public function testFindMultipleFile()
{
$normalizer = new Normalizer($this->getCacheDir());
$locator = new Locator($normalizer);
// locator MUST find multiple files in a directory
mkdir($this->getCacheDir() . '/test');
touch($this->getCacheDir() . '/test/test.css');
touch($this->getCacheDir() . '/test/test2.css');
$sources = $locator->locate($this->getCacheDir() . '/test');
$this->assertCount(2, $sources);
$this->assertEquals($this->getCacheDir() . '/test/test.css', $sources[0]->getRealPath());
$this->assertEquals($this->getCacheDir() . '/test/test2.css', $sources[1]->getRealPath());
$this->assertInstanceOf(Normalizer::class, $locator->getNormalizer());
}
/**
* Filter only the sources supported by the current filter.
*
* @param SplFileInfo[] $sources
* @param FilterInterface $filter
* @return array
* @throws Exception
*/
protected function filterSources(array $sources, FilterInterface $filter)
{
$filteredSources = [];
// if the filter supports no extension, there is an error
if (!is_array($filter->getSupportedExtensions()) || !count($filter->getSupportedExtensions())) {
throw new Exception('No supported extensions found for the filter ' . $filter->getName());
}
foreach ($sources as $source) {
$isExtensionSupported = in_array($source->getExtension(), $filter->getSupportedExtensions());
$supportAllExtensions = in_array('*', $filter->getSupportedExtensions());
if ($isExtensionSupported || $supportAllExtensions) {
$filteredSources[] = $this->locator->getNormalizer()->normalize($source);
}
}
return $filteredSources;
}
