Piwik\Plugins\API\Renderer\Json::renderDataTable PHP Method

    public function renderDataTable($dataTable)
    {
        $result = parent::renderDataTable($dataTable);
        return $this->applyJsonpIfNeeded($result);
    }

 public function test_renderDataTable_shouldRenderSimpleDataTable()
 {
     $dataTable = new DataTable\Simple();
     $dataTable->addRowsFromArray(array('nb_visits' => 3, 'nb_random' => 6));
     $response = $this->jsonBuilder->renderDataTable($dataTable);
     $this->assertEquals('{"nb_visits":3,"nb_random":6}', $response);
     $this->assertNoJsonError($response);
 }