spec\Sylius\Bundle\GridBundle\Doctrine\PHPCRODM\ExpressionBuilderSpec::it_builds_is_not_null PHP Метод

    function it_builds_is_not_null()
    {
        $expr = $this->isNotNull('o.foo');
        $expr->getOperator()->shouldReturn(ExtraComparison::IS_NOT_NULL);
        $expr->getField()->shouldReturn('o.foo');
    }