1 files changed, 56 insertions, 0 deletions
diff --git a/tests/cts/permission/permissionTestUtilLib/src/android/permission/cts/CtsNotificationListenerHelperRule.kt b/tests/cts/permission/permissionTestUtilLib/src/android/permission/cts/CtsNotificationListenerHelperRule.kt
new file mode 100644
index 000000000..acdf55ef1
--- /dev/null
+++ b/tests/cts/permission/permissionTestUtilLib/src/android/permission/cts/CtsNotificationListenerHelperRule.kt
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2023 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.permission.cts
+
+import android.content.ComponentName
+import android.content.Context
+import com.android.compatibility.common.util.SystemUtil
+import org.junit.rules.TestRule
+import org.junit.runner.Description
+import org.junit.runners.model.Statement
+
+/** Rule that enables and disables the CTS NotificationListenerService */
+class CtsNotificationListenerHelperRule(context: Context) : TestRule {
+
+    private val notificationListenerComponentName =
+        ComponentName(context, CtsNotificationListenerService::class.java)
+
+    override fun apply(base: Statement, description: Description): Statement {
+        return object : Statement() {
+            override fun evaluate() {
+                try {
+                    // Allow NLS used to verify notifications sent
+                    SystemUtil.runShellCommand(
+                        ALLOW_NLS_COMMAND + notificationListenerComponentName.flattenToString()
+                    )
+
+                    base.evaluate()
+                } finally {
+                    // Disallow NLS used to verify notifications sent
+                    SystemUtil.runShellCommand(
+                        DISALLOW_NLS_COMMAND + notificationListenerComponentName.flattenToString()
+                    )
+                }
+            }
+        }
+    }
+
+    companion object {
+        private const val ALLOW_NLS_COMMAND = "cmd notification allow_listener "
+        private const val DISALLOW_NLS_COMMAND = "cmd notification disallow_listener "
+    }
+}