refactored @SpringBootConfiguration examples

spring-boot/spring-boot-testing/src/main/java/io/reflectoring/booking/BookingConfiguration.java

@@ -6,18 +6,13 @@ import io.reflectoring.customer.CustomerConfiguration;
 import io.reflectoring.customer.data.CustomerRepository;
 import io.reflectoring.flight.FlightConfiguration;
 import io.reflectoring.flight.data.FlightService;
-import org.springframework.boot.SpringBootConfiguration;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
-import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
-import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
-@SpringBootConfiguration
+@Configuration
 @Import({CustomerConfiguration.class, FlightConfiguration.class})
-@EnableAutoConfiguration
 @ComponentScan
 public class BookingConfiguration {
 

spring-boot/spring-boot-testing/src/main/java/io/reflectoring/customer/CustomerConfiguration.java

@@ -1,14 +1,17 @@
 package io.reflectoring.customer;
 
-import org.springframework.boot.SpringBootConfiguration;
+import io.reflectoring.customer.business.CustomerService;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 
-@SpringBootConfiguration
+@Configuration
-@EnableAutoConfiguration
 @ComponentScan
 public class CustomerConfiguration {
 
+  @Bean
+  public CustomerService customerService(){
+    return new CustomerService();
+  }
+
 }

spring-boot/spring-boot-testing/src/main/java/io/reflectoring/customer/business/CustomerService.java

@@ -0,0 +1,4 @@
+package io.reflectoring.customer.business;
+
+public class CustomerService {
+}

spring-boot/spring-boot-testing/src/main/java/io/reflectoring/customer/web/CustomerController.java

@@ -0,0 +1,14 @@
+package io.reflectoring.customer.web;
+
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class CustomerController {
+
+  @PostMapping("/customer")
+  public String hello() {
+    return "hello";
+  }
+
+}

spring-boot/spring-boot-testing/src/main/java/io/reflectoring/flight/FlightConfiguration.java

@@ -6,11 +6,9 @@ import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 import org.springframework.scheduling.annotation.EnableScheduling;
 
-@SpringBootConfiguration
+@Configuration
-@EnableAutoConfiguration
 @EnableScheduling
 @ComponentScan
 public class FlightConfiguration {

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/booking/BookingTestConfiguration.java

@@ -0,0 +1,10 @@
+package io.reflectoring.booking;
+
+import org.springframework.boot.SpringBootConfiguration;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+
+@SpringBootConfiguration
+@EnableAutoConfiguration
+class BookingTestConfiguration extends BookingConfiguration {
+
+}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/booking/BookingTestConfigurationTest.java

@@ -4,14 +4,12 @@ import java.util.Arrays;
 
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.context.ApplicationContext;
-import org.springframework.test.context.junit.jupiter.SpringExtension;
 
-@SpringBootTest(classes = BookingConfiguration.class)
+@SpringBootTest(classes = BookingTestConfiguration.class)
-class BookingConfigurationTest {
+class BookingTestConfigurationTest {
 
   @Autowired
   private ApplicationContext applicationContext;

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/customer/CustomerConfigurationTest.java

@@ -1,15 +0,0 @@
-package io.reflectoring.customer;
-
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.junit.jupiter.SpringExtension;
-
-@SpringBootTest(classes = CustomerConfiguration.class)
-class CustomerConfigurationTest {
-
-  @Test
-  void bookingConfigurationLoads() {
-  }
-
-}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/customer/CustomerModuleTest.java

