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Internal error when a model has a legacy factory via legacy factories package and a regular factory #1810

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jamiewood678 opened this issue Jan 3, 2024 · 2 comments · May be fixed by #1922
Open

Internal error when a model has a legacy factory via legacy factories package and a regular factory #1810

jamiewood678 opened this issue Jan 3, 2024 · 2 comments · May be fixed by #1922

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@jamiewood678
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jamiewood678 commented Jan 3, 2024 •
edited

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Other Notes

  • Using PHPStan bleeding edge

Description

When Laravel code calls the factory static function provided by the Illuminate\Database\Eloquent\Factories\HasFactory trait on a model an internal error is thrown.

This circumstance only happens when a model has both a legacy factory and a new factory. This can arise when legacy codebases that started on older versions of Laravel as the laravel/legacy-factories were introduced to help migrate codebases that referenced deprecated factories in a large volume of locations.

Steps to reproduce

The PR/repository provided above contains a code base that can be used to create the issue

Here are the code steps to reproduce the bug. Assuming you already have a codebase installed with Laravel + Larastan

  • Install laravel/legacy-factories
  • Create a new model
  • Create a legacy factory for the model
  • Create a regular factory for the model
  • Add the Illuminate\Database\Eloquent\Factories\HasFactory trait to the model
  • Create a static function in the model called newFactory which returns the newly created regular factory
  • Call the static function factory on the model in another PHP file which will be analysed by phpstan
  • Run phpstan

Laravel code where the issue was found

<?php

declare(strict_types=1);

namespace Database\Factories\User;

use App\Models\Post;
use App\User;
use Illuminate\Database\Eloquent\Factories\Factory;
use Illuminate\Support\Str;

class PostFactory extends Factory
{
    protected $models = Post::class;

    public function definition(): array
    {
        return [
            'user_id' => User::factory(), # If this line is commented out, then phpstan will not error.
        ];
    }
}

Internal Error Thrown

Internal error: Internal error: Call to a member function define() on null while analysing file /workspaces/larastan-legacy-factories-exception/database/factories/PostFactory.php                                
                                                                                                                                                                                                                       
