GraphQL\Tests\Type\SchemaValidatorTest::testRejectsASchemaThatUsesAnInputTypeAsAField PHP Method

    public function testRejectsASchemaThatUsesAnInputTypeAsAField()
    {
        $kinds = ['GraphQL\\Type\\Definition\\ObjectType'];
        foreach ($kinds as $kind) {
            $someOutputType = new $kind(['name' => 'SomeOutputType', 'fields' => function () {
                return ['sneaky' => $this->someInputObjectType];
            }]);
            $schema = new Schema(['query' => $someOutputType]);
            $validationResult = SchemaValidator::validate($schema, [SchemaValidator::noInputTypesAsOutputFieldsRule()]);
            $this->assertSame(1, count($validationResult));
            $this->assertSame('Field SomeOutputType.sneaky is of type SomeInputObject, which is an ' . 'input type, but field types must be output types!', $validationResult[0]->message);
        }
    }