/*
 * Copyright 2002-2016 the original author or authors.
 *
 * Licensed 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.springframework.security.web.authentication.logout;

import static org.assertj.core.api.Assertions.*;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.security.authentication.TestingAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;

/**
 *
 * @author Rob Winch
 *
 */
public class SecurityContextLogoutHandlerTests {
	private MockHttpServletRequest request;
	private MockHttpServletResponse response;
	private SecurityContextLogoutHandler handler;

	@Before
	public void setUp() {
		request = new MockHttpServletRequest();
		response = new MockHttpServletResponse();

		handler = new SecurityContextLogoutHandler();

		SecurityContext context = SecurityContextHolder.createEmptyContext();
		context.setAuthentication(new TestingAuthenticationToken("user", "password",
				AuthorityUtils.createAuthorityList("ROLE_USER")));
		SecurityContextHolder.setContext(context);
	}

	@After
	public void tearDown() {
		SecurityContextHolder.clearContext();
	}

	// SEC-2025
	@Test
	public void clearsAuthentication() {
		SecurityContext beforeContext = SecurityContextHolder.getContext();
		handler.logout(request, response, SecurityContextHolder.getContext()
				.getAuthentication());
		assertThat(beforeContext.getAuthentication()).isNull();
	}

	@Test
	public void disableClearsAuthentication() {
		handler.setClearAuthentication(false);
		SecurityContext beforeContext = SecurityContextHolder.getContext();
		Authentication beforeAuthentication = beforeContext.getAuthentication();
		handler.logout(request, response, SecurityContextHolder.getContext()
				.getAuthentication());

		assertThat(beforeContext.getAuthentication()).isNotNull();
		assertThat(beforeContext.getAuthentication()).isSameAs(beforeAuthentication);
	}
}
