PreAuthServiceTest.java

/**
 * 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,
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 * See the License for the specific language governing permissions and
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package org.apache.hadoop.gateway.provider.federation;

import junit.framework.TestCase;
import org.apache.hadoop.gateway.preauth.filter.*;
import org.junit.Test;

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

import java.util.List;
import java.util.Map;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class PreAuthServiceTest extends TestCase {

  @Test
  public void testValidatorMap() {
    Map<String, PreAuthValidator> valMap = PreAuthService.getValidatorMap();
    assertNotNull(valMap.get(IPValidator.IP_VALIDATION_METHOD_VALUE));
    assertEquals(valMap.get(IPValidator.IP_VALIDATION_METHOD_VALUE).getName(), IPValidator.IP_VALIDATION_METHOD_VALUE);
    assertNotNull(valMap.get(DefaultValidator.DEFAULT_VALIDATION_METHOD_VALUE));
    assertEquals(valMap.get(DefaultValidator.DEFAULT_VALIDATION_METHOD_VALUE).getName(), DefaultValidator.DEFAULT_VALIDATION_METHOD_VALUE);

    //Negative test
    assertNull(valMap.get("NonExists"));
  }

  @Test
  public void testDefaultValidator() throws ServletException, PreAuthValidationException {
    final HttpServletRequest request = mock(HttpServletRequest.class);
    final FilterConfig filterConfig = mock(FilterConfig.class);
    when(filterConfig.getInitParameter(PreAuthService.VALIDATION_METHOD_PARAM)).thenReturn
        (DefaultValidator.DEFAULT_VALIDATION_METHOD_VALUE);
    List<PreAuthValidator> validators = PreAuthService.getValidators(filterConfig);
    assertEquals(validators.size(), 1);
    assertEquals(validators.get(0).getName(), DefaultValidator.DEFAULT_VALIDATION_METHOD_VALUE);
    assertTrue(PreAuthService.validate(request, filterConfig, validators));
  }

  @Test
  public void testIPValidator() throws ServletException, PreAuthValidationException {
    final HttpServletRequest request = mock(HttpServletRequest.class);
    when(request.getRemoteAddr()).thenReturn("10.1.23.42");
    final FilterConfig filterConfig = mock(FilterConfig.class);
    when(filterConfig.getInitParameter(IPValidator.IP_ADDRESSES_PARAM)).thenReturn("5.4.3.2,10.1.23.42");
    when(filterConfig.getInitParameter(PreAuthService.VALIDATION_METHOD_PARAM)).thenReturn(IPValidator
        .IP_VALIDATION_METHOD_VALUE);
    List<PreAuthValidator> validators = PreAuthService.getValidators(filterConfig);
    assertEquals(validators.size(), 1);
    assertEquals(validators.get(0).getName(), IPValidator.IP_VALIDATION_METHOD_VALUE);
    assertTrue(PreAuthService.validate(request, filterConfig, validators));
    //Negative testing
    when(request.getRemoteAddr()).thenReturn("10.10.22.33");
    assertFalse(PreAuthService.validate(request, filterConfig, validators));
  }

  @Test
  public void testMultipleValidatorsPositive() throws ServletException, PreAuthValidationException {
    final HttpServletRequest request = mock(HttpServletRequest.class);
    when(request.getRemoteAddr()).thenReturn("10.1.23.42");
    final FilterConfig filterConfig = mock(FilterConfig.class);
    when(filterConfig.getInitParameter(IPValidator.IP_ADDRESSES_PARAM)).thenReturn("5.4.3.2,10.1.23.42");
    when(filterConfig.getInitParameter(PreAuthService.VALIDATION_METHOD_PARAM)).thenReturn
        (DefaultValidator.DEFAULT_VALIDATION_METHOD_VALUE + "," + IPValidator.IP_VALIDATION_METHOD_VALUE );
    List<PreAuthValidator> validators = PreAuthService.getValidators(filterConfig);
    assertEquals(validators.size(), 2);
    assertEquals(validators.get(0).getName(), DefaultValidator.DEFAULT_VALIDATION_METHOD_VALUE);
    assertEquals(validators.get(1).getName(), IPValidator.IP_VALIDATION_METHOD_VALUE);

    assertTrue(PreAuthService.validate(request, filterConfig, validators));
    //Negative testing
    when(request.getRemoteAddr()).thenReturn("10.10.22.33");
    assertFalse(PreAuthService.validate(request, filterConfig, validators));

  }

  @Test
  public void testMultipleValidatorsNegative() throws ServletException, PreAuthValidationException {
    final FilterConfig filterConfig = mock(FilterConfig.class);
    when(filterConfig.getInitParameter(PreAuthService.VALIDATION_METHOD_PARAM)).thenReturn
        (DefaultValidator.DEFAULT_VALIDATION_METHOD_VALUE + ",  NOT_EXISTED_VALIDATOR" );
    try {
      PreAuthService.getValidators(filterConfig);
      fail("Should throw exception due to invalid validator");
    } catch (Exception e) {
      //Expected
    }
  }
}