Created project "spring-mvc-web-vs-initializer" for the web.xml vs Initializer article. (#663)

* Created spring-mvc-web-vs-initializer project

* Code style check

spring-mvc-web-vs-initializer/src/test/java/org/baeldung/controller/JavaServletTest.java

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+package org.baeldung.controller;
+
+import org.baeldung.config.MvcConfig;
+import org.junit.Assert;
+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.AnnotationConfigWebContextLoader;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.servlet.ModelAndView;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(loader=AnnotationConfigWebContextLoader.class, classes = MvcConfig.class)
+public class JavaServletTest {
+
+    private MockMvc mockMvc;
+
+    @Autowired
+    private WebApplicationContext wac;
+
+    @Before
+    public void setUp() {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+    }
+
+    @Test
+    public void testJavaEndpoint() throws Exception {
+        ModelAndView mv = this.mockMvc.perform(MockMvcRequestBuilders.get("/endpoint"))
+                .andReturn()
+                .getModelAndView();
+
+        // validate view name
+        Assert.assertSame(mv.getViewName(), "from-java");
+    }
+
+}

spring-mvc-web-vs-initializer/src/test/java/org/baeldung/controller/XmlServletTest.java

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+package org.baeldung.controller;
+
+import org.junit.Assert;
+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.GenericXmlWebContextLoader;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.servlet.ModelAndView;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(loader=GenericXmlWebContextLoader.class, locations = "classpath*:mvc-configuration.xml")
+public class XmlServletTest {
+
+    private MockMvc mockMvc;
+
+    @Autowired
+    private WebApplicationContext wac;
+
+    @Before
+    public void setUp() {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+    }
+
+    @Test
+    public void testXmlEndpoint() throws Exception {
+        ModelAndView mv = this.mockMvc.perform(MockMvcRequestBuilders.get("/endpoint"))
+                .andReturn()
+                .getModelAndView();
+
+        // validate view name
+        Assert.assertSame(mv.getViewName(), "from-xml");
+    }
+
+}