner.setSelection(Eap.PEAP);

        // Test phase2 Unknown
        final Spinner phase2Spinner = mView.findViewById(R.id.phase2);
        phase2Spinner.setSelection(-1);

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(Phase2.NONE);
    }

    @Test
    public void getEapConfig_withTTLSPhase2Pap_shouldContainPapMethod() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        setUpModifyingSavedPeapConfigController();

        // Test EAP method TTLS
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        eapMethodSpinner.setSelection(Eap.TTLS);

        // Test phase2 PAP
        final Spinner phase2Spinner = mView.findViewById(R.id.phase2);
        phase2Spinner.setSelection(WifiConfigController2.WIFI_TTLS_PHASE2_PAP);

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(Phase2.PAP);
    }

    @Test
    public void getEapConfig_withTTLSPhase2Mschap_shouldContainMschapMethod() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        setUpModifyingSavedPeapConfigController();

        // Test EAP method TTLS
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        eapMethodSpinner.setSelection(Eap.TTLS);

        // Test phase2 MSCHAP
        final Spinner phase2Spinner = mView.findViewById(R.id.phase2);
        phase2Spinner.setSelection(WifiConfigController2.WIFI_TTLS_PHASE2_MSCHAP);

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(Phase2.MSCHAP);
    }

    @Test
    public void getEapConfig_withTTLSPhase2Gtc_shouldContainGtcMethod() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        setUpModifyingSavedPeapConfigController();

        // Test EAP method TTLS
        final Spinner eapMethodSpinner = mView.findViewById(R.id.method);
        eapMethodSpinner.setSelection(Eap.TTLS);

        // Test phase2 GTC
        final Spinner phase2Spinner = mView.findViewById(R.id.phase2);
        phase2Spinner.setSelection(WifiConfigController2.WIFI_TTLS_PHASE2_GTC);

        WifiConfiguration wifiConfiguration = mController.getConfig();

        assertThat(wifiConfiguration.enterpriseConfig.getPhase2Method()).isEqualTo(Phase2.GTC);
    }

    private void setUpModifyingSavedPeapConfigController() {
        when(mWifiEntry.isSaved()).thenReturn(true);
        when(mWifiEntry.getSecurity()).thenReturn(WifiEntry.SECURITY_EAP);
        final WifiConfiguration mockWifiConfig = spy(new WifiConfiguration());
        mockWifiConfig.setSecurityParams(WifiConfiguration.SECURITY_TYPE_EAP);
        when(mockWifiConfig.getIpConfiguration()).thenReturn(mock(IpConfiguration.class));
        final WifiEnterpriseConfig mockWifiEnterpriseConfig = spy(new WifiEnterpriseConfig());
        when(mockWifiEnterpriseConfig.getEapMethod()).thenReturn(Eap.PEAP);
        mockWifiConfig.enterpriseConfig = mockWifiEnterpriseConfig;
        when(mWifiEntry.getWifiConfiguration()).thenReturn(mockWifiConfig);
        createController(mWifiEntry, WifiConfigUiBase2.MODE_MODIFY, false);
    }

    @Test
    public void loadSims_noSim_simSpinnerDefaultNoSim() {
        when(mWifiEntry.getSecurity()).thenReturn(WifiEntry.SECURITY_EAP);
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        mController.mEapMethodSpinner = mEapMethodSimSpinner;

        mController.loadSims();

        final WifiConfiguration wifiConfiguration = mController.getConfig();
        assertThat(wifiConfiguration.carrierId).isEqualTo(TelephonyManager.UNKNOWN_CARRIER_ID);
    }

    @Test
    public void loadSims_oneSim_simSpinnerDefaultSubscription() {
        when(mWifiEntry.getSecurity()).thenReturn(WifiEntry.SECURITY_EAP);
        final SubscriptionInfo subscriptionInfo = mock(SubscriptionInfo.class);
        final int carrierId = 6;
        when(subscriptionInfo.getSubscriptionId()).thenReturn(carrierId);
        when(subscriptionInfo.getDisplayName()).thenReturn("FAKE-CARRIER");
        when(subscriptionInfo.getCarrierId()).thenReturn(carrierId);
        when(subscriptionInfo.getCarrierName()).thenReturn("FAKE-CARRIER");
        SubscriptionUtil.setAvailableSubscriptionsForTesting(Arrays.asList(subscriptionInfo));
        mShadowSubscriptionManager.setActiveSubscriptionInfoList(Arrays.asList(subscriptionInfo));
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        mController.mEapMethodSpinner = mEapMethodSimSpinner;

        mController.loadSims();

        final WifiConfiguration wifiConfiguration = mController.getConfig();
        assertThat(wifiConfiguration.carrierId).isEqualTo(carrierId);
    }

