public function render($output = true)
{
$pie = new PieChartRenderer();
$pie->disableLegend();
$pie->drawPie(array('data' => $this->data, 'colors' => $this->colors, 'labels' => $this->labels));
$pie->setWidth($this->width)->setHeight($this->height);
if ($output) {
echo $pie->render();
} else {
return $pie->render();
}
}
public function testPieChartCreation()
{
$chart = new PieChart();
$chart->drawPie(array('label' => 'My bar', 'color' => 'black', 'green', 'red', 'data' => array(50, 50, 50)));
$doc = new DOMDocument();
$doc->preserveWhiteSpace = false;
$doc->loadXML($chart->render());
$xpath = new DOMXPath($doc);
$xpath->registerNamespace('x', 'http://www.w3.org/2000/svg');
$path = $xpath->query('//x:path[@data-icinga-graph-type="pieslice"]');
$this->assertEquals(3, $path->length, 'Assert the correct number of datapoints being drawn as SVG bars');
}