Merge branch 'pr/562-sunil-integration-testing'

Conflicts:
	pom.xml

spring-mvc-java/pom.xml

@@ -111,6 +111,11 @@
             <version>${mockito.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+		    <groupId>com.jayway.jsonpath</groupId>
+		    <artifactId>json-path</artifactId>
+		    <version>2.2.0</version>
+		</dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-test</artifactId>

spring-mvc-java/src/main/java/com/baeldung/model/Greeting.java

@@ -0,0 +1,22 @@
+package com.baeldung.model;
+
+public class Greeting {
+    private int id;
+    private String message;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+}

spring-mvc-java/src/main/java/com/baeldung/spring/web/config/ApplicationConfig.java

@@ -0,0 +1,36 @@
+package com.baeldung.spring.web.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.ViewResolver;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+import org.springframework.web.servlet.view.InternalResourceViewResolver;
+import org.springframework.web.servlet.view.JstlView;
+
+@EnableWebMvc
+@Configuration
+@ComponentScan(basePackages = { "com.baeldung.web.controller" })
+public class ApplicationConfig extends WebMvcConfigurerAdapter {
+
+    public ApplicationConfig() {
+        super();
+    }
+
+    @Override
+    public void addViewControllers(final ViewControllerRegistry registry) {
+        super.addViewControllers(registry);
+        registry.addViewController("/").setViewName("index");
+    }
+
+    @Bean
+    public ViewResolver viewResolver() {
+        final InternalResourceViewResolver bean = new InternalResourceViewResolver();
+        bean.setViewClass(JstlView.class);
+        bean.setPrefix("/WEB-INF/jsp/");
+        bean.setSuffix(".jsp");
+        return bean;
+    }
+}

spring-mvc-java/src/main/java/com/baeldung/web/controller/GreetController.java

@@ -0,0 +1,59 @@
+package com.baeldung.web.controller;
+
+import com.baeldung.model.Greeting;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+@Controller
+public class GreetController {
+
+    @RequestMapping(value = "/homePage", method = RequestMethod.GET)
+    public String index() {
+        return "index";
+    }
+
+    @RequestMapping(value = "/greet", method = RequestMethod.GET, produces = "application/json")
+    @ResponseBody
+    public Greeting greet() {
+        Greeting greeting = new Greeting();
+        greeting.setId(1);
+        greeting.setMessage("Hello World!!!");
+        return greeting;
+    }
+
+    @RequestMapping(value = "/greetWithPathVariable/{name}", method = RequestMethod.GET, produces = "application/json")
+    @ResponseBody
+    public Greeting greetWithPathVariable(@PathVariable("name") String name) {
+        Greeting greeting = new Greeting();
+        greeting.setId(1);
+        greeting.setMessage("Hello World " + name + "!!!");
+        return greeting;
+    }
+
+    @RequestMapping(value = "/greetWithQueryVariable", method = RequestMethod.GET, produces = "application/json")
+    @ResponseBody
+    public Greeting greetWithQueryVariable(@RequestParam("name") String name) {
+        Greeting greeting = new Greeting();
+        greeting.setId(1);
+        greeting.setMessage("Hello World " + name + "!!!");
+        return greeting;
+    }
+
+    @RequestMapping(value = "/greetWithPost", method = RequestMethod.POST, produces = "application/json")
+    @ResponseBody
+    public Greeting greetWithPost() {
+        Greeting greeting = new Greeting();
+        greeting.setId(1);
+        greeting.setMessage("Hello World!!!");
+        return greeting;
+    }
+
+    @RequestMapping(value = "/greetWithPostAndFormData", method = RequestMethod.POST, produces = "application/json")
+    @ResponseBody
+    public Greeting greetWithPostAndFormData(@RequestParam("id") int id, @RequestParam("name") String name) {
+        Greeting greeting = new Greeting();
+        greeting.setId(id);
+        greeting.setMessage("Hello World " + name + "!!!");
+        return greeting;
+    }
+}

spring-mvc-java/src/main/webapp/WEB-INF/jsp/index.jsp

@@ -0,0 +1,5 @@
+<html>
+<body>
+	<h1>Spring MVC - Integration Testing</h1>
+</body>
+</html>

spring-mvc-java/src/test/java/com/baeldung/web/controller/GreetControllerIntegrationTest.java

