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package org.apache.cayenne.crypto.transformer.bytes;
import org.apache.cayenne.crypto.unit.SwapBytesTransformer;
import org.junit.Test;
import static org.junit.Assert.*;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* @since 4.0
*/
public class HmacEncryptorTest {
@Test
public void encrypt() throws Exception {
HmacEncryptor encryptor = mock(HmacEncryptor.class);
encryptor.delegate = SwapBytesTransformer.encryptor();
when(encryptor.createHmac(any(byte[].class))).thenReturn(new byte[]{0, 1, 2, 3, 4, 5, 6, 7});
when(encryptor.encrypt(any(byte[].class), anyInt(), any(byte[].class))).thenCallRealMethod();
byte[] input = {-1, -2, -3};
byte[] result1 = encryptor.encrypt(input, 0, new byte[1]);
assertArrayEquals(new byte[]{8, 0, 1, 2, 3, 4, 5, 6, 7, -3, -2, -1}, result1);
byte[] result2 = encryptor.encrypt(input, 5, new byte[1]);
assertArrayEquals(new byte[]{0, 0, 0, 0, 0, 8, 0, 1, 2, 3, 4, 5, 6, 7, -3, -2, -1}, result2);
}
}