Use phpstan/phpstan-phpunit

Tests/Contract/AssistantMessageNormalizerTest.php

@@ -38,6 +38,9 @@ final class AssistantMessageNormalizerTest extends TestCase
         $this->assertSame([AssistantMessage::class => true], $normalizer->getSupportedTypes(null));
     }
 
+    /**
+     * @param array{role: 'assistant', content: string|list<array{type: 'tool_use', id: string, name: string, input: array<string, mixed>|\stdClass}>} $expectedOutput
+     */
     #[DataProvider('normalizeDataProvider')]
     public function testNormalize(AssistantMessage $message, array $expectedOutput)
     {

composer.json

@@ -31,6 +31,7 @@
     },
     "require-dev": {
         "phpstan/phpstan": "^2.1",
+        "phpstan/phpstan-phpunit": "^2.0",
         "phpstan/phpstan-strict-rules": "^2.0",
         "phpunit/phpunit": "^11.5.46"
     },

phpstan.dist.neon

@@ -1,4 +1,5 @@
 includes:
+    - vendor/phpstan/phpstan-phpunit/extension.neon
     - ../../../../../.phpstan/extension.neon
 
 parameters:
@@ -14,10 +15,15 @@ parameters:
             message: "#^Method .*::test.*\\(\\) has no return type specified\\.$#"
             reportUnmatched: false
         -
-            identifier: missingType.iterableValue
-            path: Tests/*
+            message: '#^Call to( static)? method PHPUnit\\Framework\\Assert::.* will always evaluate to true\.$#'
             reportUnmatched: false
         -
             identifier: 'symfonyAi.forbidNativeException'
             path: Tests/*
             reportUnmatched: false
+
+services:
+    - # Conditionally enabled by bleeding edge in phpstan/phpstan-phpunit 2.x
+        class: PHPStan\Type\PHPUnit\DataProviderReturnTypeIgnoreExtension
+        tags:
+            - phpstan.ignoreErrorExtension