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Removed old experimental code

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This commit is contained in:
Vladimir Razuvaev 2018-11-03 23:25:23 +07:00
parent 6f8aed800e
commit 23169603fc
4 changed files with 0 additions and 846 deletions
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113
src/Type/EagerResolution.php
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@ -1,113 +0,0 @@
<?php
declare(strict_types=1);
namespace GraphQL\Type;
use GraphQL\Type\Definition\AbstractType;
use GraphQL\Type\Definition\InterfaceType;
use GraphQL\Type\Definition\ObjectType;
use GraphQL\Type\Definition\Type;
use GraphQL\Type\Definition\UnionType;
use GraphQL\Utils\TypeInfo;
use GraphQL\Utils\Utils;
/**
* EXPERIMENTAL!
* This class can be removed or changed in future versions without a prior notice.
*/
class EagerResolution implements Resolution
{
/** @var Type[] */
private $typeMap = [];
/** @var array<string, ObjectType[]> */
private $implementations = [];
/**
* @param Type[] $initialTypes
*/
public function __construct(array $initialTypes)
{
$typeMap = [];
foreach ($initialTypes as $type) {
$typeMap = TypeInfo::extractTypes($type, $typeMap);
}
$this->typeMap = $typeMap + Type::getInternalTypes();
// Keep track of all possible types for abstract types
foreach ($this->typeMap as $typeName => $type) {
if (! ($type instanceof ObjectType)) {
continue;
}
foreach ($type->getInterfaces() as $iface) {
$this->implementations[$iface->name][] = $type;
}
}
}
/**
* @inheritdoc
*/
public function resolveType($name)
{
return $this->typeMap[$name] ?? null;
}
/**
* @inheritdoc
*/
public function resolvePossibleTypes(AbstractType $abstractType)
{
if (! isset($this->typeMap[$abstractType->name])) {
return [];
}
if ($abstractType instanceof UnionType) {
return $abstractType->getTypes();
}
/** @var InterfaceType $abstractType */
Utils::invariant($abstractType instanceof InterfaceType);
return $this->implementations[$abstractType->name] ?? [];
}
/**
* Returns serializable schema representation suitable for GraphQL\Type\LazyResolution
*
* @return mixed[]
*/
public function getDescriptor()
{
$typeMap = [];
$possibleTypesMap = [];
foreach ($this->getTypeMap() as $type) {
if ($type instanceof UnionType) {
foreach ($type->getTypes() as $innerType) {
$possibleTypesMap[$type->name][$innerType->name] = 1;
}
} elseif ($type instanceof InterfaceType) {
foreach ($this->implementations[$type->name] as $obj) {
$possibleTypesMap[$type->name][$obj->name] = 1;
}
}
$typeMap[$type->name] = 1;
}
return [
'version' => '1.0',
'typeMap' => $typeMap,
'possibleTypeMap' => $possibleTypesMap,
];
}
/**
* @return Type[]
*/
public function getTypeMap()
{
return $this->typeMap;
}
}

115
src/Type/LazyResolution.php
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@ -1,115 +0,0 @@
<?php
declare(strict_types=1);
namespace GraphQL\Type;
use GraphQL\Error\InvariantViolation;
use GraphQL\Type\Definition\AbstractType;
use GraphQL\Type\Definition\ObjectType;
use GraphQL\Type\Definition\Type;
use GraphQL\Utils\Utils;
use function call_user_func;
use function sprintf;
/**
* EXPERIMENTAL!
* This class can be removed or changed in future versions without a prior notice.
