mirror of
https://github.com/retailcrm/graphql-php.git
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Ability for interface types to resolve type asynchronously
This commit is contained in:
Vladimir Razuvaev
parent
445f579f09
commit
d64c352262
@ -969,9 +969,59 @@ class Executor
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$runtimeType = $returnType->resolveType($result, $exeContext->contextValue, $info);
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if (null === $runtimeType) {
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$runtimeType = self::inferTypeOf($result, $exeContext->contextValue, $info, $returnType);
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$runtimeType = self::defaultTypeResolver($result, $exeContext->contextValue, $info, $returnType);
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}
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if ($this->promises->isThenable($runtimeType)) {
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$runtimeType = $this->promises->convertThenable($runtimeType);
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Utils::invariant($runtimeType instanceof Promise);
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}
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if ($runtimeType instanceof Promise) {
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return $runtimeType->then(function($resolvedRuntimeType) use ($returnType, $fieldNodes, $info, $path, &$result) {
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return $this->validateRuntimeTypeAndCompleteObjectValue(
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$returnType,
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$fieldNodes,
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$info,
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$path,
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$resolvedRuntimeType,
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$result
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);
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});
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}
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return $this->validateRuntimeTypeAndCompleteObjectValue(
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$returnType,
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$fieldNodes,
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$info,
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$path,
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$runtimeType,
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$result
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);
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}
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/**
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* @param AbstractType $returnType
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* @param FieldNode[] $fieldNodes
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* @param ResolveInfo $info
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* @param array $path
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* @param mixed $returnedRuntimeType
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* @param $result
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* @return array|Promise|\stdClass
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* @throws Error
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*/
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private function validateRuntimeTypeAndCompleteObjectValue(
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AbstractType $returnType,
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$fieldNodes,
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ResolveInfo $info,
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$path,
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$returnedRuntimeType,
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&$result
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)
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{
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$exeContext = $this->exeContext;
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$runtimeType = $returnedRuntimeType;
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// If resolveType returns a string, we assume it's a ObjectType name.
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if (is_string($runtimeType)) {
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$runtimeType = $exeContext->schema->getType($runtimeType);
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@ -1064,12 +1114,61 @@ class Executor
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*/
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private function completeObjectValue(ObjectType $returnType, $fieldNodes, ResolveInfo $info, $path, &$result)
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{
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$exeContext = $this->exeContext;
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$isTypeOf = $returnType->isTypeOf($result, $this->exeContext->contextValue, $info);
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// If there is an isTypeOf predicate function, call it with the
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// current result. If isTypeOf returns false, then raise an error rather
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// than continuing execution.
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if (false === $returnType->isTypeOf($result, $exeContext->contextValue, $info)) {
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if (null === $isTypeOf) {
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return $this->validateResultTypeAndExecuteFields(
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$returnType,
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$fieldNodes,
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$info,
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$path,
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$result,
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true
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);
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}
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if ($this->promises->isThenable($isTypeOf)) {
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/** @var Promise $isTypeOf */
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$isTypeOf = $this->promises->convertThenable($isTypeOf);
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Utils::invariant($isTypeOf instanceof Promise);
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return $isTypeOf->then(function($isTypeOfResult) use ($returnType, $fieldNodes, $info, $path, &$result) {
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return $this->validateResultTypeAndExecuteFields(
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$returnType,
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$fieldNodes,
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$info,
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$path,
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$result,
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$isTypeOfResult
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);
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});
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}
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return $this->validateResultTypeAndExecuteFields($returnType, $fieldNodes, $info, $path, $result, $isTypeOf);
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}
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/**
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* @param ObjectType $returnType
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* @param FieldNode[] $fieldNodes
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* @param ResolveInfo $info
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* @param array $path
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* @param array $result
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* @param bool $isTypeOfResult
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* @return array|Promise|\stdClass
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* @throws Error
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*/
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private function validateResultTypeAndExecuteFields(
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ObjectType $returnType,
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$fieldNodes,
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ResolveInfo $info,
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$path,
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&$result,
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$isTypeOfResult
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)
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{
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// If isTypeOf returns false, then raise an error
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// rather than continuing execution.
