public function testFormatting($lang, $rule, $expected)
{
// Sunday, March 16th is our reference start date
$dateTime = new \DateTime('2014-03-16 04:00:00');
$rule = new Rule($rule, $dateTime);
$transformer = new TextTransformer(new Translator($lang));
$this->assertEquals(self::$languages[$lang][$expected], $transformer->transform($rule));
}