import { describe, expect, it } from 'vitest';
import { normalizePatchOperations, parseExcelPatchInput } from './excel-patch.js';

describe('Excel patch edge cases', () => {
  it('supports a valid sheet name containing an exclamation mark', () => {
    const parsed = parseExcelPatchInput({
      output_path: 'output/book.xlsx',
      operations: [
        { op: 'add_sheet', name: 'Ops!' },
        { op: 'set_values', sheet: 'Ops!', range: 'A1', values:  },
      ],
    });
    if (!parsed.ok) throw new Error(parsed.violations.map((item) => item.message).join('; '));

    const normalized = normalizePatchOperations(parsed.value, { sheets: [], formulaCells: 0 });

    expect(normalized).toMatchObject({ ok: true });
  });

  it.each([Number.NaN, Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY])(
    'rejects non-finite cell value %s',
    (value) => {
      expect(parseExcelPatchInput({
        output_path: 'output/book.xlsx',
        operations: [
          { op: 'set_values', sheet: 'Sheet1', range: 'A1', values:  },
        ],
      })).toMatchObject({ ok: false });
    },
  );
});