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if (false === $isTypeOfResult) {
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throw new Error(
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"Expected value of type $returnType but got: " . Utils::getVariableType($result),
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$fieldNodes
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@ -1095,23 +1194,47 @@ class Executor
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}
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/**
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* Infer type of the value using isTypeOf of corresponding AbstractType
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* If a resolveType function is not given, then a default resolve behavior is
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* used which tests each possible type for the abstract type by calling
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* isTypeOf for the object being coerced, returning the first type that matches.
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*
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* @param $value
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* @param $context
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* @param ResolveInfo $info
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* @param AbstractType $abstractType
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* @return ObjectType|null
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* @return ObjectType|Promise|null
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*/
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private static function inferTypeOf($value, $context, ResolveInfo $info, AbstractType $abstractType)
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private function defaultTypeResolver($value, $context, ResolveInfo $info, AbstractType $abstractType)
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{
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$possibleTypes = $info->schema->getPossibleTypes($abstractType);
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$promisedIsTypeOfResults = [];
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$promisedIsTypeOfResultTypes = [];
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foreach ($possibleTypes as $type) {
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if ($type->isTypeOf($value, $context, $info)) {
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$isTypeOfResult = $type->isTypeOf($value, $context, $info);
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if (null !== $isTypeOfResult) {
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if ($this->promises->isThenable($isTypeOfResult)) {
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$promisedIsTypeOfResults[] = $this->promises->convertThenable($isTypeOfResult);
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$promisedIsTypeOfResultTypes[] = $type;
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} else if ($isTypeOfResult) {
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return $type;
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}
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}
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}
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if (!empty($promisedIsTypeOfResults)) {
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return $this->promises->all($promisedIsTypeOfResults)
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->then(function($isTypeOfResults) use ($promisedIsTypeOfResultTypes) {
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foreach ($isTypeOfResults as $index => $result) {
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if ($result) {
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return $promisedIsTypeOfResultTypes[$index];
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}
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}
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return null;
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});
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}
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return null;
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}
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654
tests/Executor/AbstractPromiseTest.php
Normal file
654
tests/Executor/AbstractPromiseTest.php
Normal file
@ -0,0 +1,654 @@
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<?php
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namespace GraphQL\Tests\Executor;
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use GraphQL\Deferred;
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use GraphQL\GraphQL;
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use GraphQL\Schema;
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use GraphQL\Type\Definition\InterfaceType;
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use GraphQL\Type\Definition\ObjectType;
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use GraphQL\Type\Definition\Type;
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use GraphQL\Type\Definition\UnionType;
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require_once __DIR__ . '/TestClasses.php';
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class AbstractPromiseTest extends \PHPUnit_Framework_TestCase
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{
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// DESCRIBE: Execute: Handles execution of abstract types with promises
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/**
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* @it isTypeOf used to resolve runtime type for Interface
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*/
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public function testIsTypeOfUsedToResolveRuntimeTypeForInterface()
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{
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$PetType = new InterfaceType([
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'name' => 'Pet',
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'fields' => [
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'name' => [ 'type' => Type::string() ]
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]
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]);
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$DogType = new ObjectType([
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'name' => 'Dog',
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'interfaces' => [ $PetType ],
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'isTypeOf' => function($obj) {
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return new Deferred(function() use ($obj) {
