protected function loadCachedFile()
{
if (!$this->cacheFile->isReadable()) {
return null;
}
if ($this->cacheFile->getMTime() < $this->dataFile->getMTime()) {
return null;
}
$jsonString = file_get_contents($this->cacheFile->getPathname());
if (false === $jsonString) {
throw new InvalidArgumentException("Can not read file content from '{$this->cacheFile->getPathname()}'!");
}
return CiteCollection::loadFromJson($jsonString);
}
/**
* @param string $fileName
* @return CiteCollection
*/
public static function loadFromXml(SimpleXMLElement $xml)
{
$collection = new CiteCollection();
foreach ($xml->cite as $cite) {
$collection->add(new Cite(array('author' => $cite->author, 'title' => $cite->title, 'text' => $cite->text)));
}
return $collection;
}
public function testLoadFromJson()
{
$xml = new SimpleXMLElement(file_get_contents(WS_TESTS_FIXURES_DIRECTORY . '/cites.xml'));
$collection1 = CiteCollection::loadFromXml($xml);
$this->assertEquals(6, $collection1->count());
$collection2 = CiteCollection::loadFromJson($collection1->toJson());
$this->assertInstanceOf('CiteCollection', $collection2);
$this->assertEquals(6, $collection2->count());
$this->assertEquals('Thomas Carlyle', $collection2[3]->getAuthor());
$this->assertEquals('', $collection2[3]->getTitle());
$this->assertEquals('Der schlimmste aller Fehler ist, sich keines solchen bewusst zu sein.', $collection2[3]->getText());
$this->assertEquals('Albert Einstein', $collection2[4]->getAuthor());
$this->assertEquals('', $collection2[4]->getTitle());
$this->assertEquals('Phantasie ist wichtiger als Wissen, denn Wissen ist begrenzt.', $collection2[4]->getText());
$this->assertEquals('Bla', $collection2[5]->getAuthor());
$this->assertEquals('Blubb title', $collection2[5]->getTitle());
$this->assertEquals('Albert Einstein', $collection2[5]->getText());
}
/**
* @return Cite
*/
public function getCite()
{
$index = mt_rand(0, $this->collection->count() - 1);
return $this->collection[$index];
}
