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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.NetworkStatsHistory
import android.text.format.DateUtils
import androidx.test.filters.SmallTest
import com.android.testutils.ConnectivityModuleTest
import com.android.testutils.DevSdkIgnoreRule
import com.android.testutils.SC_V2
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import kotlin.test.assertEquals
@ConnectivityModuleTest
@RunWith(JUnit4::class)
@SmallTest
class NetworkStatsHistoryTest {
@Rule
@JvmField
val ignoreRule = DevSdkIgnoreRule(ignoreClassUpTo = SC_V2)
@Test
fun testBuilder() {
val entry1 = NetworkStatsHistory.Entry(10, 30, 40, 4, 50, 5, 60)
val entry2 = NetworkStatsHistory.Entry(30, 15, 3, 41, 7, 1, 0)
val entry3 = NetworkStatsHistory.Entry(7, 301, 11, 14, 31, 2, 80)
val statsEmpty = NetworkStatsHistory
.Builder(DateUtils.HOUR_IN_MILLIS, /* initialCapacity */ 10).build()
assertEquals(0, statsEmpty.entries.size)
assertEquals(DateUtils.HOUR_IN_MILLIS, statsEmpty.bucketDuration)
val statsSingle = NetworkStatsHistory
.Builder(DateUtils.HOUR_IN_MILLIS, /* initialCapacity */ 8)
.addEntry(entry1)
.build()
statsSingle.assertEntriesEqual(entry1)
assertEquals(DateUtils.HOUR_IN_MILLIS, statsSingle.bucketDuration)
val statsMultiple = NetworkStatsHistory
.Builder(DateUtils.SECOND_IN_MILLIS, /* initialCapacity */ 0)
.addEntry(entry1).addEntry(entry2).addEntry(entry3)
.build()
assertEquals(DateUtils.SECOND_IN_MILLIS, statsMultiple.bucketDuration)
// Verify the entries exist and sorted.
statsMultiple.assertEntriesEqual(entry3, entry1, entry2)
}
@Test
fun testBuilderSortAndDeduplicate() {
val entry1 = NetworkStatsHistory.Entry(10, 30, 40, 4, 50, 5, 60)
val entry2 = NetworkStatsHistory.Entry(30, 15, 3, 41, 7, 1, 0)
val entry3 = NetworkStatsHistory.Entry(30, 999, 11, 14, 31, 2, 80)
val entry4 = NetworkStatsHistory.Entry(10, 15, 1, 17, 5, 33, 10)
val entry5 = NetworkStatsHistory.Entry(6, 1, 9, 11, 29, 1, 7)
// Entries for verification.
// Note that active time of 2 + 3 is truncated to bucket duration since the active time
// should not go over bucket duration.
val entry2and3 = NetworkStatsHistory.Entry(30, 1000, 14, 55, 38, 3, 80)
val entry1and4 = NetworkStatsHistory.Entry(10, 45, 41, 21, 55, 38, 70)
val statsMultiple = NetworkStatsHistory
.Builder(DateUtils.SECOND_IN_MILLIS, /* initialCapacity */ 0)
.addEntry(entry1).addEntry(entry2).addEntry(entry3)
.addEntry(entry4).addEntry(entry5).build()
assertEquals(DateUtils.SECOND_IN_MILLIS, statsMultiple.bucketDuration)
// Verify the entries sorted and deduplicated.
statsMultiple.assertEntriesEqual(entry5, entry1and4, entry2and3)
}
fun NetworkStatsHistory.assertEntriesEqual(vararg entries: NetworkStatsHistory.Entry) {
assertEquals(entries.size, this.entries.size)
entries.forEachIndexed { i, element ->
assertEquals(element, this.entries[i])
}
}
}
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