@elibrary-inno/bookreader/tests/jest/plugins/tts/PageChunk.test.js

The Internet Archive BookReader.

import PageChunk from '@/src/plugins/tts/PageChunk.js';

describe('_fixChunkRects', () => {
  const { _fixChunkRects } = PageChunk;

  test('Handles empty array', () => {
    const rects = [];
    expect(_fixChunkRects(rects)).toBe(rects);
    expect(rects).toEqual([]);
  });

  test('Does not modify normal values values normal', () => {
    const rects = [[100,100,500,80], [200,200,500,180], [300,300,500,280]];
    expect(_fixChunkRects(rects)).toBe(rects);
    expect(rects).toEqual([[100,100,500,80], [200,200,500,180], [300,300,500,280]]);
  });

  test('Fixes outlier values in first rect', () => {
    const rects = [[100,2300,2300,0], [200,200,200,180], [300,300,200,280]];
    expect(_fixChunkRects(rects)).toBe(rects);
    expect(rects).toEqual([[100,2300,200,2280], [200,200,200,180], [300,300,200,280]]);
  });
});

describe('_fromTextWrapperResponse', () => {
  const { _fromTextWrapperResponse } = PageChunk;

  test('Handles empty array', () => {
    expect(_fromTextWrapperResponse(0, [])).toEqual([]);
  });

  test('Basic test', () => {
    const chunks = _fromTextWrapperResponse(0, [['Line', [0,100,100,0]]]);
    expect(chunks).toEqual([new PageChunk(0, 0, 'Line', [[0,100,100,0]])]);
  });
});

describe('_removeDanglingHyphens', () => {
  const { _removeDanglingHyphens } = PageChunk;

  test('No change to empty string', () => {
    expect(_removeDanglingHyphens('')).toEqual('');
  });

  test('No change when no hyphens string', () => {
    expect(_removeDanglingHyphens('Hello world!')).toEqual('Hello world!');
  });

  test('No change to hyphens mid-word', () => {
    expect(_removeDanglingHyphens('It is mid-word!')).toEqual('It is mid-word!');
  });

  test('Removes hyphens followed by spaces', () => {
    expect(_removeDanglingHyphens('It is not mid- word!')).toEqual('It is not midword!');
    expect(_removeDanglingHyphens('mid- word fid- word')).toEqual('midword fidword');
  });
});