*/
class LazyResolution implements Resolution
{
/** @var int[] */
private $typeMap;
/** @var int[][] */
private $possibleTypeMap;
/** @var callable */
private $typeLoader;
/**
* List of currently loaded types
*
* @var Type[]
*/
private $loadedTypes;
/**
* Map of $interfaceTypeName => $objectType[]
*
* @var Type[][]
*/
private $loadedPossibleTypes;
/**
* @param mixed[] $descriptor
*/
public function __construct(array $descriptor, callable $typeLoader)
{
Utils::invariant(
isset($descriptor['typeMap'], $descriptor['possibleTypeMap'], $descriptor['version'])
);
Utils::invariant(
$descriptor['version'] === '1.0'
);
$this->typeLoader = $typeLoader;
$this->typeMap = $descriptor['typeMap'] + Type::getInternalTypes();
$this->possibleTypeMap = $descriptor['possibleTypeMap'];
$this->loadedTypes = Type::getInternalTypes();
$this->loadedPossibleTypes = [];
}
/**
* @inheritdoc
*/
public function resolvePossibleTypes(AbstractType $type)
{
if (! isset($this->possibleTypeMap[$type->name])) {
return [];
}
if (! isset($this->loadedPossibleTypes[$type->name])) {
$tmp = [];
foreach ($this->possibleTypeMap[$type->name] as $typeName => $true) {
$obj = $this->resolveType($typeName);
if (! $obj instanceof ObjectType) {
throw new InvariantViolation(
sprintf(
'Lazy Type Resolution Error: Implementation %s of interface %s is expected to be instance of ObjectType, but got %s',
$typeName,
$type->name,
Utils::getVariableType($obj)
)
);
}
$tmp[] = $obj;
}
$this->loadedPossibleTypes[$type->name] = $tmp;
}
return $this->loadedPossibleTypes[$type->name];
}
/**
* @inheritdoc
*/
public function resolveType($name)
{
if (! isset($this->typeMap[$name])) {
return null;
}
if (! isset($this->loadedTypes[$name])) {
$type = call_user_func($this->typeLoader, $name);
if (! $type instanceof Type && $type !== null) {
throw new InvariantViolation(
'Lazy Type Resolution Error: Expecting GraphQL Type instance, but got ' .
Utils::getVariableType($type)
);
}
$this->loadedTypes[$name] = $type;
}
return $this->loadedTypes[$name];
}
}

34
src/Type/Resolution.php
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@ -1,34 +0,0 @@
<?php
declare(strict_types=1);
namespace GraphQL\Type;
use GraphQL\Type\Definition\AbstractType;
use GraphQL\Type\Definition\ObjectType;
use GraphQL\Type\Definition\Type;
/**
* EXPERIMENTAL!
* This interface can be removed or changed in future versions without a prior notice.
*
* Interface Resolution
*/
interface Resolution
{
/**
* Returns instance of type with given $name for GraphQL Schema
*
* @param string $name
*
* @return Type
*/
public function resolveType($name);
/**
* Returns instances of possible ObjectTypes for given InterfaceType or UnionType
*
* @return ObjectType[]
*/
public function resolvePossibleTypes(AbstractType $type);
}

584
tests/Type/ResolutionTest.php
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@ -1,584 +0,0 @@
<?php
declare(strict_types=1);
namespace GraphQL\Tests\Type;
use Exception;
use GraphQL\Error\InvariantViolation;
use GraphQL\Type\Definition\InputObjectType;
use GraphQL\Type\Definition\InterfaceType;
use GraphQL\Type\Definition\ObjectType;
use GraphQL\Type\Definition\Type;
use GraphQL\Type\Definition\UnionType;
use GraphQL\Type\EagerResolution;
use GraphQL\Type\LazyResolution;
use PHPUnit\Framework\TestCase;
use function lcfirst;
class ResolutionTest extends TestCase
{
/** @var ObjectType */
private $query;
/** @var ObjectType */
private $mutation;
/** @var InterfaceType */
private $node;
/** @var InterfaceType */
private $content;
/** @var ObjectType */
private $blogStory;
/** @var ObjectType */
private $video;
/** @var ObjectType */
private $videoMetadata;
/** @var ObjectType */
private $comment;
/** @var ObjectType */
private $user;
/** @var ObjectType */
private $category;
/** @var UnionType */
private $mention;
/** @var ObjectType */
private $postStoryMutation;
