tests/framework/base/windowmanager/src/android/server/wm/DreamManagerServiceTests.java

/*
 * Copyright (C) 2020 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 android.server.wm;

import static android.server.wm.app.Components.TEST_DREAM_SERVICE;
import static android.server.wm.app.Components.TEST_STUBBORN_DREAM_SERVICE;
import static android.server.wm.ComponentNameUtils.getWindowName;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import android.app.DreamManager;
import android.content.ComponentName;
import android.platform.test.annotations.Presubmit;

import androidx.test.filters.FlakyTest;

import com.android.compatibility.common.util.SystemUtil;

import org.junit.Test;

@Presubmit
@FlakyTest(detail = "Promote once confirmed non-flaky")
public class DreamManagerServiceTests extends ActivityManagerTestBase {

    // Timeout after which the dream should have finished willingly
    private static final long ACTIVITY_STOP_TIMEOUT = 3000;

    // Timeout after which the dream should have been forcefully stopped
    private static final long ACTIVITY_FORCE_STOP_TIMEOUT = 5500;

    private ComponentName mDreamActivityName;

    private static final ComponentName getDreamActivityName(ComponentName dream) {
        return new ComponentName(dream.getPackageName(),
                                 "android.service.dreams.DreamActivity");
    }

    private void startDream(ComponentName name) {
        DreamManager dreamer = mContext.getSystemService(DreamManager.class);
        SystemUtil.runWithShellPermissionIdentity(() -> {
            dreamer.startDream(name);
        });
    }

    private void stopDream() {
        DreamManager dreamer = mContext.getSystemService(DreamManager.class);
        SystemUtil.runWithShellPermissionIdentity(() -> {
            dreamer.stopDream();
        });
    }

    private void setActiveDream(ComponentName dream) {
        DreamManager dreamer = mContext.getSystemService(DreamManager.class);
        SystemUtil.runWithShellPermissionIdentity(() -> {
            dreamer.setActiveDream(dream);
        });
        mDreamActivityName = getDreamActivityName(dream);
    }

    private boolean getIsDreaming() {
        DreamManager dreamer = mContext.getSystemService(DreamManager.class);
        return SystemUtil.runWithShellPermissionIdentity(() -> {
            return dreamer.isDreaming();
        });
    }

    private void assertDreamActivityIsGone() {
        mWmState.computeState();
        assertTrue(!mWmState.containsWindow(getWindowName(mDreamActivityName))
                   && !mWmState.containsActivity(mDreamActivityName));
    }

    @Test
    public void testStartAndStopDream() throws Exception {
        setActiveDream(TEST_DREAM_SERVICE);

        startDream(TEST_DREAM_SERVICE);
        mWmState.waitForValidState(mDreamActivityName);
        mWmState.assertVisibility(mDreamActivityName, true);
        mWmState.assertHomeActivityVisible(false);

        assertTrue(getIsDreaming());

        stopDream();
        mWmState.waitAndAssertActivityRemoved(mDreamActivityName);

        mWmState.assertHomeActivityVisible(true);
    }

    @Test
    public void testDreamServiceStopsTimely() throws Exception {
        setActiveDream(TEST_DREAM_SERVICE);

        startDream(TEST_DREAM_SERVICE);
        mWmState.waitForValidState(mDreamActivityName);
        assertTrue(getIsDreaming());

        stopDream();

        Thread.sleep(ACTIVITY_STOP_TIMEOUT);

        assertDreamActivityIsGone();
        assertFalse(getIsDreaming());
    }

    @Test
    public void testForceStopStubbornDream() throws Exception {
        setActiveDream(TEST_STUBBORN_DREAM_SERVICE);

        startDream(TEST_STUBBORN_DREAM_SERVICE);
        mWmState.waitForValidState(mDreamActivityName);
        mWmState.assertVisibility(mDreamActivityName, true);
        mWmState.assertHomeActivityVisible(false);

        stopDream();

        Thread.sleep(ACTIVITY_FORCE_STOP_TIMEOUT);

        assertDreamActivityIsGone();
        assertFalse(getIsDreaming());
    }
}