/*
 *********************************************************************************
 *     Cloud Foundry
 *     Copyright (c) [2009-2016] Pivotal Software, Inc. All Rights Reserved.
 *
 *     This product is licensed to you under the Apache License, Version 2.0 (the "License").
 *     You may not use this product except in compliance with the License.
 *
 *     This product includes a number of subcomponents with
 *     separate copyright notices and license terms. Your use of these
 *     subcomponents is subject to the terms and conditions of the
 *     subcomponent's license, as noted in the LICENSE file.
 *******************************************************************************/

package org.cloudfoundry.identity.uaa.security;

import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
import org.springframework.security.saml.trust.X509TrustManager;

import java.security.cert.CertificateExpiredException;
import java.security.cert.X509Certificate;

import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.verify;

public class X509ExpiryCheckingTrustManagerTest {

  @Test
  public void checkServerTrusted_throwsExceptionWhenCertIsExpired() throws Exception {
    X509ExpiryCheckingTrustManager manager = new X509ExpiryCheckingTrustManager();
    X509TrustManager mockedDelegate = Mockito.mock(X509TrustManager.class);
    manager.setDelegate(mockedDelegate);
    X509Certificate certificate = Mockito.mock(X509Certificate.class);
    X509Certificate[] x509Certificates = {certificate};

    doNothing().when(mockedDelegate).checkServerTrusted(x509Certificates, "string");
    doThrow(new CertificateExpiredException()).when(certificate).checkValidity();
    try {
      manager.checkServerTrusted(x509Certificates,"string");
      Assert.fail();
    } catch (CertificateExpiredException e) {
      verify(mockedDelegate).checkServerTrusted(x509Certificates, "string");
      verify(certificate).checkValidity();
    }
  }

  @Test
  public void checkClientTrusted_callsDelegate() throws Exception {
    X509ExpiryCheckingTrustManager manager = new X509ExpiryCheckingTrustManager();
    X509TrustManager mockedDelegate = Mockito.mock(X509TrustManager.class);
    manager.setDelegate(mockedDelegate);

    X509Certificate certificate = Mockito.mock(X509Certificate.class);
    X509Certificate[] x509Certificates = {certificate};

    doNothing().when(mockedDelegate).checkClientTrusted(x509Certificates, "string");
    manager.checkClientTrusted(x509Certificates, "string");
    verify(mockedDelegate).checkClientTrusted(x509Certificates, "string");
  }

  @Test
  public void checkAcceptedIssuers_callsDelegate() throws Exception {
    X509ExpiryCheckingTrustManager manager = new X509ExpiryCheckingTrustManager();
    X509TrustManager mockedDelegate = Mockito.mock(X509TrustManager.class);
    manager.setDelegate(mockedDelegate);

    manager.getAcceptedIssuers();
    verify(mockedDelegate).getAcceptedIssuers();
  }
}