adding config files (#554)

* adding config files

* adding test class

* adding autowired annotation

spring-all/src/test/java/org/baeldung/controller/ControllerAnnotationTest.java

@@ -0,0 +1,93 @@
+package org.baeldung.controller;
+
+import javax.servlet.ServletContext;
+
+import org.baeldung.controller.config.WebConfig;
+import org.baeldung.controller.student.Student;
+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.support.AnnotationConfigContextLoader;
+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;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(classes={WebConfig.class},loader=AnnotationConfigContextLoader.class )
+public class ControllerAnnotationTest {
+	
+	@Autowired
+	private MockMvc mockMvc;
+
+    @Autowired
+    private WebApplicationContext wac;
+    
+    @Autowired
+    private ServletContext servletContext;
+
+    private Student selectedStudent;
+
+    @Before
+    public void setUp() {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+
+        selectedStudent = new Student();
+        selectedStudent.setId(1);
+        selectedStudent.setName("Peter");
+    }
+
+    @Test
+    public void testTestController() throws Exception {
+
+        ModelAndView mv = this.mockMvc.perform(MockMvcRequestBuilders.get("/test/"))
+          .andReturn()
+          .getModelAndView();
+
+        // validate modal data
+        Assert.assertSame(mv.getModelMap().get("data").toString(), "Welcome home man");
+
+        // validate view name
+        Assert.assertSame(mv.getViewName(), "welcome");
+    }
+
+    @Test
+    public void testRestController() throws Exception {
+
+        String responseBody = this.mockMvc.perform(MockMvcRequestBuilders.get("/student/{studentId}", 1))
+          .andReturn().getResponse()
+          .getContentAsString();
+
+        ObjectMapper reader = new ObjectMapper();
+
+        Student studentDetails = reader.readValue(responseBody, Student.class);
+
+        Assert.assertEquals(selectedStudent, studentDetails);
+
+    }
+
+    @Test
+    public void testRestAnnotatedController() throws Exception {
+
+        String responseBody = this.mockMvc.perform(MockMvcRequestBuilders.get("/annotated/student/{studentId}", 1))
+          .andReturn().getResponse()
+          .getContentAsString();
+
+        ObjectMapper reader = new ObjectMapper();
+
+        Student studentDetails = reader.readValue(responseBody, Student.class);
+
+        Assert.assertEquals(selectedStudent, studentDetails);
+    }
+
+}