备份：修复前完整项目快照 2026-04-19

backend/tests/test-purchase-api.spec.js

@@ -0,0 +1,156 @@
+const request = require('supertest');
+const app = require('../final-backend');
+
+describe('采购付款分离 - API层测试', () => {
+  describe('采购申请API', () => {
+    let testPurchaseRequestId;
+
+    test('POST /api/purchase-requests - 应该能创建采购申请', async () => {
+      const response = await request(app)
+        .post('/api/purchase-requests')
+        .send({
+          project_id: 1,
+          applicant: '测试申请人',
+          request_date: '2026-03-25',
+          expense_category: 'material',
+          total_amount: 15000,
+          items: [
+            {
+              product_name: '测试商品A',
+              quantity: 10,
+              unit_price: 1000,
+              total_price: 10000
+            },
+            {
+              product_name: '测试商品B',
+              quantity: 5,
+              unit_price: 1000,
+              total_price: 5000
+            }
+          ]
+        });
+      
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+      expect(response.body.data).toHaveProperty('id');
+      expect(response.body.data).toHaveProperty('request_code');
+      testPurchaseRequestId = response.body.data.id;
+    });
+
+    test('GET /api/purchase-requests - 应该能获取采购申请列表', async () => {
+      const response = await request(app).get('/api/purchase-requests');
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+      expect(Array.isArray(response.body.data)).toBe(true);
+    });
+
+    test('GET /api/purchase-requests/:id - 应该能获取采购申请详情', async () => {
+      const response = await request(app).get(`/api/purchase-requests/${testPurchaseRequestId}`);
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+      expect(response.body.data).toHaveProperty('items');
+      expect(response.body.data.items.length).toBe(2);
+    });
+
+    test('POST /api/purchase-requests/:id/submit - 应该能提交采购申请', async () => {
+      const response = await request(app)
+        .post(`/api/purchase-requests/${testPurchaseRequestId}/submit`);
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+    });
+
+    test('POST /api/purchase-requests/:id/approve - 应该能审批通过采购申请', async () => {
+      const response = await request(app)
+        .post(`/api/purchase-requests/${testPurchaseRequestId}/approve`);
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+    });
+
+    test('PUT /api/purchase-requests/:id - 应该能更新采购申请', async () => {
+      const response = await request(app)
+        .put(`/api/purchase-requests/${testPurchaseRequestId}`)
+        .send({
+          project_id: 1,
+          applicant: '测试申请人',
+          request_date: '2026-03-25',
+          expense_category: 'material',
+          total_amount: 20000,
+          remark: '更新备注'
+        });
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+    });
+  });
+
+  describe('库存管理API', () => {
+    test('GET /api/inventory - 应该能获取库存记录', async () => {
+      const response = await request(app).get('/api/inventory');
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+      expect(Array.isArray(response.body.data)).toBe(true);
+    });
+
+    test('GET /api/inventory/summary - 应该能获取库存汇总', async () => {
+      const response = await request(app).get('/api/inventory/summary');
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+      expect(Array.isArray(response.body.data)).toBe(true);
+    });
+
+    test('POST /api/inventory/out - 应该能创建出库记录', async () => {
+      const response = await request(app)
+        .post('/api/inventory/out')
+        .send({
+          project_id: 1,
+          product_id: 1,
+          quantity: 10,
+          operator: '测试操作员'
+        });
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+    });
+  });
+
+  describe('项目成本统计API', () => {
+    test('GET /api/projects/:id/cost-summary - 应该能获取项目成本统计', async () => {
+      const response = await request(app).get('/api/projects/1/cost-summary');
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+      expect(response.body.data).toHaveProperty('project_name');
+      expect(response.body.data).toHaveProperty('purchase_cost');
+      expect(response.body.data).toHaveProperty('payment_cost');
+      expect(response.body.data).toHaveProperty('total_cost');
+      expect(response.body.data).toHaveProperty('profit');
+    });
+  });
+
+  describe('采购申请删除API', () => {
+    let tempPurchaseRequestId;
+
+    beforeAll(async () => {
+      const response = await request(app)
+        .post('/api/purchase-requests')
+        .send({
+          project_id: 1,
+          applicant: '临时测试',
+          request_date: '2026-03-25',
+          expense_category: 'material',
+          total_amount: 1000
+        });
+      tempPurchaseRequestId = response.body.data.id;
+    });
+
+    test('DELETE /api/purchase-requests/:id - 应该能删除采购申请', async () => {
+      const response = await request(app)
+        .delete(`/api/purchase-requests/${tempPurchaseRequestId}`);
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(true);
+    });
+
+    test('GET /api/purchase-requests/:id - 删除后应该返回404', async () => {
+      const response = await request(app)
+        .get(`/api/purchase-requests/${tempPurchaseRequestId}`);
+      expect(response.status).toBe(404);
+    });
+  });
+});