test: added tests for subjectTableExcel download method and confirming its contents

Author: david-roper

apps/web/src/hooks/__tests__/useInstrumentVisualization.test.ts

@@ -20,6 +20,8 @@ const mockStore = {
 
 const mockDownloadFn = vi.fn();
 
+const mockExcelDownloadFn = vi.hoisted(() => vi.fn());
+
 const mockInfoQuery = {
   data: []
 };
@@ -53,6 +55,10 @@ vi.mock('@/hooks/useInstrumentInfoQuery', () => ({
   useInstrumentInfoQuery: () => mockInfoQuery
 }));
 
+vi.mock('@/utils/excel', () => ({
+  downloadSubjectTableExcel: mockExcelDownloadFn
+}));
+
 vi.mock('@/hooks/useInstrumentRecords', () => ({
   useInstrumentRecords: () => mockInstrumentRecords
 }));
@@ -124,6 +130,51 @@ describe('useInstrumentVisualization', () => {
       );
     });
   });
+  describe('Excel', () => {
+    it('Should download', () => {
+      const { result } = renderHook(() => useInstrumentVisualization({ params: { subjectId: 'testId' } }));
+      const { dl, records } = result.current;
+      act(() => dl('Excel'));
+      expect(records).toBeDefined();
+      expect(mockExcelDownloadFn).toHaveBeenCalledTimes(1);
+      const [filename, getContentFn] = mockExcelDownloadFn.mock.calls[0] ?? [];
+      expect(filename).toMatch('.xlsx');
+      const excelContents = getContentFn;
+
+      expect(excelContents).toEqual([
+        {
+          GroupID: 'testGroupId',
+          subjectId: 'testId',
+          // eslint-disable-next-line perfectionist/sort-objects
+          Date: '2025-04-30',
+          someValue: 'abc'
+        }
+      ]);
+    });
+  });
+  describe('Excel Long', () => {
+    it('Should download', () => {
+      const { result } = renderHook(() => useInstrumentVisualization({ params: { subjectId: 'testId' } }));
+      const { dl, records } = result.current;
+      act(() => dl('Excel Long'));
+      expect(records).toBeDefined();
+      expect(mockExcelDownloadFn).toHaveBeenCalledTimes(1);
+
+      const [filename, getContentFn] = mockExcelDownloadFn.mock.calls[0] ?? [];
+      expect(filename).toMatch('.xlsx');
+      const excelContents = getContentFn;
+
+      expect(excelContents).toEqual([
+        {
+          Date: '2025-04-30',
+          GroupID: 'testGroupId',
+          SubjectID: 'testId',
+          Value: 'abc',
+          Variable: 'someValue'
+        }
+      ]);
+    });
+  });
   describe('JSON', () => {
     it('Should download', async () => {
       const { result } = renderHook(() => useInstrumentVisualization({ params: { subjectId: 'testId' } }));

apps/web/src/utils/__tests__/excel.test.ts

@@ -1,9 +1,15 @@
 import { describe, expect, it } from 'vitest';
 
-import { downloadExcel } from '../excel';
+import { downloadExcel, downloadSubjectTableExcel } from '../excel';
 
 describe('downloadExcel', () => {
   it('should be defined', () => {
     expect(downloadExcel).toBeDefined();
   });
 });
+
+describe('downloadSujectTableExcel', () => {
+  it('should be defined', () => {
+    expect(downloadSubjectTableExcel).toBeDefined();
+  });
+});