@@ -0,0 +1,91 @@
+package com.baeldung.web.controller;
+
+
+import com.baeldung.spring.web.config.ApplicationConfig;
+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.mock.web.MockServletContext;
+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.MvcResult;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import javax.servlet.ServletContext;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(classes = {ApplicationConfig.class})
+public class GreetControllerIntegrationTest {
+
+    @Autowired
+    private WebApplicationContext wac;
+
+    private MockMvc mockMvc;
+
+    private static final String CONTENT_TYPE = "application/json";
+
+
+    @Before
+    public void setup() throws Exception {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+    }
+
+    @Test
+    public void givenWAC_whenServletContext_thenItProvidesGreetController() {
+        ServletContext servletContext = wac.getServletContext();
+        Assert.assertNotNull(servletContext);
+        Assert.assertTrue(servletContext instanceof MockServletContext);
+        Assert.assertNotNull(wac.getBean("greetController"));
+    }
+
+    @Test
+    public void givenHomePageURI_whenMockMVC_thenReturnsIndexJSPViewName() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.get("/homePage")).andDo(print()).andExpect(MockMvcResultMatchers.view().name("index"));
+    }
+
+    @Test
+    public void givenGreetURI_whenMockMVC_thenVerifyResponse() throws Exception {
+        MvcResult mvcResult = this.mockMvc.perform(MockMvcRequestBuilders.get("/greet")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.jsonPath("$.message").value("Hello World!!!")).andReturn();
+        Assert.assertEquals(CONTENT_TYPE, mvcResult.getResponse().getContentType());
+    }
+
+    @Test
+    public void givenGreetURIWithPathVariable_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.get("/greetWithPathVariable/John")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.content().contentType(CONTENT_TYPE))
+                .andExpect(MockMvcResultMatchers.jsonPath("$.message").value("Hello World John!!!"));
+    }
+
+    @Test
+    public void givenGreetURIWithPathVariable_2_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.get("/greetWithPathVariable/{name}", "Doe")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.content().contentType(CONTENT_TYPE))
+                .andExpect(MockMvcResultMatchers.jsonPath("$.message").value("Hello World Doe!!!"));
+    }
+
+    @Test
+    public void givenGreetURIWithQueryParameter_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.get("/greetWithQueryVariable").param("name", "John Doe")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk())
+                .andExpect(MockMvcResultMatchers.content().contentType(CONTENT_TYPE)).andExpect(MockMvcResultMatchers.jsonPath("$.message").value("Hello World John Doe!!!"));
+    }
+
+    @Test
+    public void givenGreetURIWithPost_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.post("/greetWithPost")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.content().contentType(CONTENT_TYPE))
+                .andExpect(MockMvcResultMatchers.jsonPath("$.message").value("Hello World!!!"));
+    }
+
+    @Test
+    public void givenGreetURIWithPostAndFormData_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.post("/greetWithPostAndFormData").param("id", "1").param("name", "John Doe")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk())
+                .andExpect(MockMvcResultMatchers.content().contentType(CONTENT_TYPE)).andExpect(MockMvcResultMatchers.jsonPath("$.message").value("Hello World John Doe!!!")).andExpect(MockMvcResultMatchers.jsonPath("$.id").value(1));
+    }
+}

spring-mvc-java/src/test/java/com/baeldung/web/controller/GreetControllerTest.java

@@ -0,0 +1,61 @@
+package com.baeldung.web.controller;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+public class GreetControllerTest {
+
+    private MockMvc mockMvc;
+    private static final String CONTENT_TYPE = "application/json";
+
+    @Before
+    public void setup() {
+        this.mockMvc = MockMvcBuilders.standaloneSetup(new GreetController()).build();
+    }
+
+    @Test
+    public void givenHomePageURI_whenMockMVC_thenReturnsIndexJSPViewName() throws Exception {
+        this.mockMvc.perform(get("/homePage")).andExpect(view().name("index"));
+    }
+
+    @Test
+    public void givenGreetURI_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(get("/greet")).andExpect(status().isOk()).andExpect(content().contentType(CONTENT_TYPE)).andExpect(jsonPath("$.message").value("Hello World!!!"));
+    }
+
+    @Test
+    public void givenGreetURIWithPathVariable_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(get("/greetWithPathVariable/John")).andExpect(status().isOk()).andExpect(content().contentType(CONTENT_TYPE)).andExpect(jsonPath("$.message").value("Hello World John!!!"));
+    }
+
+    @Test
+    public void givenGreetURIWithPathVariable_2_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(get("/greetWithPathVariable/{name}", "Doe")).andExpect(status().isOk()).andExpect(content().contentType(CONTENT_TYPE)).andExpect(jsonPath("$.message").value("Hello World Doe!!!"));
+    }
+
+    @Test
+    public void givenGreetURIWithQueryParameter_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(get("/greetWithQueryVariable").param("name", "John Doe")).andDo(print()).andExpect(status().isOk())
+          .andExpect(content().contentType(CONTENT_TYPE)).andExpect(jsonPath("$.message").value("Hello World John Doe!!!"));
+    }
+
+    @Test
+    public void givenGreetURIWithPost_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.post("/greetWithPost")).andDo(print()).andExpect(status().isOk()).andExpect(content().contentType(CONTENT_TYPE))
+          .andExpect(jsonPath("$.message").value("Hello World!!!"));
+    }
+
+    @Test
+    public void givenGreetURIWithPostAndFormData_whenMockMVC_thenVerifyResponse() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.post("/greetWithPostAndFormData").param("id", "1").param("name", "John Doe")).andDo(print()).andExpect(status().isOk())
+          .andExpect(content().contentType(CONTENT_TYPE)).andExpect(jsonPath("$.message").value("Hello World John Doe!!!")).andExpect(jsonPath("$.id").value(1));
+    }
+}