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/*
* Copyright (C) 2019 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.net
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.net.networkstack.NetworkStackClientBase
import android.os.IBinder
import com.android.server.net.integrationtests.TestNetworkStackService
import org.mockito.Mockito.any
import org.mockito.Mockito.spy
import org.mockito.Mockito.timeout
import org.mockito.Mockito.verify
import kotlin.test.fail
const val TEST_ACTION_SUFFIX = ".Test"
class TestNetworkStackClient(private val context: Context) : NetworkStackClientBase() {
// TODO: consider switching to TrackRecord for more expressive checks
private val lastCallbacks = HashMap<Network, INetworkMonitorCallbacks>()
private val moduleConnector = ConnectivityModuleConnector { _, action, _, _ ->
val intent = Intent(action)
val serviceName = TestNetworkStackService::class.qualifiedName
?: fail("TestNetworkStackService name not found")
intent.component = ComponentName(context.packageName, serviceName)
return@ConnectivityModuleConnector intent
}.also { it.init(context) }
fun start() {
moduleConnector.startModuleService(
INetworkStackConnector::class.qualifiedName + TEST_ACTION_SUFFIX,
NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) { connector ->
onNetworkStackConnected(INetworkStackConnector.Stub.asInterface(connector))
}
}
// base may be an instance of an inaccessible subclass, so non-spyable.
// Use a known open class that delegates to the original instance for all methods except
// asBinder. asBinder needs to use its own non-delegated implementation as otherwise it would
// return a binder token to a class that is not spied on.
open class NetworkMonitorCallbacksWrapper(private val base: INetworkMonitorCallbacks) :
INetworkMonitorCallbacks.Stub(), INetworkMonitorCallbacks by base {
// asBinder is implemented by both base class and delegate: specify explicitly
override fun asBinder(): IBinder {
return super.asBinder()
}
}
override fun makeNetworkMonitor(network: Network, name: String?, cb: INetworkMonitorCallbacks) {
val cbSpy = spy(NetworkMonitorCallbacksWrapper(cb))
lastCallbacks[network] = cbSpy
super.makeNetworkMonitor(network, name, cbSpy)
}
fun verifyNetworkMonitorCreated(network: Network, timeoutMs: Long) {
val cb = lastCallbacks[network]
?: fail("NetworkMonitor for network $network not requested")
verify(cb, timeout(timeoutMs)).onNetworkMonitorCreated(any())
}
}
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