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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.harmfulappwarning.cts;
     18 
     19 import com.android.tradefed.device.DeviceNotAvailableException;
     20 import com.android.tradefed.device.ITestDevice;
     21 import com.android.tradefed.device.PackageInfo;
     22 import com.android.tradefed.result.InputStreamSource;
     23 import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
     24 import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
     25 
     26 import org.junit.Assert;
     27 import org.junit.Before;
     28 import org.junit.Test;
     29 import org.junit.runner.RunWith;
     30 
     31 import java.util.Scanner;
     32 
     33 import static org.junit.Assert.assertEquals;
     34 import static org.junit.Assert.assertNull;
     35 import static org.junit.Assert.assertTrue;
     36 import static org.junit.Assume.assumeFalse;
     37 
     38 /**
     39  * Host-side tests for the harmful app launch warning
     40  *
     41  * <p>These tests have a few different components. This is the host-side part of the test, which is
     42  * responsible for setting up the environment and passing off execution to the device-side part
     43  * of the test.
     44  *
     45  * <p>The {@link HarmfulAppWarningDeviceTest} class is the device side of these tests. It attempts to launch
     46  * the sample warned application, and verifies the correct behavior of the harmful app warning that
     47  * is shown by the platform.
     48  *
     49  * <p>The third component is the sample app, which is just a placeholder app with a basic activity
     50  * that only serves as a target for the harmful app warning.
     51  *
     52  * <p>Run with: atest CtsHarmfulAppWarningHostTestCases
     53  */
     54 @RunWith(DeviceJUnit4ClassRunner.class)
     55 public class HarmfulAppWarningTest extends BaseHostJUnit4Test {
     56 
     57     private static final String FEATURE_WEARABLE = "android.hardware.type.watch";
     58 
     59     private static final String TEST_APP_PACKAGE_NAME = "android.harmfulappwarning.sampleapp";
     60     private static final String TEST_APP_ACTIVITY_CLASS_NAME = "SampleDeviceActivity";
     61     private static final String TEST_APP_LAUNCHED_STRING = "Sample activity started.";
     62 
     63     private static final String WARNING_MESSAGE = "This is a warning message.";
     64     private static final String SET_HARMFUL_APP_WARNING_COMMAND = String.format(
     65             "cmd package set-harmful-app-warning %s \"" + WARNING_MESSAGE + "\"",
     66             TEST_APP_PACKAGE_NAME);
     67 
     68     private static final String CLEAR_HARMFUL_APP_WARNING_COMMAND = String.format(
     69             "cmd package set-harmful-app-warning %s", TEST_APP_PACKAGE_NAME);
     70 
     71     private static final String GET_HARMFUL_APP_WARNING_COMMAND = String.format(
     72             "cmd package get-harmful-app-warning %s", TEST_APP_PACKAGE_NAME);
     73 
     74     private static final String LIST_PACKAGES_COMMAND =
     75             "cmd package list packages --user %d " + TEST_APP_PACKAGE_NAME;
     76 
     77     private ITestDevice mDevice;
     78 
     79     @Before
     80     public void setUp() throws Exception {
     81         installPackage("CtsHarmfulAppWarningSampleApp.apk");
     82         mDevice = getDevice();
     83         mDevice.clearLogcat();
     84 
     85         // Skip the tests for wearable devices. This feature is not used on wearable
     86         // devices, for now (no wearable UI, etc.)
     87         assumeFalse(hasFeature(FEATURE_WEARABLE));
     88     }
     89 
     90     private void runDeviceTest(String testName) throws DeviceNotAvailableException {
     91         runDeviceTests("android.harmfulappwarning.testapp",
     92                 "android.harmfulappwarning.testapp.HarmfulAppWarningDeviceTest",
     93                 testName);
     94     }
     95 
     96     private void verifyHarmfulAppWarningSet() throws DeviceNotAvailableException {
     97         String warning = getDevice().executeShellCommand(GET_HARMFUL_APP_WARNING_COMMAND);
     98         assertEquals(WARNING_MESSAGE, warning.trim());
     99     }
    100 
    101     private void verifyHarmfulAppWarningUnset() throws DeviceNotAvailableException {
    102         String warning = getDevice().executeShellCommand(GET_HARMFUL_APP_WARNING_COMMAND);
    103         if (warning != null) {
    104             warning = warning.trim();
    105         }
    106         assertTrue(warning == null || warning.length() == 0);
    107     }
    108 
    109     private void verifySampleAppUninstalled() throws DeviceNotAvailableException {
    110         String installedPackage = getDevice().executeShellCommand(
    111                 String.format(LIST_PACKAGES_COMMAND, getDevice().getCurrentUser()));
    112         Assert.assertTrue("Harmful application was not uninstalled", installedPackage.isEmpty());
    113     }
    114 
    115     private void verifySampleAppInstalled() throws DeviceNotAvailableException {
    116         String installedPackage = getDevice().executeShellCommand(
    117                 String.format(LIST_PACKAGES_COMMAND, getDevice().getCurrentUser()));
    118         Assert.assertFalse("Harmful application was uninstalled", installedPackage.isEmpty());
    119     }
    120 
    121     /**
    122      * A basic smoke test to ensure that we're able to detect the launch of the activity when there
    123      * is no warning.
    124      */
    125     @Test
    126     public void testNormalLaunch() throws Exception {
    127         runDeviceTest("testNormalLaunch");
    128     }
    129 
    130     /**
    131      * Tests that when the user clicks "launch anyway" on the harmful app warning dialog, the
    132      * warning is cleared and the activity is launched.
    133      */
    134     @Test
    135     public void testLaunchAnyway() throws DeviceNotAvailableException {
    136         mDevice.executeShellCommand(SET_HARMFUL_APP_WARNING_COMMAND);
    137         runDeviceTest("testLaunchAnyway");
    138 
    139         verifyHarmfulAppWarningUnset();
    140     }
    141 
    142     /**
    143      * Tests that when the user clicks "uninstall" on the harmful app warning dialog, the
    144      * application is uninstalled.
    145      */
    146     @Test
    147     public void testUninstall() throws DeviceNotAvailableException {
    148         mDevice.executeShellCommand(SET_HARMFUL_APP_WARNING_COMMAND);
    149         runDeviceTest("testUninstall");
    150         verifySampleAppUninstalled();
    151     }
    152 
    153     /**
    154      * Tests that no action is taken when the user dismisses the harmful app warning
    155      */
    156     @Test
    157     public void testDismissDialog() throws DeviceNotAvailableException {
    158         mDevice.executeShellCommand(SET_HARMFUL_APP_WARNING_COMMAND);
    159         runDeviceTest("testDismissDialog");
    160         verifyHarmfulAppWarningSet();
    161         verifySampleAppInstalled();
    162     }
    163 
    164     protected boolean hasFeature(String featureName) throws DeviceNotAvailableException {
    165         return getDevice().executeShellCommand("pm list features").contains(featureName);
    166     }
    167 }
    168