RemoveNeverUsedMockPropertyRector

Find another rule

Remove never used property mock, only to set expectations

 use PHPUnit\Framework\TestCase;

 final class SomeTest extends TestCase
 {
-    private $mockProperty = null;
-
     protected function setUp(): void
     {
-        $this->mockProperty = $this->createMock(SomeClass::class);
-
-        $this->mockProperty->expects($this->once())
-            ->method('someMethod')
-            ->willReturn('someValue');
     }
 }

Configure your rector.php:

<?php

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

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

SETS: Code Quality