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 com.android.tradefed.targetprep;
18 
19 import static org.junit.Assert.assertEquals;
20 
21 import com.android.tradefed.device.DeviceNotAvailableException;
22 import com.android.tradefed.device.ITestDevice;
23 import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
24 import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
25 
26 import org.junit.After;
27 import org.junit.Before;
28 import org.junit.Test;
29 import org.junit.runner.RunWith;
30 
31 import java.util.UUID;
32 
33 /** Functional tests for {@link UserCleaner}. */
34 @RunWith(DeviceJUnit4ClassRunner.class)
35 public class UserCleanerFuncTest extends BaseHostJUnit4Test {
36 
37     private UserCleaner mCleaner;
38 
39     @Before
setUp()40     public void setUp() {
41         mCleaner = new UserCleaner();
42     }
43 
44     @After
tearDown()45     public void tearDown() throws DeviceNotAvailableException {
46         // ensure additional users are removed
47         ITestDevice device = getDevice();
48         for (int id : device.listUsers()) {
49             device.removeUser(id);
50         }
51     }
52 
53     @Test
testTearDown()54     public void testTearDown() throws DeviceNotAvailableException {
55         ITestDevice device = getDevice();
56         assertEquals("one user initially", 1, device.listUsers().size());
57 
58         device.createUser(UUID.randomUUID().toString());
59         device.createUser(UUID.randomUUID().toString());
60         assertEquals("additional users created", 3, device.listUsers().size());
61 
62         mCleaner.tearDown(getTestInformation(), null);
63         assertEquals("additional users removed", 1, device.listUsers().size());
64     }
65 }
66