GraphQL\Tests\Executor\NonNullTest::testNullsTheTopLevelIfSyncNonNullableFieldReturnsNull PHP Метод

    public function testNullsTheTopLevelIfSyncNonNullableFieldReturnsNull()
    {
        // nulls the top level if sync non-nullable field returns null
        $doc = '
      query Q { nonNullSync }
        ';
        $expected = ['errors' => [FormattedError::create('Cannot return null for non-nullable field DataType.nonNullSync.', [new SourceLocation(2, 17)])]];
        $this->assertArraySubset($expected, Executor::execute($this->schema, Parser::parse($doc), $this->nullingData)->toArray());
    }