/*
    * 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.test.web.servlet.samples.standalone.resultmatchers;
  
  import java.net.URL;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import org.springframework.stereotype.Controller;
  import org.springframework.test.web.servlet.MockMvc;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.servlet.mvc.support.RedirectAttributes;
  
  import static org.hamcrest.Matchers.*;
  import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
  import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
  import static org.springframework.test.web.servlet.setup.MockMvcBuilders.*;
  
  /**
   * Examples of expectations on flash attributes.
   *
   * @author Rossen Stoyanchev
   */
  public class FlashAttributeAssertionTests {
  
  	private MockMvc mockMvc;
  
  
  	@Before
  	public void setup() {
  		this.mockMvc = standaloneSetup(new PersonController())
  				.alwaysExpect(status().isFound())
  				.alwaysExpect(flash().attributeCount(3))
  				.build();
  	}
  
  	@Test
  	public void testExists() throws Exception {
  		this.mockMvc.perform(post("/persons"))
  			.andExpect(flash().attributeExists("one", "two", "three"));
  	}
  
  	@Test
  	public void testEqualTo() throws Exception {
  		this.mockMvc.perform(post("/persons"))
  			.andExpect(flash().attribute("one", "1"))
  			.andExpect(flash().attribute("two", 2.222))
  			.andExpect(flash().attribute("three", new URL("http://example.com")))
  			.andExpect(flash().attribute("one", equalTo("1")))	// Hamcrest...
  			.andExpect(flash().attribute("two", equalTo(2.222)))
  			.andExpect(flash().attribute("three", equalTo(new URL("http://example.com"))));
  	}
  
  	@Test
  	public void testMatchers() throws Exception {
  		this.mockMvc.perform(post("/persons"))
  			.andExpect(flash().attribute("one", containsString("1")))
  			.andExpect(flash().attribute("two", closeTo(2, 0.5)))
  			.andExpect(flash().attribute("three", notNullValue()));
  	}
  
  
  	@Controller
  	private static class PersonController {
  
  		@RequestMapping(value="/persons", method=RequestMethod.POST)
  		public String save(RedirectAttributes redirectAttrs) throws Exception {
  			redirectAttrs.addFlashAttribute("one", "1");
  			redirectAttrs.addFlashAttribute("two", 2.222);
  			redirectAttrs.addFlashAttribute("three", new URL("http://example.com"));
  			return "redirect:/person/1";
  		}
  	}
  }