/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.ambari.server.security.authorization;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.util.List;

import org.apache.ambari.server.audit.AuditLoggerModule;
import org.apache.ambari.server.configuration.Configuration;
import org.junit.Before;
import org.junit.Test;

import com.google.inject.Guice;
import com.google.inject.Inject;
import com.google.inject.Injector;

public class LdapServerPropertiesTest {

  private final Injector injector;

  private static final String INCORRECT_URL_LIST = "Incorrect LDAP URL list created";
  private static final String INCORRECT_USER_SEARCH_FILTER = "Incorrect search filter";

  protected LdapServerProperties ldapServerProperties;

  @Inject
  Configuration configuration;

  public LdapServerPropertiesTest() {
    injector = Guice.createInjector(new AuditLoggerModule(), new AuthorizationTestModule());
    injector.injectMembers(this);
  }

  @Before
  public void setUp() throws Exception {
    ldapServerProperties =  new LdapServerProperties();
    ldapServerProperties.setAnonymousBind(true);
    ldapServerProperties.setBaseDN("dc=ambari,dc=apache,dc=org");
    ldapServerProperties.setManagerDn("uid=manager," + ldapServerProperties.getBaseDN());
    ldapServerProperties.setManagerPassword("password");
    ldapServerProperties.setUseSsl(false);
    ldapServerProperties.setPrimaryUrl("1.2.3.4:389");
    ldapServerProperties.setUsernameAttribute("uid");
    ldapServerProperties.setUserObjectClass("dummyObjectClass");
  }

  @Test
  public void testGetLdapUrls() throws Exception {
    List<String> urls = ldapServerProperties.getLdapUrls();
    assertEquals(INCORRECT_URL_LIST, 1, urls.size());
    assertEquals(INCORRECT_URL_LIST, "ldap://1.2.3.4:389", urls.get(0));
    ldapServerProperties.setSecondaryUrl("4.3.2.1:1234");
    urls = ldapServerProperties.getLdapUrls();
    assertEquals(INCORRECT_URL_LIST, 2, urls.size());
    assertEquals(INCORRECT_URL_LIST, "ldap://4.3.2.1:1234", urls.get(1));
    ldapServerProperties.setUseSsl(true);
    urls = ldapServerProperties.getLdapUrls();
    assertEquals(INCORRECT_URL_LIST, "ldaps://1.2.3.4:389", urls.get(0));
    assertEquals(INCORRECT_URL_LIST, "ldaps://4.3.2.1:1234", urls.get(1));
  }

  @Test
  public void testGetUserSearchFilter() throws Exception {
    ldapServerProperties.setUserSearchFilter("(&({usernameAttribute}={0})(objectClass={userObjectClass}))");
    assertEquals(INCORRECT_USER_SEARCH_FILTER, "(&(uid={0})(objectClass=dummyObjectClass))", ldapServerProperties.getUserSearchFilter(false));

    ldapServerProperties.setUsernameAttribute("anotherName");
    assertEquals(INCORRECT_USER_SEARCH_FILTER, "(&(anotherName={0})(objectClass=dummyObjectClass))", ldapServerProperties.getUserSearchFilter(false));
  }

  @Test
  public void testGetAlternatUserSearchFilterForUserPrincipalName() throws Exception {
    ldapServerProperties.setAlternateUserSearchFilter("(&({usernameAttribute}={0})(objectClass={userObjectClass}))");
    assertEquals(INCORRECT_USER_SEARCH_FILTER, "(&(uid={0})(objectClass=dummyObjectClass))", ldapServerProperties.getUserSearchFilter(true));

    ldapServerProperties.setUsernameAttribute("anotherName");
    assertEquals(INCORRECT_USER_SEARCH_FILTER, "(&(anotherName={0})(objectClass=dummyObjectClass))", ldapServerProperties.getUserSearchFilter(true));
  }

  @Test
  public void testEquals() throws Exception {
    LdapServerProperties properties1 = configuration.getLdapServerProperties();
    LdapServerProperties properties2 = configuration.getLdapServerProperties();
    assertTrue("Properties object is same", properties1 != properties2);
    assertTrue("Objects are not equal", properties1.equals(properties2));
    assertTrue("Hash codes are not equal", properties1.hashCode() == properties2.hashCode());
    properties2.setSecondaryUrl("5.6.7.8:389");
    assertFalse("Objects are equal", properties1.equals(properties2));
  }

  @Test
  public void testResolveUserSearchFilterPlaceHolders() throws Exception {
    String ldapUserSearchFilter = "{usernameAttribute}={0}  {userObjectClass}={1}";
    String filter = ldapServerProperties.resolveUserSearchFilterPlaceHolders(ldapUserSearchFilter);

    assertEquals("uid={0}  dummyObjectClass={1}", filter);
  }
}