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/*
* Copyright (C) 2022 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.netstats
import android.net.NetworkStatsCollection
import androidx.test.InstrumentationRegistry
import androidx.test.filters.SmallTest
import com.android.frameworks.tests.net.R
import com.android.testutils.DevSdkIgnoreRule
import com.android.testutils.DevSdkIgnoreRunner
import com.android.testutils.SC_V2
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.MockitoAnnotations
import java.io.DataInputStream
import java.net.ProtocolException
import kotlin.test.assertEquals
import kotlin.test.assertFailsWith
import kotlin.test.fail
private const val BUCKET_DURATION_MS = 2 * 60 * 60 * 1000L
@RunWith(DevSdkIgnoreRunner::class)
@SmallTest
@DevSdkIgnoreRule.IgnoreUpTo(SC_V2) // TODO: Use to Build.VERSION_CODES.SC_V2 when available
class NetworkStatsDataMigrationUtilsTest {
@Before
fun setup() {
MockitoAnnotations.initMocks(this)
}
@Test
fun testReadPlatformCollection() {
// Verify the method throws for wrong file format.
assertFailsWith<ProtocolException> {
NetworkStatsDataMigrationUtils.readPlatformCollection(
NetworkStatsCollection.Builder(BUCKET_DURATION_MS),
getInputStreamForResource(R.raw.netstats_uid_v4))
}
val builder = NetworkStatsCollection.Builder(BUCKET_DURATION_MS)
NetworkStatsDataMigrationUtils.readPlatformCollection(builder,
getInputStreamForResource(R.raw.netstats_uid_v16))
// The values are obtained by dumping from NetworkStatsCollection that
// read by the logic inside the service.
assertValues(builder.build(), 55, 1814302L, 21050L, 31001636L, 26152L)
}
private fun assertValues(
collection: NetworkStatsCollection,
expectedSize: Int,
expectedTxBytes: Long,
expectedTxPackets: Long,
expectedRxBytes: Long,
expectedRxPackets: Long
) {
var txBytes = 0L
var txPackets = 0L
var rxBytes = 0L
var rxPackets = 0L
val entries = collection.entries
for (history in entries.values) {
for (historyEntry in history.entries) {
txBytes += historyEntry.txBytes
txPackets += historyEntry.txPackets
rxBytes += historyEntry.rxBytes
rxPackets += historyEntry.rxPackets
}
}
if (expectedSize != entries.size ||
expectedTxBytes != txBytes ||
expectedTxPackets != txPackets ||
expectedRxBytes != rxBytes ||
expectedRxPackets != rxPackets) {
fail("expected size=$expectedSize" +
"txb=$expectedTxBytes txp=$expectedTxPackets " +
"rxb=$expectedRxBytes rxp=$expectedRxPackets bus was " +
"size=${entries.size} txb=$txBytes txp=$txPackets " +
"rxb=$rxBytes rxp=$rxPackets")
}
assertEquals(txBytes + rxBytes, collection.totalBytes)
}
private fun getInputStreamForResource(resourceId: Int): DataInputStream {
return DataInputStream(InstrumentationRegistry.getContext()
.getResources().openRawResource(resourceId))
}
}
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