Merge pull request 'Developer 역할 Spring 골격 smoke' (#4) from forge/runtime-role-matrix-live-20260714112301-v11-developer-001-attempt-1-run-9c63dd5c6aca into main

.forge/runtime-role-matrix-live-20260714112301-v11-developer-001-attempt-1-run-9c63dd5c6aca.md

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+# runtime-role-matrix-live-20260714112301-v11-developer-001-attempt-1-run-9c63dd5c6aca
+
+Forge 이슈 작업 브랜치 `forge/runtime-role-matrix-live-20260714112301-v11-developer-001-attempt-1-run-9c63dd5c6aca`.

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.2.5</version>
+        <relativePath/>
+    </parent>
+
+    <groupId>com.example</groupId>
+    <artifactId>runtime-role-matrix-live</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/com/example/demo/DemoApplication.java

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+package com.example.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DemoApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(DemoApplication.class, args);
+    }
+}

src/main/java/com/example/demo/RoleService.java

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+package com.example.demo;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class RoleService {
+
+    public String getRoleName(String roleId) {
+        if (roleId == null || roleId.isBlank()) {
+            return "UNKNOWN";
+        }
+        return switch (roleId.toUpperCase()) {
+            case "ADMIN" -> "Administrator";
+            case "DEVELOPER" -> "Developer";
+            case "VIEWER" -> "Viewer";
+            default -> "Role: " + roleId;
+        };
+    }
+
+    public boolean isValidRole(String roleId) {
+        return roleId != null && !roleId.isBlank() &&
+               roleId.matches("^[A-Z_]+$");
+    }
+}

src/test/java/com/example/demo/RoleServiceTest.java

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+package com.example.demo;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@SpringBootTest
+class RoleServiceTest {
+
+    @Autowired
+    private RoleService roleService;
+
+    @Test
+    void getRoleName_returnsAdministratorForAdmin() {
+        assertEquals("Administrator", roleService.getRoleName("ADMIN"));
+    }
+
+    @Test
+    void getRoleName_returnsDeveloperForDeveloper() {
+        assertEquals("Developer", roleService.getRoleName("DEVELOPER"));
+    }
+
+    @Test
+    void getRoleName_returnsUnknownForNull() {
+        assertEquals("UNKNOWN", roleService.getRoleName(null));
+    }
+
+    @Test
+    void getRoleName_returnsUnknownForBlank() {
+        assertEquals("UNKNOWN", roleService.getRoleName("  "));
+    }
+
+    @Test
+    void isValidRole_returnsTrueForValidRoles() {
+        assertTrue(roleService.isValidRole("ADMIN"));
+        assertTrue(roleService.isValidRole("DEVELOPER"));
+        assertTrue(roleService.isValidRole("ROLE_VIEWER"));
+    }
+
+    @Test
+    void isValidRole_returnsFalseForInvalidRoles() {
+        assertFalse(roleService.isValidRole(null));
+        assertFalse(roleService.isValidRole(""));
+        assertFalse(roleService.isValidRole("admin"));
+        assertFalse(roleService.isValidRole("ADMIN123"));
+    }
+}