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Test backreferences and nested nodes

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This commit is contained in:
Jeremy Dormitzer 2019-04-28 10:58:28 -04:00
parent 3e7ead903d
commit e0037a84bd
2 changed files with 81 additions and 12 deletions
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28
src/JsonLd/JsonLdNode.php
View File

@ -173,16 +173,14 @@ class JsonLdNode implements ArrayAccess
}
return array_map( array( $this, 'resolveProperty'), $names, $property );
} else if ( $property instanceof stdClass && property_exists( $property, '@id') ) {
// Only dereference if @id is the only property present
if ( count( get_object_vars( $property ) ) > 1 ) {
return $property;
}
// Otherwise lazy-load the referenced node
// Lazy-load if we only have the @id property
$idProp = '@id';
if ( count( get_object_vars( $property ) ) <= 1 ) {
$iri = $property->$idProp;
$dereferenced = $this->dereferencer->dereference( $iri );
$expanded = JsonLD::expand( $dereferenced )[0];
$property = $expanded;
}
$referencedNode = $this->graph->getNode( $property->$idProp );
if ( is_null( $referencedNode) ) {
$backrefs = array( $expandedName => array( $this ) );
@ -315,6 +313,26 @@ class JsonLdNode implements ArrayAccess
return property_exists( $this->expanded, '@id' );
}
/**
* Returns the list of nodes which reference this node as the field $name.
* @param string $name
* @return array
*/
public function getBackReferences( $name )
{
$expandedName = $this->expandName( $name );
if ( array_key_exists( $expandedName, $this->backreferences ) ) {
return $this->backreferences[$expandedName];
} else {
return array();
}
}
/**
* Adds a new backreference to this node.
* @param string $expandedName
* @param JsonLdNode $referencingNode
*/
public function addBackReference( $expandedName, JsonLdNode $referencingNode )
{
$this->backreferences[$expandedName][] = $referencingNode;

57
test/JsonLd/JsonLdNodeTest.php
View File

@ -400,10 +400,61 @@ class JsonLdNodeTest extends APTestCase
$this->assertEquals( $expectedValue, $actualValue );
}
public function testBackreferences()
public function provideForBackreferencesOnGet()
{
// TODO implement me
$this->assertTrue( false );
return array(
array(
(object) array(
'@context' => array( 'https://www.w3.org/ns/activitystreams' ),
'id' => 'https://example.org/objects/1',
'type' => 'Note',
'inReplyTo' => (object) array(
'id' => 'https://example.org/articles/1',
'type' => 'Article',
),
),
$this->asContext,
'inReplyTo',
),
);
}
/**
* @dataProvider provideForBackreferencesOnGet
*/
public function testBackreferencesOnGet( $inputObj, $context, $childNodeField, $nodeGraph = array() )
{
$parentNode = $this->makeJsonLdNode( $inputObj, $context, $nodeGraph );
$childNode = $parentNode->$childNodeField;
$this->assertInstanceOf( JsonLdNode::class, $childNode );
$this->assertEquals( $childNode->getBackReferences( $childNodeField ), array( $parentNode ) );
}
public function provideForBackreferencesOnSet()
{
return array(
array(
new stdClass(),
$this->asContext,
'inReplyTo',
(object) array(
'id' => 'https://example.org/articles/1',
'type' => 'Article',
)
)
);
}
/**
* @dataProvider provideForBackreferencesOnSet
*/
public function testBackreferencesOnSet( $inputObj, $context, $newPropertyName, $newNodeValue )
{
$parentNode = $this->makeJsonLdNode( $inputObj, $context );
$parentNode->set( $newPropertyName, $newNodeValue );
$childNode = $parentNode->get( $newPropertyName );
$this->assertInstanceOf( JsonLdNode::class, $childNode );
$this->assertEquals( $childNode->getBackReferences( $newPropertyName ), array( $parentNode ) );
}
private function makeJsonLdNode( $inputObj, $context, $nodeGraph = array() )