public function testFilterParsing()
{
$c = array('article' => array('section' => 'News'));
$p = new Parser('');
$fe = new FilterExpression('article.section', $p);
$this->assertEquals('News', $fe->resolve($c));
$fe = new FilterExpression('article.section|upper', $p);
$this->assertEquals('NEWS', $fe->resolve($c));
$fe = new FilterExpression('"News"', $p);
$this->assertEquals('News', $fe->resolve($c));
$fe = new FilterExpression("'News'", $p);
$this->assertEquals('News', $fe->resolve($c));
$fe = new FilterExpression('"Some \\"Good\\" News"', $p);
$this->assertEquals('Some "Good" News', $fe->resolve($c));
$fe = new FilterExpression("'Some \"Good\" News'", $p);
$this->assertEquals('Some "Good" News', $fe->resolve($c));
$fe = new FilterExpression('"Some \\"Good\\" News"', $p);
$this->assertEquals(array(), $fe->filters);
$this->assertEquals('Some "Good" News', $fe->var);
$fe = new FilterExpression("'Some \\'Bad\\' News'", $p);
$this->assertEquals("Some 'Bad' News", $fe->resolve($c));
// Filtered variables should reject access of attributes beginning with underscores.
$this->setExpectedException('TemplateSyntaxError');
new FilterExpression('article._hidden|upper', $p);
}
/**
* @param Context $context
*
* @return SafeString|string
*/
public function render($context)
{
$output = $this->filter_expression->resolve($context);
return DjaBase::renderValueInContext($output, $context);
}
