public function __invoke(ValidationContext $context) { $varDefMap = new \ArrayObject(); $visitedFragmentNames = new \ArrayObject(); return ['visitSpreadFragments' => true, Node::OPERATION_DEFINITION => function () use(&$varDefMap, &$visitedFragmentNames) { $varDefMap = new \ArrayObject(); $visitedFragmentNames = new \ArrayObject(); }, Node::VARIABLE_DEFINITION => function (VariableDefinition $varDefAST) use($varDefMap) { $varDefMap[$varDefAST->variable->name->value] = $varDefAST; }, Node::FRAGMENT_SPREAD => function (FragmentSpread $spreadAST) use($visitedFragmentNames) { // Only visit fragments of a particular name once per operation if (!empty($visitedFragmentNames[$spreadAST->name->value])) { return Visitor::skipNode(); } $visitedFragmentNames[$spreadAST->name->value] = true; }, Node::VARIABLE => function (Variable $variableAST) use($context, $varDefMap) { $varName = $variableAST->name->value; $varDef = isset($varDefMap[$varName]) ? $varDefMap[$varName] : null; $varType = $varDef ? TypeInfo::typeFromAST($context->getSchema(), $varDef->type) : null; $inputType = $context->getInputType(); if ($varType && $inputType && !$this->varTypeAllowedForType($this->effectiveType($varType, $varDef), $inputType)) { return new Error(Messages::badVarPosMessage($varName, $varType, $inputType), [$variableAST]); } }]; }
public function testStringXBooleanNonNullInDirective() { // String => Boolean! in directive $this->expectFailsRule(new VariablesInAllowedPosition(), ' query Query($stringVar: String) { dog @include(if: $stringVar) } ', [FormattedError::create(Messages::badVarPosMessage('stringVar', 'String', 'Boolean!'), [new SourceLocation(4, 26)])]); }