/***
 * Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
 * All rights reserved.
 *
 * 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 br.com.caelum.vraptor;

import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;

import javax.inject.Inject;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;

@RunWith(WeldJunitRunner.class)
public class VRaptorTest {

	@Rule
	public ExpectedException exception = ExpectedException.none();

	@Inject
	private VRaptor vRaptor;
	@Inject
	private MockStaticContentHandler handler;

	@Test
	public void shoudlComplainIfNotInAServletEnviroment() throws Exception {
		exception.expect(ServletException.class);

		ServletRequest request = mock(ServletRequest.class);
		ServletResponse response = mock(ServletResponse.class);
		vRaptor.doFilter(request, response, null);
	}

	@Test
	public void shouldDeferToContainerIfStaticFile() throws Exception {
		HttpServletRequest request = mock(HttpServletRequest.class);
		HttpServletResponse response = mock(HttpServletResponse.class);
		FilterChain chain = mock(FilterChain.class);
		handler.setRequestingStaticFile(true);
		vRaptor.doFilter(request, response, chain);
		assertThat(handler.isDeferProcessingToContainerCalled(), is(true));
	}

	@Test
	public void shouldBypassWebsocketRequests() throws Exception {
		HttpServletRequest request = mock(HttpServletRequest.class);
		HttpServletResponse response = mock(HttpServletResponse.class);
		FilterChain chain = mock(FilterChain.class);

		when(request.getHeader("Upgrade")).thenReturn("Websocket");

		vRaptor.doFilter(request, response, chain);
		verify(request).getHeader("Upgrade");
		verify(chain).doFilter(request, response);

		verifyNoMoreInteractions(request, response);
	}

}