render() public method

Format the numeric value as a number with grouped thousands, decimal point and precision.
public render ( integer $decimals = 2, string $decimalSeparator = '.', string $thousandsSeparator = ',', string $localeFormatLength = NumbersReader::FORMAT_LENGTH_DEFAULT ) : string
$decimals integer The number of digits after the decimal point
$decimalSeparator string The decimal point character
$thousandsSeparator string The character for grouping the thousand digits
$localeFormatLength string Format length if locale set in $forceLocale. Must be one of Neos\Flow\I18n\Cldr\Reader\NumbersReader::FORMAT_LENGTH_*'s constants.
return string The formatted number
 /**
  * @test
  * @expectedException \Neos\FluidAdaptor\Core\ViewHelper\Exception
  */
 public function viewHelperConvertsI18nExceptionsIntoViewHelperExceptions()
 {
     $localizationConfiguration = new \Neos\Flow\I18n\Configuration('de_DE');
     $mockLocalizationService = $this->getMockBuilder(\Neos\Flow\I18n\Service::class)->setMethods(array('getConfiguration'))->getMock();
     $mockLocalizationService->expects($this->once())->method('getConfiguration')->will($this->returnValue($localizationConfiguration));
     $this->inject($this->viewHelper, 'localizationService', $mockLocalizationService);
     $mockNumberFormatter = $this->getMockBuilder(\Neos\Flow\I18n\Formatter\NumberFormatter::class)->setMethods(array('formatDecimalNumber'))->getMock();
     $mockNumberFormatter->expects($this->once())->method('formatDecimalNumber')->will($this->throwException(new \Neos\Flow\I18n\Exception()));
     $this->inject($this->viewHelper, 'numberFormatter', $mockNumberFormatter);
     $this->viewHelper->expects($this->once())->method('renderChildren')->will($this->returnValue(123.456));
     $this->viewHelper->setArguments(array('forceLocale' => true));
     $this->viewHelper->render();
 }
 /**
  * @test
  */
 public function renderUsesChildNodesIfValueArgumentIsOmitted()
 {
     $this->viewHelper->expects($this->once())->method('renderChildren')->will($this->returnValue(12345));
     $actualResult = $this->viewHelper->render();
     $this->assertEquals('12 KB', $actualResult);
 }