input-format/modules/parse.test.js

Formatting user's text input on-the-fly

import { expect } from 'chai';
import parse from './parse.js';

var parse_digits = function parse_digits(text, caret_position) {
  return parse(text, caret_position, function (character) {
    if (character >= '0' && character <= '9') {
      return character;
    }
  });
};

describe("parse", function () {
  it("should parse phone numbers", function () {
    function test_caret(caret_in_text, caret_in_value) {
      expect(parse_digits('(123) 456-78-90', caret_in_text)).to.deep.equal({
        value: '1234567890',
        caret: caret_in_value
      });
    }

    test_caret(0, 0);
    test_caret(1, 0);
    test_caret(2, 1);
    test_caret(3, 2);
    test_caret(4, 3);
    test_caret(5, 3);
    test_caret(6, 3);
    test_caret(7, 4);
    test_caret(8, 5);
    test_caret(9, 6);
    test_caret(10, 6);
    test_caret(11, 7);
    test_caret(12, 8);
    test_caret(13, 8);
    test_caret(14, 9);
    test_caret(15, 10);
  });
  it("should parse without caret position specified", function () {
    expect(parse_digits(' 1 2 3 ', undefined)).to.deep.equal({
      value: '123',
      caret: 3
    });
  });
});
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