/** @var InputObjectType */
private $postStoryMutationInput;
/** @var ObjectType */
private $postCommentMutation;
/** @var InputObjectType */
private $postCommentMutationInput;
public function setUp()
{
$this->node = new InterfaceType([
'name' => 'Node',
'fields' => [
'id' => Type::string(),
],
]);
$this->content = new InterfaceType([
'name' => 'Content',
'fields' => function () {
return [
'title' => Type::string(),
'body' => Type::string(),
'author' => $this->user,
'comments' => Type::listOf($this->comment),
'categories' => Type::listOf($this->category),
];
},
]);
$this->blogStory = new ObjectType([
'name' => 'BlogStory',
'interfaces' => [
$this->node,
$this->content,
],
'fields' => function () {
return [
$this->node->getField('id'),
$this->content->getField('title'),
$this->content->getField('body'),
$this->content->getField('author'),
$this->content->getField('comments'),
$this->content->getField('categories'),
];
},
]);
new ObjectType([
'name' => 'Link',
'interfaces' => [
$this->node,
$this->content,
],
'fields' => function () {
return [
'id' => $this->node->getField('id'),
'title' => $this->content->getField('title'),
'body' => $this->content->getField('body'),
'author' => $this->content->getField('author'),
'comments' => $this->content->getField('comments'),
'categories' => $this->content->getField('categories'),
'url' => Type::string(),
];
},
]);
$this->videoMetadata = new ObjectType([
'name' => 'VideoMetadata',
'fields' => [
'lat' => Type::float(),
'lng' => Type::float(),
],
]);
$this->video = new ObjectType([
'name' => 'Video',
'interfaces' => [
$this->node,
$this->content,
],
'fields' => function () {
return [
'id' => $this->node->getField('id'),
'title' => $this->content->getField('title'),
'body' => $this->content->getField('body'),
'author' => $this->content->getField('author'),
'comments' => $this->content->getField('comments'),
'categories' => $this->content->getField('categories'),
'streamUrl' => Type::string(),
'downloadUrl' => Type::string(),
'metadata' => $this->videoMetadata,
];
},
]);
$this->comment = new ObjectType([
'name' => 'Comment',
'interfaces' => [
$this->node,
],
'fields' => function () {
return [
'id' => $this->node->getField('id'),
'author' => $this->user,
'text' => Type::string(),
'replies' => Type::listOf($this->comment),
'parent' => $this->comment,
'content' => $this->content,
];
},
]);
$this->user = new ObjectType([
'name' => 'User',
'interfaces' => [
$this->node,
],
'fields' => function () {
return [
'id' => $this->node->getField('id'),
'name' => Type::string(),
];
},
]);
$this->category = new ObjectType([
'name' => 'Category',
'interfaces' => [
$this->node,
],
'fields' => function () {
return [
'id' => $this->node->getField('id'),
'name' => Type::string(),
];
},
]);
$this->mention = new UnionType([
'name' => 'Mention',
'types' => [
$this->user,
$this->category,
],
]);
$this->query = new ObjectType([
'name' => 'Query',
'fields' => [
'viewer' => $this->user,
'latestContent' => $this->content,
'node' => $this->node,
'mentions' => Type::listOf($this->mention),
],
]);
$this->postStoryMutationInput = new InputObjectType([
'name' => 'PostStoryMutationInput',
'fields' => [
'title' => Type::string(),
'body' => Type::string(),
'author' => Type::id(),
'category' => Type::id(),
],
]);
$this->mutation = new ObjectType([
'name' => 'Mutation',
'fields' => [
'postStory' => [
'type' => $this->postStoryMutation = new ObjectType([
'name' => 'PostStoryMutation',
'fields' => [
'story' => $this->blogStory,
],
]),
'args' => [
'input' => Type::nonNull($this->postStoryMutationInput),
'clientRequestId' => Type::string(),
],
],
'postComment' => [
'type' => $this->postCommentMutation = new ObjectType([
'name' => 'PostCommentMutation',
'fields' => [
'comment' => $this->comment,
],
]),
'args' => [
'input' => Type::nonNull($this->postCommentMutationInput = new InputObjectType([