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return $obj instanceof Dog;
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});
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},
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'fields' => [
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'name' => [ 'type' => Type::string() ],
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'woofs' => [ 'type' => Type::boolean() ],
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]
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]);
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$CatType = new ObjectType([
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'name' => 'Cat',
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'interfaces' => [ $PetType ],
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'isTypeOf' => function($obj) {
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return new Deferred(function() use ($obj) {
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return $obj instanceof Cat;
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});
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},
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'fields' => [
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'name' => [ 'type' => Type::string() ],
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'meows' => [ 'type' => Type::boolean() ],
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]
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]);
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$schema = new Schema([
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'query' => new ObjectType([
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'name' => 'Query',
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'fields' => [
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'pets' => [
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'type' => Type::listOf($PetType),
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'resolve' => function() {
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return [
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new Dog('Odie', true),
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new Cat('Garfield', false)
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];
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}
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]
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]
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]),
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'types' => [ $CatType, $DogType ]
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]);
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$query = '{
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pets {
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name
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... on Dog {
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woofs
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}
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... on Cat {
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meows
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}
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}
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}';
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$result = GraphQL::execute($schema, $query);
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$expected = [
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'data' => [
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'pets' => [
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[ 'name' => 'Odie', 'woofs' => true ],
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[ 'name' => 'Garfield', 'meows' => false ]
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]
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]
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];
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$this->assertEquals($expected, $result);
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}
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/**
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* @it isTypeOf can be rejected
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*/
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public function testIsTypeOfCanBeRejected()
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{
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$PetType = new InterfaceType([
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'name' => 'Pet',
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'fields' => [
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'name' => ['type' => Type::string()]
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]
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]);
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$DogType = new ObjectType([
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'name' => 'Dog',
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'interfaces' => [$PetType],
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'isTypeOf' => function () {
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return new Deferred(function () {
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throw new \Exception('We are testing this error');
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});
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},
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'fields' => [
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'name' => ['type' => Type::string()],
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'woofs' => ['type' => Type::boolean()],
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]
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]);
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$CatType = new ObjectType([
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'name' => 'Cat',
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'interfaces' => [$PetType],
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'isTypeOf' => function ($obj) {
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return new Deferred(function () use ($obj) {
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return $obj instanceof Cat;
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});
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},
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'fields' => [
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'name' => ['type' => Type::string()],
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'meows' => ['type' => Type::boolean()],
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]
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]);
