| /* |
| * Copyright (C) 2019 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.util |
| |
| import android.content.Context |
| import android.content.res.Resources |
| import android.net.NetworkCapabilities |
| import android.net.NetworkCapabilities.MAX_TRANSPORT |
| import android.net.NetworkCapabilities.TRANSPORT_CELLULAR |
| import android.net.NetworkCapabilities.TRANSPORT_ETHERNET |
| import android.net.NetworkCapabilities.TRANSPORT_VPN |
| import android.net.NetworkCapabilities.TRANSPORT_WIFI |
| import androidx.test.filters.SmallTest |
| import com.android.internal.R |
| import org.junit.Assert.assertArrayEquals |
| import org.junit.Assert.assertEquals |
| import org.junit.Assert.fail |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| import org.mockito.ArgumentMatchers |
| import org.mockito.Mockito.doReturn |
| import org.mockito.Mockito.mock |
| |
| /** |
| * Tests for [KeepaliveUtils]. |
| * |
| * Build, install and run with: |
| * atest android.net.util.KeepaliveUtilsTest |
| */ |
| @RunWith(JUnit4::class) |
| @SmallTest |
| class KeepaliveUtilsTest { |
| |
| // Prepare mocked context with given resource strings. |
| private fun getMockedContextWithStringArrayRes(id: Int, res: Array<out String?>?): Context { |
| val mockRes = mock(Resources::class.java) |
| doReturn(res).`when`(mockRes).getStringArray(ArgumentMatchers.eq(id)) |
| |
| return mock(Context::class.java).apply { |
| doReturn(mockRes).`when`(this).getResources() |
| } |
| } |
| |
| @Test |
| fun testGetSupportedKeepalives() { |
| fun assertRunWithException(res: Array<out String?>?) { |
| try { |
| val mockContext = getMockedContextWithStringArrayRes( |
| R.array.config_networkSupportedKeepaliveCount, res) |
| KeepaliveUtils.getSupportedKeepalives(mockContext) |
| fail("Expected KeepaliveDeviceConfigurationException") |
| } catch (expected: KeepaliveUtils.KeepaliveDeviceConfigurationException) { |
| } |
| } |
| |
| // Check resource with various invalid format. |
| assertRunWithException(null) |
| assertRunWithException(arrayOf<String?>(null)) |
| assertRunWithException(arrayOfNulls<String?>(10)) |
| assertRunWithException(arrayOf("")) |
| assertRunWithException(arrayOf("3,ABC")) |
| assertRunWithException(arrayOf("6,3,3")) |
| assertRunWithException(arrayOf("5")) |
| |
| // Check resource with invalid slots value. |
| assertRunWithException(arrayOf("2,2")) |
| assertRunWithException(arrayOf("3,-1")) |
| |
| // Check resource with invalid transport type. |
| assertRunWithException(arrayOf("-1,3")) |
| assertRunWithException(arrayOf("10,3")) |
| |
| // Check valid customization generates expected array. |
| val validRes = arrayOf("0,3", "1,0", "4,4") |
| val expectedValidRes = intArrayOf(3, 0, 0, 0, 4, 0, 0, 0) |
| |
| val mockContext = getMockedContextWithStringArrayRes( |
| R.array.config_networkSupportedKeepaliveCount, validRes) |
| val actual = KeepaliveUtils.getSupportedKeepalives(mockContext) |
| assertArrayEquals(expectedValidRes, actual) |
| } |
| |
| @Test |
| fun testGetSupportedKeepalivesForNetworkCapabilities() { |
| // Mock customized supported keepalives for each transport type, and assuming: |
| // 3 for cellular, |
| // 6 for wifi, |
| // 0 for others. |
| val cust = IntArray(MAX_TRANSPORT + 1).apply { |
| this[TRANSPORT_CELLULAR] = 3 |
| this[TRANSPORT_WIFI] = 6 |
| } |
| |
| val nc = NetworkCapabilities() |
| // Check supported keepalives with single transport type. |
| nc.transportTypes = intArrayOf(TRANSPORT_CELLULAR) |
| assertEquals(3, KeepaliveUtils.getSupportedKeepalivesForNetworkCapabilities(cust, nc)) |
| |
| // Check supported keepalives with multiple transport types. |
| nc.transportTypes = intArrayOf(TRANSPORT_WIFI, TRANSPORT_VPN) |
| assertEquals(0, KeepaliveUtils.getSupportedKeepalivesForNetworkCapabilities(cust, nc)) |
| |
| // Check supported keepalives with non-customized transport type. |
| nc.transportTypes = intArrayOf(TRANSPORT_ETHERNET) |
| assertEquals(0, KeepaliveUtils.getSupportedKeepalivesForNetworkCapabilities(cust, nc)) |
| |
| // Check supported keepalives with undefined transport type. |
| nc.transportTypes = intArrayOf(MAX_TRANSPORT + 1) |
| try { |
| KeepaliveUtils.getSupportedKeepalivesForNetworkCapabilities(cust, nc) |
| fail("Expected ArrayIndexOutOfBoundsException") |
| } catch (expected: ArrayIndexOutOfBoundsException) { |
| } |
| } |
| } |