Add functional test for wakelock anomaly detector

/*

 * 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.anomaly.tests;

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

import android.app.Instrumentation;

import android.content.Context;

import android.content.Intent;

import android.support.test.InstrumentationRegistry;

import android.support.test.runner.AndroidJUnit4;

import android.support.test.uiautomator.By;

import android.support.test.uiautomator.UiDevice;

import android.support.test.uiautomator.Until;

import android.text.format.DateUtils;

import org.junit.After;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

/**

 * Functional test for bluetooth unoptimized scanning anomaly detector

 *

 * @see com.android.settings.fuelgauge.anomaly.checker.BluetoothScanAnomalyDetector

 */

@RunWith(AndroidJUnit4.class)

public class WakelockAnomalyTest {

    private static final String BATTERY_INTENT = "android.intent.action.POWER_USAGE_SUMMARY";

    private static final String RES_WAKELOCK_EDITTEXT =

            "com.android.settings.anomaly.tester:id/wakelock_run_time";

    private static final String RES_WAKELOCK_BUTTON =

            "com.android.settings.anomaly.tester:id/wakelock_button";

    private static final long TIME_OUT = 3000;

    private UiDevice mDevice;

    @Before

    public void setUp() {

        final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();

        final Context context = instrumentation.getContext();

        mDevice = UiDevice.getInstance(instrumentation);

        // setup environment

        TestUtils.setUp(instrumentation);

        // start anomaly-tester app

        TestUtils.startAnomalyApp(context, mDevice);

    }

    @After

    public void tearDown() {

        TestUtils.tearDown(InstrumentationRegistry.getInstrumentation());

    }

    @Test

    public void testWakelockAnomaly_longTimeWhileRunning_report() throws InterruptedException {

        // Set running time

        final long durationMs = DateUtils.SECOND_IN_MILLIS * 15;

        TestUtils.setEditTextWithValue(mDevice, RES_WAKELOCK_EDITTEXT, durationMs);

        // Click start button

        TestUtils.clickButton(mDevice, RES_WAKELOCK_BUTTON);

        // Wait for its running

        mDevice.pressHome();

        // Sleeping time less than running time, so the app still holding wakelock when we check

        TestUtils.wait(mDevice, durationMs - TIME_OUT);

        // Check it in battery main page

        Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();

        instrumentation.startActivitySync(new Intent(BATTERY_INTENT));

        assertWithMessage("Doesn't have wakelock anomaly").that(

                mDevice.wait(Until.findObject(By.text("AnomalyTester draining battery")),

                        TIME_OUT)).isNotNull();

    }

    @Test

    public void testWakelockAnomaly_shortTime_notReport() throws InterruptedException {

        // Set running time

        final long durationMs = DateUtils.SECOND_IN_MILLIS;

        TestUtils.setEditTextWithValue(mDevice, RES_WAKELOCK_EDITTEXT, durationMs);

        // Click start button

        TestUtils.clickButton(mDevice, RES_WAKELOCK_BUTTON);

        // Wait for its running

        mDevice.pressHome();

        TestUtils.wait(mDevice, durationMs);

        // Check it in battery main page

        Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();

        instrumentation.startActivitySync(new Intent(BATTERY_INTENT));

        assertWithMessage("Shouldn't have wakelock anomaly").that(

                mDevice.wait(Until.findObject(By.text("AnomalyTester draining battery")),

                        TIME_OUT)).isNull();

    }

    @Test

    public void testWakelockAnomaly_longTimeWhileNotRunning_notReport()

            throws InterruptedException {

        // Set running time

        final long durationMs = DateUtils.SECOND_IN_MILLIS * 10;

        TestUtils.setEditTextWithValue(mDevice, RES_WAKELOCK_EDITTEXT, durationMs);

        // Click start button

        TestUtils.clickButton(mDevice, RES_WAKELOCK_BUTTON);

        // Wait for its running

        mDevice.pressHome();

        // Wait more time for releasing the wakelock

        TestUtils.wait(mDevice, durationMs + TIME_OUT);

        // Check it in battery main page

        Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();

        instrumentation.startActivitySync(new Intent(BATTERY_INTENT));

        assertWithMessage("Shouldn't have wakelock anomaly").that(

                mDevice.wait(Until.findObject(By.text("AnomalyTester draining battery")),

                        TIME_OUT)).isNull();

    }

}