/*
 * 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.knox.gateway.provider.federation;

import org.apache.knox.gateway.preauth.filter.IPValidator;
import org.apache.knox.gateway.preauth.filter.PreAuthValidationException;
import org.easymock.EasyMock;
import org.junit.Test;

import javax.servlet.FilterConfig;
import javax.servlet.http.HttpServletRequest;

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

public class IPValidatorTest {
  @Test
  public void testName() {
    IPValidator ipv = new IPValidator();
    assertEquals(ipv.getName(), IPValidator.IP_VALIDATION_METHOD_VALUE);
  }

  @Test
  public void testIPAddressPositive() throws PreAuthValidationException {
    IPValidator ipv = new IPValidator();

    final FilterConfig filterConfig = EasyMock.createMock(FilterConfig.class);
    EasyMock.expect(filterConfig.getInitParameter(IPValidator.IP_ADDRESSES_PARAM)).andReturn("5.4.3.2,10.1.23.42");
    EasyMock.replay(filterConfig);

    final HttpServletRequest request = EasyMock.createMock(HttpServletRequest.class);
    EasyMock.expect(request.getRemoteAddr()).andReturn("10.1.23.42");
    EasyMock.replay(request);

    assertTrue(ipv.validate(request, filterConfig));
  }

  @Test
  public void testIPAddressNegative() throws PreAuthValidationException {
    IPValidator ipv = new IPValidator();

    final FilterConfig filterConfig = EasyMock.createMock(FilterConfig.class);
    EasyMock.expect(filterConfig.getInitParameter(IPValidator.IP_ADDRESSES_PARAM)).andReturn("10.22.34.56");
    EasyMock.replay(filterConfig);

    final HttpServletRequest request = EasyMock.createMock(HttpServletRequest.class);
    EasyMock.expect(request.getRemoteAddr()).andReturn("10.1.23.42");
    EasyMock.replay(request);

    assertFalse(ipv.validate(request, filterConfig));
  }
}