    @Test
    public void loadSims_twoSimsWithDifferentCarrierId_showTwoSims() {
        SubscriptionInfo sub1 = createMockSubscription(1, "sub1", 8888);
        SubscriptionInfo sub2 = createMockSubscription(2, "sub2", 9999);
        SubscriptionUtil.setAvailableSubscriptionsForTesting(Arrays.asList(sub1, sub2));
        mShadowSubscriptionManager.setActiveSubscriptionInfoList(Arrays.asList(sub1, sub2));
        when(mWifiEntry.getSecurity()).thenReturn(WifiEntry.SECURITY_EAP);
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        mController.mEapMethodSpinner = mEapMethodSimSpinner;
        ShadowSubscriptionManager.setDefaultDataSubscriptionId(1);

        mController.loadSims();

        assertThat(mController.mEapSimSpinner.getAdapter().getCount()).isEqualTo(2);
    }

    @Test
    public void loadSims_twoSimsWithSameCarrierId_showOneDefaultDataSim() {
        SubscriptionInfo sub1 = createMockSubscription(1, "sub1", 9999);
        SubscriptionInfo sub2 = createMockSubscription(2, "sub2", 9999);
        SubscriptionUtil.setAvailableSubscriptionsForTesting(Arrays.asList(sub1, sub2));
        mShadowSubscriptionManager.setActiveSubscriptionInfoList(Arrays.asList(sub1, sub2));
        when(mWifiEntry.getSecurity()).thenReturn(WifiEntry.SECURITY_EAP);
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        mController.mEapMethodSpinner = mEapMethodSimSpinner;
        ShadowSubscriptionManager.setDefaultDataSubscriptionId(1);

        mController.loadSims();

        assertThat(mController.mEapSimSpinner.getAdapter().getCount()).isEqualTo(1);
        assertThat(mController.mEapSimSpinner.getSelectedItem().toString()).isEqualTo("sub1");

        ShadowSubscriptionManager.setDefaultDataSubscriptionId(2);

        mController.loadSims();

        assertThat(mController.mEapSimSpinner.getAdapter().getCount()).isEqualTo(1);
        assertThat(mController.mEapSimSpinner.getSelectedItem().toString()).isEqualTo("sub2");
    }

    @Test
    public void loadCaCertificateValue_shouldPersistentAsDefault() {
        setUpModifyingSavedCertificateConfigController(null, null);

        mEapCaCertSpinner.setSelection(POSITION_SYSTEM_CERT);
        assertThat(mEapCaCertSpinner.getSelectedItem()).isEqualTo(mUseSystemCertsString);
    }

    @Test
    public void onItemSelected_shouldPersistentInstallCertsAndStartInstallActivity() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        String installCertsString = "install_certs";
        Spinner eapCaCertSpinner = mock(Spinner.class);
        AdapterView view = mock(AdapterView.class);
        when(eapCaCertSpinner.getItemAtPosition(anyInt())).thenReturn(view);
        when(view.toString()).thenReturn(installCertsString);
        mController.mInstallCertsString = installCertsString;
        mController.mEapCaCertSpinner = eapCaCertSpinner;

        mController.onItemSelected(eapCaCertSpinner, null, POSITION_INSTALL_CERT, 0);

        final ArgumentCaptor<Intent> argumentCaptor = ArgumentCaptor.forClass(Intent.class);
        verify(mContext).startActivity(argumentCaptor.capture());
        final Intent intent = argumentCaptor.getValue();
        assertThat(intent.getAction()).isEqualTo(ACTION_INSTALL_CERTS);
        assertThat(intent.getExtra(KEY_INSTALL_CERTIFICATE, ""))
                .isEqualTo(INSTALL_CERTIFICATE_VALUE);
    }

    @Test
    public void loadSavedCaCertificateValue_shouldBeCorrectValue() {
        setUpModifyingSavedCertificateConfigController(SAVED_CA_CERT, null);

        assertThat(mEapCaCertSpinner.getSelectedItem()).isEqualTo(SAVED_CA_CERT);
    }

    @Test
    public void loadUserCertificateValue_shouldPersistentAsDefault() {
        setUpModifyingSavedCertificateConfigController(null, null);

        assertThat(mEapUserCertSpinner.getSelectedItem()).isEqualTo(mDoNotProvideEapUserCertString);
    }

    @Test
    public void loadSavedUserCertificateValue_shouldBeCorrectValue() {
        setUpModifyingSavedCertificateConfigController(null, SAVED_USER_CERT);

        assertThat(mEapUserCertSpinner.getSelectedItem()).isEqualTo(SAVED_USER_CERT);
    }

    @Test
    public void getEapMinTlsVerSpinner_isTlsV13Supported_containsTlsV13() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        Spinner spinner = mController.getEapMinTlsVerSpinner(true /* isTlsV13Supported */);

