TA 역할 Spring 경계 smoke (role-ta-live-1522-001)

src/test/java/com/klaroworks/runtime/service/RoleMatrixServiceTest.java

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+package com.klaroworks.runtime.service;
+
+import com.klaroworks.runtime.dto.RoleCreateRequest;
+import com.klaroworks.runtime.dto.RoleResponse;
+import com.klaroworks.runtime.entity.Role;
+import com.klaroworks.runtime.exception.RoleNotFoundException;
+import com.klaroworks.runtime.repository.RoleRepository;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import java.util.List;
+import java.util.Optional;
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.*;
+
+@ExtendWith(MockitoExtension.class)
+class RoleMatrixServiceTest {
+    
+    @Mock private RoleRepository roleRepository;
+    @InjectMocks private RoleMatrixService service;
+    private Role testRole;
+    
+    @BeforeEach
+    void setUp() {
+        testRole = Role.builder().id(1L).name("ADMIN").description("Administrator").build();
+    }
+    
+    @Test
+    @DisplayName("역할 생성 시 save 호출 및 응답 반환")
+    void createRole_callsSaveAndReturnsResponse() {
+        when(roleRepository.save(any(Role.class))).thenReturn(testRole);
+        RoleResponse response = service.createRole(new RoleCreateRequest("ADMIN", "Administrator"));
+        assertNotNull(response);
+        assertEquals("ADMIN", response.getName());
+        verify(roleRepository, times(1)).save(any(Role.class));
+    }
+    
+    @Test
+    @DisplayName("존재하지 않는 역할 조회 시 RoleNotFoundException 발생")
+    void getRoleById_whenNotFound_throwsException() {
+        when(roleRepository.findById(999L)).thenReturn(Optional.empty());
+        assertThrows(RoleNotFoundException.class, () -> service.getRoleById(999L));
+    }
+    
+    @Test
+    @DisplayName("모든 역할 조회 시 Role 목록 반환")
+    void getAllRoles_returnsListOfRoles() {
+        when(roleRepository.findAll()).thenReturn(List.of(testRole));
+        List<RoleResponse> roles = service.getAllRoles();
+        assertEquals(1, roles.size());
+        assertEquals("ADMIN", roles.get(0).getName());
+    }
+}