/* See LICENSE for licensing and NOTICE for copyright. */
package org.ldaptive.io;

import java.io.ByteArrayInputStream;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import org.ldaptive.LdapUtils;
import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

/**
 * Unit test for {@link CertificateValueTranscoder}.
 *
 * @author  Middleware Services
 */
public class CertificateValueTranscoderTest
{

  /** Certificate with CN=a.foo.com. */
  private static final String A_FOO_COM_CERT =
    "MIIDrzCCApegAwIBAgIJAK+nL4I3GkjeMA0GCSqGSIb3DQEBBQUAMEMxEjAQBgNV" +
    "BAMTCWEuZm9vLmNvbTEYMBYGCgmSJomT8ixkARkWCGxkYXB0aXZlMRMwEQYKCZIm" +
    "iZPyLGQBGRYDb3JnMB4XDTEyMDExNzIxNDAxNVoXDTIyMDExNDIxNDAxNVowQzES" +
    "MBAGA1UEAxMJYS5mb28uY29tMRgwFgYKCZImiZPyLGQBGRYIbGRhcHRpdmUxEzAR" +
    "BgoJkiaJk/IsZAEZFgNvcmcwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB" +
    "AQDGRxBVvGZqHFWbYdbpOZaBf4H68b7zjiqbpXXq+mTfVOehIUeyL0624JsdmHLx" +
    "oMNC7K9hAaM88wxcyhBRLRfo4ar1DJspzcFUoz2kFD7ytWGS2zwvV+VWnoXpPNiw" +
    "9QuK6bdA/UYLIg/fk3TwshuoIT9VBJ4L3TRdOYYgH6WJBerQ2L5vMu91B9nBhNqR" +
    "4RG8VFqwgwW9IoXBXC8XTZS5jd0bVoEoeA+PWVENQ3my5ilP4VUqo9h/jPdb8dFW" +
    "3TNoaVHjOiTUOIpH+5cUmi0OkH2NzhTaWmCVoWuzFpvvB6PFHHxut2pDe8eGgc4x" +
    "NdEvZDizbfY6JEb/fkwZ+Im9AgMBAAGjgaUwgaIwHQYDVR0OBBYEFPUscUXspD8Z" +
    "LP3b6yybVhXhp5C2MHMGA1UdIwRsMGqAFPUscUXspD8ZLP3b6yybVhXhp5C2oUek" +
    "RTBDMRIwEAYDVQQDEwlhLmZvby5jb20xGDAWBgoJkiaJk/IsZAEZFghsZGFwdGl2" +
    "ZTETMBEGCgmSJomT8ixkARkWA29yZ4IJAK+nL4I3GkjeMAwGA1UdEwQFMAMBAf8w" +
    "DQYJKoZIhvcNAQEFBQADggEBALam5DdoM7cyOS2GbiA7QAfZTJkBcVr4Fef9aDWR" +
    "cG3kzbEbu1OXf3lkRW11H7gPLOgZGebSsxsv6YhKgAtz7py3lyH5QNkrN0OGI1ZA" +
    "eXf76eSR4T26pYjxln26xyZUW/dcddQ0nSj9Yl52oFCWj38DqGaxP6hIu3DHGlcE" +
    "PtpM2T4ZjWgrsqxL8N59zMb0Re9V4Xop7KmsLs3ThF3RWwmZdC1ba5LRPK6lKNF5" +
    "CnSl5YzFUMnpzFZtneUhAHeFxrF+RV4f3bHLNs+sWjlmJo0ukCCnOzoiyE4oOJiL" +
    "AhDym4nIfzng6fgYBeLT1Hp/bKHivQP4ef4wgre6r1ztnFA=";

  /** Transcoder to test. */
  private final CertificateValueTranscoder transcoder = new CertificateValueTranscoder();


  /**
   * Certificate test data.
   *
   * @return  ldap attribute values
   *
   * @throws  Exception  if test data cannot be generated
   */
  @DataProvider(name = "certs")
  public Object[][] createCerts()
    throws Exception
  {
    final CertificateFactory cf = CertificateFactory.getInstance("X.509");
    final Certificate cert = cf.generateCertificate(new ByteArrayInputStream(LdapUtils.base64Decode(A_FOO_COM_CERT)));

    return
      new Object[][] {
        new Object[] {
          cert,
          "-----BEGIN CERTIFICATE-----\n" + A_FOO_COM_CERT + "\n-----END CERTIFICATE-----",
          LdapUtils.base64Decode(A_FOO_COM_CERT),
        },
      };
  }


  /**
   * @param  cert  certificate to compare
   * @param  s  ldap attribute string value
   * @param  b  ldap attribute binary value
   *
   * @throws  Exception  On test failure.
   */
  @Test(groups = {"io"}, dataProvider = "certs")
  public void testTranscode(final Certificate cert, final String s, final byte[] b)
    throws Exception
  {
    Assert.assertEquals(cert, transcoder.decodeStringValue(s));
    Assert.assertEquals(cert, transcoder.decodeBinaryValue(b));
    Assert.assertEquals(s, transcoder.encodeStringValue(cert));
    Assert.assertEquals(b, transcoder.encodeBinaryValue(cert));
  }
}