From 19a4d610b5ffa2363e652acdbac1949e6c5d6bec Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Tue, 14 Jul 2026 06:26:04 +0000
Subject: [PATCH] =?UTF-8?q?TA=20=EC=97=AD=ED=95=A0=20Spring=20=EA=B2=BD?=
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---
 .../architecture/LayerBoundaryTest.java       | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/test/java/com/runtimematrix/architecture/LayerBoundaryTest.java

diff --git a/src/test/java/com/runtimematrix/architecture/LayerBoundaryTest.java b/src/test/java/com/runtimematrix/architecture/LayerBoundaryTest.java
new file mode 100644
index 0000000..30e6a84
--- /dev/null
+++ b/src/test/java/com/runtimematrix/architecture/LayerBoundaryTest.java
@@ -0,0 +1,62 @@
+package com.runtimematrix.architecture;
+
+import com.tngtech.archunit.core.domain.JavaClasses;
+import com.tngtech.archunit.core.importer.ClassFileImporter;
+import com.tngtech.archunit.lang.ArchRule;
+import com.tngtech.archunit.library.Architectures.layeredArchitecture;
+import com.tngtech.archunit.library.dependencies.SlicesRuleDefinition;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static com.tngtech.archunit.library.DependencyRules.NO_CLASSES_DEPEND_ON_UPPER_LAYERS;
+
+/** ADR-001 레이어 경계 Arquillian 테스트 */
+@DisplayName("아키텍처 경계 검증")
+class LayerBoundaryTest {
+
+    private JavaClasses classes;
+
+    @BeforeEach
+    void setUp() {
+        classes = new ClassFileImporter().importPackages("com.runtimematrix");
+    }
+
+    @Test
+    @DisplayName("Controller는 Service에만 접근 가능")
+    void controller_should_only_access_service() {
+        ArchRule rule = layeredArchitecture()
+            .layer("Controller").definedBy("..controller..")
+            .layer("Service").definedBy("..service..")
+            .layer("Repository").definedBy("..repository..")
+            .layer("Domain").definedBy("..domain..")
+            .whereLayer("Controller").mayOnlyAccessLayers("Service", "Domain");
+        rule.check(classes);
+    }
+
+    @Test
+    @DisplayName("Service는 Repository와 Domain에만 접근 가능")
+    void service_should_only_access_repository_and_domain() {
+        ArchRule rule = layeredArchitecture()
+            .layer("Controller").definedBy("..controller..")
+            .layer("Service").definedBy("..service..")
+            .layer("Repository").definedBy("..repository..")
+            .layer("Domain").definedBy("..domain..")
+            .whereLayer("Service").mayOnlyAccessLayers("Repository", "Domain");
+        rule.check(classes);
+    }
+
+    @Test
+    @DisplayName("하위 레이어는 상위 레이어에 의존하지 않음")
+    void no_upward_dependencies() {
+        NO_CLASSES_DEPEND_ON_UPPER_LAYERS.check(classes);
+    }
+
+    @Test
+    @DisplayName("패키지 간 순환 의존성 없음")
+    void no_cyclic_dependencies() {
+        ArchRule rule = SlicesRuleDefinition.slices()
+            .matching("com.runtimematrix.(*)..").should().beFreeOfCycles();
+        rule.check(classes);
+    }
+}