public function testSimpleExtension()
{
$body = '
extend type Hello {
world: String
}
';
$doc = Parser::parse($body);
$loc = function ($start, $end) {
return TestUtils::locArray($start, $end);
};
$expected = ['kind' => NodeKind::DOCUMENT, 'definitions' => [['kind' => NodeKind::TYPE_EXTENSION_DEFINITION, 'definition' => ['kind' => NodeKind::OBJECT_TYPE_DEFINITION, 'name' => $this->nameNode('Hello', $loc(13, 18)), 'interfaces' => [], 'directives' => [], 'fields' => [$this->fieldNode($this->nameNode('world', $loc(23, 28)), $this->typeNode('String', $loc(30, 36)), $loc(23, 36))], 'loc' => $loc(8, 38)], 'loc' => $loc(1, 38)]], 'loc' => $loc(0, 39)];
$this->assertEquals($expected, TestUtils::nodeToArray($doc));
}