[Testing] Add test for source locator after a Rector test

Author: GErpeldinger

tests/Testing/ResetSourceLocator/Fixture/some_function.php.inc

@@ -0,0 +1,19 @@
+<?php
+
+namespace Rector\Tests\Testing\ResetSourceLocator\Fixture;
+
+function some_function()
+{
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\Testing\ResetSourceLocator\Fixture;
+
+function some_function(): void
+{
+}
+
+?>

tests/Testing/ResetSourceLocator/ResetSourceLocatorTest.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\Testing\ResetSourceLocator;
+
+use PHPUnit\Framework\Attributes\Depends;
+use Rector\NodeTypeResolver\Reflection\BetterReflection\SourceLocatorProvider\DynamicSourceLocatorProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class ResetSourceLocatorTest extends AbstractRectorTestCase
+{
+    public function testProcessFixture(): void
+    {
+        $this->doTestFile(__DIR__ . '/Fixture/some_function.php.inc');
+    }
+
+    #[Depends('testProcessFixture')]
+    public function testNextTestDoesNotLocateDeletedInputFile(): void
+    {
+        $dynamicSourceLocatorProvider = $this->make(DynamicSourceLocatorProvider::class);
+
+        $this->assertTrue($dynamicSourceLocatorProvider->arePathsEmpty());
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}

tests/Testing/ResetSourceLocator/config/configured_rule.php

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+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\TypeDeclaration\Rector\Function_\AddFunctionVoidReturnTypeWhereNoReturnRector;
+
+return RectorConfig::configure()
+    ->withRules([AddFunctionVoidReturnTypeWhereNoReturnRector::class]);