@@ -0,0 +1,42 @@
+package io.reflectoring.customer;
+
+import io.reflectoring.booking.business.BookingService;
+import io.reflectoring.booking.data.BookingRepository;
+import io.reflectoring.booking.web.BookingController;
+import io.reflectoring.customer.business.CustomerService;
+import io.reflectoring.customer.data.CustomerRepository;
+import io.reflectoring.customer.web.CustomerController;
+import io.reflectoring.flight.data.FlightService;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import static org.assertj.core.api.Assertions.assertThat;
+
+@SpringBootTest
+class CustomerModuleTest {
+
+  @Autowired(required = false)
+  private BookingController bookingController;
+  @Autowired(required = false)
+  private BookingService bookingService;
+  @Autowired(required = false)
+  private BookingRepository bookingRepository;
+
+  @Autowired
+  private CustomerController customerController;
+  @Autowired
+  private CustomerService customerService;
+  @Autowired
+  private CustomerRepository customerRepository;
+
+  @Test
+  void onlyCustomerModuleIsLoaded() {
+    assertThat(customerController).isNotNull();
+    assertThat(customerService).isNotNull();
+    assertThat(customerRepository).isNotNull();
+    assertThat(bookingController).isNull();
+    assertThat(bookingService).isNull();
+    assertThat(bookingRepository).isNull();
+  }
+
+}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/customer/CustomerTestConfiguration.java

@@ -0,0 +1,13 @@
+package io.reflectoring.customer;
+
+import org.springframework.boot.SpringBootConfiguration;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+
+@SpringBootConfiguration
+@EnableAutoConfiguration
+class CustomerTestConfiguration extends CustomerConfiguration {
+
+}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/customer/data/CustomerModuleDataLayerTests.java

@@ -0,0 +1,24 @@
+package io.reflectoring.customer.data;
+
+import io.reflectoring.booking.data.BookingRepository;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import static org.assertj.core.api.Assertions.*;
+
+@DataJpaTest
+class CustomerModuleDataLayerTests {
+
+  @Autowired
+  private CustomerRepository customerRepository;
+
+  @Autowired(required = false)
+  private BookingRepository bookingRepository;
+
+  @Test
+  void onlyCustomerRepositoryIsLoaded() {
+    assertThat(customerRepository).isNotNull();
+    assertThat(bookingRepository).isNull();
+  }
+
+}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/customer/data/CustomerRepositoryTest.java

@@ -1,43 +0,0 @@
-package io.reflectoring.customer.data;
-
-import java.util.Arrays;
-import java.util.List;
-
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
-import org.springframework.context.ApplicationContext;
-import org.springframework.test.context.junit.jupiter.SpringExtension;
-import static org.assertj.core.api.Assertions.assertThat;
-
-@DataJpaTest
-class CustomerRepositoryTest {
-
-  @Autowired
-  private CustomerRepository repository;
-
-  @Autowired
-  private ApplicationContext applicationContext;
-
-  @BeforeEach
-  void printApplicationContext() {
-    Arrays.stream(applicationContext.getBeanDefinitionNames())
-            .map(name -> applicationContext.getBean(name).getClass().getName())
-            .sorted()
-            .forEach(System.out::println);
-  }
-
-  @Test
-  void findsByName() {
-    Customer customer = Customer.builder()
-            .name("Hurley")
-            .build();
-    repository.save(customer);
-
-    List<Customer> foundCustomers = repository.findByName("Hurley");
-    assertThat(foundCustomers).hasSize(1);
-  }
-
-}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/customer/web/CustomerModuleWebLayerTests.java

@@ -0,0 +1,24 @@
+package io.reflectoring.customer.web;
+
+import io.reflectoring.booking.web.BookingController;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import static org.assertj.core.api.Assertions.*;
+
+@WebMvcTest
+class CustomerModuleWebLayerTests {
+
+  @Autowired
+  private CustomerController customerController;
+
+  @Autowired(required = false)
+  private BookingController bookingController;
+
+  @Test
+  void onlyCustomerControllerIsLoaded() {
+    assertThat(customerController).isNotNull();
+    assertThat(bookingController).isNull();
+  }
+
+}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/flight/FlightMockConfiguration.java

@@ -1,4 +0,0 @@
-package io.reflectoring.flight;
-
-public class FlightMockConfiguration {
-}

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/flight/FlightTestConfiguration.java

@@ -0,0 +1,10 @@
+package io.reflectoring.flight;
+
+import org.springframework.boot.SpringBootConfiguration;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+
+@SpringBootConfiguration
+@EnableAutoConfiguration
+class FlightTestConfiguration extends FlightConfiguration {
+
+}