[#18] Added HelloWorld example

Author: Anand Rajneesh

pom.xml

@@ -7,7 +7,7 @@
     <groupId>org.gluecoders.guides</groupId>
     <artifactId>springboot-guide</artifactId>
     <version>1.0-SNAPSHOT</version>
-
+    <packaging>jar</packaging>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
@@ -23,6 +23,16 @@
             <version>${spring.version}</version>
             <type>pom</type>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/org/gluecoders/library/Application.java

@@ -0,0 +1,25 @@
+package org.gluecoders.library;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * Created by Anand_Rajneesh on 6/10/2017.
+ */
+@SpringBootApplication
+@RestController
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+    @RequestMapping("/")
+    @GetMapping
+    public String hello(){
+        return "Hi ! Welcome to Spring Boot Guide";
+    }
+}

src/test/java/org/gluecoders/library/ApplicationTest.java

@@ -0,0 +1,27 @@
+package org.gluecoders.library;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+/**
+ * Created by Anand_Rajneesh on 6/10/2017.
+ */
+@RunWith(SpringRunner.class)
+@WebMvcTest(Application.class)
+public class ApplicationTest {
+
+    @Autowired
+    private MockMvc mvc;
+
+    @Test
+    public void testHello() throws Exception {
+        mvc.perform(get("/"))
+                .andExpect(status().isOk())
+                .andExpect(content().string("Hi ! Welcome to Spring Boot Guide"));
+    }
+}