Caching test

non-reactive/src/main/java/com/example/car/CarsApplication.java

@@ -2,8 +2,10 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cache.annotation.EnableCaching;
 
 @SpringBootApplication
+@EnableCaching
 public class CarsApplication {
 
 	public static void main(String[] args) {

non-reactive/src/main/java/com/example/car/domain/Car.java

@@ -15,9 +15,6 @@ public class Car {
 
 	private String type;
 
-	public Car() {
-	}
-
 	public Car(String name, String type) {
 		this.name = name;
 		this.type = type;

non-reactive/src/main/java/com/example/car/service/CarService.java

@@ -4,6 +4,7 @@
 import com.example.car.domain.CarRepository;
 import com.example.car.web.CarNotFoundException;
 
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 
 @Service
@@ -15,6 +16,7 @@ public CarService(CarRepository carRepository) {
 		this.carRepository = carRepository;
 	}
 
+	@Cacheable("cars")
 	public Car getCarDetails(String name) {
 		Car car = carRepository.findByName(name);
 		if(car == null) {

non-reactive/src/test/java/com/example/car/CachingTest.java

@@ -0,0 +1,36 @@
+package com.example.car;
+
+import com.example.car.domain.Car;
+import com.example.car.domain.CarRepository;
+import com.example.car.service.CarService;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE)
+public class CachingTest {
+
+	@Autowired
+	private CarService service;
+
+	@MockBean
+	private CarRepository repository;
+
+	@Test
+	public void getCar_ReturnsCachedValue() throws Exception {
+		given(repository.findByName(anyString())).willReturn(new Car("prius", "hybrid"));
+		service.getCarDetails("prius");
+		service.getCarDetails("prius");
+		verify(repository, times(1)).findByName("prius");
+	}
+}