/**
* Tests the serialization of graphs
*/
public function testSerializeGraph()
{
// This is the expanded and flattened version of the test document
// (the blank node labels have been renamed from _:t... to _:b...)
$expected = Processor::loadDocument('[{
"@id": "_:b0",
"http://vocab.com/nested": [{
"@value": "1.1"
}]
}, {
"@id": "_:b1",
"http://vocab.com/nested": [{
"@value": "2.1"
}]
}, {
"@id": "_:b2",
"http://vocab.com/nested": [{
"@value": "2.2"
}]
}, {
"@id": "_:b3",
"http://vocab.com/nested": [{
"@value": "3.1"
}]
}, {
"@id": "http://example.com/node/1",
"@type": ["http://vocab.com/type/node"],
"http://vocab.com/contains": [{
"@id": "_:b0"
}],
"http://vocab.com/link": [{
"@id": "http://example.com/node/2"
}],
"http://vocab.com/name": [{
"@value": "1"
}]
}, {
"@id": "http://example.com/node/2",
"@type": ["http://vocab.com/type/nodeWithAliases"],
"http://vocab.com/aliases": [{
"@value": "node2"
}, {
"@value": 2,
"@type": "http://www.w3.org/2001/XMLSchema#integer"
}],
"http://vocab.com/contains": [{
"@id": "_:b1"
}, {
"@id": "_:b2"
}],
"http://vocab.com/lang": [{
"@language": "en",
"@value": "language-tagged string"
}],
"http://vocab.com/link": [{
"@id": "http://example.com/node/3"
}],
"http://vocab.com/name": [{
"@value": "2"
}],
"http://vocab.com/typed": [{
"@type": "http://vocab.com/type/datatype",
"@value": "typed value"
}]
}, {
"@id": "http://example.com/node/3",
"@type": ["http://vocab.com/type/node"],
"http://vocab.com/contains": [{
"@id": "_:b3"
}],
"http://vocab.com/lang": [{
"@language": "en",
"@value": "language-tagged string: en"
}, {
"@language": "de",
"@value": "language-tagged string: de"
}],
"http://vocab.com/link": [{
"@id": "http://example.com/node/1"
}],
"http://vocab.com/name": [{
"@value": "3"
}],
"http://vocab.com/typed": [{
"@type": "http://vocab.com/type/datatype",
"@value": "typed value"
}, {
"@language": "ex:/type/otherDataType",
"@value": "typed value"
}, {
"@language": "ex:/type/datatype",
"@value": "typed value"
}]
}, {
"@id": "http://vocab.com/type/node"
}, {
"@id": "http://vocab.com/type/nodeWithAliases"
}]');
$this->assertEquals($expected, $this->graph->toJsonLd(false), 'Serialize graph');
}
/**
* Merge the passed options with the options' default values.
*
* @param null|array|object $options The options.
*
* @return object The merged options.
*/
private static function mergeOptions($options)
{
$result = (object) array('base' => null, 'expandContext' => null, 'compactArrays' => true, 'optimize' => false, 'graph' => null, 'useNativeTypes' => false, 'useRdfType' => false, 'produceGeneralizedRdf' => false, 'documentFactory' => null);
if (is_array($options) || is_object($options)) {
$options = (object) $options;
if (isset($options->{'base'})) {
if (is_string($options->{'base'})) {
$result->base = new IRI($options->{'base'});
} elseif ($options->{'base'} instanceof IRI && $options->{'base'}->isAbsolute()) {
$result->base = clone $options->{'base'};
} else {
throw \InvalidArgumentException('The "base" option must be set to null or an absolute IRI.');
}
}
if (property_exists($options, 'expandContext')) {
if (is_string($options->expandContext)) {
$result->expandContext = Processor::loadDocument($options->expandContext);
} elseif (is_object($options->expandContext)) {
$result->expandContext = $options->expandContext;
}
if (is_object($result->expandContext) && property_exists($result->expandContext, '@context')) {
$result->expandContext = $result->expandContext->{'@context'};
}
}
if (property_exists($options, 'compactArrays') && is_bool($options->compactArrays)) {
$result->compactArrays = $options->compactArrays;
}
if (property_exists($options, 'optimize') && is_bool($options->optimize)) {
$result->optimize = $options->optimize;
}
if (property_exists($options, 'graph') && is_string($options->graph)) {
$result->graph = $options->graph;
}
if (property_exists($options, 'useNativeTypes') && is_bool($options->useNativeTypes)) {
$result->useNativeTypes = $options->useNativeTypes;
}
if (property_exists($options, 'useRdfType') && is_bool($options->useRdfType)) {
$result->useRdfType = $options->useRdfType;
}
if (property_exists($options, 'produceGeneralizedRdf') && is_bool($options->produceGeneralizedRdf)) {
$result->produceGeneralizedRdf = $options->produceGeneralizedRdf;
}
if (property_exists($options, 'documentFactory') && $options->documentFactory instanceof DocumentFactoryInterface) {
$result->documentFactory = $options->documentFactory;
}
}
return $result;
}
