@kartotherian/babel/test/codecTest.js

Tile source to support multilingual maps

/* global describe it */

const assert = require('assert');
const Promise = require('bluebird');
const pathLib = require('path');
const fs = Promise.promisifyAll(require('fs'));
const tileCodec = require('../lib/tileCodec');

describe('PBF round-trip', () => {
  function test(file, expectedData) {
    const path = pathLib.resolve(__dirname, 'data', `${file}.pbf`);
    const data = fs.readFileSync(path);
    const dec = tileCodec.decodeTile(data);

    // var tmp = '/home/yurik/dev/kartotherian/babel/test/data/tmp2.json';
    // require('./debug-utils').writeJson(tmp + '.json', {
    //     "layers": JSON.parse(fs.readFileSync(tmp)) } );
    // require('./debug-utils').writeJson(path + '.decoded.json', dec);

    if (expectedData) assert.deepStrictEqual(dec, expectedData);
    const enc = tileCodec.encodeTile(dec);
    // require('./debug-utils').writePbf(path + '.out.pbf', enc);

    assert.deepStrictEqual(enc, data);
  }

  // This data contains negative values
  it('03-negative-val', () => test('03-negative-val', {
    layers: [
      {
        features: [
          {
            geometry: [9, 7914, 8074, 10, 98, 344],
            id: 1,
            tags: [0, 0, 1, 1, 2, 2, 3, 3],
            type: 2,
          },
        ],
        keys: ['brunnel', 'class', 'layer', 'osm_id'],
        name: 'transport',
        version: 2,
        values: [
          { tag: 1, value: 'tunnel' },
          { tag: 1, value: 'path' },
          { tag: 4, value: -1 },
          { tag: 4, value: 25024894 },
        ],
        extent: 4096,
      },
    ],
  }));

  it('simple', () => test('01-simple', {
    layers: [{
      features: [{
        type: 3,
        geometry: [9, 6, 8448, 26, 261, 0, 0, 8453, 262, 0, 15],
        id: 1,
        tags: [0, 0],
      }],
      keys: ['osm_id'],
      values: [{ tag: 4, value: 0 }],
      version: 2,
      name: 'water',
      extent: 4096,
    }],
  }));

  it('multilingual', () => test('02-multilingual', {
    layers: [
      {
        features: [
          {
            type: 1,
            id: 5,
            tags: [0, 0, 1, 1, 2, 2],
            geometry: [9, 1599, 4288],
          },
        ],
        keys: ['class', 'name', 'name_'],
        values: [
          { tag: 1, value: 'city' },
          { tag: 1, value: 'Vancouver' },
          {
            tag: 1,
            value: '{"ar": "فانكوفر", "bn": "বাংকূবর", "en": "Vancouver", "hi": "वांकूवर", "ja": "バンクーバー", "kn": "ವಾಂಕೂವರ್", "ru": "Ванкувер", "uk": "Ванкувер"}',
          },
        ],
        version: 2,
        name: 'place',
        extent: 4096,
      },
    ],
  }));
});