     Post the following stack trace to https://github.com/phpstan/phpstan/issues/new?template=Bug_report.yaml:                                                                                                         
     ## /workspaces/larastan-legacy-factories-exception/database/factories/UserFactory.php(18)                                                                                                                         
     #0 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/composer/ClassLoader.php(576): include()                                                                     
     #1 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/workspaces/lar...')                             
     #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('Database\\Factor...')                                                                                                                           
     #3 /workspaces/larastan-legacy-factories-exception/vendor/larastan/larastan/src/ReturnTypes/ModelFactoryDynamicStaticMethodReturnTypeExtension.php(72): class_exists('Database\\Factor...')                       
     #4 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(3597):                                                                               
     Larastan\Larastan\ReturnTypes\ModelFactoryDynamicStaticMethodReturnTypeExtension->getTypeFromStaticMethodCall(Object(PHPStan\Reflection\ResolvedMethodReflection), Object(PhpParser\Node\Expr\StaticCall),        
     Object(PHPStan\Analyser\MutatingScope))                                                                                                                                                                           
     #5 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(1446):                                                                               
     PHPStan\Analyser\MutatingScope->methodCallReturnType(Object(PHPStan\Type\ObjectType), 'factory', Object(PhpParser\Node\Expr\StaticCall))                                                                          
     #6 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(1452): PHPStan\Analyser\MutatingScope->PHPStan\Analyser\{closure}()                  
     #7 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(575): PHPStan\Analyser\MutatingScope->resolveType('\\App\\User::fact...',            
     Object(PhpParser\Node\Expr\StaticCall))                                                                                                                                                                           
     #8 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(1146):                                                                               
     PHPStan\Analyser\MutatingScope->getType(Object(PhpParser\Node\Expr\StaticCall))                                                                                                                                   
     #9 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/InitializerExprTypeResolver.php(454):                                                                
     PHPStan\Analyser\MutatingScope->PHPStan\Analyser\{closure}(Object(PhpParser\Node\Expr\StaticCall))                                                                                                                
     #10 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(1145):                                                                              
     PHPStan\Reflection\InitializerExprTypeResolver->getArrayType(Object(PhpParser\Node\Expr\Array_), Object(Closure))                                                                                                 
     #11 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(575): PHPStan\Analyser\MutatingScope->resolveType('['user_id' => \\...',            
     Object(PhpParser\Node\Expr\Array_))                                                                                                                                                                               
     #12 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Rules/FunctionReturnTypeCheck.php(52):                                                                         
     PHPStan\Analyser\MutatingScope->getType(Object(PhpParser\Node\Expr\Array_))                                                                                                                                       
     #13 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Rules/Methods/ReturnTypeRule.php(43):                                                                          
     PHPStan\Rules\FunctionReturnTypeCheck->checkReturnType(Object(PHPStan\Analyser\MutatingScope), Object(PHPStan\Type\ArrayType), Object(PhpParser\Node\Expr\Array_), Object(PhpParser\Node\Stmt\Return_), 'Method   
     Database...', 'Method Database...', 'Method Database...', 'Method Database...', false)                                                                                                                            
     #14 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/FileAnalyser.php(107):                                                                                
     PHPStan\Rules\Methods\ReturnTypeRule->processNode(Object(PhpParser\Node\Stmt\Return_), Object(PHPStan\Analyser\MutatingScope))                                                                                    
     #15 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Node/ClassStatementsGatherer.php(108):                                                                         
     PHPStan\Analyser\FileAnalyser->PHPStan\Analyser\{closure}(Object(PhpParser\Node\Stmt\Return_), Object(PHPStan\Analyser\MutatingScope))                                                                            
     #16 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(568):                                                                           
     PHPStan\Node\ClassStatementsGatherer->__invoke(Object(PhpParser\Node\Stmt\Return_), Object(PHPStan\Analyser\MutatingScope))                                                                                       
     #17 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(459):                                                                           
     PHPStan\Analyser\NodeScopeResolver::PHPStan\Analyser\{closure}(Object(PhpParser\Node\Stmt\Return_), Object(PHPStan\Analyser\MutatingScope))                                                                       
     #18 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(402):                                                                           
     PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\Return_), Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))                      
     #19 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(567):                                                                           
     PHPStan\Analyser\NodeScopeResolver->processStmtNodes(Object(PhpParser\Node\Stmt\ClassMethod), Array, Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))          
     #20 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(402):                                                                           
     PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\ClassMethod), Object(PHPStan\Analyser\MutatingScope), Object(PHPStan\Node\ClassStatementsGatherer),                                
     Object(PHPStan\Analyser\StatementContext))                                                                                                                                                                        
     #21 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(669):                                                                           
     PHPStan\Analyser\NodeScopeResolver->processStmtNodes(Object(PhpParser\Node\Stmt\Class_), Array, Object(PHPStan\Analyser\MutatingScope), Object(PHPStan\Node\ClassStatementsGatherer),                             
     Object(PHPStan\Analyser\StatementContext))                                                                                                                                                                        
     #22 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(402):                                                                           
     PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\Class_), Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))                       
     #23 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(641):                                                                           
     PHPStan\Analyser\NodeScopeResolver->processStmtNodes(Object(PhpParser\Node\Stmt\Namespace_), Array, Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))           
     #24 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(371):                                                                           
     PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\Namespace_), Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))                   
     #25 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/FileAnalyser.php(166): PHPStan\Analyser\NodeScopeResolver->processNodes(Array,                        
     Object(PHPStan\Analyser\MutatingScope), Object(Closure))                                                                                                                                                          
     #26 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Command/WorkerCommand.php(132): PHPStan\Analyser\FileAnalyser->analyseFile('/workspaces/lar...', Array,        
     Object(PHPStan\Rules\LazyRegistry), Object(PHPStan\Collectors\Registry), NULL)                                                                                                                                    
     #27 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/evenement/evenement/src/Evenement/EventEmitterTrait.php(97):                                                
     PHPStan\Command\WorkerCommand->PHPStan\Command\{closure}(Array)                                                                                                                                                   
     #28 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/clue/ndjson-react/src/Decoder.php(117): _PHPStan_39fe102d2\Evenement\EventEmitter->emit('data', Array)      
     #29 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/evenement/evenement/src/Evenement/EventEmitterTrait.php(97):                                                
     _PHPStan_39fe102d2\Clue\React\NDJson\Decoder->handleData(Array)                                                                                                                                                   
     #30 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/react/stream/src/Util.php(62): _PHPStan_39fe102d2\Evenement\EventEmitter->emit('data', Array)               
     #31 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/evenement/evenement/src/Evenement/EventEmitterTrait.php(97):                                                
     _PHPStan_39fe102d2\React\Stream\Util::_PHPStan_39fe102d2\React\Stream\{closure}('{"action":"anal...')                                                                                                             
     #32 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/react/stream/src/DuplexResourceStream.php(154): _PHPStan_39fe102d2\Evenement\EventEmitter->emit('data',     
     Array)                                                                                                                                                                                                            
     #33 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/react/event-loop/src/StreamSelectLoop.php(201):                                                             
     _PHPStan_39fe102d2\React\Stream\DuplexResourceStream->handleData(Resource id #4522)                                                                                                                               
     #34 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/react/event-loop/src/StreamSelectLoop.php(173):                                                             
     _PHPStan_39fe102d2\React\EventLoop\StreamSelectLoop->waitForStreamActivity(NULL)                                                                                                                                  
     #35 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/src/Command/WorkerCommand.php(98): _PHPStan_39fe102d2\React\EventLoop\StreamSelectLoop->run()                      
     #36 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Command/Command.php(259):                                                                   
     PHPStan\Command\WorkerCommand->execute(Object(_PHPStan_39fe102d2\Symfony\Component\Console\Input\ArgvInput), Object(_PHPStan_39fe102d2\Symfony\Component\Console\Output\ConsoleOutput))                           
     #37 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Application.php(870):                                                                       
     _PHPStan_39fe102d2\Symfony\Component\Console\Command\Command->run(Object(_PHPStan_39fe102d2\Symfony\Component\Console\Input\ArgvInput),                                                                           
     Object(_PHPStan_39fe102d2\Symfony\Component\Console\Output\ConsoleOutput))                                                                                                                                        
     #38 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Application.php(261):                                                                       
     _PHPStan_39fe102d2\Symfony\Component\Console\Application->doRunCommand(Object(PHPStan\Command\WorkerCommand), Object(_PHPStan_39fe102d2\Symfony\Component\Console\Input\ArgvInput),                               
     Object(_PHPStan_39fe102d2\Symfony\Component\Console\Output\ConsoleOutput))                                                                                                                                        
     #39 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Application.php(157):                                                                       
     _PHPStan_39fe102d2\Symfony\Component\Console\Application->doRun(Object(_PHPStan_39fe102d2\Symfony\Component\Console\Input\ArgvInput), Object(_PHPStan_39fe102d2\Symfony\Component\Console\Output\ConsoleOutput))  
     #40 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/bin/phpstan(124): _PHPStan_39fe102d2\Symfony\Component\Console\Application->run()                                  
     #41 phar:///workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan.phar/bin/phpstan(125): _PHPStan_39fe102d2\{closure}()                                                                   
     #42 /workspaces/larastan-legacy-factories-exception/vendor/phpstan/phpstan/phpstan(8): require('phar:///workspa...')                                                                                              
     #43 /workspaces/larastan-legacy-factories-exception/vendor/bin/phpstan(119): include('/workspaces/lar...')                                                                                                        
     #44 {main}                                                                                                                                                                                                        
     Child process error (exit code 1):
@calebdw
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calebdw commented Apr 17, 2024 •
edited

The issue here likely stems from the fact that the laravel/legacy-factories package overrides the Illuminate\Database\Eloquent\Factory class with a custom implementation.

Edit: I missed that the new factory is now Illuminate\Database\Eloquent\Factories\Factory so that shouldn't matter

@calebdw
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calebdw commented Apr 17, 2024

Ah, I found the issue---Larastan does not actually take into account the newFactory method and only looks for factories that match the expected pattern:

larastan/src/ReturnTypes/ModelFactoryDynamicStaticMethodReturnTypeExtension.php

Line 71 in 92376b5

$factoryName = Factory::resolveFactoryName(ltrim($class->toCodeString(), '\\')); // @phpstan-ignore-line

@calebdw calebdw linked a pull request Apr 17, 2024 that will close this issue
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feat: support newFactory method when resolving factory calebdw/larastan
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@calebdw @jamiewood678