Function expectEq

__tests__/compare.test.ts:6–48

(
  ltext: string,
  rtext: string,
  { hunks, inlines, isTextCompare }: { hunks?: Diff[]; inlines?: Diff[]; isTextCompare?: boolean },
)

import { readFileIfNeed } from "./utils";

function expectEq(
  ltext: string,
  rtext: string,
  { hunks, inlines, isTextCompare }: { hunks?: Diff[]; inlines?: Diff[]; isTextCompare?: boolean },
) {
  ltext = readFileIfNeed(ltext);
  rtext = readFileIfNeed(rtext);

  let pairs;

  if (isTextCompare) {
    pairs = compareText(ltext, rtext);
  } else {
    const ltree = parseJSON(ltext);
    const rtree = parseJSON(rtext);
    pairs = compareTree(ltree, rtree);
  }

  const gotInlineDiffs = sort(
    pairs
      .map(({ left, right }) => (left?.inlineDiffs ?? []).concat(right?.inlineDiffs ?? []))
      .reduce((a, b) => a.concat(b), []),
  );
  const gotHunkDiffs = sort(
    pairs
      .map(({ left, right }) => {
        left && delete left.inlineDiffs;
        right && delete right.inlineDiffs;
        return [left, right];
      })
      .reduce((a, b) => a.concat(b), [])
      .filter((a) => a) as Diff[],
  );

  expect(hunks !== undefined || inlines !== undefined || isTextCompare !== undefined).toEqual(true);

  if (hunks) {
    expect(gotHunkDiffs).toMatchObject(hunks);
  }
  if (inlines) {
    expect(gotInlineDiffs).toMatchObject(inlines);
  }
}

describe("Comparer", () => {
  test("diffVal", () => {