        List<Object> list = IntStream.range(0, spinner.getAdapter().getCount())
                .mapToObj(spinner.getAdapter()::getItem)
                .collect(Collectors.toList());
        assertThat(list).contains(WIFI_EAP_TLS_V1_3);
    }

    @Test
    public void getEapMinTlsVerSpinner_isNotTlsV13Supported_doesNotContainTlsV13() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        Spinner spinner = mController.getEapMinTlsVerSpinner(false /* isTlsV13Supported */);

        List<Object> list = IntStream.range(0, spinner.getAdapter().getCount())
                .mapToObj(spinner.getAdapter()::getItem)
                .collect(Collectors.toList());
        assertThat(list).doesNotContain(WIFI_EAP_TLS_V1_3);
    }

    @Test
    public void setAnonymousIdVisible_showAnonymousIdAndSetDefaultId() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        View anonymousLayout = mView.findViewById(R.id.l_anonymous);
        TextView anonymousId = mView.findViewById(R.id.anonymous);
        mController.mEapAnonymousView = anonymousId;
        anonymousLayout.setVisibility(View.GONE);
        anonymousId.setText("");

        mController.setAnonymousIdVisible();

        assertThat(anonymousLayout.getVisibility()).isEqualTo(View.VISIBLE);
        assertThat(anonymousId.getText().toString()).isEqualTo(DEFAULT_ANONYMOUS_ID);
    }

    @Test
    public void setAnonymousIdVisible_viewIsVisible_doNotSetText() {
        createController(mWifiEntry, WifiConfigUiBase2.MODE_CONNECT, false);
        View anonymousLayout = mView.findViewById(R.id.l_anonymous);
        mController.mEapAnonymousView = mock(TextView.class);
        anonymousLayout.setVisibility(View.VISIBLE);

        mController.setAnonymousIdVisible();

        verify(mController.mEapAnonymousView, never()).setText(any(String.class));
    }

    private void setUpModifyingSavedCertificateConfigController(String savedCaCertificate,
            String savedUserCertificate) {
        final WifiConfiguration mockWifiConfig = spy(new WifiConfiguration());
        final WifiEnterpriseConfig mockWifiEnterpriseConfig = spy(new WifiEnterpriseConfig());

        mockWifiConfig.enterpriseConfig = mockWifiEnterpriseConfig;
        when(mWifiEntry.isSaved()).thenReturn(true);
        when(mWifiEntry.getSecurity()).thenReturn(WifiEntry.SECURITY_EAP);
        when(mWifiEntry.getWifiConfiguration()).thenReturn(mockWifiConfig);
        when(mockWifiConfig.getIpConfiguration()).thenReturn(mock(IpConfiguration.class));
        when(mockWifiEnterpriseConfig.getEapMethod()).thenReturn(Eap.TLS);
        if (savedCaCertificate != null) {
            String[] savedCaCertificates = new String[]{savedCaCertificate};
            when(mockWifiEnterpriseConfig.getCaCertificateAliases())
                    .thenReturn(savedCaCertificates);
            when(mAndroidKeystoreAliasLoader.getCaCertAliases())
                    .thenReturn(ImmutableList.of(savedCaCertificate));
        }
        if (savedUserCertificate != null) {
            String[] savedUserCertificates = new String[]{savedUserCertificate};
            when(mockWifiEnterpriseConfig.getClientCertificateAlias())
                    .thenReturn(savedUserCertificate);
            when(mAndroidKeystoreAliasLoader.getKeyCertAliases())
                    .thenReturn(ImmutableList.of(savedUserCertificate));
        }

        createController(mWifiEntry, WifiConfigUiBase2.MODE_MODIFY, false);

        //  Because Robolectric has a different behavior from normal flow.
        //
        //  Normal flow:
        //    showSecurityFields start -> mEapMethodSpinner.setSelection
        //        -> showSecurityFields end -> mController.onItemSelected
        //
        //  Robolectric flow:
        //    showSecurityFields start -> mEapMethodSpinner.setSelection
        //        -> mController.onItemSelected -> showSecurityFields end
        //
        //  We need to add a redundant mEapMethodSpinner.setSelection here to verify whether the
        //  certificates are covered by mController.onItemSelected after showSecurityFields end.
        mController.mEapMethodSpinner.setSelection(Eap.TLS);
    }

    private SubscriptionInfo createMockSubscription(int subId, String displayName, int carrierId) {
        SubscriptionInfo sub = mock(SubscriptionInfo.class);
        when(sub.getSubscriptionId()).thenReturn(subId);
        when(sub.getDisplayName()).thenReturn(displayName);
        when(sub.getCarrierId()).thenReturn(carrierId);
        return sub;
    }
}