proj-acquirex/src/test/java/com/acquirex/approval/AcquisitionApprovalTest.java

@@ -0,0 +1,158 @@
+package com.acquirex.approval;
+
+import com.acquirex.approval.domain.AcquisitionApproval;
+import com.acquirex.approval.domain.AcquisitionApproval.ApprovalStatus;
+import com.acquirex.approval.repository.AcquisitionApprovalRepository;
+import com.acquirex.approval.service.AcquisitionApprovalService;
+import com.acquirex.approval.service.AcquisitionApprovalService.ApprovalRequest;
+import com.acquirex.approval.service.AcquisitionApprovalService.ApprovalResponse;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.MvcResult;
+
+import java.math.BigDecimal;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+/** 카드 매입 승인 통합 테스트 - Spring Boot 3 전환 검증 */
+@SpringBootTest
+@AutoConfigureMockMvc
+class AcquisitionApprovalTest {
+
+    @Autowired private MockMvc mockMvc;
+    @Autowired private AcquisitionApprovalRepository repository;
+    @Autowired private AcquisitionApprovalService service;
+
+    @BeforeEach
+    void setUp() { repository.deleteAll(); }
+
+    // === Service Tests ===
+    @Test
+    @DisplayName("매입 승인 요청 처리 성공")
+    void processApproval_Success() {
+        ApprovalRequest request = new ApprovalRequest("MERCH001", "1234567890123456", new BigDecimal("50000.00"));
+        ApprovalResponse response = service.processApproval(request);
+
+        assertNotNull(response);
+        assertEquals("MERCH001", response.merchantId);
+        assertEquals(ApprovalStatus.APPROVED, response.status);
+        assertTrue(response.approvalNumber.startsWith("AP"));
+        assertTrue(response.cardNumber.matches("\\d{6}\*\*\*\*\\d{4}"));
+    }
+
+    @Test
+    @DisplayName("승인 번호로 조회 성공")
+    void findByApprovalNumber_Success() {
+        ApprovalRequest request = new ApprovalRequest("MERCH001", "1234567890123456", new BigDecimal("50000.00"));
+        ApprovalResponse created = service.processApproval(request);
+
+        ApprovalResponse found = service.findByApprovalNumber(created.approvalNumber);
+        assertNotNull(found);
+        assertEquals(created.approvalNumber, found.approvalNumber);
+    }
+
+    @Test
+    @DisplayName("승인 번호로 조회 - 존재하지 않는 경우 예외 발생")
+    void findByApprovalNumber_NotFound() {
+        assertThrows(IllegalArgumentException.class, () -> service.findByApprovalNumber("NOTEXIST"));
+    }
+
+    @Test
+    @DisplayName("승인 취소 성공")
+    void cancelApproval_Success() {
+        ApprovalRequest request = new ApprovalRequest("MERCH001", "1234567890123456", new BigDecimal("50000.00"));
+        ApprovalResponse created = service.processApproval(request);
+
+        ApprovalResponse cancelled = service.cancelApproval(created.id);
+        assertEquals(ApprovalStatus.CANCELLED, cancelled.status);
+    }
+
+    @Test
+    @DisplayName("승인 취소 - 이미 취소된 경우 예외 발생")
+    void cancelApproval_AlreadyCancelled() {
+        ApprovalRequest request = new ApprovalRequest("MERCH001", "1234567890123456", new BigDecimal("50000.00"));
+        ApprovalResponse created = service.processApproval(request);
+        service.cancelApproval(created.id);
+
+        assertThrows(IllegalStateException.class, () -> service.cancelApproval(created.id));
+    }
+
+    // === Controller Tests ===
+    @Test
+    @DisplayName("POST /api/v1/acquisitions/approvals - 승인 요청 성공")
+    void createApproval_Success() throws Exception {
+        String json = "{\"merchantId\":\"MERCH001\",\"cardNumber\":\"1234567890123456\",\"approvalAmount\":50000.00}";
+
+        mockMvc.perform(post("/api/v1/acquisitions/approvals")
+                        .contentType(MediaType.APPLICATION_JSON).content(json))
+                .andExpect(status().isCreated())
+                .andExpect(jsonPath("$.merchantId").value("MERCH001"))
+                .andExpect(jsonPath("$.status").value("APPROVED"));
+    }
+
+    @Test
+    @DisplayName("POST /api/v1/acquisitions/approvals - 유효성 검증 실패")
+    void createApproval_ValidationError() throws Exception {
+        String json = "{\"merchantId\":\"\",\"cardNumber\":\"123\",\"approvalAmount\":-100}";
+
+        mockMvc.perform(post("/api/v1/acquisitions/approvals")
+                        .contentType(MediaType.APPLICATION_JSON).content(json))
+                .andExpect(status().isBadRequest());
+    }
+
+    @Test
+    @DisplayName("GET /api/v1/acquisitions/approvals/{approvalNumber} - 승인 조회 성공")
+    void getApproval_Success() throws Exception {
+        String json = "{\"merchantId\":\"MERCH001\",\"cardNumber\":\"1234567890123456\",\"approvalAmount\":50000.00}";
+        MvcResult result = mockMvc.perform(post("/api/v1/acquisitions/approvals")
+                        .contentType(MediaType.APPLICATION_JSON).content(json)).andReturn();
+
+        String approvalNumber = com.jayway.jsonpath.JsonPath.read(result.getResponse().getContentAsString(), "$.approvalNumber");
+
+        mockMvc.perform(get("/api/v1/acquisitions/approvals/{approvalNumber}", approvalNumber))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.approvalNumber").value(approvalNumber));
+    }
+
+    @Test
+    @DisplayName("POST /api/v1/acquisitions/approvals/{id}/cancel - 승인 취소 성공")
+    void cancelApproval_Controller_Success() throws Exception {
+        String json = "{\"merchantId\":\"MERCH001\",\"cardNumber\":\"1234567890123456\",\"approvalAmount\":50000.00}";
+        MvcResult result = mockMvc.perform(post("/api/v1/acquisitions/approvals")
+                        .contentType(MediaType.APPLICATION_JSON).content(json)).andReturn();
+
+        Long id = com.jayway.jsonpath.JsonPath.read(result.getResponse().getContentAsString(), "$.id");
+
+        mockMvc.perform(post("/api/v1/acquisitions/approvals/{id}/cancel", id))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.status").value("CANCELLED"));
+    }
+
+    // === Domain Tests ===
+    @Test
+    @DisplayName("ApprovalStatus 모든 상태 확인")
+    void testAllStatuses() {
+        assertEquals(4, ApprovalStatus.values().length);
+        assertNotNull(ApprovalStatus.PENDING);
+        assertNotNull(ApprovalStatus.APPROVED);
+        assertNotNull(ApprovalStatus.REJECTED);
+        assertNotNull(ApprovalStatus.CANCELLED);
+    }
+
+    @Test
+    @DisplayName("ApprovalStatus 설명 확인")
+    void testStatusDescriptions() {
+        assertEquals("대기", ApprovalStatus.PENDING.getDescription());
+        assertEquals("승인", ApprovalStatus.APPROVED.getDescription());
+        assertEquals("거절", ApprovalStatus.REJECTED.getDescription());
+        assertEquals("취소", ApprovalStatus.CANCELLED.getDescription());
+    }
+}