Merge "Add a test to check unusual home activities"

// Copyright 2020 Google Inc. All Rights Reserved.

//

// 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.

android_test {

    name: "NullHomeTest",

    srcs: ["src/**/*.java"],

    certificate: "platform",

    platform_apis: true,

    static_libs: ["android-support-test"],

    test_suites: ["device-tests"],

}

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright 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.

-->

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.android.test.nullhome"

    android:sharedUserId="android.uid.system" >

    <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="21" />

    <instrumentation

        android:name="android.support.test.runner.AndroidJUnitRunner"

        android:targetPackage="com.android.test.nullhome"

        android:label="Check if no null Home exists/is enabled" />

    <application android:label="Null Home Test">

        <uses-library android:name="android.test.runner" />

    </application>

</manifest>

/*

 * 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 com.android.test.nullhome;

import android.content.Context;

import android.content.pm.PackageManager;

import android.content.pm.ResolveInfo;

import android.support.test.InstrumentationRegistry;

import android.util.Log;

import org.junit.Assert;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.junit.runners.JUnit4;

import java.util.ArrayList;

import java.util.List;

/*

 * Check if NullHome/SystemUserHome activity does not exist/is disabled.

 *

 * SystemUserHome is only enabled in bootable CSI (csi_x86, csi_arm64)

 * products and should not be enabled in other products.

 *

 * Shell's NullHome is empty and caused issues in sevaral manual GUI tests

 * that try to select/use it, and should be removed.

 *

 * Settings' FallbackHome is fine because it's specially handled by Settings.

 *

 */

@RunWith(JUnit4.class)

public class NullHomeTest {

    private static final String TAG = "NullHomeTest";

    private Context mContext;

    private PackageManager mPm;

    @Before

    public void before() {

        Log.d(TAG, "beforeClass()");

        mContext = InstrumentationRegistry.getInstrumentation().getContext();

        mPm = mContext.getPackageManager();

    }

    @Test

    public void checkNullHome() {

        final List<ResolveInfo> homeActivities = new ArrayList<>();

        mPm.getHomeActivities(homeActivities);

        for (ResolveInfo activity : homeActivities) {

            Log.d(TAG, "Home activity: " + activity.activityInfo.packageName);

            Assert.assertNotEquals(activity.activityInfo.packageName,

                    "com.android.internal.app.SystemUserHomeActivity");

            Assert.assertNotEquals(activity.activityInfo.packageName,

                    "com.android.shell");

        }

    }

}