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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.ikev2;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.os.test.TestLooper;
import com.android.ike.ikev2.IkeSessionStateMachine.IChildSessionCallback;
import com.android.ike.ikev2.SaRecord.ChildSaRecord;
import com.android.ike.ikev2.SaRecord.ISaRecordHelper;
import com.android.ike.ikev2.SaRecord.SaRecordHelper;
import com.android.ike.ikev2.exceptions.IkeException;
import com.android.ike.ikev2.message.IkePayload;
import com.android.ike.ikev2.message.TestUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.nio.ByteBuffer;
import java.util.LinkedList;
import java.util.List;
public final class ChildSessionStateMachineTest {
private static final String IKE_AUTH_REQ_SA_PAYLOAD =
"2c00002c00000028010304032ad4c0a20300000c0100000c800e0080"
+ "03000008030000020000000805000000";
private static final String IKE_AUTH_RESP_SA_PAYLOAD =
"2c00002c0000002801030403cae7019f0300000c0100000c800e0080"
+ "03000008030000020000000805000000";
private static final String CURRENT_CHILD_SA_SPI_IN = "2ad4c0a2";
private static final String CURRENT_CHILD_SA_SPI_OUT = "cae7019f";
private TestLooper mLooper;
private ChildSessionStateMachine mChildSessionStateMachine;
private List<IkePayload> mAuthReqSaNegoPayloads = new LinkedList<>();
private List<IkePayload> mAuthRespSaNegoPayloads = new LinkedList<>();
private ChildSaRecord mSpyCurrentChildSaRecord;
private ISaRecordHelper mMockSaRecordHelper;
private IChildSessionCallback mMockChildSessionCallback;
private ChildSessionOptions mMockChildSessionOptions;
public ChildSessionStateMachineTest() {
mMockSaRecordHelper = mock(SaRecord.ISaRecordHelper.class);
mMockChildSessionCallback = mock(IChildSessionCallback.class);
mMockChildSessionOptions = mock(ChildSessionOptions.class);
}
@Before
public void setup() throws Exception {
// Setup thread and looper
mLooper = new TestLooper();
mChildSessionStateMachine =
new ChildSessionStateMachine(
"ChildSessionStateMachine", mLooper.getLooper(), mMockChildSessionOptions);
mChildSessionStateMachine.setDbg(true);
SaRecord.setSaRecordHelper(mMockSaRecordHelper);
setUpPayloadLists();
setUpChildSaRecords();
mChildSessionStateMachine.start();
}
private void setUpPayloadLists() throws IkeException {
mAuthReqSaNegoPayloads.add(
TestUtils.hexStringToIkePayload(
IkePayload.PAYLOAD_TYPE_SA, false, IKE_AUTH_REQ_SA_PAYLOAD));
mAuthRespSaNegoPayloads.add(
TestUtils.hexStringToIkePayload(
IkePayload.PAYLOAD_TYPE_SA, true, IKE_AUTH_RESP_SA_PAYLOAD));
// TODO: Build and add Traffic Selector Payloads to two payload lists.
}
private void setUpChildSaRecords() {
mSpyCurrentChildSaRecord =
spy(makeDummyChildSaRecord(CURRENT_CHILD_SA_SPI_IN, CURRENT_CHILD_SA_SPI_OUT));
}
private ChildSaRecord makeDummyChildSaRecord(String inboundSpiHex, String outboundSpiHex) {
byte[] spiInBytes = TestUtils.hexStringToByteArray(CURRENT_CHILD_SA_SPI_IN);
int spiIn = ByteBuffer.wrap(spiInBytes).getInt();
byte[] spiOutBytes = TestUtils.hexStringToByteArray(CURRENT_CHILD_SA_SPI_OUT);
int spiOut = ByteBuffer.wrap(spiOutBytes).getInt();
return new ChildSaRecord(spiIn, spiOut, null, null);
}
@After
public void tearDown() {
mChildSessionStateMachine.quit();
mChildSessionStateMachine.setDbg(false);
SaRecord.setSaRecordHelper(new SaRecordHelper());
}
@Test
public void testCreateFirstChild() throws Exception {
when(mMockSaRecordHelper.makeChildSaRecord(any(), any()))
.thenReturn(mSpyCurrentChildSaRecord);
mChildSessionStateMachine.handleFirstChildExchange(
mAuthReqSaNegoPayloads, mAuthRespSaNegoPayloads, mMockChildSessionCallback);
mLooper.dispatchAll();
verify(mMockChildSessionCallback)
.onCreateChildSa(mSpyCurrentChildSaRecord.outboundSpi, mChildSessionStateMachine);
assertTrue(
mChildSessionStateMachine.getCurrentState()
instanceof ChildSessionStateMachine.Idle);
assertEquals(mSpyCurrentChildSaRecord, mChildSessionStateMachine.mCurrentChildSaRecord);
}
}
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