[DowngradePhp80] Handle both DowngradeTypedPropertyRector and DowngradeMixedTypeDeclarationRector Name parameter (#591)

* Demonstrate issue with DowngradeMixedTypeDeclarationRector

* Closes #590 Fixes https://github.com/rectorphp/rector/issues/6611

* final touch: better check as already FullyQualified no need convert

* final touch: clean up

Co-authored-by: Brandon Olivares <programmer2188@gmail.com>

packages/StaticTypeMapper/Mapper/PhpParserNodeMapper.php

@@ -6,9 +6,12 @@ namespace Rector\StaticTypeMapper\Mapper;
 
 use PhpParser\Node;
 use PhpParser\Node\Expr;
+use PhpParser\Node\Name;
+use PhpParser\Node\Name\FullyQualified;
 use PhpParser\Node\Scalar\String_;
 use PHPStan\Type\Type;
 use Rector\Core\Exception\NotImplementedYetException;
+use Rector\NodeTypeResolver\Node\AttributeKey;
 use Rector\StaticTypeMapper\Contract\PhpParser\PhpParserNodeMapperInterface;
 
 final class PhpParserNodeMapper
@@ -23,6 +26,10 @@ final class PhpParserNodeMapper
 
     public function mapToPHPStanType(Node $node): Type
     {
+        if ($node::class === Name::class && $node->hasAttribute(AttributeKey::NAMESPACED_NAME)) {
+            $node = new FullyQualified($node->getAttribute(AttributeKey::NAMESPACED_NAME));
+        }
+
         foreach ($this->phpParserNodeMappers as $phpParserNodeMapper) {
             if (! is_a($node, $phpParserNodeMapper->getNodeType())) {
                 continue;

tests/Issues/IssueDowngradeMixedType/DowngradeMixedTypeTest.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Core\Tests\Issues\IssueDowngradeMixedType;
+
+use Iterator;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+use Symplify\SmartFileSystem\SmartFileInfo;
+
+final class DowngradeMixedTypeTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(SmartFileInfo $fileInfo): void
+    {
+        $this->doTestFileInfo($fileInfo);
+    }
+
+    /**
+     * @return Iterator<SmartFileInfo>
+     */
+    public function provideData(): Iterator
+    {
+        return $this->yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}

tests/Issues/IssueDowngradeMixedType/Fixture/fixture.php.inc

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Core\Tests\Issues\IssueDowngradeMixedType\Fixture;
+
+use Rector\Core\Tests\Issues\IssueDowngradeMixedType\Source\SomeClass;
+
+class AnotherClass
+{
+    private SomeClass $foo;
+
+    public function bar(SomeClass $baz)
+    {
+    }
+}
+
+?>
+-----
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Core\Tests\Issues\IssueDowngradeMixedType\Fixture;
+
+use Rector\Core\Tests\Issues\IssueDowngradeMixedType\Source\SomeClass;
+
+class AnotherClass
+{
+    /**
+     * @var SomeClass
+     */
+    private $foo;
+
+    public function bar(SomeClass $baz)
+    {
+    }
+}
+
+?>

tests/Issues/IssueDowngradeMixedType/Source/SomeClass.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Core\Tests\Issues\IssueDowngradeMixedType\Source;
+
+class SomeClass
+{
+}

tests/Issues/IssueDowngradeMixedType/config/configured_rule.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Core\Configuration\Option;
+use Rector\DowngradePhp74\Rector\Property\DowngradeTypedPropertyRector;
+use Rector\DowngradePhp80\Rector\FunctionLike\DowngradeMixedTypeDeclarationRector;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+
+return static function (ContainerConfigurator $containerConfigurator): void {
+    $parameters = $containerConfigurator->parameters();
+    $parameters->set(Option::AUTO_IMPORT_NAMES, true);
+
+    $services = $containerConfigurator->services();
+    $services->set(DowngradeTypedPropertyRector::class);
+    $services->set(DowngradeMixedTypeDeclarationRector::class);
+};