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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.NetworkStats.DEFAULT_NETWORK_ALL
import android.net.NetworkStats.METERED_ALL
import android.net.NetworkStats.METERED_YES
import android.net.NetworkStats.ROAMING_YES
import android.net.NetworkStats.ROAMING_ALL
import android.net.NetworkTemplate
import android.net.NetworkTemplate.MATCH_BLUETOOTH
import android.net.NetworkTemplate.MATCH_CARRIER
import android.net.NetworkTemplate.MATCH_ETHERNET
import android.net.NetworkTemplate.MATCH_MOBILE
import android.net.NetworkTemplate.MATCH_MOBILE_WILDCARD
import android.net.NetworkTemplate.MATCH_PROXY
import android.net.NetworkTemplate.MATCH_WIFI
import android.net.NetworkTemplate.MATCH_WIFI_WILDCARD
import android.net.NetworkTemplate.NETWORK_TYPE_ALL
import android.net.NetworkTemplate.OEM_MANAGED_ALL
import android.telephony.TelephonyManager
import com.android.net.module.util.NetworkStatsUtils.SUBSCRIBER_ID_MATCH_RULE_ALL
import com.android.net.module.util.NetworkStatsUtils.SUBSCRIBER_ID_MATCH_RULE_EXACT
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
import kotlin.test.assertFailsWith
private const val TEST_IMSI1 = "imsi"
private const val TEST_WIFI_KEY1 = "wifiKey1"
private const val TEST_WIFI_KEY2 = "wifiKey2"
@RunWith(JUnit4::class)
@ConnectivityModuleTest
class NetworkTemplateTest {
@Rule
@JvmField
val ignoreRule = DevSdkIgnoreRule(ignoreClassUpTo = SC_V2)
@Test
fun testBuilderMatchRules() {
// Verify unknown match rules cannot construct templates.
listOf(Integer.MIN_VALUE, -1, Integer.MAX_VALUE).forEach {
assertFailsWith<IllegalArgumentException> {
NetworkTemplate.Builder(it).build()
}
}
// Verify hidden match rules cannot construct templates.
listOf(MATCH_WIFI_WILDCARD, MATCH_MOBILE_WILDCARD, MATCH_PROXY).forEach {
assertFailsWith<IllegalArgumentException> {
NetworkTemplate.Builder(it).build()
}
}
// Verify template which matches metered cellular and carrier networks with
// the given IMSI. See buildTemplateMobileAll and buildTemplateCarrierMetered.
listOf(MATCH_MOBILE, MATCH_CARRIER).forEach { matchRule ->
NetworkTemplate.Builder(matchRule).setSubscriberIds(setOf(TEST_IMSI1))
.setMeteredness(METERED_YES).build().let {
val expectedTemplate = NetworkTemplate(matchRule, TEST_IMSI1,
arrayOf(TEST_IMSI1), arrayOf<String>(), METERED_YES,
ROAMING_ALL, DEFAULT_NETWORK_ALL, NETWORK_TYPE_ALL,
OEM_MANAGED_ALL, SUBSCRIBER_ID_MATCH_RULE_EXACT)
assertEquals(expectedTemplate, it)
}
}
// Verify template which matches roaming cellular and carrier networks with
// the given IMSI.
listOf(MATCH_MOBILE, MATCH_CARRIER).forEach { matchRule ->
NetworkTemplate.Builder(matchRule).setSubscriberIds(setOf(TEST_IMSI1))
.setRoaming(ROAMING_YES).setMeteredness(METERED_YES).build().let {
val expectedTemplate = NetworkTemplate(matchRule, TEST_IMSI1,
arrayOf(TEST_IMSI1), arrayOf<String>(), METERED_YES,
ROAMING_YES, DEFAULT_NETWORK_ALL, NETWORK_TYPE_ALL,
OEM_MANAGED_ALL, SUBSCRIBER_ID_MATCH_RULE_EXACT)
assertEquals(expectedTemplate, it)
}
}
// Verify carrier template cannot be created without IMSI.
assertFailsWith<IllegalArgumentException> {
NetworkTemplate.Builder(MATCH_CARRIER).build()
}
// Verify template which matches metered cellular networks,
// regardless of IMSI. See buildTemplateMobileWildcard.
NetworkTemplate.Builder(MATCH_MOBILE).setMeteredness(METERED_YES).build().let {
val expectedTemplate = NetworkTemplate(MATCH_MOBILE_WILDCARD, null /*subscriberId*/,
null /*subscriberIds*/, arrayOf<String>(),
METERED_YES, ROAMING_ALL, DEFAULT_NETWORK_ALL, NETWORK_TYPE_ALL,
OEM_MANAGED_ALL, SUBSCRIBER_ID_MATCH_RULE_ALL)
assertEquals(expectedTemplate, it)
}
// Verify template which matches metered cellular networks and ratType.
// See NetworkTemplate#buildTemplateMobileWithRatType.
