/*
 * Copyright 2002-2014 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.samples.config;

import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestBuilders.*;
import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.*;
import static org.springframework.security.test.web.servlet.response.SecurityMockMvcResultMatchers.*;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;

import javax.servlet.Filter;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.samples.mvc.config.WebMvcConfiguration;
import org.springframework.security.test.context.support.WithMockUser;
import org.springframework.security.test.context.support.WithSecurityContextTestExecutionListener;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.TestExecutionListeners;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.support.DependencyInjectionTestExecutionListener;
import org.springframework.test.context.support.DirtiesContextTestExecutionListener;
import org.springframework.test.context.transaction.TransactionalTestExecutionListener;
import org.springframework.test.context.web.ServletTestExecutionListener;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;

/**
 * @author Rob Winch
 *
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { RootConfiguration.class, WebMvcConfiguration.class })
@WebAppConfiguration
@TestExecutionListeners(listeners = { ServletTestExecutionListener.class,
		DependencyInjectionTestExecutionListener.class,
		DirtiesContextTestExecutionListener.class,
		TransactionalTestExecutionListener.class,
		WithSecurityContextTestExecutionListener.class })
public class SecurityConfigTests {
	private MockMvc mvc;

	@Autowired
	private WebApplicationContext context;

	@Autowired
	private Filter springSecurityFilterChain;

	@Before
	public void setup() {
		mvc = MockMvcBuilders.webAppContextSetup(context)
				.addFilters(springSecurityFilterChain)
				.defaultRequest(get("/").with(testSecurityContext())).build();
	}

	@Test
	public void requestProtectedResourceRequiresAuthentication() throws Exception {
		mvc.perform(get("/")).andExpect(redirectedUrl("http://localhost/login"));
	}

	@Test
	public void loginSuccess() throws Exception {
		mvc.perform(formLogin()).andExpect(redirectedUrl("/"));
	}

	@Test
	public void loginFailure() throws Exception {
		mvc.perform(formLogin().password("invalid")).andExpect(
				redirectedUrl("/login?error"));
	}

	@Test
	@WithMockUser
	public void requestProtectedResourceWithUser() throws Exception {
		mvc.perform(get("/")).andExpect(status().isOk());
	}

	@Test
	@WithMockUser
	public void composeMessageRequiresCsrfToken() throws Exception {
		MockHttpServletRequestBuilder composeMessage = post("/").param("summary",
				"New Message").param("text", "This is a new message");

		mvc.perform(composeMessage).andExpect(status().isForbidden());
	}

	@Test
	@WithMockUser
	public void composeMessage() throws Exception {
		MockHttpServletRequestBuilder composeMessage = post("/")
				.param("summary", "New Message").param("text", "This is a new message")
				.with(csrf());

		mvc.perform(composeMessage).andExpect(redirectedUrlPattern("/*"));
	}

	@Test
	@WithMockUser
	public void logoutRequiresCsrfToken() throws Exception {
		mvc.perform(post("/logout")).andExpect(status().isForbidden());
	}

	@Test
	@WithMockUser
	public void logoutSuccess() throws Exception {
		mvc.perform(logout()).andExpect(redirectedUrl("/login?logout"))
				.andExpect(unauthenticated());
	}
}
