Merge "Introduce LocalBackupPasswordPreferenceController"

            Activity activity, Lifecycle lifecycle, DevelopmentSettingsDashboardFragment fragment) {

        final List<AbstractPreferenceController> controllers = new ArrayList<>();

        // take bug report

        // desktop backup password

        controllers.add(new LocalBackupPasswordPreferenceController(context));

        controllers.add(new StayAwakePreferenceController(context, lifecycle));

        // hdcp checking

        controllers.add(new BluetoothSnoopLogPreferenceController(context));

/*

 * Copyright (C) 2017 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.development;

import android.app.backup.IBackupManager;

import android.content.Context;

import android.os.RemoteException;

import android.os.ServiceManager;

import android.os.UserManager;

import android.support.annotation.VisibleForTesting;

import android.support.v7.preference.Preference;

import android.support.v7.preference.PreferenceScreen;

import com.android.settings.R;

public class LocalBackupPasswordPreferenceController extends DeveloperOptionsPreferenceController {

    private static final String LOCAL_BACKUP_PASSWORD = "local_backup_password";

    private final UserManager mUserManager;

    private final IBackupManager mBackupManager;

    public LocalBackupPasswordPreferenceController(Context context) {

        super(context);

        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);

        mBackupManager = IBackupManager.Stub.asInterface(

                ServiceManager.getService(Context.BACKUP_SERVICE));

    }

    @Override

    public String getPreferenceKey() {

        return LOCAL_BACKUP_PASSWORD;

    }

    @Override

    public void updateState(Preference preference) {

        updatePasswordSummary(preference);

    }

    @Override

    protected void onDeveloperOptionsSwitchEnabled() {

        // intentional no-op

    }

    @Override

    protected void onDeveloperOptionsSwitchDisabled() {

        // intentional no-op

    }

    private void updatePasswordSummary(Preference preference) {

        preference.setEnabled(isAdminUser() && mBackupManager != null);

        if (mBackupManager == null) {

            return;

        }

        try {

            if (mBackupManager.hasBackupPassword()) {

                preference.setSummary(R.string.local_backup_password_summary_change);

            } else {

                preference.setSummary(R.string.local_backup_password_summary_none);

            }

        } catch (RemoteException e) {

            // Not much we can do here

        }

    }

    @VisibleForTesting

    boolean isAdminUser() {

        return mUserManager.isAdminUser();

    }

}

package com.android.settings.development;

import static org.mockito.ArgumentMatchers.any;

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.app.backup.IBackupManager;

import android.content.Context;

import android.os.RemoteException;

import android.os.UserManager;

import android.support.v7.preference.Preference;

import android.support.v7.preference.PreferenceScreen;

import com.android.settings.R;

import com.android.settings.TestConfig;

import com.android.settings.testutils.SettingsRobolectricTestRunner;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

import org.robolectric.RuntimeEnvironment;

import org.robolectric.annotation.Config;

import org.robolectric.util.ReflectionHelpers;

@RunWith(SettingsRobolectricTestRunner.class)

@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)

public class LocalBackupPasswordPreferenceControllerTest {

    @Mock

    private Preference mPreference;

    @Mock

    private PreferenceScreen mScreen;

    @Mock

    private UserManager mUserManager;

    @Mock

    private IBackupManager mBackupManager;

    private Context mContext;

    private LocalBackupPasswordPreferenceController mController;

    @Before

    public void setup() {

        MockitoAnnotations.initMocks(this);

        mContext = RuntimeEnvironment.application;

        mController = spy(new LocalBackupPasswordPreferenceController(mContext));

        ReflectionHelpers.setField(mController, "mUserManager", mUserManager);

        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(

                mPreference);

    }

    @Test

    public void updateState_hasBackupPassword_preferenceShouldHavePasswordSetSummary()

            throws RemoteException {

        ReflectionHelpers.setField(mController, "mBackupManager", mBackupManager);

        doReturn(true).when(mController).isAdminUser();

        when(mBackupManager.hasBackupPassword()).thenReturn(true);

        mController.displayPreference(mScreen);

        mController.updateState(mPreference);

        verify(mPreference).setSummary(R.string.local_backup_password_summary_change);

    }

    @Test

    public void updateState_noBackupPassword_preferenceShouldHaveNoPasswordSetSummary()

            throws RemoteException {

        ReflectionHelpers.setField(mController, "mBackupManager", mBackupManager);

        doReturn(true).when(mController).isAdminUser();

        when(mBackupManager.hasBackupPassword()).thenReturn(false);

        mController.displayPreference(mScreen);

        mController.updateState(mPreference);

        verify(mPreference).setSummary(R.string.local_backup_password_summary_none);

    }

    @Test

    public void updateState_backupManagerIsNull_shouldDisablePreference() throws RemoteException {

        ReflectionHelpers.setField(mController, "mBackupManager", null);

        doReturn(true).when(mController).isAdminUser();

        when(mBackupManager.hasBackupPassword()).thenReturn(true);

        mController.displayPreference(mScreen);

        mController.updateState(mPreference);

        verify(mPreference).setEnabled(false);

        verify(mPreference, never()).setSummary(any());

    }

    @Test

    public void updateState_backupManagerIsNotNullAndNotAdminUser_shouldDisablePreference()

            throws RemoteException {

        ReflectionHelpers.setField(mController, "mBackupManager", mBackupManager);

        doReturn(false).when(mController).isAdminUser();

        when(mBackupManager.hasBackupPassword()).thenReturn(true);

        mController.updateState(mPreference);

        verify(mPreference).setEnabled(false);

        verify(mPreference, never()).setSummary(any());

    }

    @Test

    public void updateState_backupManagerIsNotNullAndAdminUser_shouldEnablePreference()

            throws RemoteException {

        ReflectionHelpers.setField(mController, "mBackupManager", mBackupManager);

        doReturn(true).when(mController).isAdminUser();

        when(mBackupManager.hasBackupPassword()).thenReturn(true);

        mController.updateState(mPreference);

        verify(mPreference).setEnabled(true);

        verify(mPreference, never()).setSummary(any());

    }

}