public function test_getting_a_field_by_index() { $resource = new Resource('my__0', 'myCoolResource', 'my_cool_table', 'my_cool_id'); $field = new Field($resource, 'myCoolField', 'my_cool_field', Field::TYPE_STRING); $resource->addField($field); $this->assertEquals($field, $resource->getFieldByIndex(0)); }