Commando\Test\OptionTest::testRule PHP Метод

    public function testRule()
    {
        $option = new Option('f');
        $option->setRule(function ($value) {
            return is_numeric($value);
        });
        $this->assertFalse($option->validate('a'));
        $this->assertFalse($option->validate('abc'));
        $this->assertTrue($option->validate('2'));
        $this->assertTrue($option->validate(2));
        $this->assertTrue($option->validate(0));
        $option->setValue(2);
        $caught = false;
        try {
            $option->setValue('abc');
        } catch (\Exception $e) {
            $caught = true;
        }
        $this->assertTrue($caught);
    }