yadda/test/RegularExpressionTests.js

A true BDD framework for JavaScript

'use strict';

var assert = require('assert');
var RegularExpression = require('../lib/RegularExpression');

describe('RegularExpression', function () {
  it('should base equality on underlying RegExp source', function () {
    assert.ok(new RegularExpression(/abc/).equals(new RegularExpression(/abc/)));
    assert.ok(new RegularExpression('abc').equals(new RegularExpression('abc')));
    assert.ok(new RegularExpression(/abc/).equals(new RegularExpression('abc')));
    assert.ok(new RegularExpression('abc').equals(new RegularExpression(/abc/)));
  });

  it('should provide matching groups', function () {
    var words = new RegularExpression(/(\d+) (\w+)/g);
    var groups = words.groups('1 the 2 quick 3 brown 4 fox');
    assert.equal(groups.length, 8);
    assert.equal(groups[0], '1');
    assert.equal(groups[1], 'the');
    assert.equal(groups[3], 'quick');
  });

  it('should provide multiline', function () {
    var words = new RegularExpression(/text: ([^\u0000]*)/);
    var groups = words.groups('text: 1\n2\n3');
    assert.equal(groups.length, 1);
    assert.equal(groups[0], '1\n2\n3');
  });
});