BAEL-2736 rest assured spring mock mvc (#6466)

* Include rest-assured.spring-mock-mvc dependency

BAEL-2736

* Rest Assured Spring Mock MVC Tests

BAEL-2736

testing-modules/rest-assured/src/main/java/com/baeldung/restassured/learner/Course.java

@@ -0,0 +1,17 @@
+package com.baeldung.restassured.learner;
+
+class Course {
+
+    private String code;
+
+    public Course() {
+    }
+
+    Course(String code) {
+        this.code = code;
+    }
+
+    String getCode() {
+        return code;
+    }
+}

testing-modules/rest-assured/src/main/java/com/baeldung/restassured/learner/CourseController.java

@@ -0,0 +1,31 @@
+package com.baeldung.restassured.learner;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Collection;
+
+import static org.springframework.http.MediaType.APPLICATION_JSON_UTF8_VALUE;
+
+@RestController
+@RequestMapping(path = "/courses")
+public class CourseController {
+
+    private final CourseService courseService;
+
+    public CourseController(CourseService courseService) {
+        this.courseService = courseService;
+    }
+
+    @GetMapping(produces = APPLICATION_JSON_UTF8_VALUE)
+    public Collection<Course> getCourses() {
+        return courseService.getCourses();
+    }
+
+    @GetMapping(path = "/{code}", produces = APPLICATION_JSON_UTF8_VALUE)
+    public Course getCourse(@PathVariable String code) {
+        return courseService.getCourse(code);
+    }
+}

testing-modules/rest-assured/src/main/java/com/baeldung/restassured/learner/CourseControllerExceptionHandler.java

@@ -0,0 +1,18 @@
+package com.baeldung.restassured.learner;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
+
+@ControllerAdvice(assignableTypes = CourseController.class)
+public class CourseControllerExceptionHandler extends ResponseEntityExceptionHandler {
+
+    @ResponseStatus(HttpStatus.NOT_FOUND)
+    @ExceptionHandler(CourseNotFoundException.class)
+    @SuppressWarnings("ThrowablePrintedToSystemOut")
+    public void handleCourseNotFoundException(CourseNotFoundException cnfe) {
+        System.out.println(cnfe);
+    }
+}

testing-modules/rest-assured/src/main/java/com/baeldung/restassured/learner/CourseNotFoundException.java

@@ -0,0 +1,8 @@
+package com.baeldung.restassured.learner;
+
+class CourseNotFoundException extends RuntimeException {
+
+    CourseNotFoundException(String code) {
+        super(code);
+    }
+}

testing-modules/rest-assured/src/main/java/com/baeldung/restassured/learner/CourseService.java

@@ -0,0 +1,27 @@
+package com.baeldung.restassured.learner;
+
+import org.springframework.stereotype.Service;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Optional;
+import java.util.concurrent.ConcurrentHashMap;
+
+@Service
+class CourseService {
+
+    private static final Map<String, Course> COURSE_MAP = new ConcurrentHashMap<>();
+
+    static {
+        Course wizardry = new Course("Wizardry");
+        COURSE_MAP.put(wizardry.getCode(), wizardry);
+    }
+
+    Collection<Course> getCourses() {
+        return COURSE_MAP.values();
+    }
+
+    Course getCourse(String code) {
+        return Optional.ofNullable(COURSE_MAP.get(code)).orElseThrow(() -> new CourseNotFoundException(code));
+    }
+}