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/*
* Copyright (C) 2021 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 com.android.net.module.util
import android.Manifest.permission.NETWORK_STACK
import android.content.Context
import android.content.pm.PackageManager
import android.content.pm.PackageManager.PERMISSION_DENIED
import android.content.pm.PackageManager.PERMISSION_GRANTED
import android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK
import androidx.test.filters.SmallTest
import androidx.test.runner.AndroidJUnit4
import com.android.net.module.util.PermissionUtils.checkAnyPermissionOf
import com.android.net.module.util.PermissionUtils.enforceAnyPermissionOf
import com.android.net.module.util.PermissionUtils.enforceNetworkStackPermission
import com.android.net.module.util.PermissionUtils.enforceNetworkStackPermissionOr
import com.android.net.module.util.PermissionUtils.enforceSystemFeature
import org.junit.Assert
import org.junit.Assert.assertFalse
import org.junit.Assert.assertTrue
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.ArgumentMatchers
import org.mockito.ArgumentMatchers.any
import org.mockito.Mockito.doReturn
import org.mockito.Mockito.mock
import kotlin.test.assertEquals
import kotlin.test.assertFailsWith
/** Tests for PermissionUtils */
@RunWith(AndroidJUnit4::class)
@SmallTest
class PermissionUtilsTest {
private val TEST_PERMISSION1 = "android.permission.TEST_PERMISSION1"
private val TEST_PERMISSION2 = "android.permission.TEST_PERMISSION2"
private val context = mock(Context::class.java)
private val packageManager = mock(PackageManager::class.java)
@Before
fun setup() {
doReturn(packageManager).`when`(context).packageManager
}
@Test
fun testEnforceAnyPermissionOf() {
doReturn(PERMISSION_GRANTED).`when`(context).checkCallingOrSelfPermission(TEST_PERMISSION1)
doReturn(PERMISSION_DENIED).`when`(context).checkCallingOrSelfPermission(TEST_PERMISSION2)
assertTrue(checkAnyPermissionOf(context, TEST_PERMISSION1, TEST_PERMISSION2))
enforceAnyPermissionOf(context, TEST_PERMISSION1, TEST_PERMISSION2)
doReturn(PERMISSION_DENIED).`when`(context).checkCallingOrSelfPermission(TEST_PERMISSION1)
doReturn(PERMISSION_GRANTED).`when`(context).checkCallingOrSelfPermission(TEST_PERMISSION2)
assertTrue(checkAnyPermissionOf(context, TEST_PERMISSION1, TEST_PERMISSION2))
enforceAnyPermissionOf(context, TEST_PERMISSION1, TEST_PERMISSION2)
doReturn(PERMISSION_DENIED).`when`(context).checkCallingOrSelfPermission(any())
assertFalse(checkAnyPermissionOf(context, TEST_PERMISSION1, TEST_PERMISSION2))
assertFailsWith<SecurityException>("Expect fail but permission granted.") {
enforceAnyPermissionOf(context, TEST_PERMISSION1, TEST_PERMISSION2) }
}
@Test
fun testEnforceNetworkStackPermissionOr() {
doReturn(PERMISSION_GRANTED).`when`(context).checkCallingOrSelfPermission(NETWORK_STACK)
doReturn(PERMISSION_DENIED).`when`(context)
.checkCallingOrSelfPermission(PERMISSION_MAINLINE_NETWORK_STACK)
enforceNetworkStackPermission(context)
enforceNetworkStackPermissionOr(context, TEST_PERMISSION1)
doReturn(PERMISSION_DENIED).`when`(context).checkCallingOrSelfPermission(NETWORK_STACK)
doReturn(PERMISSION_GRANTED).`when`(context)
.checkCallingOrSelfPermission(PERMISSION_MAINLINE_NETWORK_STACK)
enforceNetworkStackPermission(context)
enforceNetworkStackPermissionOr(context, TEST_PERMISSION2)
doReturn(PERMISSION_DENIED).`when`(context).checkCallingOrSelfPermission(NETWORK_STACK)
doReturn(PERMISSION_DENIED).`when`(context)
.checkCallingOrSelfPermission(PERMISSION_MAINLINE_NETWORK_STACK)
doReturn(PERMISSION_GRANTED).`when`(context).checkCallingOrSelfPermission(TEST_PERMISSION1)
assertFailsWith<SecurityException>("Expect fail but permission granted.") {
enforceNetworkStackPermission(context) }
enforceNetworkStackPermissionOr(context, TEST_PERMISSION1)
doReturn(PERMISSION_DENIED).`when`(context).checkCallingOrSelfPermission(any())
assertFailsWith<SecurityException>("Expect fail but permission granted.") {
enforceNetworkStackPermission(context) }
assertFailsWith<SecurityException>("Expect fail but permission granted.") {
enforceNetworkStackPermissionOr(context, TEST_PERMISSION2) }
}
private fun mockHasSystemFeature(featureName: String, hasFeature: Boolean) {
doReturn(hasFeature).`when`(packageManager)
.hasSystemFeature(ArgumentMatchers.eq(featureName))
}
@Test
fun testEnforceSystemFeature() {
val systemFeature = "test.system.feature"
val exceptionMessage = "test exception message"
mockHasSystemFeature(featureName = systemFeature, hasFeature = false)
val e = assertFailsWith<UnsupportedOperationException>("Should fail without feature") {
enforceSystemFeature(context, systemFeature, exceptionMessage) }
assertEquals(exceptionMessage, e.message)
mockHasSystemFeature(featureName = systemFeature, hasFeature = true)
try {
enforceSystemFeature(context, systemFeature, "")
} catch (e: UnsupportedOperationException) {
Assert.fail("Exception should have not been thrown with system feature enabled")
}
}
}
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