initial layered architecture test

kshop/build.gradle

@@ -30,6 +30,7 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	// testImplementation 'org.springframework.security:spring-security-test'
+	testImplementation 'com.tngtech.archunit:archunit-junit5:1.2.1'
 }
 
 tasks.named('test') {

kshop/src/main/java/com/kampus/kshop/health/HealthController.java → kshop/src/main/java/com/kampus/kshop/controller/HealthController.java

@@ -1,4 +1,4 @@
-package com.kampus.kshop.health;
+package com.kampus.kshop.controller;
 
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;

kshop/src/main/java/com/kampus/kshop/repository/ChangeMeRepository.java

@@ -0,0 +1,7 @@
+package com.kampus.kshop.repository;
+
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class ChangeMeRepository {
+}

kshop/src/main/java/com/kampus/kshop/service/ChangeMeService.java

@@ -0,0 +1,7 @@
+package com.kampus.kshop.service;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class ChangeMeService {
+}

kshop/src/test/java/com/kampus/kshop/architecture/LayeredTest.java

@@ -0,0 +1,24 @@
+package com.kampus.kshop.architecture;
+
+import com.tngtech.archunit.core.importer.ImportOption;
+import com.tngtech.archunit.junit.AnalyzeClasses;
+import com.tngtech.archunit.junit.ArchTest;
+import com.tngtech.archunit.lang.ArchRule;
+
+import static com.tngtech.archunit.library.Architectures.layeredArchitecture;
+
+@AnalyzeClasses(packages = "com.kampus.kshop", importOptions = ImportOption.DoNotIncludeTests.class)
+public class LayeredTest {
+
+    @ArchTest
+    static final ArchRule layeredArchitecture =
+            layeredArchitecture()
+                    .consideringAllDependencies()
+                    .layer("Controller").definedBy("..controller..")
+                    .layer("Service").definedBy("..service..")
+                    .layer("Repository").definedBy("..repository..")
+                    .whereLayer("Controller").mayNotBeAccessedByAnyLayer()
+                    .whereLayer("Service").mayOnlyBeAccessedByLayers("Controller")
+                    .whereLayer("Repository").mayOnlyBeAccessedByLayers("Service");
+
+}