'name' => 'PostCommentMutationInput',
'fields' => [
'text' => Type::nonNull(Type::string()),
'author' => Type::nonNull(Type::id()),
'content' => Type::id(),
'parent' => Type::id(),
],
])),
'clientRequestId' => Type::string(),
],
],
],
]);
}
public function testEagerTypeResolution() : void
{
// Has internal types by default:
$eagerTypeResolution = new EagerResolution([]);
$expectedTypeMap = [
'ID' => Type::id(),
'String' => Type::string(),
'Float' => Type::float(),
'Int' => Type::int(),
'Boolean' => Type::boolean(),
];
self::assertEquals($expectedTypeMap, $eagerTypeResolution->getTypeMap());
$expectedDescriptor = [
'version' => '1.0',
'typeMap' => [
'ID' => 1,
'String' => 1,
'Float' => 1,
'Int' => 1,
'Boolean' => 1,
],
'possibleTypeMap' => [],
];
self::assertEquals($expectedDescriptor, $eagerTypeResolution->getDescriptor());
self::assertNull($eagerTypeResolution->resolveType('User'));
self::assertSame([], $eagerTypeResolution->resolvePossibleTypes($this->node));
self::assertSame([], $eagerTypeResolution->resolvePossibleTypes($this->content));
self::assertSame([], $eagerTypeResolution->resolvePossibleTypes($this->mention));
$eagerTypeResolution = new EagerResolution([$this->query, $this->mutation]);
self::assertSame($this->query, $eagerTypeResolution->resolveType('Query'));
self::assertSame($this->mutation, $eagerTypeResolution->resolveType('Mutation'));
self::assertSame($this->user, $eagerTypeResolution->resolveType('User'));
self::assertSame($this->node, $eagerTypeResolution->resolveType('Node'));
self::assertSame($this->node, $eagerTypeResolution->resolveType('Node'));
self::assertSame($this->content, $eagerTypeResolution->resolveType('Content'));
self::assertSame($this->comment, $eagerTypeResolution->resolveType('Comment'));
self::assertSame($this->mention, $eagerTypeResolution->resolveType('Mention'));
self::assertSame($this->blogStory, $eagerTypeResolution->resolveType('BlogStory'));
self::assertSame($this->category, $eagerTypeResolution->resolveType('Category'));
self::assertSame($this->postStoryMutation, $eagerTypeResolution->resolveType('PostStoryMutation'));
self::assertSame($this->postStoryMutationInput, $eagerTypeResolution->resolveType('PostStoryMutationInput'));
self::assertSame($this->postCommentMutation, $eagerTypeResolution->resolveType('PostCommentMutation'));
self::assertSame(
$this->postCommentMutationInput,
$eagerTypeResolution->resolveType('PostCommentMutationInput')
);
self::assertEquals([$this->blogStory], $eagerTypeResolution->resolvePossibleTypes($this->content));
self::assertEquals(
[$this->user, $this->comment, $this->category, $this->blogStory],
$eagerTypeResolution->resolvePossibleTypes($this->node)
);
self::assertEquals([$this->user, $this->category], $eagerTypeResolution->resolvePossibleTypes($this->mention));
$expectedTypeMap = [
'Query' => $this->query,
'Mutation' => $this->mutation,
'User' => $this->user,
'Node' => $this->node,
'String' => Type::string(),
'Content' => $this->content,
'Comment' => $this->comment,
'Mention' => $this->mention,
'BlogStory' => $this->blogStory,
'Category' => $this->category,
'PostStoryMutationInput' => $this->postStoryMutationInput,
'ID' => Type::id(),
'PostStoryMutation' => $this->postStoryMutation,
'PostCommentMutationInput' => $this->postCommentMutationInput,
'PostCommentMutation' => $this->postCommentMutation,
'Float' => Type::float(),
'Int' => Type::int(),
'Boolean' => Type::boolean(),
];
self::assertEquals($expectedTypeMap, $eagerTypeResolution->getTypeMap());
$expectedDescriptor = [
'version' => '1.0',
'typeMap' => [
'Query' => 1,
'Mutation' => 1,
'User' => 1,
'Node' => 1,
'String' => 1,
'Content' => 1,
'Comment' => 1,
'Mention' => 1,
'BlogStory' => 1,
'Category' => 1,
'PostStoryMutationInput' => 1,
'ID' => 1,
'PostStoryMutation' => 1,
'PostCommentMutationInput' => 1,
'PostCommentMutation' => 1,
'Float' => 1,
'Int' => 1,
'Boolean' => 1,
