Rector\PHPUnit\CodeQuality\Rector\Class_\NarrowUnusedSetUpDefinedPropertyRector

NarrowUnusedSetUpDefinedPropertyRector

Turn property used only in setUp() to variable

 use PHPUnit\Framework\TestCase;

 class SomeServiceTest extends TestCase
 {
-    private $someServiceMock;
-
     public function setUp(): void
     {
-        $this->someServiceMock = $this->createMock(SomeService::class);
+        $someServiceMock = $this->createMock(SomeService::class);
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\PHPUnit\CodeQuality\Rector\Class_\NarrowUnusedSetUpDefinedPropertyRector;

return RectorConfig::configure()
    ->withRules([
        NarrowUnusedSetUpDefinedPropertyRector::class,
    ]);

SETS: Code Quality