/*
 * 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 org.junit.Test;

import org.springframework.http.HttpStatus;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.security.core.Authentication;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.fail;
import static org.mockito.Mockito.mock;

/**
 * @author Gunnar Hillert
 */
public class HttpStatusReturningLogoutSuccessHandlerTests {

	@Test
	public void testDefaultHttpStatusBeingReturned() throws Exception {
		final HttpStatusReturningLogoutSuccessHandler lsh = new HttpStatusReturningLogoutSuccessHandler();

		MockHttpServletRequest request = new MockHttpServletRequest();
		MockHttpServletResponse response = new MockHttpServletResponse();

		lsh.onLogoutSuccess(request, response, mock(Authentication.class));

		assertThat(request.getSession(false)).isNull();
		assertThat(response.getRedirectedUrl()).isNull();
		assertThat(response.getForwardedUrl()).isNull();
		assertThat(response.getStatus()).isEqualTo(HttpStatus.OK.value());
	}

	@Test
	public void testCustomHttpStatusBeingReturned() throws Exception {
		final HttpStatusReturningLogoutSuccessHandler lsh = new HttpStatusReturningLogoutSuccessHandler(
				HttpStatus.NO_CONTENT);

		MockHttpServletRequest request = new MockHttpServletRequest();
		MockHttpServletResponse response = new MockHttpServletResponse();

		lsh.onLogoutSuccess(request, response, mock(Authentication.class));

		assertThat(request.getSession(false)).isNull();
		assertThat(response.getRedirectedUrl()).isNull();
		assertThat(response.getForwardedUrl()).isNull();
		assertThat(response.getStatus()).isEqualTo(HttpStatus.NO_CONTENT.value());
	}

	@Test
	public void testThatSettNullHttpStatusThrowsException() throws Exception {

		try {
			new HttpStatusReturningLogoutSuccessHandler(null);
		}
		catch (IllegalArgumentException e) {
			assertThat(e).hasMessage("The provided HttpStatus must not be null.");
			return;
		}

		fail("Expected an IllegalArgumentException to be thrown.");
	}

}