],
'possibleTypeMap' => [
'Node' => [
'User' => 1,
'Comment' => 1,
'Category' => 1,
'BlogStory' => 1,
],
'Content' => ['BlogStory' => 1],
'Mention' => [
'User' => 1,
'Category' => 1,
],
],
];
self::assertEquals($expectedDescriptor, $eagerTypeResolution->getDescriptor());
// Ignores duplicates and nulls in initialTypes:
$eagerTypeResolution = new EagerResolution([null, $this->query, null, $this->query, $this->mutation, null]);
self::assertEquals($expectedTypeMap, $eagerTypeResolution->getTypeMap());
self::assertEquals($expectedDescriptor, $eagerTypeResolution->getDescriptor());
// Those types are only part of interface
self::assertEquals(null, $eagerTypeResolution->resolveType('Link'));
self::assertEquals(null, $eagerTypeResolution->resolveType('Video'));
self::assertEquals(null, $eagerTypeResolution->resolveType('VideoMetadata'));
self::assertEquals([$this->blogStory], $eagerTypeResolution->resolvePossibleTypes($this->content));
self::assertEquals(
[$this->user, $this->comment, $this->category, $this->blogStory],
$eagerTypeResolution->resolvePossibleTypes($this->node)
);
self::assertEquals([$this->user, $this->category], $eagerTypeResolution->resolvePossibleTypes($this->mention));
$eagerTypeResolution = new EagerResolution([null, $this->video, null]);
self::assertEquals($this->videoMetadata, $eagerTypeResolution->resolveType('VideoMetadata'));
self::assertEquals($this->video, $eagerTypeResolution->resolveType('Video'));
self::assertEquals([$this->video], $eagerTypeResolution->resolvePossibleTypes($this->content));
self::assertEquals(
[$this->video, $this->user, $this->comment, $this->category],
$eagerTypeResolution->resolvePossibleTypes($this->node)
);
self::assertEquals([], $eagerTypeResolution->resolvePossibleTypes($this->mention));
$expectedTypeMap = [
'Video' => $this->video,
'Node' => $this->node,
'String' => Type::string(),
'Content' => $this->content,
'User' => $this->user,
'Comment' => $this->comment,
'Category' => $this->category,
'VideoMetadata' => $this->videoMetadata,
'Float' => Type::float(),
'ID' => Type::id(),
'Int' => Type::int(),
'Boolean' => Type::boolean(),
];
self::assertEquals($expectedTypeMap, $eagerTypeResolution->getTypeMap());
$expectedDescriptor = [
'version' => '1.0',
'typeMap' => [
'Video' => 1,
'Node' => 1,
'String' => 1,
'Content' => 1,
'User' => 1,
'Comment' => 1,
'Category' => 1,
'VideoMetadata' => 1,
'Float' => 1,
'ID' => 1,
'Int' => 1,
'Boolean' => 1,
],
'possibleTypeMap' => [
'Node' => [
'Video' => 1,
'User' => 1,
'Comment' => 1,
'Category' => 1,
],
'Content' => ['Video' => 1],
],
];
self::assertEquals($expectedDescriptor, $eagerTypeResolution->getDescriptor());
}
public function testLazyResolutionFollowsEagerResolution() : void
{
// Lazy resolution should work the same way as eager resolution works, except that it should load types on demand
$eager = new EagerResolution([]);
$emptyDescriptor = $eager->getDescriptor();
$typeLoader = static function () {
throw new Exception('This should be never called for empty descriptor');
};
$lazy = new LazyResolution($emptyDescriptor, $typeLoader);
self::assertSame($eager->resolveType('User'), $lazy->resolveType('User'));
self::assertSame($eager->resolvePossibleTypes($this->node), $lazy->resolvePossibleTypes($this->node));
self::assertSame($eager->resolvePossibleTypes($this->content), $lazy->resolvePossibleTypes($this->content));
self::assertSame($eager->resolvePossibleTypes($this->mention), $lazy->resolvePossibleTypes($this->mention));
$eager = new EagerResolution([$this->query, $this->mutation]);
$called = 0;
$descriptor = $eager->getDescriptor();
$typeLoader = function ($name) use (&$called) {
$called++;
$prop = lcfirst($name);
return $this->{$prop};
};
$lazy = new LazyResolution($descriptor, $typeLoader);
self::assertSame($eager->resolveType('Query'), $lazy->resolveType('Query'));
self::assertSame(1, $called);