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$schema = new Schema([
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'query' => new ObjectType([
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'name' => 'Query',
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'fields' => [
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'pets' => [
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'type' => Type::listOf($PetType),
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'resolve' => function () {
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return [
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new Dog('Odie', true),
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new Cat('Garfield', false)
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];
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}
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]
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]
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]),
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'types' => [$CatType, $DogType]
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]);
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$query = '{
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pets {
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name
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... on Dog {
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woofs
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}
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... on Cat {
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meows
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}
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}
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}';
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$result = GraphQL::execute($schema, $query);
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$expected = [
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'data' => [
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'pets' => [null, null]
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],
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'errors' => [
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[
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'message' => 'We are testing this error',
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'locations' => [['line' => 2, 'column' => 7]],
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'path' => ['pets', 0]
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],
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[
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'message' => 'We are testing this error',
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'locations' => [['line' => 2, 'column' => 7]],
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'path' => ['pets', 1]
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]
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]
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];
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$this->assertEquals($expected, $result);
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}
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/**
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* @it isTypeOf used to resolve runtime type for Union
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*/
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public function testIsTypeOfUsedToResolveRuntimeTypeForUnion()
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{
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$DogType = new ObjectType([
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'name' => 'Dog',
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'isTypeOf' => function ($obj) {
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return new Deferred(function () use ($obj) {
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return $obj instanceof Dog;
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});
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},
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'fields' => [
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'name' => ['type' => Type::string()],
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'woofs' => ['type' => Type::boolean()],
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]
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]);
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$CatType = new ObjectType([
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'name' => 'Cat',
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'isTypeOf' => function ($obj) {
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return new Deferred(function () use ($obj) {
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return $obj instanceof Cat;
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});
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},
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'fields' => [
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'name' => ['type' => Type::string()],
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'meows' => ['type' => Type::boolean()],
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]
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]);
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$PetType = new UnionType([
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'name' => 'Pet',
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'types' => [$DogType, $CatType]
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]);
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$schema = new Schema([
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'query' => new ObjectType([
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'name' => 'Query',
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'fields' => [
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'pets' => [
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'type' => Type::listOf($PetType),
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'resolve' => function () {
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return [new Dog('Odie', true), new Cat('Garfield', false)];
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}
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]
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]
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])
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]);
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$query = '{
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pets {
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... on Dog {
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name
