tests: Add first AdapterServiceTests

/*

 * Copyright 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.bluetooth.btservice;

import static org.mockito.ArgumentMatchers.any;

import static org.mockito.Matchers.anyInt;

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.timeout;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.app.AlarmManager;

import android.bluetooth.BluetoothAdapter;

import android.content.Context;

import android.content.pm.ApplicationInfo;

import android.content.pm.PackageManager;

import android.content.res.Resources;

import android.os.Looper;

import android.os.PowerManager;

import android.os.Process;

import android.os.UserManager;

import android.support.test.InstrumentationRegistry;

import android.support.test.filters.MediumTest;

import android.support.test.runner.AndroidJUnit4;

import android.test.mock.MockContentResolver;

import com.android.bluetooth.R;

import com.android.bluetooth.gatt.GattService;

import com.android.bluetooth.pan.PanService;

import com.android.bluetooth.pbap.BluetoothPbapService;

import org.junit.After;

import org.junit.Assert;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

@MediumTest

@RunWith(AndroidJUnit4.class)

public class AdapterServiceTest {

    private void milliSleep(int millis) {

        try {

            Thread.sleep(millis);

        } catch (Exception e) {

            //Ignore the exception

        }

    }

    private AdapterService mAdapterService;

    private @Mock Context mMockContext;

    private @Mock ApplicationInfo mMockApplicationInfo;

    private @Mock AlarmManager mMockAlarmManager;

    private @Mock Resources mMockResources;

    private @Mock UserManager mMockUserManager;

    private static final int CONTEXT_SWITCH_MS = 100;

    private static final int ONE_SECOND_MS = 1000;

    private static final int NATIVE_INIT_MS = 8000;

    @Before

    public void setUp() {

        if (Looper.myLooper() == null) {

            Looper.prepare();

        }

        Assert.assertNotNull(Looper.myLooper());

        InstrumentationRegistry.getInstrumentation().runOnMainSync(new Runnable() {

            @Override

            public void run() {

                mAdapterService = new AdapterService();

            }

        });

        PackageManager mMockPackageManager = mock(PackageManager.class);

        MockContentResolver mMockContentResolver = new MockContentResolver(mMockContext);

        MockitoAnnotations.initMocks(this);

        PowerManager mPowerManager = (PowerManager) InstrumentationRegistry.getContext()

                .getSystemService(Context.POWER_SERVICE);

        when(mMockContext.getApplicationInfo()).thenReturn(mMockApplicationInfo);

        when(mMockContext.getContentResolver()).thenReturn(mMockContentResolver);

        when(mMockContext.getApplicationContext()).thenReturn(mMockContext);

        when(mMockContext.getResources()).thenReturn(mMockResources);

        when(mMockContext.getUserId()).thenReturn(Process.BLUETOOTH_UID);

        when(mMockContext.getPackageManager()).thenReturn(mMockPackageManager);

        when(mMockContext.getSystemService(Context.USER_SERVICE)).thenReturn(mMockUserManager);

        when(mMockContext.getSystemService(Context.POWER_SERVICE)).thenReturn(mPowerManager);

        when(mMockContext.getSystemService(Context.ALARM_SERVICE)).thenReturn(mMockAlarmManager);

        when(mMockResources.getBoolean(R.bool.profile_supported_gatt)).thenReturn(true);

        when(mMockResources.getBoolean(R.bool.profile_supported_pbap)).thenReturn(true);

        when(mMockResources.getBoolean(R.bool.profile_supported_pan)).thenReturn(true);

        try {

            doReturn(Process.BLUETOOTH_UID).when(mMockPackageManager).getPackageUidAsUser(any(),

                    anyInt(), anyInt());

        } catch (Exception e) {

            //Ignore the exception

        }

        // Attach a context to the service for permission checks.

        mAdapterService.attach(mMockContext, null, null, null, null, null);

        mAdapterService.onCreate();

        Config.init(mMockContext);

    }

    @After

    public void tearDown() {

        mAdapterService.finalize();

    }

    /**

     * Test: Turn Bluetooth on.

     * Check whether the AdapterService gets started.

     */

    @Test

    public void testEnable() {

        Assert.assertFalse(mAdapterService.isEnabled());

        mAdapterService.enable();

        // Start GATT

        verify(mMockContext, timeout(CONTEXT_SWITCH_MS).times(1)).startService(any());

        milliSleep(CONTEXT_SWITCH_MS);

        mAdapterService.onProfileServiceStateChanged(GattService.class.getName(),

                BluetoothAdapter.STATE_ON);

        // Wait for the native initialization (remove when refactored)

        milliSleep(NATIVE_INIT_MS);

        mAdapterService.onLeServiceUp();

        milliSleep(ONE_SECOND_MS);

        // Start PBAP and PAN

        verify(mMockContext, timeout(ONE_SECOND_MS).times(3)).startService(any());

        mAdapterService.onProfileServiceStateChanged(PanService.class.getName(),

                BluetoothAdapter.STATE_ON);

        mAdapterService.onProfileServiceStateChanged(BluetoothPbapService.class.getName(),

                BluetoothAdapter.STATE_ON);

        milliSleep(CONTEXT_SWITCH_MS);

        Assert.assertTrue(mAdapterService.isEnabled());

    }

    /**

     * Test: Turn Bluetooth on/off.

     * Check whether the AdapterService gets started and stopped.

     */

    @Test

    public void testEnableDisable() {

        Assert.assertFalse(mAdapterService.isEnabled());

        mAdapterService.enable();

        // Start GATT

        verify(mMockContext, timeout(CONTEXT_SWITCH_MS).times(1)).startService(any());

        milliSleep(CONTEXT_SWITCH_MS);

        mAdapterService.onProfileServiceStateChanged(GattService.class.getName(),

                BluetoothAdapter.STATE_ON);

        // Wait for the native initialization (remove when refactored)

        milliSleep(NATIVE_INIT_MS);

        mAdapterService.onLeServiceUp();

        milliSleep(ONE_SECOND_MS);

        // Start PBAP and PAN

        verify(mMockContext, timeout(ONE_SECOND_MS).times(3)).startService(any());

        mAdapterService.onProfileServiceStateChanged(PanService.class.getName(),

                BluetoothAdapter.STATE_ON);

        mAdapterService.onProfileServiceStateChanged(BluetoothPbapService.class.getName(),

                BluetoothAdapter.STATE_ON);

        milliSleep(CONTEXT_SWITCH_MS);

        Assert.assertTrue(mAdapterService.isEnabled());

        mAdapterService.disable();

        // Stop PBAP and PAN

        verify(mMockContext, timeout(ONE_SECOND_MS).times(5)).startService(any());

        mAdapterService.onProfileServiceStateChanged(PanService.class.getName(),

                BluetoothAdapter.STATE_OFF);

        mAdapterService.onProfileServiceStateChanged(BluetoothPbapService.class.getName(),

                BluetoothAdapter.STATE_OFF);

        milliSleep(ONE_SECOND_MS);

        mAdapterService.onBrEdrDown();

        milliSleep(ONE_SECOND_MS);

        // Stop GATT

        verify(mMockContext, timeout(ONE_SECOND_MS).times(6)).startService(any());

        mAdapterService.onProfileServiceStateChanged(GattService.class.getName(),

                BluetoothAdapter.STATE_OFF);

        Assert.assertFalse(mAdapterService.isEnabled());

    }

}