1 /*
2  * Copyright (C) 2024 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.platform.systemui_tapl.permissions.rule
18 
19 import android.app.UiAutomation
20 import android.util.Log
21 import androidx.test.platform.app.InstrumentationRegistry
22 import org.junit.rules.TestWatcher
23 import org.junit.runner.Description
24 
25 /**
26  * Adopts shell [permissions] identity for the [uiAutomation].
27  *
28  * @see
29  *   cts/common/device-side/util-axt/src/com/android/compatibility/common/util/AdoptShellPermissionsRule.java
30  * @see UiAutomation.adoptShellPermissionIdentity
31  */
32 class AdoptShellPermissionsRule(
33     vararg permissions: String,
34     private val uiAutomation: UiAutomation =
35         InstrumentationRegistry.getInstrumentation().uiAutomation,
36 ) : TestWatcher() {
37 
38     private val permissionSet: Set<String> = permissions.toSet()
39 
40     init {
41         require(permissionSet.isNotEmpty())
42     }
43 
startingnull44     override fun starting(description: Description?) {
45         super.starting(description)
46         for (permission in permissionSet) {
47             uiAutomation.adoptShellPermissionIdentity(permission)
48         }
49         Log.d("AdoptShellPermissionsRule", "Adopted identities=${permissionSet}")
50     }
51 
finishednull52     override fun finished(description: Description?) {
53         uiAutomation.dropShellPermissionIdentity()
54         Log.d("AdoptShellPermissionsRule", "Dropped adopted identities")
55         super.finished(description)
56     }
57 }
58