public function setup()
{
$this->allUsers = [['name' => 'Dan', 'friends' => [1, 2, 3, 4]], ['name' => 'Nick', 'friends' => [0, 2, 3, 4]], ['name' => 'Lee', 'friends' => [0, 1, 3, 4]], ['name' => 'Joe', 'friends' => [0, 1, 2, 4]], ['name' => 'Tim', 'friends' => [0, 1, 2, 3]]];
$this->userType = new ObjectType(['name' => 'User', 'fields' => function () {
return ['name' => ['type' => Type::string()], 'friends' => ['type' => $this->friendConnection, 'args' => Connection::connectionArgs(), 'resolve' => function ($user, $args) {
return ArrayConnection::connectionFromArray($user['friends'], $args);
}], 'friendsForward' => ['type' => $this->userConnection, 'args' => Connection::forwardConnectionArgs(), 'resolve' => function ($user, $args) {
return ArrayConnection::connectionFromArray($user['friends'], $args);
}], 'friendsBackward' => ['type' => $this->userConnection, 'args' => Connection::backwardConnectionArgs(), 'resolve' => function ($user, $args) {
return ArrayConnection::connectionFromArray($user['friends'], $args);
}]];
}]);
$this->friendEdge = Connection::createEdgeType(['name' => 'Friend', 'nodeType' => $this->userType, 'resolveNode' => function ($edge) {
return $this->allUsers[$edge['node']];
}, 'edgeFields' => function () {
return ['friendshipTime' => ['type' => Type::string(), 'resolve' => function () {
return 'Yesterday';
}]];
}]);
$this->friendConnection = Connection::createConnectionType(['name' => 'Friend', 'nodeType' => $this->userType, 'edgeType' => $this->friendEdge, 'connectionFields' => function () {
return ['totalCount' => ['type' => Type::int(), 'resolve' => function () {
return count($this->allUsers) - 1;
}]];
}]);
$this->userEdge = Connection::createEdgeType(['nodeType' => $this->userType, 'resolveNode' => function ($edge) {
return $this->allUsers[$edge['node']];
}]);
$this->userConnection = Connection::createConnectionType(['nodeType' => $this->userType, 'edgeType' => $this->userEdge]);
$this->queryType = new ObjectType(['name' => 'Query', 'fields' => function () {
return ['user' => ['type' => $this->userType, 'resolve' => function () {
return $this->allUsers[0];
}]];
}]);
$this->schema = new Schema(['query' => $this->queryType]);
}
/**
* A simple function that accepts an array and connection arguments, and returns
* a connection object for use in GraphQL. It uses array offsets as pagination,
* so pagination will only work if the array is static.
* @param array $data
* @param $args
*
* @return array
*/
public static function connectionFromArray(array $data, $args)
{
return ArrayConnection::connectionFromArray($data, $args);
}
public function testReturnsNoElementsIfCursorsCross()
{
$connection = ArrayConnection::connectionFromArray($this->letters, ['before' => 'YXJyYXljb25uZWN0aW9uOjI=', 'after' => 'YXJyYXljb25uZWN0aW9uOjQ=']);
$expected = array('edges' => array(), 'pageInfo' => array('startCursor' => NULL, 'endCursor' => NULL, 'hasPreviousPage' => false, 'hasNextPage' => false));
$this->assertEquals($expected, $connection);
}
