text: import XLSX from 'xlsx';
  import getHeaderRowFromWorkbook from '../getHeaderRowFromWorkbook';
  import getWorkbookParams from './getWorkbookParams';
  
  XLSX.utils.decode_range = jest.fn(() => {
      return { s: { c: 0, r: 0 }, e: { c: 2, r: 2 } };
  });
  
  describe('getHeaderRowFromWorkbook', () => {
      it('should return headers values using the first row values from the workBook', () => {
          const workbook = getWorkbookParams();
          const headers = getHeaderRowFromWorkbook(workbook);
          const expectedHeaders = ['First_Name', 'Last_Name', 'Email'];
          expect(headers).toEqual(expectedHeaders);
      });
      it('should return empty values if workbook sheet is not valid', () => {
          const headers = getHeaderRowFromWorkbook([]);
          expect(headers.length).toBe(0);
      });
      it('should call XLSX.utils.decode_range with the right argument', () => {
          const workbook = getWorkbookParams();
          getHeaderRowFromWorkbook(workbook);
          expect(XLSX.utils.decode_range).toHaveBeenCalledWith(
              workbook.Sheets[workbook.SheetNames[0]]['!ref'],
          );
      });
  });
  