public function testToStorageValue()
{
$value = new FieldValue();
$value->data = $this->authors;
$storageFieldValue = new StorageFieldValue();
$this->converter->toStorageValue($value, $storageFieldValue);
$doc = new DOMDocument('1.0', 'utf-8');
self::assertTrue($doc->loadXML($storageFieldValue->dataText));
$authorsXml = $doc->getElementsByTagName('author');
self::assertSame(count($this->authors), $authorsXml->length);
// Loop against XML nodes and compare them to the real Author objects.
// Then remove Author from $this->authors
// This way, we can check if all authors have been converted in XML
foreach ($authorsXml as $authorXml) {
foreach ($this->authors as $i => $author) {
if ($authorXml->getAttribute('id') == $author['id']) {
self::assertSame($author['name'], $authorXml->getAttribute('name'));
self::assertSame($author['email'], $authorXml->getAttribute('email'));
unset($this->authors[$i]);
break;
}
}
}
self::assertEmpty($this->authors, 'All authors have not been converted as expected');
}