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  package org.apache.cayenne.crypto.transformer.bytes;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.cayenne.crypto.CryptoConstants;
  import org.apache.cayenne.crypto.key.KeySource;
  import org.junit.Test;
  
  public class DefaultBytesTransformerFactoryTest {
  
      @Test
      public void testCreateEncryptionHeader() {
  
          Map<String, String> properties = new HashMap<>();
          KeySource keySource = mock(KeySource.class);
          when(keySource.getDefaultKeyAlias()).thenReturn("bla");
  
          Header h1 = DefaultBytesTransformerFactory.createEncryptionHeader(properties, keySource);
          assertNotNull(h1);
          assertFalse(h1.isCompressed());
          assertEquals("bla", h1.getKeyName());
  
          properties.put(CryptoConstants.COMPRESSION, "false");
          Header h2 = DefaultBytesTransformerFactory.createEncryptionHeader(properties, keySource);
          assertFalse(h2.isCompressed());
          assertEquals("bla", h2.getKeyName());
  
          properties.put(CryptoConstants.COMPRESSION, "true");
          Header h3 = DefaultBytesTransformerFactory.createEncryptionHeader(properties, keySource);
          assertTrue(h3.isCompressed());
          assertEquals("bla", h3.getKeyName());
      }
  
  }
  