public function testNullsAnObjectReturnedInAPromiseThatContainsANonNullableFieldThatReturnsNullInaAPromise()
{
$doc = '
query Q {
promiseNest {
nonNullPromise,
}
}
';
$ast = Parser::parse($doc);
$expected = ['data' => ['promiseNest' => null], 'errors' => [FormattedError::create('Cannot return null for non-nullable field DataType.nonNullPromise.', [new SourceLocation(4, 11)])]];
Executor::setPromiseAdapter(new ReactPromiseAdapter());
$this->assertArraySubsetPromise($expected, Executor::execute($this->schema, $ast, $this->nullingData, null, [], 'Q'));
}