feat: allow upgrading single resource

src/Core/Bridge/Symfony/Bundle/Command/UpgradeApiResourceCommand.php

@@ -35,6 +35,7 @@
 use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -77,7 +78,8 @@ protected function configure()
 This will remove "ApiPlatform\Core\Annotation\ApiResource" annotation/attribute and use the "ApiPlatform\Metadata\ApiResource" attribute instead.')
             ->addOption('dry-run', '-d', InputOption::VALUE_OPTIONAL, 'Dry mode outputs a diff instead of writing files.', true)
             ->addOption('silent', '-s', InputOption::VALUE_NONE, 'Silent output.')
-            ->addOption('force', '-f', InputOption::VALUE_NONE, 'Writes the files in place and skips PHP version check.');
+            ->addOption('force', '-f', InputOption::VALUE_NONE, 'Writes the files in place and skips PHP version check.')
+            ->addArgument('class', InputArgument::OPTIONAL, 'A fully qualified class name.');
     }
 
     /**
@@ -101,6 +103,10 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 
         $prettyPrinter = new Standard();
         foreach ($this->resourceNameCollectionFactory->create() as $resourceClass) {
+            if ($input->getArgument('class') && $input->getArgument('class') !== $resourceClass) {
+                continue;
+            }
+
             try {
                 $resourceMetadata = $this->resourceMetadataFactory->create($resourceClass);
             } catch (ResourceClassNotFoundException $e) {

tests/Core/Bridge/Symfony/Bundle/Command/UpgradeApiResourceCommandTest.php

@@ -78,6 +78,32 @@ public function testDebugResource(string $entityClass, array $subresourceOperati
         $this->assertStringNotContainsString('+private function nothingToDo() : void', $display);
     }
 
+    /**
+     * @requires PHP 8.1
+     *
+     * @dataProvider debugResourceProvider
+     */
+    public function testTargetSingleResource(string $entityClass, array $subresourceOperationFactoryReturn, array $expectedStrings): void
+    {
+        $resourceNameCollectionFactoryProphecy = $this->prophesize(ResourceNameCollectionFactoryInterface::class);
+        $resourceNameCollectionFactoryProphecy->create()->willReturn(new ResourceNameCollection([$entityClass]));
+        $resourceMetadataFactoryProphecy = $this->prophesize(ResourceMetadataFactoryInterface::class);
+        $resourceMetadataFactoryProphecy->create($entityClass)->willReturn(new ResourceMetadata());
+        $subresourceOperationFactoryProphecy = $this->prophesize(SubresourceOperationFactoryInterface::class);
+        $subresourceOperationFactoryProphecy->create($entityClass)->willReturn($subresourceOperationFactoryReturn);
+
+        $commandTester = $this->getCommandTester($resourceNameCollectionFactoryProphecy->reveal(), $resourceMetadataFactoryProphecy->reveal(), $subresourceOperationFactoryProphecy->reveal());
+        $commandTester->execute(['class' => 'ApiPlatform\\Tests\\Fixtures\\TestBundle\\Entity\\DummyToUpgradeWithOnlyAttribute']);
+
+        $display = $commandTester->getDisplay();
+
+        if ($entityClass !== DummyToUpgradeWithOnlyAttribute::class) {
+            $this->assertEmpty($display);
+        } else {
+            $this->assertStringContainsString('begin diff', $display);
+        }
+    }
+
     public function debugResourceProvider(): array
     {
         $entityClasses = [