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/*
* 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 com.android.ike.eap.statemachine;
import static com.android.ike.eap.message.EapData.EAP_TYPE_AKA_PRIME;
import static com.android.ike.eap.message.EapMessage.EAP_CODE_REQUEST;
import static com.android.ike.eap.message.EapTestMessageDefinitions.EAP_AKA_PRIME_IDENTITY_BYTES;
import static com.android.ike.eap.message.EapTestMessageDefinitions.EAP_AKA_PRIME_IDENTITY_RESPONSE;
import static com.android.ike.eap.message.EapTestMessageDefinitions.ID_INT;
import static com.android.ike.eap.message.EapTestMessageDefinitions.IMSI;
import static com.android.ike.eap.message.simaka.EapAkaTypeData.EAP_AKA_CHALLENGE;
import static com.android.ike.eap.message.simaka.EapAkaTypeData.EAP_AKA_IDENTITY;
import static org.junit.Assert.assertArrayEquals;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import com.android.ike.eap.EapResult.EapResponse;
import com.android.ike.eap.message.EapData;
import com.android.ike.eap.message.EapMessage;
import com.android.ike.eap.message.simaka.EapAkaPrimeTypeData;
import com.android.ike.eap.message.simaka.EapAkaTypeData;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute.AtAnyIdReq;
import com.android.ike.eap.message.simaka.EapSimAkaTypeData.DecodeResult;
import com.android.ike.eap.statemachine.EapAkaPrimeMethodStateMachine.ChallengeState;
import org.junit.Before;
import org.junit.Test;
import java.util.ArrayList;
import java.util.Arrays;
public class EapAkaPrimeChallengeStateTest extends EapAkaPrimeStateTest {
@Before
public void setUp() {
super.setUp();
mStateMachine.transitionTo(mStateMachine.new ChallengeState());
}
@Test
public void testTransitionWithEapIdentity() throws Exception {
mStateMachine.transitionTo(mStateMachine.new CreatedState());
EapData eapData = new EapData(EAP_TYPE_AKA_PRIME, DUMMY_EAP_TYPE_DATA);
EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData);
DecodeResult<EapAkaTypeData> decodeResult =
new DecodeResult<>(new EapAkaPrimeTypeData(EAP_AKA_CHALLENGE, new ArrayList<>()));
when(mMockTypeDataDecoder.decode(eq(DUMMY_EAP_TYPE_DATA))).thenReturn(decodeResult);
mStateMachine.process(eapMessage);
ChallengeState challengeState = (ChallengeState) mStateMachine.getState();
assertArrayEquals(EAP_IDENTITY_BYTES, challengeState.mIdentity);
// decode() is called in CreatedState and ChallengeState
verify(mMockTypeDataDecoder, times(2)).decode(eq(DUMMY_EAP_TYPE_DATA));
}
@Test
public void testTransitionWithEapAkaPrimeIdentity() throws Exception {
mStateMachine.transitionTo(mStateMachine.new CreatedState());
// Process AKA' Identity Request
EapData eapData = new EapData(EAP_TYPE_AKA_PRIME, DUMMY_EAP_TYPE_DATA);
EapMessage eapMessage = new EapMessage(EAP_CODE_REQUEST, ID_INT, eapData);
DecodeResult<EapAkaTypeData> decodeResult =
new DecodeResult<>(
new EapAkaPrimeTypeData(EAP_AKA_IDENTITY, Arrays.asList(new AtAnyIdReq())));
when(mMockTypeDataDecoder.decode(eq(DUMMY_EAP_TYPE_DATA))).thenReturn(decodeResult);
when(mMockTelephonyManager.getSubscriberId()).thenReturn(IMSI);
EapResponse eapResponse = (EapResponse) mStateMachine.process(eapMessage);
assertArrayEquals(EAP_AKA_PRIME_IDENTITY_RESPONSE, eapResponse.packet);
// decode() is called in CreatedState and IdentityState
verify(mMockTypeDataDecoder, times(2)).decode(eq(DUMMY_EAP_TYPE_DATA));
verify(mMockTelephonyManager).getSubscriberId();
// Process AKA' Challenge Request
decodeResult =
new DecodeResult<>(new EapAkaPrimeTypeData(EAP_AKA_CHALLENGE, new ArrayList<>()));
when(mMockTypeDataDecoder.decode(eq(DUMMY_EAP_TYPE_DATA))).thenReturn(decodeResult);
mStateMachine.process(eapMessage);
ChallengeState challengeState = (ChallengeState) mStateMachine.getState();
assertArrayEquals(EAP_AKA_PRIME_IDENTITY_BYTES, challengeState.mIdentity);
// decode() called again in IdentityState and ChallengeState
verify(mMockTypeDataDecoder, times(4)).decode(eq(DUMMY_EAP_TYPE_DATA));
}
}
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