GraphQL\Tests\Validator\OverlappingFieldsCanBeMergedTest::testConflictingReturnTypesWhichPotentiallyOverlap PHP Méthode

testConflictingReturnTypesWhichPotentiallyOverlap() public méthode

    public function testConflictingReturnTypesWhichPotentiallyOverlap()
    {
        // This is invalid since an object could potentially be both the Object
        // type IntBox and the interface type NonNullStringBox1. While that
        // condition does not exist in the current schema, the schema could
        // expand in the future to allow this. Thus it is invalid.
        $this->expectFailsRuleWithSchema($this->getTestSchema(), new OverlappingFieldsCanBeMerged(), '
        {
          someBox {
            ...on IntBox {
              scalar
            }
            ...on NonNullStringBox1 {
              scalar
            }
          }
        }
        ', [FormattedError::create(OverlappingFieldsCanBeMerged::fieldsConflictMessage('scalar', 'they return conflicting types Int and String!'), [new SourceLocation(5, 15), new SourceLocation(8, 15)])]);
    }