Added a Spring MVC test for the Sample MessageController

spring-boot-samples/spring-boot-sample-web-ui/src/test/java/org/springframework/boot/sample/ui/MessageControllerWebTest.java

+package org.springframework.boot.sample.ui;
+
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import static org.hamcrest.Matchers.*;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+/**
+ * A Basic Spring MVC Test for the Sample Controller"
+ * 
+ * @author Biju Kunjummen
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(classes = SampleWebUiApplication.class)
+public class MessageControllerWebTest {
+	@Autowired
+	private WebApplicationContext wac;
+
+	private MockMvc mockMvc;
+
+	@Before
+	public void setup() {
+		this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+	}
+
+	@Test
+	public void testHome() throws Exception {
+		this.mockMvc
+			.perform(get("/"))
+			.andExpect(status().isOk())
+			.andExpect(content().string(containsString("<title>Messages")));
+	}
+	
+	@Test
+	public void testCreate() throws Exception {
+		this.mockMvc
+			.perform(post("/").param("text", "FOO text").param("summary", "FOO"))
+			.andExpect(status().isMovedTemporarily())
+			.andExpect(header().string("location", "/1"));
+	}
+
+}