public function testLineChartCreation()
{
$chart = new GridChart();
$chart->drawLines(array('label' => 'My bar', 'color' => 'black', 'data' => array(array(0, 0), array(1, 1), array(1, 2))));
$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="line"]');
$this->assertEquals(1, $path->length, 'Assert the correct number of datapoints being drawn as SVG lines');
}
private function drawLogChart3()
{
$chart = new GridChart();
$chart->alignTopLeft();
$chart->setAxisLabel('X axis label', 'Y axis label')->setYAxis(new LogarithmicUnit());
for ($i = -2; $i < 3; $i++) {
$sign = $i > 0 ? 1 : ($i < 0 ? -1 : 0);
$data[] = array($i, $sign * pow(10, abs($i)));
}
$chart->drawLines(array('label' => 'f(x): sign(x) * 10^|x|', 'color' => '#F56', 'data' => $data, 'showPoints' => true));
return $chart;
}
/**
* Notifications and defects
*
* @return GridChart
*/
public function createDefectImage()
{
$gridChart = new GridChart();
$gridChart->title = $this->translate('Defect Chart');
$gridChart->description = $this->translate('Notifications and defects per hour');
$gridChart->alignTopLeft();
$gridChart->setAxisLabel($this->createPeriodDescription(), $this->translate('Notifications'))->setXAxis(new StaticAxis())->setYAxis(new LinearUnit(10))->setAxisMin(null, 0);
$gridChart->drawBars(array('label' => $this->translate('Notifications'), 'color' => '#07C0D9', 'data' => $this->notificationData, 'showPoints' => true, 'tooltip' => '<b>{title}:</b> {value} {label}'));
$gridChart->drawLines(array('label' => $this->translate('Defects'), 'color' => '#ff5566', 'data' => $this->problemData, 'showPoints' => true, 'tooltip' => '<b>{title}:</b> {value} {label}'));
return $gridChart;
}