| /* |
| * 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.internal.net; |
| |
| import static org.mockito.Matchers.anyObject; |
| import static org.mockito.Matchers.anyString; |
| import static org.mockito.Mockito.doAnswer; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.spy; |
| |
| import com.android.internal.net.ipsec.test.ike.utils.RandomnessFactory; |
| import com.android.internal.net.utils.test.Log; |
| |
| import java.nio.ByteBuffer; |
| |
| /** TestUtils provides utility methods to facilitate IKE unit tests */ |
| public class TestUtils { |
| public static byte[] hexStringToByteArray(String hexString) { |
| int len = hexString.length(); |
| if (len % 2 != 0) { |
| throw new IllegalArgumentException("Invalid Hex String"); |
| } |
| byte[] data = new byte[len / 2]; |
| for (int i = 0; i < len; i += 2) { |
| data[i / 2] = |
| (byte) |
| ((Character.digit(hexString.charAt(i), 16) << 4) |
| + Character.digit(hexString.charAt(i + 1), 16)); |
| } |
| return data; |
| } |
| |
| public static int hexStringToInt(String hexString) { |
| if (hexString.length() > 8) { |
| throw new IllegalArgumentException("Invalid hex string length for integer type"); |
| } |
| |
| for (int i = hexString.length(); i < 8; i++) { |
| hexString = "0" + hexString; |
| } |
| |
| return ByteBuffer.wrap(hexStringToByteArray(hexString)).getInt(); |
| } |
| |
| public static String stringToHexString(String s) { |
| // two hex characters for each char in s |
| StringBuilder sb = new StringBuilder(s.length() * 2); |
| char[] chars = s.toCharArray(); |
| for (char c : chars) { |
| sb.append(Integer.toHexString(c)); |
| } |
| return sb.toString(); |
| } |
| |
| public static Log makeSpyLogThrowExceptionForWtf(String tag) { |
| Log spyLog = spy(new Log(tag, true /*logSensitive*/)); |
| |
| doAnswer( |
| (invocation) -> { |
| throw new IllegalStateException((String) invocation.getArguments()[1]); |
| }) |
| .when(spyLog) |
| .wtf(anyString(), anyString()); |
| |
| doAnswer( |
| (invocation) -> { |
| throw (Throwable) invocation.getArguments()[2]; |
| }) |
| .when(spyLog) |
| .wtf(anyString(), anyString(), anyObject()); |
| |
| return spyLog; |
| } |
| |
| public static Log makeSpyLogDoLogErrorForWtf(String tag) { |
| Log spyLog = spy(new Log(tag, true /*logSensitive*/)); |
| |
| doAnswer( |
| (invocation) -> { |
| spyLog.e( |
| "Mock logging WTF: " + invocation.getArguments()[0], |
| (String) invocation.getArguments()[1]); |
| return null; |
| }) |
| .when(spyLog) |
| .wtf(anyString(), anyString()); |
| |
| doAnswer( |
| (invocation) -> { |
| spyLog.e( |
| "Mock logging WTF: " + invocation.getArguments()[0], |
| (String) invocation.getArguments()[1], |
| (Throwable) invocation.getArguments()[2]); |
| return null; |
| }) |
| .when(spyLog) |
| .wtf(anyString(), anyString(), anyObject()); |
| |
| return spyLog; |
| } |
| |
| public static RandomnessFactory createMockRandomFactory() { |
| RandomnessFactory rFactory = mock(RandomnessFactory.class); |
| doReturn(null).when(rFactory).getRandom(); |
| return rFactory; |
| } |
| } |