Add compiler pass tests

Tests/DependencyInjection/Compiler/CacheCompatibilityPassTest.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Bundle\MongoDBBundle\Tests\DependencyInjection\Compiler;
+
+use Doctrine\Bundle\MongoDBBundle\Tests\DependencyInjection\Fixtures\TestKernel;
+use Doctrine\Common\Cache\Psr6\DoctrineProvider;
+use PHPUnit\Framework\TestCase;
+use Symfony\Bridge\PhpUnit\ExpectDeprecationTrait;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
+use Symfony\Component\Config\Loader\LoaderInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+
+class CacheCompatibilityPassTest extends TestCase
+{
+    use ExpectDeprecationTrait;
+
+    /**
+     * @group legacy
+     * @doesNotPerformAssertions
+     */
+    public function testMetadataCacheConfigUsingPsr6ServiceDefinedByApplication(): void
+    {
+        (new class (false) extends TestKernel {
+            public function registerContainerConfiguration(LoaderInterface $loader): void
+            {
+                parent::registerContainerConfiguration($loader);
+                $loader->load(static function (ContainerBuilder $containerBuilder): void {
+                    $containerBuilder->loadFromExtension(
+                        'doctrine_mongodb',
+                        ['document_managers' => ['default' => ['metadata_cache_driver' => ['type' => 'service', 'id' => 'custom_cache_service']]]]
+                    );
+                    $containerBuilder->setDefinition(
+                        'custom_cache_service',
+                        new Definition(ArrayAdapter::class)
+                    );
+                });
+            }
+        })->boot();
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testMetadataCacheConfigUsingNonPsr6ServiceDefinedByApplication(): void
+    {
+        $this->expectDeprecation('Since doctrine/mongodb-odm-bundle 4.4: Configuring doctrine/cache is deprecated. Please update the cache service "custom_cache_service" to use a PSR-6 cache.');
+        (new class (false) extends TestKernel {
+            public function registerContainerConfiguration(LoaderInterface $loader): void
+            {
+                parent::registerContainerConfiguration($loader);
+                $loader->load(static function (ContainerBuilder $containerBuilder): void {
+                    $containerBuilder->loadFromExtension(
+                        'doctrine_mongodb',
+                        ['document_managers' => ['default' => ['metadata_cache_driver' => ['type' => 'service', 'id' => 'custom_cache_service']]]]
+                    );
+                    $containerBuilder->setDefinition(
+                        'custom_cache_service',
+                        (new Definition(DoctrineProvider::class))
+                            ->setArguments([new Definition(ArrayAdapter::class)])
+                            ->setFactory([DoctrineProvider::class, 'wrap'])
+                    );
+                });
+            }
+        })->boot();
+    }
+}

Tests/DependencyInjection/Fixtures/TestKernel.php

@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Bundle\MongoDBBundle\Tests\DependencyInjection\Fixtures;
+
+use Doctrine\Bundle\MongoDBBundle\DoctrineMongoDBBundle;
+use Psr\Log\NullLogger;
+use Symfony\Bundle\FrameworkBundle\FrameworkBundle;
+use Symfony\Component\Config\Loader\LoaderInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+use Symfony\Component\HttpKernel\Kernel;
+
+use function md5;
+use function mt_rand;
+use function sys_get_temp_dir;
+
+class TestKernel extends Kernel
+{
+    /** @var string|null */
+    private $projectDir;
+
+    public function __construct(bool $debug = true)
+    {
+        parent::__construct('test', $debug);
+    }
+
+    /** @return iterable<Bundle> */
+    public function registerBundles(): iterable
+    {
+        return [
+            new FrameworkBundle(),
+            new DoctrineMongoDBBundle(),
+        ];
+    }
+
+    public function registerContainerConfiguration(LoaderInterface $loader): void
+    {
+        $loader->load(static function (ContainerBuilder $container): void {
+            $container->loadFromExtension('framework', ['secret' => 'F00']);
+
+            $container->loadFromExtension('doctrine_mongodb', [
+                'connections' => ['default' => []],
+                'document_managers' => [
+                    'default' => [
+                        'mappings' => [
+                            'RepositoryServiceBundle' => [
+                                'type' => 'annotation',
+                                'dir' => __DIR__ . '/Bundles/RepositoryServiceBundle/Document',
+                                'prefix' => 'Fixtures\Bundles\RepositoryServiceBundle\Document',
+                            ],
+                        ],
+                    ],
+                ],
+            ]);
+
+            // Register a NullLogger to avoid getting the stderr default logger of FrameworkBundle
+            $container->register('logger', NullLogger::class);
+        });
+    }
+
+    public function getProjectDir(): string
+    {
+        if ($this->projectDir === null) {
+            $this->projectDir = sys_get_temp_dir() . '/sf_kernel_' . md5((string) mt_rand());
+        }
+
+        return $this->projectDir;
+    }
+
+    public function getRootDir(): string
+    {
+        return $this->getProjectDir();
+    }
+}