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woofs
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}
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... on Cat {
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name
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meows
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}
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}
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}';
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$result = GraphQL::execute($schema, $query);
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$expected = [
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'data' => [
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'pets' => [
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['name' => 'Odie', 'woofs' => true],
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['name' => 'Garfield', 'meows' => false]
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]
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]
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];
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$this->assertEquals($expected, $result);
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}
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/**
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* @it resolveType on Interface yields useful error
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*/
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public function testResolveTypeOnInterfaceYieldsUsefulError()
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{
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$PetType = new InterfaceType([
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'name' => 'Pet',
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'resolveType' => function ($obj) use (&$DogType, &$CatType, &$HumanType) {
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return new Deferred(function () use ($obj, $DogType, $CatType, $HumanType) {
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if ($obj instanceof Dog) {
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return $DogType;
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}
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if ($obj instanceof Cat) {
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return $CatType;
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}
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if ($obj instanceof Human) {
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return $HumanType;
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}
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return null;
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});
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},
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'fields' => [
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'name' => ['type' => Type::string()]
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]
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]);
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$HumanType = new ObjectType([
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'name' => 'Human',
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'fields' => [
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'name' => ['type' => Type::string()],
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]
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]);
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$DogType = new ObjectType([
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'name' => 'Dog',
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'interfaces' => [$PetType],
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'fields' => [
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'name' => ['type' => Type::string()],
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'woofs' => ['type' => Type::boolean()],
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]
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]);
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$CatType = new ObjectType([
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'name' => 'Cat',
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'interfaces' => [$PetType],
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'fields' => [
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'name' => ['type' => Type::string()],
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'meows' => ['type' => Type::boolean()],
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]
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]);
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$schema = new Schema([
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'query' => new ObjectType([
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'name' => 'Query',
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'fields' => [
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'pets' => [
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'type' => Type::listOf($PetType),
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'resolve' => function () {
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return new Deferred(function () {
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return [
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new Dog('Odie', true),
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new Cat('Garfield', false),
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new Human('Jon')
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];
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});
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}
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]
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]
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]),
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'types' => [$CatType, $DogType]
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]);
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$query = '{
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pets {
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name
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... on Dog {
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woofs
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}
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... on Cat {
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meows
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}
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}
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}';
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$result = GraphQL::execute($schema, $query);
