| public static cursorForObjectInConnection ( $data, $object ) |
public function build(SchemaConfig $config)
{
$fetcher = new CallableFetcher(function ($type, $id) {
switch ($type) {
case FactionType::TYPE_KEY:
return TestDataProvider::getFaction($id);
case ShipType::TYPE_KEY:
return TestDataProvider::getShip($id);
}
return null;
}, function ($object) {
return $object && array_key_exists('ships', $object) ? new FactionType() : new ShipType();
});
$config->getQuery()->addField(new NodeField($fetcher))->addField('rebels', ['type' => new FactionType(), 'resolve' => function () {
return TestDataProvider::getFaction('rebels');
}])->addField('empire', ['type' => new FactionType(), 'resolve' => function () {
return TestDataProvider::getFaction('empire');
}])->addField('factions', ['type' => new ListType(new FactionType()), 'args' => ['names' => ['type' => new ListType(new StringType())]], 'resolve' => function ($value = null, $args, $info) {
return TestDataProvider::getByNames($args['names']);
}]);
$config->getMutation()->addField(RelayMutation::buildMutation('introduceShip', [new InputField(['name' => 'shipName', 'type' => new NonNullType(new StringType())]), new InputField(['name' => 'factionId', 'type' => new NonNullType(new StringType())])], ['newShipEdge' => ['type' => Connection::edgeDefinition(new ShipType(), 'newShip'), 'resolve' => function ($value) {
$allShips = TestDataProvider::getShips();
$newShip = TestDataProvider::getShip($value['shipId']);
return ['cursor' => ArrayConnection::cursorForObjectInConnection($allShips, $newShip), 'node' => $newShip];
}], 'faction' => ['type' => new FactionType(), 'resolve' => function ($value) {
return TestDataProvider::getFaction($value['factionId']);
}]], function ($value, $args, $info) {
$newShip = TestDataProvider::createShip($args['shipName'], $args['factionId']);
return ['shipId' => $newShip['id'], 'factionId' => $args['factionId']];
}));
/** https://github.com/graphql/graphql-relay-js/blob/master/src/__tests__/starWarsSchema.js */
}
public function testCursors()
{
$offset = 3;
$data = ['a', 'b', 'c', 'd', 'e'];
$cursor = ArrayConnection::offsetToCursor($offset);
$this->assertEquals($offset, ArrayConnection::cursorToOffset($cursor));
$this->assertEquals($cursor, ArrayConnection::cursorForObjectInConnection($data, 'd'));
$this->assertNull(null, ArrayConnection::cursorToOffset(null));
$this->assertEquals($offset, ArrayConnection::cursorToOffsetWithDefault($cursor, 2));
$this->assertEquals(2, ArrayConnection::cursorToOffsetWithDefault(null, 2));
}