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/*
* Copyright (C) 2020 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.server;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.vcn.VcnConfig;
import android.os.ParcelUuid;
import android.os.Process;
import android.os.UserHandle;
import android.os.test.TestLooper;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.Collections;
import java.util.UUID;
/** Tests for {@link VcnManagementService}. */
@RunWith(AndroidJUnit4.class)
@SmallTest
public class VcnManagementServiceTest {
private static final ParcelUuid TEST_UUID_1 = new ParcelUuid(new UUID(0, 0));
private static final SubscriptionInfo TEST_SUBSCRIPTION_INFO =
new SubscriptionInfo(
1 /* id */,
"" /* iccId */,
0 /* simSlotIndex */,
"Carrier" /* displayName */,
"Carrier" /* carrierName */,
0 /* nameSource */,
255 /* iconTint */,
"12345" /* number */,
0 /* roaming */,
null /* icon */,
"0" /* mcc */,
"0" /* mnc */,
"0" /* countryIso */,
false /* isEmbedded */,
null /* nativeAccessRules */,
null /* cardString */,
false /* isOpportunistic */,
TEST_UUID_1.toString() /* groupUUID */,
0 /* carrierId */,
0 /* profileClass */);
private final Context mMockContext = mock(Context.class);
private final VcnManagementService.Dependencies mMockDeps =
mock(VcnManagementService.Dependencies.class);
private final TestLooper mTestLooper = new TestLooper();
private final ConnectivityManager mConnMgr = mock(ConnectivityManager.class);
private final TelephonyManager mTelMgr = mock(TelephonyManager.class);
private final SubscriptionManager mSubMgr = mock(SubscriptionManager.class);
private final VcnManagementService mVcnMgmtSvc;
public VcnManagementServiceTest() throws Exception {
setupSystemService(mConnMgr, Context.CONNECTIVITY_SERVICE, ConnectivityManager.class);
setupSystemService(mTelMgr, Context.TELEPHONY_SERVICE, TelephonyManager.class);
setupSystemService(
mSubMgr, Context.TELEPHONY_SUBSCRIPTION_SERVICE, SubscriptionManager.class);
doReturn(mTestLooper.getLooper()).when(mMockDeps).getLooper();
doReturn(Process.FIRST_APPLICATION_UID).when(mMockDeps).getBinderCallingUid();
setupMockedCarrierPrivilege(true);
mVcnMgmtSvc = new VcnManagementService(mMockContext, mMockDeps);
}
private void setupSystemService(Object service, String name, Class<?> serviceClass) {
doReturn(name).when(mMockContext).getSystemServiceName(serviceClass);
doReturn(service).when(mMockContext).getSystemService(name);
}
private void setupMockedCarrierPrivilege(boolean isPrivileged) {
doReturn(Collections.singletonList(TEST_SUBSCRIPTION_INFO))
.when(mSubMgr)
.getSubscriptionsInGroup(any());
doReturn(isPrivileged)
.when(mTelMgr)
.hasCarrierPrivileges(eq(TEST_SUBSCRIPTION_INFO.getSubscriptionId()));
}
@Test
public void testSystemReady() throws Exception {
mVcnMgmtSvc.systemReady();
verify(mConnMgr)
.registerNetworkProvider(any(VcnManagementService.VcnNetworkProvider.class));
}
@Test
public void testSetVcnConfigRequiresNonSystemServer() throws Exception {
doReturn(Process.SYSTEM_UID).when(mMockDeps).getBinderCallingUid();
try {
mVcnMgmtSvc.setVcnConfig(TEST_UUID_1, new VcnConfig.Builder().build());
fail("Expected IllegalStateException exception for system server");
} catch (IllegalStateException expected) {
}
}
@Test
public void testSetVcnConfigRequiresSystemUser() throws Exception {
doReturn(UserHandle.getUid(UserHandle.MIN_SECONDARY_USER_ID, Process.FIRST_APPLICATION_UID))
.when(mMockDeps)
.getBinderCallingUid();
try {
mVcnMgmtSvc.setVcnConfig(TEST_UUID_1, new VcnConfig.Builder().build());
fail("Expected security exception for non system user");
} catch (SecurityException expected) {
}
}
@Test
public void testSetVcnConfigRequiresCarrierPrivileges() throws Exception {
setupMockedCarrierPrivilege(false);
try {
mVcnMgmtSvc.setVcnConfig(TEST_UUID_1, new VcnConfig.Builder().build());
fail("Expected security exception for missing carrier privileges");
} catch (SecurityException expected) {
}
}
@Test
public void testClearVcnConfigRequiresNonSystemServer() throws Exception {
doReturn(Process.SYSTEM_UID).when(mMockDeps).getBinderCallingUid();
try {
mVcnMgmtSvc.clearVcnConfig(TEST_UUID_1);
fail("Expected IllegalStateException exception for system server");
} catch (IllegalStateException expected) {
}
}
@Test
public void testClearVcnConfigRequiresSystemUser() throws Exception {
doReturn(UserHandle.getUid(UserHandle.MIN_SECONDARY_USER_ID, Process.FIRST_APPLICATION_UID))
.when(mMockDeps)
.getBinderCallingUid();
try {
mVcnMgmtSvc.clearVcnConfig(TEST_UUID_1);
fail("Expected security exception for non system user");
} catch (SecurityException expected) {
}
}
@Test
public void testClearVcnConfigRequiresCarrierPrivileges() throws Exception {
setupMockedCarrierPrivilege(false);
try {
mVcnMgmtSvc.clearVcnConfig(TEST_UUID_1);
fail("Expected security exception for missing carrier privileges");
} catch (SecurityException expected) {
}
}
}
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