Merge "[MS59.2] Add unit test for NetworkStatsDataMigrationUtils" am: bfdd0f3c3c am: 9d39295472 am: 63b0335dae am: 1f00085fa3
Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1958907
Change-Id: Ib2f1d8d6661c9f3e89e4dc14b382adf69587ceef
diff --git a/tests/unit/Android.bp b/tests/unit/Android.bp
index cb446f1..17133c7 100644
--- a/tests/unit/Android.bp
+++ b/tests/unit/Android.bp
@@ -74,6 +74,7 @@
"java/android/net/TelephonyNetworkSpecifierTest.java",
"java/android/net/VpnManagerTest.java",
"java/android/net/ipmemorystore/*.java",
+ "java/android/net/netstats/NetworkStatsDataMigrationUtilsTest.kt",
"java/android/net/nsd/*.java",
"java/com/android/internal/net/NetworkUtilsInternalTest.java",
"java/com/android/internal/net/VpnProfileTest.java",
diff --git a/tests/unit/java/android/net/netstats/NetworkStatsDataMigrationUtilsTest.kt b/tests/unit/java/android/net/netstats/NetworkStatsDataMigrationUtilsTest.kt
new file mode 100644
index 0000000..e4943ea
--- /dev/null
+++ b/tests/unit/java/android/net/netstats/NetworkStatsDataMigrationUtilsTest.kt
@@ -0,0 +1,112 @@
+/*
+ * 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 version.
+ 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)
+ }
+
+ @Test
+ fun testMaybeReadLegacyUid() {
+ val builder = NetworkStatsCollection.Builder(BUCKET_DURATION_MS)
+ NetworkStatsDataMigrationUtils.readLegacyUid(builder,
+ getInputStreamForResource(R.raw.netstats_uid_v4), false /* taggedData */)
+ assertValues(builder.build(), 223, 106245210L, 710722L, 1130647496L, 1103989L)
+ }
+
+ 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))
+ }
+}
diff --git a/tests/unit/res/raw/netstats_uid_v16 b/tests/unit/res/raw/netstats_uid_v16
new file mode 100644
index 0000000..a6ee430
--- /dev/null
+++ b/tests/unit/res/raw/netstats_uid_v16
Binary files differ