feat: improve occupancy import template

apps/server/src/occupancies/occupancy-import-template.spec.ts

@@ -0,0 +1,62 @@
+import {
+  createOccupancyImportTemplateWorkbook,
+  OCCUPANCY_IMPORT_COLUMNS,
+  parseOccupancyImportWorksheet,
+} from './occupancy-import-template';
+
+describe('occupancy import template', () => {
+  it('includes the current occupancy fields including bed and locker numbers', () => {
+    const workbook = createOccupancyImportTemplateWorkbook();
+    const ws = workbook.getWorksheet('入住名单导入模板')!;
+    const headers = ws.getRow(1).values as unknown[];
+
+    expect(headers).toEqual(
+      expect.arrayContaining([
+        '宿舍号',
+        '楼栋',
+        '床位号',
+        '柜子号',
+        '计费起始日',
+        '入住类型',
+        '备注',
+      ]),
+    );
+    expect(ws.columnCount).toBe(OCCUPANCY_IMPORT_COLUMNS.length);
+  });
+
+  it('keeps Excel Date cells on the same local calendar day', () => {
+    const workbook = createOccupancyImportTemplateWorkbook();
+    const ws = workbook.getWorksheet('入住名单导入模板')!;
+    ws.getCell('J2').value = new Date(2026, 3, 21);
+    ws.getCell('K2').value = new Date(2026, 3, 22);
+    ws.getCell('L2').value = new Date(2026, 3, 30);
+
+    expect(parseOccupancyImportWorksheet(ws)[0]).toMatchObject({
+      checkInDate: '2026-04-21',
+      billingStartDate: '2026-04-22',
+      checkOutDate: '2026-04-30',
+    });
+  });
+
+  it('parses rows by header so new columns do not shift existing fields', () => {
+    const workbook = createOccupancyImportTemplateWorkbook();
+    const ws = workbook.getWorksheet('入住名单导入模板')!;
+    const rows = parseOccupancyImportWorksheet(ws);
+
+    expect(rows[0]).toMatchObject({
+      roomNumber: '4-102',
+      building: '4号楼',
+      bedNumber: '1号床',
+      lockerNumber: 'A01',
+      name: '张三',
+      checkInDate: '2026-04-21',
+      billingStartDate: '2026-04-21',
+      stayType: 'short',
+    });
+    expect(rows[1]).toMatchObject({
+      bedNumber: '2号床',
+      lockerNumber: 'A02',
+      stayType: 'long',
+    });
+  });
+});