self::assertSame($eager->resolveType('Mutation'), $lazy->resolveType('Mutation'));
self::assertSame(2, $called);
self::assertSame($eager->resolveType('User'), $lazy->resolveType('User'));
self::assertSame(3, $called);
self::assertSame($eager->resolveType('User'), $lazy->resolveType('User'));
self::assertSame(3, $called);
self::assertSame($eager->resolveType('Node'), $lazy->resolveType('Node'));
self::assertSame($eager->resolveType('Node'), $lazy->resolveType('Node'));
self::assertSame(4, $called);
self::assertSame($eager->resolveType('Content'), $lazy->resolveType('Content'));
self::assertSame($eager->resolveType('Comment'), $lazy->resolveType('Comment'));
self::assertSame($eager->resolveType('Mention'), $lazy->resolveType('Mention'));
self::assertSame($eager->resolveType('BlogStory'), $lazy->resolveType('BlogStory'));
self::assertSame($eager->resolveType('Category'), $lazy->resolveType('Category'));
self::assertSame($eager->resolveType('PostStoryMutation'), $lazy->resolveType('PostStoryMutation'));
self::assertSame($eager->resolveType('PostStoryMutationInput'), $lazy->resolveType('PostStoryMutationInput'));
self::assertSame($eager->resolveType('PostCommentMutation'), $lazy->resolveType('PostCommentMutation'));
self::assertSame(
$eager->resolveType('PostCommentMutationInput'),
$lazy->resolveType('PostCommentMutationInput')
);
self::assertSame(13, $called);
self::assertEquals($eager->resolvePossibleTypes($this->content), $lazy->resolvePossibleTypes($this->content));
self::assertEquals($eager->resolvePossibleTypes($this->node), $lazy->resolvePossibleTypes($this->node));
self::assertEquals($eager->resolvePossibleTypes($this->mention), $lazy->resolvePossibleTypes($this->mention));
$called = 0;
$eager = new EagerResolution([$this->video]);
$lazy = new LazyResolution($eager->getDescriptor(), $typeLoader);
self::assertEquals($eager->resolveType('VideoMetadata'), $lazy->resolveType('VideoMetadata'));
self::assertEquals($eager->resolveType('Video'), $lazy->resolveType('Video'));
self::assertEquals(2, $called);
self::assertEquals($eager->resolvePossibleTypes($this->content), $lazy->resolvePossibleTypes($this->content));
self::assertEquals($eager->resolvePossibleTypes($this->node), $lazy->resolvePossibleTypes($this->node));
self::assertEquals($eager->resolvePossibleTypes($this->mention), $lazy->resolvePossibleTypes($this->mention));
}
public function testLazyThrowsOnInvalidLoadedType() : void
{
$lazy = $this->createLazy();
$this->expectException(InvariantViolation::class);
$this->expectExceptionMessage('Lazy Type Resolution Error: Expecting GraphQL Type instance, but got integer');
$lazy->resolveType('int');
}
private function createLazy()
{
$descriptor = [
'version' => '1.0',
'typeMap' => [
'null' => 1,
'int' => 1,
],
'possibleTypeMap' => [
'a' => ['null' => 1],
'b' => ['int' => 1],
],
];
$invalidTypeLoader = static function ($name) {
switch ($name) {
case 'null':
return null;
case 'int':
return 7;
}
};
$lazy = new LazyResolution($descriptor, $invalidTypeLoader);
$value = $lazy->resolveType('null');
self::assertEquals(null, $value);
return $lazy;
}
public function testLazyThrowsOnInvalidLoadedPossibleType() : void
{
$tmp = new InterfaceType(['name' => 'a', 'fields' => []]);
$lazy = $this->createLazy();
$this->expectException(InvariantViolation::class);
$this->expectExceptionMessage('Lazy Type Resolution Error: Implementation null of interface a is expected to be instance of ObjectType, but got NULL');
$lazy->resolvePossibleTypes($tmp);
}
public function testLazyThrowsOnInvalidLoadedPossibleTypeWithInteger() : void
{
$tmp = new InterfaceType(['name' => 'b', 'fields' => []]);
$lazy = $this->createLazy();
$this->expectException(InvariantViolation::class);
$this->expectExceptionMessage('Lazy Type Resolution Error: Expecting GraphQL Type instance, but got integer');
$lazy->resolvePossibleTypes($tmp);
}
}