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/*
* Copyright (C) 2020 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 com.android.testutils
import android.net.NetworkStats
import com.android.net.module.util.ArrayTrackRecord
import kotlin.test.assertEquals
import kotlin.test.assertTrue
import kotlin.test.fail
private const val DEFAULT_TIMEOUT_MS = 3000L
open class TestableNetworkStatsProviderCbBinder : NetworkStatsProviderCbStubCompat() {
sealed class CallbackType {
data class NotifyStatsUpdated(
val token: Int,
val ifaceStats: NetworkStats,
val uidStats: NetworkStats
) : CallbackType()
object NotifyWarningReached : CallbackType()
object NotifyLimitReached : CallbackType()
object NotifyWarningOrLimitReached : CallbackType()
object NotifyAlertReached : CallbackType()
object Unregister : CallbackType()
}
private val history = ArrayTrackRecord<CallbackType>().ReadHead()
override fun notifyStatsUpdated(token: Int, ifaceStats: NetworkStats, uidStats: NetworkStats) {
history.add(CallbackType.NotifyStatsUpdated(token, ifaceStats, uidStats))
}
override fun notifyWarningReached() {
history.add(CallbackType.NotifyWarningReached)
}
override fun notifyLimitReached() {
history.add(CallbackType.NotifyLimitReached)
}
override fun notifyWarningOrLimitReached() {
// Older callback is split into notifyLimitReached and notifyWarningReached in T.
history.add(CallbackType.NotifyWarningOrLimitReached)
}
override fun notifyAlertReached() {
history.add(CallbackType.NotifyAlertReached)
}
override fun unregister() {
history.add(CallbackType.Unregister)
}
fun expectNotifyStatsUpdated() {
val event = history.poll(DEFAULT_TIMEOUT_MS)
assertTrue(event is CallbackType.NotifyStatsUpdated)
}
fun expectNotifyStatsUpdated(ifaceStats: NetworkStats, uidStats: NetworkStats) {
val event = history.poll(DEFAULT_TIMEOUT_MS)!!
if (event !is CallbackType.NotifyStatsUpdated) {
throw Exception("Expected NotifyStatsUpdated callback, but got ${event::class}")
}
// TODO: verify token.
assertNetworkStatsEquals(ifaceStats, event.ifaceStats)
assertNetworkStatsEquals(uidStats, event.uidStats)
}
fun expectNotifyWarningReached() =
assertEquals(CallbackType.NotifyWarningReached, history.poll(DEFAULT_TIMEOUT_MS))
fun expectNotifyLimitReached() =
assertEquals(CallbackType.NotifyLimitReached, history.poll(DEFAULT_TIMEOUT_MS))
fun expectNotifyWarningOrLimitReached() =
assertEquals(CallbackType.NotifyWarningOrLimitReached, history.poll(DEFAULT_TIMEOUT_MS))
fun expectNotifyAlertReached() =
assertEquals(CallbackType.NotifyAlertReached, history.poll(DEFAULT_TIMEOUT_MS))
// Assert there is no callback in current queue.
fun assertNoCallback() {
val cb = history.poll(0)
cb?.let { fail("Expected no callback but got $cb") }
}
}
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