NetworkTemplate.Builder(MATCH_MOBILE).setSubscriberIds(setOf(TEST_IMSI1))
.setMeteredness(METERED_YES).setRatType(TelephonyManager.NETWORK_TYPE_UMTS)
.build().let {
val expectedTemplate = NetworkTemplate(MATCH_MOBILE, TEST_IMSI1,
arrayOf(TEST_IMSI1), arrayOf<String>(), METERED_YES,
ROAMING_ALL, DEFAULT_NETWORK_ALL, TelephonyManager.NETWORK_TYPE_UMTS,
OEM_MANAGED_ALL, SUBSCRIBER_ID_MATCH_RULE_EXACT)
assertEquals(expectedTemplate, it)
}
// Verify template which matches all wifi networks,
// regardless of Wifi Network Key. See buildTemplateWifiWildcard and buildTemplateWifi.
NetworkTemplate.Builder(MATCH_WIFI).build().let {
val expectedTemplate = NetworkTemplate(MATCH_WIFI_WILDCARD, null /*subscriberId*/,
null /*subscriberIds*/, arrayOf<String>(),
METERED_ALL, ROAMING_ALL, DEFAULT_NETWORK_ALL, NETWORK_TYPE_ALL,
OEM_MANAGED_ALL, SUBSCRIBER_ID_MATCH_RULE_ALL)
assertEquals(expectedTemplate, it)
}
// Verify template which matches wifi networks with the given Wifi Network Key.
// See buildTemplateWifi(wifiNetworkKey).
NetworkTemplate.Builder(MATCH_WIFI).setWifiNetworkKeys(setOf(TEST_WIFI_KEY1)).build().let {
val expectedTemplate = NetworkTemplate(MATCH_WIFI, null /*subscriberId*/,
null /*subscriberIds*/, arrayOf(TEST_WIFI_KEY1),
METERED_ALL, ROAMING_ALL, DEFAULT_NETWORK_ALL, NETWORK_TYPE_ALL,
OEM_MANAGED_ALL, SUBSCRIBER_ID_MATCH_RULE_ALL)
assertEquals(expectedTemplate, it)
}
// Verify template which matches all wifi networks with the
// given Wifi Network Key, and IMSI. See buildTemplateWifi(wifiNetworkKey, subscriberId).
NetworkTemplate.Builder(MATCH_WIFI).setSubscriberIds(setOf(TEST_IMSI1))
.setWifiNetworkKeys(setOf(TEST_WIFI_KEY1)).build().let {
val expectedTemplate = NetworkTemplate(MATCH_WIFI, TEST_IMSI1,
arrayOf(TEST_IMSI1), arrayOf(TEST_WIFI_KEY1),
METERED_ALL, ROAMING_ALL, DEFAULT_NETWORK_ALL, NETWORK_TYPE_ALL,
OEM_MANAGED_ALL, SUBSCRIBER_ID_MATCH_RULE_EXACT)
assertEquals(expectedTemplate, it)
}
// Verify template which matches ethernet and bluetooth networks.
// See buildTemplateEthernet and buildTemplateBluetooth.
listOf(MATCH_ETHERNET, MATCH_BLUETOOTH).forEach { matchRule ->
NetworkTemplate.Builder(matchRule).build().let {
val expectedTemplate = NetworkTemplate(matchRule, null /*subscriberId*/,
null /*subscriberIds*/, arrayOf<String>(),
METERED_ALL, ROAMING_ALL, DEFAULT_NETWORK_ALL, NETWORK_TYPE_ALL,
OEM_MANAGED_ALL, SUBSCRIBER_ID_MATCH_RULE_ALL)
assertEquals(expectedTemplate, it)
}
}
}
@Test
fun testBuilderWifiNetworkKeys() {
// Verify template builder which generates same template with the given different
// sequence keys.
NetworkTemplate.Builder(MATCH_WIFI).setWifiNetworkKeys(
setOf(TEST_WIFI_KEY1, TEST_WIFI_KEY2)).build().let {
val expectedTemplate = NetworkTemplate.Builder(MATCH_WIFI).setWifiNetworkKeys(
setOf(TEST_WIFI_KEY2, TEST_WIFI_KEY1)).build()
assertEquals(expectedTemplate, it)
}
// Verify template which matches non-wifi networks with the given key is invalid.
listOf(MATCH_MOBILE, MATCH_CARRIER, MATCH_ETHERNET, MATCH_BLUETOOTH, -1,
Integer.MAX_VALUE).forEach { matchRule ->
assertFailsWith<IllegalArgumentException> {
NetworkTemplate.Builder(matchRule).setWifiNetworkKeys(setOf(TEST_WIFI_KEY1)).build()
}
}
// Verify template which matches wifi networks with the given null key is invalid.
assertFailsWith<IllegalArgumentException> {
NetworkTemplate.Builder(MATCH_WIFI).setWifiNetworkKeys(setOf(null)).build()
}
// Verify template which matches wifi wildcard with the given empty key set.
NetworkTemplate.Builder(MATCH_WIFI).setWifiNetworkKeys(setOf<String>()).build().let {
val expectedTemplate = NetworkTemplate(MATCH_WIFI_WILDCARD, null /*subscriberId*/,
arrayOf<String>() /*subscriberIds*/, arrayOf<String>(),
METERED_ALL, ROAMING_ALL, DEFAULT_NETWORK_ALL, NETWORK_TYPE_ALL,
OEM_MANAGED_ALL, SUBSCRIBER_ID_MATCH_RULE_ALL)
assertEquals(expectedTemplate, it)
}
}
}
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