BAEL 2730 (#6524)

* BAEL 2730

* jackson-dataformat-xml uncommented

spring-boot-rest/src/test/java/com/baeldung/web/StudentControllerIntegrationTest.java

@@ -0,0 +1,76 @@
+package com.baeldung.web;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.web.server.MediaTypeNotSupportedStatusException;
+
+import com.baeldung.web.controller.students.Student;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+@AutoConfigureMockMvc
+public class StudentControllerIntegrationTest {
+
+    private static final String STUDENTS_PATH = "/students/";
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    public void whenReadAll_thenStatusIsOk() throws Exception {
+        this.mockMvc.perform(get(STUDENTS_PATH))
+            .andExpect(status().isOk());
+    }
+
+    @Test
+    public void whenReadOne_thenStatusIsOk() throws Exception {
+        this.mockMvc.perform(get(STUDENTS_PATH + 1))
+            .andExpect(status().isOk());
+    }
+
+    @Test
+    public void whenCreate_thenStatusIsCreated() throws Exception {
+        Student student = new Student(10, "Albert", "Einstein");
+        this.mockMvc.perform(post(STUDENTS_PATH).content(asJsonString(student))
+            .contentType(MediaType.APPLICATION_JSON_VALUE))
+            .andExpect(status().isCreated());
+    }
+
+    @Test
+    public void whenUpdate_thenStatusIsOk() throws Exception {
+        Student student = new Student(1, "Nikola", "Tesla");
+        this.mockMvc.perform(put(STUDENTS_PATH + 1)
+            .content(asJsonString(student))
+            .contentType(MediaType.APPLICATION_JSON_VALUE))
+            .andExpect(status().isOk());
+    }
+    
+    @Test
+    public void whenDelete_thenStatusIsNoContent() throws Exception {
+        this.mockMvc.perform(delete(STUDENTS_PATH + 3))
+            .andExpect(status().isNoContent());
+    }
+
+    private String asJsonString(final Object obj) {
+        try {
+            return new ObjectMapper().writeValueAsString(obj);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}