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$expected = [
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'data' => [
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'pets' => [
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['name' => 'Odie', 'woofs' => true],
|
||||
['name' => 'Garfield', 'meows' => false],
|
||||
null
|
||||
]
|
||||
],
|
||||
'errors' => [
|
||||
[
|
||||
'message' => 'Runtime Object type "Human" is not a possible type for "Pet".',
|
||||
'locations' => [['line' => 2, 'column' => 7]],
|
||||
'path' => ['pets', 2]
|
||||
],
|
||||
]
|
||||
];
|
||||
|
||||
$this->assertEquals($expected, $result);
|
||||
}
|
||||
|
||||
/**
|
||||
* @it resolveType on Union yields useful error
|
||||
*/
|
||||
public function testResolveTypeOnUnionYieldsUsefulError()
|
||||
{
|
||||
|
||||
$HumanType = new ObjectType([
|
||||
'name' => 'Human',
|
||||
'fields' => [
|
||||
'name' => ['type' => Type::string()],
|
||||
]
|
||||
]);
|
||||
|
||||
$DogType = new ObjectType([
|
||||
'name' => 'Dog',
|
||||
'fields' => [
|
||||
'name' => ['type' => Type::string()],
|
||||
'woofs' => ['type' => Type::boolean()],
|
||||
]
|
||||
]);
|
||||
|
||||
$CatType = new ObjectType([
|
||||
'name' => 'Cat',
|
||||
'fields' => [
|
||||
'name' => ['type' => Type::string()],
|
||||
'meows' => ['type' => Type::boolean()],
|
||||
]
|
||||
]);
|
||||
|
||||
$PetType = new UnionType([
|
||||
'name' => 'Pet',
|
||||
'resolveType' => function ($obj) use ($DogType, $CatType, $HumanType) {
|
||||
return new Deferred(function () use ($obj, $DogType, $CatType, $HumanType) {
|
||||
if ($obj instanceof Dog) {
|
||||
return $DogType;
|
||||
}
|
||||
if ($obj instanceof Cat) {
|
||||
return $CatType;
|
||||
}
|
||||
if ($obj instanceof Human) {
|
||||
return $HumanType;
|
||||
}
|
||||
return null;
|
||||
});
|
||||
},
|
||||
'types' => [$DogType, $CatType]
|
||||
]);
|
||||
|
||||
$schema = new Schema([
|
||||
'query' => new ObjectType([
|
||||
'name' => 'Query',
|
||||
'fields' => [
|
||||
'pets' => [
|
||||
'type' => Type::listOf($PetType),
|
||||
'resolve' => function () {
|
||||
return [
|
||||
new Dog('Odie', true),
|
||||
new Cat('Garfield', false),
|
||||
new Human('Jon')
|
||||
];
|
||||
}
|
||||
]
|
||||
]
|
||||
])
|
||||
]);
|
||||
|
||||
$query = '{
|
||||
pets {
|
||||
... on Dog {
|
||||
name
|
||||
woofs
|
||||
}
|
||||
... on Cat {
|
||||
name
|
||||
meows
|
||||
}
|
||||
}
|
||||
}';
|
||||
|
||||
$result = GraphQL::execute($schema, $query);
|
||||
|
||||
$expected = [
|
||||
'data' => [
|
||||
'pets' => [
|
||||
['name' => 'Odie', 'woofs' => true],
|
||||
['name' => 'Garfield', 'meows' => false],
|
||||
null
|
||||
]
|
||||
],
|
||||
'errors' => [
|
||||
[
|
||||
'message' => 'Runtime Object type "Human" is not a possible type for "Pet".',
|
||||
'locations' => [['line' => 2, 'column' => 7]],
|
||||
'path' => ['pets', 2]
|
||||
]
|
||||
]
|
||||
];
|
||||
|
||||
$this->assertEquals($expected, $result);
|
||||
}
|
||||
|
||||
/**
|
||||
* @it resolveType allows resolving with type name
|
||||
*/
|
||||
public function testResolveTypeAllowsResolvingWithTypeName()
|
||||
{
|
||||
$PetType = new InterfaceType([
|
||||
'name' => 'Pet',
|
||||
'resolveType' => function ($obj) {
|
||||
return new Deferred(function () use ($obj) {
|
||||
if ($obj instanceof Dog) {
|
||||
return 'Dog';
|
||||
}
|
||||
if ($obj instanceof Cat) {
|
||||
return 'Cat';
|
||||
}
|
||||
return null;
|
||||
});
|
||||
},
|
||||
'fields' => [
|
||||
'name' => ['type' => Type::string()]
|
||||
]
|
||||
]);
|
||||
|
||||
|
||||
$DogType = new ObjectType([
|
||||
'name' => 'Dog',
|
||||
'interfaces' => [$PetType],
|
||||
'fields' => [
|
||||
'name' => ['type' => Type::string()],
|
||||
'woofs' => ['type' => Type::boolean()],
|
||||
]
|
||||
]);
|
||||
|
||||
$CatType = new ObjectType([
|
||||
'name' => 'Cat',
|
||||
'interfaces' => [$PetType],
|
||||
'fields' => [
|
||||
'name' => ['type' => Type::string()],
|
||||
'meows' => ['type' => Type::boolean()],
|
||||
]
|
||||
]);
|
||||
|
||||
$schema = new Schema([
|
||||
'query' => new ObjectType([
|
||||
'name' => 'Query',
|
||||
'fields' => [
|
||||
'pets' => [
|
||||
'type' => Type::listOf($PetType),
|
||||
'resolve' => function () {
|
||||
return [
|
||||
new Dog('Odie', true),
|
||||
new Cat('Garfield', false)
|
||||
];
|
||||
}
|
||||
]
|
||||
]
|
||||
]),
|
||||
'types' => [$CatType, $DogType]
|
||||
]);
|
||||
|
||||
$query = '{
|
||||
pets {
|
||||
name
|
||||
... on Dog {
|
||||
woofs
|
||||
}
|
||||
... on Cat {
|
||||
meows
|
||||
}
|
||||
}
|
||||
}';
|
||||
|
||||
$result = GraphQL::execute($schema, $query);
|
||||
|
||||
$expected = [
|
||||
'data' => [
|
||||
'pets' => [
|
||||
['name' => 'Odie', 'woofs' => true],
|
||||
['name' => 'Garfield', 'meows' => false],
|
||||
]
|
||||
]
|
||||
];
|
||||
$this->assertEquals($expected, $result);
|
||||
}
|
||||
|
||||
/**
|
||||
* @it resolveType can be caught
|
||||
*/
|
||||
public function testResolveTypeCanBeCaught()
|
||||
{
|
||||
|
||||
$PetType = new InterfaceType([
|
||||
'name' => 'Pet',
|
||||
'resolveType' => function () {
|
||||
return new Deferred(function () {
|
||||
throw new \Exception('We are testing this error');
|
||||
});
|
||||
},
|
||||
'fields' => [
|
||||
'name' => ['type' => Type::string()]
|
||||
]
|
||||
]);
|
||||
|
||||
$DogType = new ObjectType([
|
||||
'name' => 'Dog',
|
||||
'interfaces' => [$PetType],
|
||||
'fields' => [
|
||||
'name' => ['type' => Type::string()],
|
||||
'woofs' => ['type' => Type::boolean()],
|
||||
]
|
||||
]);
|
||||
|
||||
$CatType = new ObjectType([
|
||||
'name' => 'Cat',
|
||||
'interfaces' => [$PetType],
|
||||
'fields' => [
|
||||
'name' => ['type' => Type::string()],
|
||||
'meows' => ['type' => Type::boolean()],
|
||||
]
|
||||
]);
|
||||
|
||||
$schema = new Schema([
|
||||
'query' => new ObjectType([
|
||||
'name' => 'Query',
|
||||
'fields' => [
|
||||
'pets' => [
|
||||
'type' => Type::listOf($PetType),
|
||||
'resolve' => function () {
|
||||
return [
|
||||
new Dog('Odie', true),
|
||||
new Cat('Garfield', false)
|
||||
];
|
||||
}
|
||||
]
|
||||
]
|
||||
]),
|
||||
'types' => [$CatType, $DogType]
|
||||
]);
|
||||
|
||||
$query = '{
|
||||
pets {
|
||||
name
|
||||
... on Dog {
|
||||
woofs
|
||||
}
|
||||
... on Cat {
|
||||
meows
|
||||
}
|
||||
}
|
||||
}';
|
||||
|
||||
$result = GraphQL::execute($schema, $query);
|
||||
|
||||
$expected = [
|
||||
'data' => [
|
||||
'pets' => [null, null]
|
||||
],
|
||||
'errors' => [
|
||||
[
|
||||
'message' => 'We are testing this error',
|
||||
'locations' => [['line' => 2, 'column' => 7]],
|
||||
'path' => ['pets', 0]
|
||||
],
|
||||
[
|
||||
'message' => 'We are testing this error',
|
||||
'locations' => [['line' => 2, 'column' => 7]],
|
||||
'path' => ['pets', 1]
|
||||
]
|
||||
]
|
||||
];
|
||||
|
||||
$this->assertEquals($expected, $result);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user